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content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Autoloader~20171216-130154.php

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+<?php
+namespace Dompdf;
+
+/**
+ * Autoloads Dompdf classes
+ *
+ * @package Dompdf
+ */
+class Autoloader
+{
+    const PREFIX = 'Dompdf';
+
+    /**
+     * Register the autoloader
+     */
+    public static function register()
+    {
+        spl_autoload_register(array(new self, 'autoload'));
+    }
+
+    /**
+     * Autoloader
+     *
+     * @param string
+     */
+    public static function autoload($class)
+    {
+        if ($class === 'Cpdf') {
+            require_once __DIR__ . "/../lib/Cpdf.php";
+            return;
+        }
+
+        $prefixLength = strlen(self::PREFIX);
+        if (0 === strncmp(self::PREFIX, $class, $prefixLength)) {
+            $file = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, $prefixLength));
+            $file = realpath(__DIR__ . (empty($file) ? '' : DIRECTORY_SEPARATOR) . $file . '.php');
+            if (file_exists($file)) {
+                require_once $file;
+            }
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/CanvasFactory~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+/**
+ * Create canvas instances
+ *
+ * The canvas factory creates canvas instances based on the
+ * availability of rendering backends and config options.
+ *
+ * @package dompdf
+ */
+class CanvasFactory
+{
+    /**
+     * Constructor is private: this is a static class
+     */
+    private function __construct()
+    {
+    }
+
+    /**
+     * @param Dompdf $dompdf
+     * @param string|array $paper
+     * @param string $orientation
+     * @param string $class
+     *
+     * @return Canvas
+     */
+    static function get_instance(Dompdf $dompdf, $paper = null, $orientation = null, $class = null)
+    {
+        $backend = strtolower($dompdf->getOptions()->getPdfBackend());
+
+        if (isset($class) && class_exists($class, false)) {
+            $class .= "_Adapter";
+        } else {
+            if (($backend === "auto" || $backend === "pdflib") &&
+                class_exists("PDFLib", false)
+            ) {
+                $class = "Dompdf\\Adapter\\PDFLib";
+            }
+
+            else {
+                if ($backend === "gd") {
+                    $class = "Dompdf\\Adapter\\GD";
+                } else {
+                    $class = "Dompdf\\Adapter\\CPDF";
+                }
+            }
+        }
+
+        return new $class($paper, $orientation, $dompdf);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Canvas~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf;
+
+/**
+ * Main rendering interface
+ *
+ * Currently {@link Dompdf\Adapter\CPDF}, {@link Dompdf\Adapter\PDFLib}, and {@link Dompdf\Adapter\GD}
+ * implement this interface.
+ *
+ * Implementations should measure x and y increasing to the left and down,
+ * respectively, with the origin in the top left corner.  Implementations
+ * are free to use a unit other than points for length, but I can't
+ * guarantee that the results will look any good.
+ *
+ * @package dompdf
+ */
+interface Canvas
+{
+    function __construct($paper = "letter", $orientation = "portrait", Dompdf $dompdf);
+
+    /**
+     * @return Dompdf
+     */
+    function get_dompdf();
+
+    /**
+     * Returns the current page number
+     *
+     * @return int
+     */
+    function get_page_number();
+
+    /**
+     * Returns the total number of pages
+     *
+     * @return int
+     */
+    function get_page_count();
+
+    /**
+     * Sets the total number of pages
+     *
+     * @param int $count
+     */
+    function set_page_count($count);
+
+    /**
+     * Draws a line from x1,y1 to x2,y2
+     *
+     * See {@link Style::munge_color()} for the format of the color array.
+     * See {@link Cpdf::setLineStyle()} for a description of the format of the
+     * $style parameter (aka dash).
+     *
+     * @param float $x1
+     * @param float $y1
+     * @param float $x2
+     * @param float $y2
+     * @param array $color
+     * @param float $width
+     * @param array $style
+     */
+    function line($x1, $y1, $x2, $y2, $color, $width, $style = null);
+
+    /**
+     * Draws a rectangle at x1,y1 with width w and height h
+     *
+     * See {@link Style::munge_color()} for the format of the color array.
+     * See {@link Cpdf::setLineStyle()} for a description of the $style
+     * parameter (aka dash)
+     *
+     * @param float $x1
+     * @param float $y1
+     * @param float $w
+     * @param float $h
+     * @param array $color
+     * @param float $width
+     * @param array $style
+     */
+    function rectangle($x1, $y1, $w, $h, $color, $width, $style = null);
+
+    /**
+     * Draws a filled rectangle at x1,y1 with width w and height h
+     *
+     * See {@link Style::munge_color()} for the format of the color array.
+     *
+     * @param float $x1
+     * @param float $y1
+     * @param float $w
+     * @param float $h
+     * @param array $color
+     */
+    function filled_rectangle($x1, $y1, $w, $h, $color);
+
+    /**
+     * Starts a clipping rectangle at x1,y1 with width w and height h
+     *
+     * @param float $x1
+     * @param float $y1
+     * @param float $w
+     * @param float $h
+     */
+    function clipping_rectangle($x1, $y1, $w, $h);
+
+    /**
+     * Starts a rounded clipping rectangle at x1,y1 with width w and height h
+     *
+     * @param float $x1
+     * @param float $y1
+     * @param float $w
+     * @param float $h
+     * @param float $tl
+     * @param float $tr
+     * @param float $br
+     * @param float $bl
+     *
+     * @return
+     */
+    function clipping_roundrectangle($x1, $y1, $w, $h, $tl, $tr, $br, $bl);
+
+    /**
+     * Ends the last clipping shape
+     */
+    function clipping_end();
+
+    /**
+     * Save current state
+     */
+    function save();
+
+    /**
+     * Restore last state
+     */
+    function restore();
+
+    /**
+     * Rotate
+     *
+     * @param float $angle angle in degrees for counter-clockwise rotation
+     * @param float $x     Origin abscissa
+     * @param float $y     Origin ordinate
+     */
+    function rotate($angle, $x, $y);
+
+    /**
+     * Skew
+     *
+     * @param float $angle_x
+     * @param float $angle_y
+     * @param float $x Origin abscissa
+     * @param float $y Origin ordinate
+     */
+    function skew($angle_x, $angle_y, $x, $y);
+
+    /**
+     * Scale
+     *
+     * @param float $s_x scaling factor for width as percent
+     * @param float $s_y scaling factor for height as percent
+     * @param float $x   Origin abscissa
+     * @param float $y   Origin ordinate
+     */
+    function scale($s_x, $s_y, $x, $y);
+
+    /**
+     * Translate
+     *
+     * @param float $t_x movement to the right
+     * @param float $t_y movement to the bottom
+     */
+    function translate($t_x, $t_y);
+
+    /**
+     * Transform
+     *
+     * @param $a
+     * @param $b
+     * @param $c
+     * @param $d
+     * @param $e
+     * @param $f
+     * @return
+     */
+    function transform($a, $b, $c, $d, $e, $f);
+
+    /**
+     * Draws a polygon
+     *
+     * The polygon is formed by joining all the points stored in the $points
+     * array.  $points has the following structure:
+     * <code>
+     * array(0 => x1,
+     *       1 => y1,
+     *       2 => x2,
+     *       3 => y2,
+     *       ...
+     *       );
+     * </code>
+     *
+     * See {@link Style::munge_color()} for the format of the color array.
+     * See {@link Cpdf::setLineStyle()} for a description of the $style
+     * parameter (aka dash)
+     *
+     * @param array $points
+     * @param array $color
+     * @param float $width
+     * @param array $style
+     * @param bool $fill Fills the polygon if true
+     */
+    function polygon($points, $color, $width = null, $style = null, $fill = false);
+
+    /**
+     * Draws a circle at $x,$y with radius $r
+     *
+     * See {@link Style::munge_color()} for the format of the color array.
+     * See {@link Cpdf::setLineStyle()} for a description of the $style
+     * parameter (aka dash)
+     *
+     * @param float $x
+     * @param float $y
+     * @param float $r
+     * @param array $color
+     * @param float $width
+     * @param array $style
+     * @param bool $fill Fills the circle if true
+     */
+    function circle($x, $y, $r, $color, $width = null, $style = null, $fill = false);
+
+    /**
+     * Add an image to the pdf.
+     *
+     * The image is placed at the specified x and y coordinates with the
+     * given width and height.
+     *
+     * @param string $img_url the path to the image
+     * @param float $x x position
+     * @param float $y y position
+     * @param int $w width (in pixels)
+     * @param int $h height (in pixels)
+     * @param string $resolution The resolution of the image
+     */
+    function image($img_url, $x, $y, $w, $h, $resolution = "normal");
+
+    /**
+     * Add an arc to the PDF
+     * See {@link Style::munge_color()} for the format of the color array.
+     *
+     * @param float $x X coordinate of the arc
+     * @param float $y Y coordinate of the arc
+     * @param float $r1 Radius 1
+     * @param float $r2 Radius 2
+     * @param float $astart Start angle in degrees
+     * @param float $aend End angle in degrees
+     * @param array $color Color
+     * @param float $width
+     * @param array $style
+     */
+    function arc($x, $y, $r1, $r2, $astart, $aend, $color, $width, $style = array());
+
+    /**
+     * Writes text at the specified x and y coordinates
+     * See {@link Style::munge_color()} for the format of the color array.
+     *
+     * @param float $x
+     * @param float $y
+     * @param string $text the text to write
+     * @param string $font the font file to use
+     * @param float $size the font size, in points
+     * @param array $color
+     * @param float $word_space word spacing adjustment
+     * @param float $char_space char spacing adjustment
+     * @param float $angle angle
+     */
+    function text($x, $y, $text, $font, $size, $color = array(0, 0, 0), $word_space = 0.0, $char_space = 0.0, $angle = 0.0);
+
+    /**
+     * Add a named destination (similar to <a name="foo">...</a> in html)
+     *
+     * @param string $anchorname The name of the named destination
+     */
+    function add_named_dest($anchorname);
+
+    /**
+     * Add a link to the pdf
+     *
+     * @param string $url The url to link to
+     * @param float $x The x position of the link
+     * @param float $y The y position of the link
+     * @param float $width The width of the link
+     * @param float $height The height of the link
+     */
+    function add_link($url, $x, $y, $width, $height);
+
+    /**
+     * Add meta information to the pdf
+     *
+     * @param string $name Label of the value (Creator, Producer, etc.)
+     * @param string $value The text to set
+     */
+    function add_info($name, $value);
+
+    /**
+     * Calculates text size, in points
+     *
+     * @param string $text the text to be sized
+     * @param string $font the desired font
+     * @param float $size the desired font size
+     * @param float $word_spacing word spacing, if any
+     * @param float $char_spacing
+     *
+     * @return float
+     */
+    function get_text_width($text, $font, $size, $word_spacing = 0.0, $char_spacing = 0.0);
+
+    /**
+     * Calculates font height, in points
+     *
+     * @param string $font
+     * @param float $size
+     *
+     * @return float
+     */
+    function get_font_height($font, $size);
+
+    /**
+     * Calculates font baseline, in points
+     *
+     * @param string $font
+     * @param float $size
+     *
+     * @return float
+     */
+    function get_font_baseline($font, $size);
+
+    /**
+     * Returns the PDF's width in points
+     *
+     * @return float
+     */
+    function get_width();
+
+
+    /**
+     * Return the image's height in pixels
+     *
+     * @return float
+     */
+    function get_height();
+
+    /**
+     * Returns the font x-height, in points
+     *
+     * @param string $font
+     * @param float $size
+     *
+     * @return float
+     */
+    //function get_font_x_height($font, $size);
+
+    /**
+     * Sets the opacity
+     *
+     * @param float $opacity
+     * @param string $mode
+     */
+    function set_opacity($opacity, $mode = "Normal");
+
+    /**
+     * Sets the default view
+     *
+     * @param string $view
+     * 'XYZ'  left, top, zoom
+     * 'Fit'
+     * 'FitH' top
+     * 'FitV' left
+     * 'FitR' left,bottom,right
+     * 'FitB'
+     * 'FitBH' top
+     * 'FitBV' left
+     * @param array $options
+     *
+     * @return void
+     */
+    function set_default_view($view, $options = array());
+
+    /**
+     * @param string $script
+     *
+     * @return void
+     */
+    function javascript($script);
+
+    /**
+     * Starts a new page
+     *
+     * Subsequent drawing operations will appear on the new page.
+     */
+    function new_page();
+
+    /**
+     * Streams the PDF directly to the browser
+     *
+     * @param string $filename the name of the PDF file
+     * @param array $options associative array, 'Attachment' => 0 or 1, 'compress' => 1 or 0
+     */
+    function stream($filename, $options = null);
+
+    /**
+     * Returns the PDF as a string
+     *
+     * @param array $options associative array: 'compress' => 1 or 0
+     * @return string
+     */
+    function output($options = null);
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Cellmap~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+use Dompdf\Exception;
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Table as TableFrameDecorator;
+use Dompdf\FrameDecorator\TableCell as TableCellFrameDecorator;
+
+/**
+ * Maps table cells to the table grid.
+ *
+ * This class resolves borders in tables with collapsed borders and helps
+ * place row & column spanned table cells.
+ *
+ * @package dompdf
+ */
+class Cellmap
+{
+    /**
+     * Border style weight lookup for collapsed border resolution.
+     *
+     * @var array
+     */
+    protected static $_BORDER_STYLE_SCORE = array(
+        "inset"  => 1,
+        "groove" => 2,
+        "outset" => 3,
+        "ridge"  => 4,
+        "dotted" => 5,
+        "dashed" => 6,
+        "solid"  => 7,
+        "double" => 8,
+        "hidden" => 9,
+        "none"   => 0,
+    );
+
+    /**
+     * The table object this cellmap is attached to.
+     *
+     * @var TableFrameDecorator
+     */
+    protected $_table;
+
+    /**
+     * The total number of rows in the table
+     *
+     * @var int
+     */
+    protected $_num_rows;
+
+    /**
+     * The total number of columns in the table
+     *
+     * @var int
+     */
+    protected $_num_cols;
+
+    /**
+     * 2D array mapping <row,column> to frames
+     *
+     * @var Frame[][]
+     */
+    protected $_cells;
+
+    /**
+     * 1D array of column dimensions
+     *
+     * @var array
+     */
+    protected $_columns;
+
+    /**
+     * 1D array of row dimensions
+     *
+     * @var array
+     */
+    protected $_rows;
+
+    /**
+     * 2D array of border specs
+     *
+     * @var array
+     */
+    protected $_borders;
+
+    /**
+     * 1D Array mapping frames to (multiple) <row, col> pairs, keyed on frame_id.
+     *
+     * @var Frame[]
+     */
+    protected $_frames;
+
+    /**
+     * Current column when adding cells, 0-based
+     *
+     * @var int
+     */
+    private $__col;
+
+    /**
+     * Current row when adding cells, 0-based
+     *
+     * @var int
+     */
+    private $__row;
+
+    /**
+     * Tells wether the columns' width can be modified
+     *
+     * @var bool
+     */
+    private $_columns_locked = false;
+
+    /**
+     * Tells wether the table has table-layout:fixed
+     *
+     * @var bool
+     */
+    private $_fixed_layout = false;
+
+    /**
+     * @param TableFrameDecorator $table
+     */
+    public function __construct(TableFrameDecorator $table)
+    {
+        $this->_table = $table;
+        $this->reset();
+    }
+
+    /**
+     *
+     */
+    public function reset()
+    {
+        $this->_num_rows = 0;
+        $this->_num_cols = 0;
+
+        $this->_cells = array();
+        $this->_frames = array();
+
+        if (!$this->_columns_locked) {
+            $this->_columns = array();
+        }
+
+        $this->_rows = array();
+
+        $this->_borders = array();
+
+        $this->__col = $this->__row = 0;
+    }
+
+    /**
+     *
+     */
+    public function lock_columns()
+    {
+        $this->_columns_locked = true;
+    }
+
+    /**
+     * @return bool
+     */
+    public function is_columns_locked()
+    {
+        return $this->_columns_locked;
+    }
+
+    /**
+     * @param $fixed
+     */
+    public function set_layout_fixed($fixed)
+    {
+        $this->_fixed_layout = $fixed;
+    }
+
+    /**
+     * @return bool
+     */
+    public function is_layout_fixed()
+    {
+        return $this->_fixed_layout;
+    }
+
+    /**
+     * @return int
+     */
+    public function get_num_rows()
+    {
+        return $this->_num_rows;
+    }
+
+    /**
+     * @return int
+     */
+    public function get_num_cols()
+    {
+        return $this->_num_cols;
+    }
+
+    /**
+     * @return array
+     */
+    public function &get_columns()
+    {
+        return $this->_columns;
+    }
+
+    /**
+     * @param $columns
+     */
+    public function set_columns($columns)
+    {
+        $this->_columns = $columns;
+    }
+
+    /**
+     * @param int $i
+     *
+     * @return mixed
+     */
+    public function &get_column($i)
+    {
+        if (!isset($this->_columns[$i])) {
+            $this->_columns[$i] = array(
+                "x"          => 0,
+                "min-width"  => 0,
+                "max-width"  => 0,
+                "used-width" => null,
+                "absolute"   => 0,
+                "percent"    => 0,
+                "auto"       => true,
+            );
+        }
+
+        return $this->_columns[$i];
+    }
+
+    /**
+     * @return array
+     */
+    public function &get_rows()
+    {
+        return $this->_rows;
+    }
+
+    /**
+     * @param int $j
+     *
+     * @return mixed
+     */
+    public function &get_row($j)
+    {
+        if (!isset($this->_rows[$j])) {
+            $this->_rows[$j] = array(
+                "y"            => 0,
+                "first-column" => 0,
+                "height"       => null,
+            );
+        }
+
+        return $this->_rows[$j];
+    }
+
+    /**
+     * @param int $i
+     * @param int $j
+     * @param mixed $h_v
+     * @param null|mixed $prop
+     *
+     * @return mixed
+     */
+    public function get_border($i, $j, $h_v, $prop = null)
+    {
+        if (!isset($this->_borders[$i][$j][$h_v])) {
+            $this->_borders[$i][$j][$h_v] = array(
+                "width" => 0,
+                "style" => "solid",
+                "color" => "black",
+            );
+        }
+
+        if (isset($prop)) {
+            return $this->_borders[$i][$j][$h_v][$prop];
+        }
+
+        return $this->_borders[$i][$j][$h_v];
+    }
+
+    /**
+     * @param int $i
+     * @param int $j
+     *
+     * @return array
+     */
+    public function get_border_properties($i, $j)
+    {
+        return array(
+            "top"    => $this->get_border($i, $j, "horizontal"),
+            "right"  => $this->get_border($i, $j + 1, "vertical"),
+            "bottom" => $this->get_border($i + 1, $j, "horizontal"),
+            "left"   => $this->get_border($i, $j, "vertical"),
+        );
+    }
+
+    /**
+     * @param Frame $frame
+     *
+     * @return null|Frame
+     */
+    public function get_spanned_cells(Frame $frame)
+    {
+        $key = $frame->get_id();
+
+        if (isset($this->_frames[$key])) {
+            return $this->_frames[$key];
+        }
+
+        return null;
+    }
+
+    /**
+     * @param Frame $frame
+     *
+     * @return bool
+     */
+    public function frame_exists_in_cellmap(Frame $frame)
+    {
+        $key = $frame->get_id();
+
+        return isset($this->_frames[$key]);
+    }
+
+    /**
+     * @param Frame $frame
+     *
+     * @return array
+     * @throws Exception
+     */
+    public function get_frame_position(Frame $frame)
+    {
+        global $_dompdf_warnings;
+
+        $key = $frame->get_id();
+
+        if (!isset($this->_frames[$key])) {
+            throw new Exception("Frame not found in cellmap");
+        }
+
+        $col = $this->_frames[$key]["columns"][0];
+        $row = $this->_frames[$key]["rows"][0];
+
+        if (!isset($this->_columns[$col])) {
+            $_dompdf_warnings[] = "Frame not found in columns array.  Check your table layout for missing or extra TDs.";
+            $x = 0;
+        } else {
+            $x = $this->_columns[$col]["x"];
+        }
+
+        if (!isset($this->_rows[$row])) {
+            $_dompdf_warnings[] = "Frame not found in row array.  Check your table layout for missing or extra TDs.";
+            $y = 0;
+        } else {
+            $y = $this->_rows[$row]["y"];
+        }
+
+        return array($x, $y, "x" => $x, "y" => $y);
+    }
+
+    /**
+     * @param Frame $frame
+     *
+     * @return int
+     * @throws Exception
+     */
+    public function get_frame_width(Frame $frame)
+    {
+        $key = $frame->get_id();
+
+        if (!isset($this->_frames[$key])) {
+            throw new Exception("Frame not found in cellmap");
+        }
+
+        $cols = $this->_frames[$key]["columns"];
+        $w = 0;
+        foreach ($cols as $i) {
+            $w += $this->_columns[$i]["used-width"];
+        }
+
+        return $w;
+    }
+
+    /**
+     * @param Frame $frame
+     *
+     * @return int
+     * @throws Exception
+     * @throws Exception
+     */
+    public function get_frame_height(Frame $frame)
+    {
+        $key = $frame->get_id();
+
+        if (!isset($this->_frames[$key])) {
+            throw new Exception("Frame not found in cellmap");
+        }
+
+        $rows = $this->_frames[$key]["rows"];
+        $h = 0;
+        foreach ($rows as $i) {
+            if (!isset($this->_rows[$i])) {
+                throw new Exception("The row #$i could not be found, please file an issue in the tracker with the HTML code");
+            }
+
+            $h += $this->_rows[$i]["height"];
+        }
+
+        return $h;
+    }
+
+    /**
+     * @param int $j
+     * @param mixed $width
+     */
+    public function set_column_width($j, $width)
+    {
+        if ($this->_columns_locked) {
+            return;
+        }
+
+        $col =& $this->get_column($j);
+        $col["used-width"] = $width;
+        $next_col =& $this->get_column($j + 1);
+        $next_col["x"] = $next_col["x"] + $width;
+    }
+
+    /**
+     * @param int $i
+     * @param mixed $height
+     */
+    public function set_row_height($i, $height)
+    {
+        $row =& $this->get_row($i);
+
+        if ($row["height"] !== null && $height <= $row["height"]) {
+            return;
+        }
+
+        $row["height"] = $height;
+        $next_row =& $this->get_row($i + 1);
+        $next_row["y"] = $row["y"] + $height;
+
+    }
+
+    /**
+     * @param int $i
+     * @param int $j
+     * @param mixed $h_v
+     * @param mixed $border_spec
+     *
+     * @return mixed
+     */
+    protected function _resolve_border($i, $j, $h_v, $border_spec)
+    {
+        $n_width = $border_spec["width"];
+        $n_style = $border_spec["style"];
+
+        if (!isset($this->_borders[$i][$j][$h_v])) {
+            $this->_borders[$i][$j][$h_v] = $border_spec;
+
+            return $this->_borders[$i][$j][$h_v]["width"];
+        }
+
+        $border = & $this->_borders[$i][$j][$h_v];
+
+        $o_width = $border["width"];
+        $o_style = $border["style"];
+
+        if (($n_style === "hidden" ||
+                $n_width > $o_width ||
+                $o_style === "none")
+
+            or
+
+            ($o_width == $n_width &&
+                in_array($n_style, self::$_BORDER_STYLE_SCORE) &&
+                self::$_BORDER_STYLE_SCORE[$n_style] > self::$_BORDER_STYLE_SCORE[$o_style])
+        ) {
+            $border = $border_spec;
+        }
+
+        return $border["width"];
+    }
+
+    /**
+     * @param Frame $frame
+     */
+    public function add_frame(Frame $frame)
+    {
+        $style = $frame->get_style();
+        $display = $style->display;
+
+        $collapse = $this->_table->get_style()->border_collapse == "collapse";
+
+        // Recursively add the frames within tables, table-row-groups and table-rows
+        if ($display === "table-row" ||
+            $display === "table" ||
+            $display === "inline-table" ||
+            in_array($display, TableFrameDecorator::$ROW_GROUPS)
+        ) {
+
+            $start_row = $this->__row;
+            foreach ($frame->get_children() as $child) {
+                // Ignore all Text frames and :before/:after pseudo-selector elements.
+                if (!($child instanceof FrameDecorator\Text) && $child->get_node()->nodeName !== 'dompdf_generated') {
+                    $this->add_frame($child);
+                }
+            }
+
+            if ($display === "table-row") {
+                $this->add_row();
+            }
+
+            $num_rows = $this->__row - $start_row - 1;
+            $key = $frame->get_id();
+
+            // Row groups always span across the entire table
+            $this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1));
+            $this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1));
+            $this->_frames[$key]["frame"] = $frame;
+
+            if ($display !== "table-row" && $collapse) {
+
+                $bp = $style->get_border_properties();
+
+                // Resolve the borders
+                for ($i = 0; $i < $num_rows + 1; $i++) {
+                    $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]);
+                    $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]);
+                }
+
+                for ($j = 0; $j < $this->_num_cols; $j++) {
+                    $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]);
+                    $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]);
+                }
+            }
+            return;
+        }
+
+        $node = $frame->get_node();
+
+        // Determine where this cell is going
+        $colspan = $node->getAttribute("colspan");
+        $rowspan = $node->getAttribute("rowspan");
+
+        if (!$colspan) {
+            $colspan = 1;
+            $node->setAttribute("colspan", 1);
+        }
+
+        if (!$rowspan) {
+            $rowspan = 1;
+            $node->setAttribute("rowspan", 1);
+        }
+        $key = $frame->get_id();
+
+        $bp = $style->get_border_properties();
+
+
+        // Add the frame to the cellmap
+        $max_left = $max_right = 0;
+
+        // Find the next available column (fix by Ciro Mondueri)
+        $ac = $this->__col;
+        while (isset($this->_cells[$this->__row][$ac])) {
+            $ac++;
+        }
+
+        $this->__col = $ac;
+
+        // Rows:
+        for ($i = 0; $i < $rowspan; $i++) {
+            $row = $this->__row + $i;
+
+            $this->_frames[$key]["rows"][] = $row;
+
+            for ($j = 0; $j < $colspan; $j++) {
+                $this->_cells[$row][$this->__col + $j] = $frame;
+            }
+
+            if ($collapse) {
+                // Resolve vertical borders
+                $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"]));
+                $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"]));
+            }
+        }
+
+        $max_top = $max_bottom = 0;
+
+        // Columns:
+        for ($j = 0; $j < $colspan; $j++) {
+            $col = $this->__col + $j;
+            $this->_frames[$key]["columns"][] = $col;
+
+            if ($collapse) {
+                // Resolve horizontal borders
+                $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"]));
+                $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"]));
+            }
+        }
+
+        $this->_frames[$key]["frame"] = $frame;
+
+        // Handle seperated border model
+        if (!$collapse) {
+            list($h, $v) = $this->_table->get_style()->border_spacing;
+
+            // Border spacing is effectively a margin between cells
+            $v = $style->length_in_pt($v);
+            if (is_numeric($v)) {
+                $v = $v / 2;
+            }
+            $h = $style->length_in_pt($h);
+            if (is_numeric($h)) {
+                $h = $h / 2;
+            }
+            $style->margin = "$v $h";
+
+            // The additional 1/2 width gets added to the table proper
+        } else {
+            // Drop the frame's actual border
+            $style->border_left_width = $max_left / 2;
+            $style->border_right_width = $max_right / 2;
+            $style->border_top_width = $max_top / 2;
+            $style->border_bottom_width = $max_bottom / 2;
+            $style->margin = "none";
+        }
+
+        if (!$this->_columns_locked) {
+            // Resolve the frame's width
+            if ($this->_fixed_layout) {
+                list($frame_min, $frame_max) = array(0, 10e-10);
+            } else {
+                list($frame_min, $frame_max) = $frame->get_min_max_width();
+            }
+
+            $width = $style->width;
+
+            $val = null;
+            if (Helpers::is_percent($width)) {
+                $var = "percent";
+                $val = (float)rtrim($width, "% ") / $colspan;
+            } else if ($width !== "auto") {
+                $var = "absolute";
+                $val = $style->length_in_pt($frame_min) / $colspan;
+            }
+
+            $min = 0;
+            $max = 0;
+            for ($cs = 0; $cs < $colspan; $cs++) {
+
+                // Resolve the frame's width(s) with other cells
+                $col =& $this->get_column($this->__col + $cs);
+
+                // Note: $var is either 'percent' or 'absolute'.  We compare the
+                // requested percentage or absolute values with the existing widths
+                // and adjust accordingly.
+                if (isset($var) && $val > $col[$var]) {
+                    $col[$var] = $val;
+                    $col["auto"] = false;
+                }
+
+                $min += $col["min-width"];
+                $max += $col["max-width"];
+            }
+
+            if ($frame_min > $min) {
+                // The frame needs more space.  Expand each sub-column
+                // FIXME try to avoid putting this dummy value when table-layout:fixed
+                $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_min - $min) / $colspan);
+                for ($c = 0; $c < $colspan; $c++) {
+                    $col =& $this->get_column($this->__col + $c);
+                    $col["min-width"] += $inc;
+                }
+            }
+
+            if ($frame_max > $max) {
+                // FIXME try to avoid putting this dummy value when table-layout:fixed
+                $inc = ($this->is_layout_fixed() ? 10e-10 : ($frame_max - $max) / $colspan);
+                for ($c = 0; $c < $colspan; $c++) {
+                    $col =& $this->get_column($this->__col + $c);
+                    $col["max-width"] += $inc;
+                }
+            }
+        }
+
+        $this->__col += $colspan;
+        if ($this->__col > $this->_num_cols) {
+            $this->_num_cols = $this->__col;
+        }
+    }
+
+    /**
+     *
+     */
+    public function add_row()
+    {
+        $this->__row++;
+        $this->_num_rows++;
+
+        // Find the next available column
+        $i = 0;
+        while (isset($this->_cells[$this->__row][$i])) {
+            $i++;
+        }
+
+        $this->__col = $i;
+    }
+
+    /**
+     * Remove a row from the cellmap.
+     *
+     * @param Frame
+     */
+    public function remove_row(Frame $row)
+    {
+        $key = $row->get_id();
+        if (!isset($this->_frames[$key])) {
+            return; // Presumably this row has alredy been removed
+        }
+
+        $this->__row = $this->_num_rows--;
+
+        $rows = $this->_frames[$key]["rows"];
+        $columns = $this->_frames[$key]["columns"];
+
+        // Remove all frames from this row
+        foreach ($rows as $r) {
+            foreach ($columns as $c) {
+                if (isset($this->_cells[$r][$c])) {
+                    $id = $this->_cells[$r][$c]->get_id();
+
+                    $this->_cells[$r][$c] = null;
+                    unset($this->_cells[$r][$c]);
+                    
+                    // has multiple rows?
+                    if (isset($this->_frames[$id]) && count($this->_frames[$id]["rows"]) > 1) {
+                        // remove just the desired row, but leave the frame
+                        if (($row_key = array_search($r, $this->_frames[$id]["rows"])) !== false) {
+                            unset($this->_frames[$id]["rows"][$row_key]);
+                        }
+                        continue;
+                    }
+
+                    $this->_frames[$id] = null;
+                    unset($this->_frames[$id]);
+                }
+            }
+
+            $this->_rows[$r] = null;
+            unset($this->_rows[$r]);
+        }
+
+        $this->_frames[$key] = null;
+        unset($this->_frames[$key]);
+    }
+
+    /**
+     * Remove a row group from the cellmap.
+     *
+     * @param Frame $group The group to remove
+     */
+    public function remove_row_group(Frame $group)
+    {
+        $key = $group->get_id();
+        if (!isset($this->_frames[$key])) {
+            return; // Presumably this row has alredy been removed
+        }
+
+        $iter = $group->get_first_child();
+        while ($iter) {
+            $this->remove_row($iter);
+            $iter = $iter->get_next_sibling();
+        }
+
+        $this->_frames[$key] = null;
+        unset($this->_frames[$key]);
+    }
+
+    /**
+     * Update a row group after rows have been removed
+     *
+     * @param Frame $group    The group to update
+     * @param Frame $last_row The last row in the row group
+     */
+    public function update_row_group(Frame $group, Frame $last_row)
+    {
+        $g_key = $group->get_id();
+        $r_key = $last_row->get_id();
+
+        $r_rows = $this->_frames[$g_key]["rows"];
+        $this->_frames[$g_key]["rows"] = range($this->_frames[$g_key]["rows"][0], end($r_rows));
+    }
+
+    /**
+     *
+     */
+    public function assign_x_positions()
+    {
+        // Pre-condition: widths must be resolved and assigned to columns and
+        // column[0]["x"] must be set.
+
+        if ($this->_columns_locked) {
+            return;
+        }
+
+        $x = $this->_columns[0]["x"];
+        foreach (array_keys($this->_columns) as $j) {
+            $this->_columns[$j]["x"] = $x;
+            $x += $this->_columns[$j]["used-width"];
+        }
+    }
+
+    /**
+     *
+     */
+    public function assign_frame_heights()
+    {
+        // Pre-condition: widths and heights of each column & row must be
+        // calcluated
+        foreach ($this->_frames as $arr) {
+            $frame = $arr["frame"];
+
+            $h = 0;
+            foreach ($arr["rows"] as $row) {
+                if (!isset($this->_rows[$row])) {
+                    // The row has been removed because of a page split, so skip it.
+                    continue;
+                }
+
+                $h += $this->_rows[$row]["height"];
+            }
+
+            if ($frame instanceof TableCellFrameDecorator) {
+                $frame->set_cell_height($h);
+            } else {
+                $frame->get_style()->height = $h;
+            }
+        }
+    }
+
+    /**
+     * Re-adjust frame height if the table height is larger than its content
+     */
+    public function set_frame_heights($table_height, $content_height)
+    {
+        // Distribute the increased height proportionally amongst each row
+        foreach ($this->_frames as $arr) {
+            $frame = $arr["frame"];
+
+            $h = 0;
+            foreach ($arr["rows"] as $row) {
+                if (!isset($this->_rows[$row])) {
+                    continue;
+                }
+
+                $h += $this->_rows[$row]["height"];
+            }
+
+            if ($content_height > 0) {
+                $new_height = ($h / $content_height) * $table_height;
+            } else {
+                $new_height = 0;
+            }
+
+            if ($frame instanceof TableCellFrameDecorator) {
+                $frame->set_cell_height($new_height);
+            } else {
+                $frame->get_style()->height = $new_height;
+            }
+        }
+    }
+
+    /**
+     * Used for debugging:
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        $str = "";
+        $str .= "Columns:<br/>";
+        $str .= Helpers::pre_r($this->_columns, true);
+        $str .= "Rows:<br/>";
+        $str .= Helpers::pre_r($this->_rows, true);
+
+        $str .= "Frames:<br/>";
+        $arr = array();
+        foreach ($this->_frames as $key => $val) {
+            $arr[$key] = array("columns" => $val["columns"], "rows" => $val["rows"]);
+        }
+
+        $str .= Helpers::pre_r($arr, true);
+
+        if (php_sapi_name() == "cli") {
+            $str = strip_tags(str_replace(array("<br/>", "<b>", "</b>"),
+                array("\n", chr(27) . "[01;33m", chr(27) . "[0m"),
+                $str));
+        }
+
+        return $str;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Css/AttributeTranslator~20171216-130154.php

@@ -0,0 +1,639 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Css;
+
+use Dompdf\Frame;
+
+/**
+ * Translates HTML 4.0 attributes into CSS rules
+ *
+ * @package dompdf
+ */
+class AttributeTranslator
+{
+    static $_style_attr = "_html_style_attribute";
+
+    // Munged data originally from
+    // http://www.w3.org/TR/REC-html40/index/attributes.html
+    // http://www.cs.tut.fi/~jkorpela/html2css.html
+    static private $__ATTRIBUTE_LOOKUP = array(
+        //'caption' => array ( 'align' => '', ),
+        'img' => array(
+            'align' => array(
+                'bottom' => 'vertical-align: baseline;',
+                'middle' => 'vertical-align: middle;',
+                'top' => 'vertical-align: top;',
+                'left' => 'float: left;',
+                'right' => 'float: right;'
+            ),
+            'border' => 'border: %0.2Fpx solid;',
+            'height' => 'height: %spx;',
+            'hspace' => 'padding-left: %1$0.2Fpx; padding-right: %1$0.2Fpx;',
+            'vspace' => 'padding-top: %1$0.2Fpx; padding-bottom: %1$0.2Fpx;',
+            'width' => 'width: %spx;',
+        ),
+        'table' => array(
+            'align' => array(
+                'left' => 'margin-left: 0; margin-right: auto;',
+                'center' => 'margin-left: auto; margin-right: auto;',
+                'right' => 'margin-left: auto; margin-right: 0;'
+            ),
+            'bgcolor' => 'background-color: %s;',
+            'border' => '!set_table_border',
+            'cellpadding' => '!set_table_cellpadding', //'border-spacing: %0.2F; border-collapse: separate;',
+            'cellspacing' => '!set_table_cellspacing',
+            'frame' => array(
+                'void' => 'border-style: none;',
+                'above' => 'border-top-style: solid;',
+                'below' => 'border-bottom-style: solid;',
+                'hsides' => 'border-left-style: solid; border-right-style: solid;',
+                'vsides' => 'border-top-style: solid; border-bottom-style: solid;',
+                'lhs' => 'border-left-style: solid;',
+                'rhs' => 'border-right-style: solid;',
+                'box' => 'border-style: solid;',
+                'border' => 'border-style: solid;'
+            ),
+            'rules' => '!set_table_rules',
+            'width' => 'width: %s;',
+        ),
+        'hr' => array(
+            'align' => '!set_hr_align', // Need to grab width to set 'left' & 'right' correctly
+            'noshade' => 'border-style: solid;',
+            'size' => '!set_hr_size', //'border-width: %0.2F px;',
+            'width' => 'width: %s;',
+        ),
+        'div' => array(
+            'align' => 'text-align: %s;',
+        ),
+        'h1' => array(
+            'align' => 'text-align: %s;',
+        ),
+        'h2' => array(
+            'align' => 'text-align: %s;',
+        ),
+        'h3' => array(
+            'align' => 'text-align: %s;',
+        ),
+        'h4' => array(
+            'align' => 'text-align: %s;',
+        ),
+        'h5' => array(
+            'align' => 'text-align: %s;',
+        ),
+        'h6' => array(
+            'align' => 'text-align: %s;',
+        ),
+        //TODO: translate more form element attributes
+        'input' => array(
+            'size' => '!set_input_width'
+        ),
+        'p' => array(
+            'align' => 'text-align: %s;',
+        ),
+//    'col' => array(
+//      'align'  => '',
+//      'valign' => '',
+//    ),
+//    'colgroup' => array(
+//      'align'  => '',
+//      'valign' => '',
+//    ),
+        'tbody' => array(
+            'align' => '!set_table_row_align',
+            'valign' => '!set_table_row_valign',
+        ),
+        'td' => array(
+            'align' => 'text-align: %s;',
+            'bgcolor' => '!set_background_color',
+            'height' => 'height: %s;',
+            'nowrap' => 'white-space: nowrap;',
+            'valign' => 'vertical-align: %s;',
+            'width' => 'width: %s;',
+        ),
+        'tfoot' => array(
+            'align' => '!set_table_row_align',
+            'valign' => '!set_table_row_valign',
+        ),
+        'th' => array(
+            'align' => 'text-align: %s;',
+            'bgcolor' => '!set_background_color',
+            'height' => 'height: %s;',
+            'nowrap' => 'white-space: nowrap;',
+            'valign' => 'vertical-align: %s;',
+            'width' => 'width: %s;',
+        ),
+        'thead' => array(
+            'align' => '!set_table_row_align',
+            'valign' => '!set_table_row_valign',
+        ),
+        'tr' => array(
+            'align' => '!set_table_row_align',
+            'bgcolor' => '!set_table_row_bgcolor',
+            'valign' => '!set_table_row_valign',
+        ),
+        'body' => array(
+            'background' => 'background-image: url(%s);',
+            'bgcolor' => '!set_background_color',
+            'link' => '!set_body_link',
+            'text' => '!set_color',
+        ),
+        'br' => array(
+            'clear' => 'clear: %s;',
+        ),
+        'basefont' => array(
+            'color' => '!set_color',
+            'face' => 'font-family: %s;',
+            'size' => '!set_basefont_size',
+        ),
+        'font' => array(
+            'color' => '!set_color',
+            'face' => 'font-family: %s;',
+            'size' => '!set_font_size',
+        ),
+        'dir' => array(
+            'compact' => 'margin: 0.5em 0;',
+        ),
+        'dl' => array(
+            'compact' => 'margin: 0.5em 0;',
+        ),
+        'menu' => array(
+            'compact' => 'margin: 0.5em 0;',
+        ),
+        'ol' => array(
+            'compact' => 'margin: 0.5em 0;',
+            'start' => 'counter-reset: -dompdf-default-counter %d;',
+            'type' => 'list-style-type: %s;',
+        ),
+        'ul' => array(
+            'compact' => 'margin: 0.5em 0;',
+            'type' => 'list-style-type: %s;',
+        ),
+        'li' => array(
+            'type' => 'list-style-type: %s;',
+            'value' => 'counter-reset: -dompdf-default-counter %d;',
+        ),
+        'pre' => array(
+            'width' => 'width: %s;',
+        ),
+    );
+
+    static protected $_last_basefont_size = 3;
+    static protected $_font_size_lookup = array(
+        // For basefont support
+        -3 => "4pt",
+        -2 => "5pt",
+        -1 => "6pt",
+        0 => "7pt",
+
+        1 => "8pt",
+        2 => "10pt",
+        3 => "12pt",
+        4 => "14pt",
+        5 => "18pt",
+        6 => "24pt",
+        7 => "34pt",
+
+        // For basefont support
+        8 => "48pt",
+        9 => "44pt",
+        10 => "52pt",
+        11 => "60pt",
+    );
+
+    /**
+     * @param Frame $frame
+     */
+    static function translate_attributes(Frame $frame)
+    {
+        $node = $frame->get_node();
+        $tag = $node->nodeName;
+
+        if (!isset(self::$__ATTRIBUTE_LOOKUP[$tag])) {
+            return;
+        }
+
+        $valid_attrs = self::$__ATTRIBUTE_LOOKUP[$tag];
+        $attrs = $node->attributes;
+        $style = rtrim($node->getAttribute(self::$_style_attr), "; ");
+        if ($style != "") {
+            $style .= ";";
+        }
+
+        foreach ($attrs as $attr => $attr_node) {
+            if (!isset($valid_attrs[$attr])) {
+                continue;
+            }
+
+            $value = $attr_node->value;
+
+            $target = $valid_attrs[$attr];
+
+            // Look up $value in $target, if $target is an array:
+            if (is_array($target)) {
+                if (isset($target[$value])) {
+                    $style .= " " . self::_resolve_target($node, $target[$value], $value);
+                }
+            } else {
+                // otherwise use target directly
+                $style .= " " . self::_resolve_target($node, $target, $value);
+            }
+        }
+
+        if (!is_null($style)) {
+            $style = ltrim($style);
+            $node->setAttribute(self::$_style_attr, $style);
+        }
+
+    }
+
+    /**
+     * @param \DOMNode $node
+     * @param string $target
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _resolve_target(\DOMNode $node, $target, $value)
+    {
+        if ($target[0] === "!") {
+            // Function call
+            $func = "_" . mb_substr($target, 1);
+
+            return self::$func($node, $value);
+        }
+
+        return $value ? sprintf($target, $value) : "";
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $new_style
+     */
+    static function append_style(\DOMElement $node, $new_style)
+    {
+        $style = rtrim($node->getAttribute(self::$_style_attr), ";");
+        $style .= $new_style;
+        $style = ltrim($style, ";");
+        $node->setAttribute(self::$_style_attr, $style);
+    }
+
+    /**
+     * @param \DOMNode $node
+     *
+     * @return \DOMNodeList|\DOMElement[]
+     */
+    static protected function get_cell_list(\DOMNode $node)
+    {
+        $xpath = new \DOMXpath($node->ownerDocument);
+
+        switch ($node->nodeName) {
+            default:
+            case "table":
+                $query = "tr/td | thead/tr/td | tbody/tr/td | tfoot/tr/td | tr/th | thead/tr/th | tbody/tr/th | tfoot/tr/th";
+                break;
+
+            case "tbody":
+            case "tfoot":
+            case "thead":
+                $query = "tr/td | tr/th";
+                break;
+
+            case "tr":
+                $query = "td | th";
+                break;
+        }
+
+        return $xpath->query($query, $node);
+    }
+
+    /**
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _get_valid_color($value)
+    {
+        if (preg_match('/^#?([0-9A-F]{6})$/i', $value, $matches)) {
+            $value = "#$matches[1]";
+        }
+
+        return $value;
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _set_color(\DOMElement $node, $value)
+    {
+        $value = self::_get_valid_color($value);
+
+        return "color: $value;";
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _set_background_color(\DOMElement $node, $value)
+    {
+        $value = self::_get_valid_color($value);
+
+        return "background-color: $value;";
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null
+     */
+    static protected function _set_table_cellpadding(\DOMElement $node, $value)
+    {
+        $cell_list = self::get_cell_list($node);
+
+        foreach ($cell_list as $cell) {
+            self::append_style($cell, "; padding: {$value}px;");
+        }
+
+        return null;
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _set_table_border(\DOMElement $node, $value)
+    {
+        $cell_list = self::get_cell_list($node);
+
+        foreach ($cell_list as $cell) {
+            $style = rtrim($cell->getAttribute(self::$_style_attr));
+            $style .= "; border-width: " . ($value > 0 ? 1 : 0) . "pt; border-style: inset;";
+            $style = ltrim($style, ";");
+            $cell->setAttribute(self::$_style_attr, $style);
+        }
+
+        $style = rtrim($node->getAttribute(self::$_style_attr), ";");
+        $style .= "; border-width: $value" . "px; ";
+
+        return ltrim($style, "; ");
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _set_table_cellspacing(\DOMElement $node, $value)
+    {
+        $style = rtrim($node->getAttribute(self::$_style_attr), ";");
+
+        if ($value == 0) {
+            $style .= "; border-collapse: collapse;";
+        } else {
+            $style .= "; border-spacing: {$value}px; border-collapse: separate;";
+        }
+
+        return ltrim($style, ";");
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null|string
+     */
+    static protected function _set_table_rules(\DOMElement $node, $value)
+    {
+        $new_style = "; border-collapse: collapse;";
+
+        switch ($value) {
+            case "none":
+                $new_style .= "border-style: none;";
+                break;
+
+            case "groups":
+                // FIXME: unsupported
+                return null;
+
+            case "rows":
+                $new_style .= "border-style: solid none solid none; border-width: 1px; ";
+                break;
+
+            case "cols":
+                $new_style .= "border-style: none solid none solid; border-width: 1px; ";
+                break;
+
+            case "all":
+                $new_style .= "border-style: solid; border-width: 1px; ";
+                break;
+
+            default:
+                // Invalid value
+                return null;
+        }
+
+        $cell_list = self::get_cell_list($node);
+
+        foreach ($cell_list as $cell) {
+            $style = $cell->getAttribute(self::$_style_attr);
+            $style .= $new_style;
+            $cell->setAttribute(self::$_style_attr, $style);
+        }
+
+        $style = rtrim($node->getAttribute(self::$_style_attr), ";");
+        $style .= "; border-collapse: collapse; ";
+
+        return ltrim($style, "; ");
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _set_hr_size(\DOMElement $node, $value)
+    {
+        $style = rtrim($node->getAttribute(self::$_style_attr), ";");
+        $style .= "; border-width: " . max(0, $value - 2) . "; ";
+
+        return ltrim($style, "; ");
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null|string
+     */
+    static protected function _set_hr_align(\DOMElement $node, $value)
+    {
+        $style = rtrim($node->getAttribute(self::$_style_attr), ";");
+        $width = $node->getAttribute("width");
+
+        if ($width == "") {
+            $width = "100%";
+        }
+
+        $remainder = 100 - (double)rtrim($width, "% ");
+
+        switch ($value) {
+            case "left":
+                $style .= "; margin-right: $remainder %;";
+                break;
+
+            case "right":
+                $style .= "; margin-left: $remainder %;";
+                break;
+
+            case "center":
+                $style .= "; margin-left: auto; margin-right: auto;";
+                break;
+
+            default:
+                return null;
+        }
+
+        return ltrim($style, "; ");
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null|string
+     */
+    static protected function _set_input_width(\DOMElement $node, $value)
+    {
+        if (empty($value)) { return null; }
+
+        if ($node->hasAttribute("type") && in_array(strtolower($node->getAttribute("type")), array("text","password"))) {
+            return sprintf("width: %Fem", (((int)$value * .65)+2));
+        } else {
+            return sprintf("width: %upx;", (int)$value);
+        }
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null
+     */
+    static protected function _set_table_row_align(\DOMElement $node, $value)
+    {
+        $cell_list = self::get_cell_list($node);
+
+        foreach ($cell_list as $cell) {
+            self::append_style($cell, "; text-align: $value;");
+        }
+
+        return null;
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null
+     */
+    static protected function _set_table_row_valign(\DOMElement $node, $value)
+    {
+        $cell_list = self::get_cell_list($node);
+
+        foreach ($cell_list as $cell) {
+            self::append_style($cell, "; vertical-align: $value;");
+        }
+
+        return null;
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null
+     */
+    static protected function _set_table_row_bgcolor(\DOMElement $node, $value)
+    {
+        $cell_list = self::get_cell_list($node);
+        $value = self::_get_valid_color($value);
+
+        foreach ($cell_list as $cell) {
+            self::append_style($cell, "; background-color: $value;");
+        }
+
+        return null;
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null
+     */
+    static protected function _set_body_link(\DOMElement $node, $value)
+    {
+        $a_list = $node->getElementsByTagName("a");
+        $value = self::_get_valid_color($value);
+
+        foreach ($a_list as $a) {
+            self::append_style($a, "; color: $value;");
+        }
+
+        return null;
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return null
+     */
+    static protected function _set_basefont_size(\DOMElement $node, $value)
+    {
+        // FIXME: ? we don't actually set the font size of anything here, just
+        // the base size for later modification by <font> tags.
+        self::$_last_basefont_size = $value;
+
+        return null;
+    }
+
+    /**
+     * @param \DOMElement $node
+     * @param string $value
+     *
+     * @return string
+     */
+    static protected function _set_font_size(\DOMElement $node, $value)
+    {
+        $style = $node->getAttribute(self::$_style_attr);
+
+        if ($value[0] === "-" || $value[0] === "+") {
+            $value = self::$_last_basefont_size + (int)$value;
+        }
+
+        if (isset(self::$_font_size_lookup[$value])) {
+            $style .= "; font-size: " . self::$_font_size_lookup[$value] . ";";
+        } else {
+            $style .= "; font-size: $value;";
+        }
+
+        return ltrim($style, "; ");
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Css/Color~20171216-130154.php

@@ -0,0 +1,307 @@
+<?php
+
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Css;
+
+use Dompdf\Helpers;
+
+class Color
+{
+    static $cssColorNames = array(
+        "aliceblue" => "F0F8FF",
+        "antiquewhite" => "FAEBD7",
+        "aqua" => "00FFFF",
+        "aquamarine" => "7FFFD4",
+        "azure" => "F0FFFF",
+        "beige" => "F5F5DC",
+        "bisque" => "FFE4C4",
+        "black" => "000000",
+        "blanchedalmond" => "FFEBCD",
+        "blue" => "0000FF",
+        "blueviolet" => "8A2BE2",
+        "brown" => "A52A2A",
+        "burlywood" => "DEB887",
+        "cadetblue" => "5F9EA0",
+        "chartreuse" => "7FFF00",
+        "chocolate" => "D2691E",
+        "coral" => "FF7F50",
+        "cornflowerblue" => "6495ED",
+        "cornsilk" => "FFF8DC",
+        "crimson" => "DC143C",
+        "cyan" => "00FFFF",
+        "darkblue" => "00008B",
+        "darkcyan" => "008B8B",
+        "darkgoldenrod" => "B8860B",
+        "darkgray" => "A9A9A9",
+        "darkgreen" => "006400",
+        "darkgrey" => "A9A9A9",
+        "darkkhaki" => "BDB76B",
+        "darkmagenta" => "8B008B",
+        "darkolivegreen" => "556B2F",
+        "darkorange" => "FF8C00",
+        "darkorchid" => "9932CC",
+        "darkred" => "8B0000",
+        "darksalmon" => "E9967A",
+        "darkseagreen" => "8FBC8F",
+        "darkslateblue" => "483D8B",
+        "darkslategray" => "2F4F4F",
+        "darkslategrey" => "2F4F4F",
+        "darkturquoise" => "00CED1",
+        "darkviolet" => "9400D3",
+        "deeppink" => "FF1493",
+        "deepskyblue" => "00BFFF",
+        "dimgray" => "696969",
+        "dimgrey" => "696969",
+        "dodgerblue" => "1E90FF",
+        "firebrick" => "B22222",
+        "floralwhite" => "FFFAF0",
+        "forestgreen" => "228B22",
+        "fuchsia" => "FF00FF",
+        "gainsboro" => "DCDCDC",
+        "ghostwhite" => "F8F8FF",
+        "gold" => "FFD700",
+        "goldenrod" => "DAA520",
+        "gray" => "808080",
+        "green" => "008000",
+        "greenyellow" => "ADFF2F",
+        "grey" => "808080",
+        "honeydew" => "F0FFF0",
+        "hotpink" => "FF69B4",
+        "indianred" => "CD5C5C",
+        "indigo" => "4B0082",
+        "ivory" => "FFFFF0",
+        "khaki" => "F0E68C",
+        "lavender" => "E6E6FA",
+        "lavenderblush" => "FFF0F5",
+        "lawngreen" => "7CFC00",
+        "lemonchiffon" => "FFFACD",
+        "lightblue" => "ADD8E6",
+        "lightcoral" => "F08080",
+        "lightcyan" => "E0FFFF",
+        "lightgoldenrodyellow" => "FAFAD2",
+        "lightgray" => "D3D3D3",
+        "lightgreen" => "90EE90",
+        "lightgrey" => "D3D3D3",
+        "lightpink" => "FFB6C1",
+        "lightsalmon" => "FFA07A",
+        "lightseagreen" => "20B2AA",
+        "lightskyblue" => "87CEFA",
+        "lightslategray" => "778899",
+        "lightslategrey" => "778899",
+        "lightsteelblue" => "B0C4DE",
+        "lightyellow" => "FFFFE0",
+        "lime" => "00FF00",
+        "limegreen" => "32CD32",
+        "linen" => "FAF0E6",
+        "magenta" => "FF00FF",
+        "maroon" => "800000",
+        "mediumaquamarine" => "66CDAA",
+        "mediumblue" => "0000CD",
+        "mediumorchid" => "BA55D3",
+        "mediumpurple" => "9370DB",
+        "mediumseagreen" => "3CB371",
+        "mediumslateblue" => "7B68EE",
+        "mediumspringgreen" => "00FA9A",
+        "mediumturquoise" => "48D1CC",
+        "mediumvioletred" => "C71585",
+        "midnightblue" => "191970",
+        "mintcream" => "F5FFFA",
+        "mistyrose" => "FFE4E1",
+        "moccasin" => "FFE4B5",
+        "navajowhite" => "FFDEAD",
+        "navy" => "000080",
+        "oldlace" => "FDF5E6",
+        "olive" => "808000",
+        "olivedrab" => "6B8E23",
+        "orange" => "FFA500",
+        "orangered" => "FF4500",
+        "orchid" => "DA70D6",
+        "palegoldenrod" => "EEE8AA",
+        "palegreen" => "98FB98",
+        "paleturquoise" => "AFEEEE",
+        "palevioletred" => "DB7093",
+        "papayawhip" => "FFEFD5",
+        "peachpuff" => "FFDAB9",
+        "peru" => "CD853F",
+        "pink" => "FFC0CB",
+        "plum" => "DDA0DD",
+        "powderblue" => "B0E0E6",
+        "purple" => "800080",
+        "red" => "FF0000",
+        "rosybrown" => "BC8F8F",
+        "royalblue" => "4169E1",
+        "saddlebrown" => "8B4513",
+        "salmon" => "FA8072",
+        "sandybrown" => "F4A460",
+        "seagreen" => "2E8B57",
+        "seashell" => "FFF5EE",
+        "sienna" => "A0522D",
+        "silver" => "C0C0C0",
+        "skyblue" => "87CEEB",
+        "slateblue" => "6A5ACD",
+        "slategray" => "708090",
+        "slategrey" => "708090",
+        "snow" => "FFFAFA",
+        "springgreen" => "00FF7F",
+        "steelblue" => "4682B4",
+        "tan" => "D2B48C",
+        "teal" => "008080",
+        "thistle" => "D8BFD8",
+        "tomato" => "FF6347",
+        "turquoise" => "40E0D0",
+        "violet" => "EE82EE",
+        "wheat" => "F5DEB3",
+        "white" => "FFFFFF",
+        "whitesmoke" => "F5F5F5",
+        "yellow" => "FFFF00",
+        "yellowgreen" => "9ACD32",
+    );
+
+    /**
+     * @param $color
+     * @return array|mixed|null|string
+     */
+    static function parse($color)
+    {
+        if (is_array($color)) {
+            // Assume the array has the right format...
+            // FIXME: should/could verify this.
+            return $color;
+        }
+
+        static $cache = array();
+
+        $color = strtolower($color);
+
+        if (isset($cache[$color])) {
+            return $cache[$color];
+        }
+
+        if (in_array($color, array("transparent", "inherit"))) {
+            return $cache[$color] = $color;
+        }
+
+        if (isset(self::$cssColorNames[$color])) {
+            return $cache[$color] = self::getArray(self::$cssColorNames[$color]);
+        }
+
+        $length = mb_strlen($color);
+
+        // #rgb format
+        if ($length == 4 && $color[0] === "#") {
+            return $cache[$color] = self::getArray($color[1] . $color[1] . $color[2] . $color[2] . $color[3] . $color[3]);
+        } // #rgba format
+        else if ($length == 5 && $color[0] === "#") {
+            $alpha = round(hexdec($color[4] . $color[4])/255, 2);
+            return $cache[$color] = self::getArray($color[1] . $color[1] . $color[2] . $color[2] . $color[3] . $color[3], $alpha);
+        } // #rrggbb format
+        else if ($length == 7 && $color[0] === "#") {
+            return $cache[$color] = self::getArray(mb_substr($color, 1, 6));
+        } // #rrggbbaa format
+        else if ($length == 9 && $color[0] === "#") {
+            $alpha = round(hexdec(mb_substr($color, 7, 2))/255, 2);
+            return $cache[$color] = self::getArray(mb_substr($color, 1, 8), $alpha);
+        } // rgb( r,g,b ) / rgbaa( r,g,b,α ) format
+        else if (mb_strpos($color, "rgb") !== false) {
+            $i = mb_strpos($color, "(");
+            $j = mb_strpos($color, ")");
+
+            // Bad color value
+            if ($i === false || $j === false) {
+                return null;
+            }
+
+            $triplet = explode(",", mb_substr($color, $i + 1, $j - $i - 1));
+
+            // alpha transparency
+            // FIXME: not currently using transparency
+            $alpha = 1.0;
+            if (count($triplet) == 4) {
+                $alpha = (float)(trim(array_pop($triplet)));
+                // bad value, set to fully opaque
+                if ($alpha > 1.0 || $alpha < 0.0) {
+                    $alpha = 1.0;
+                }
+            }
+
+            if (count($triplet) != 3) {
+                return null;
+            }
+
+            foreach (array_keys($triplet) as $c) {
+                $triplet[$c] = trim($triplet[$c]);
+
+                if (Helpers::is_percent($triplet[$c])) {
+                    $triplet[$c] = round((float)$triplet[$c] * 2.55);
+                }
+            }
+
+            return $cache[$color] = self::getArray(vsprintf("%02X%02X%02X", $triplet), $alpha);
+
+        }
+
+        // cmyk( c,m,y,k ) format
+        // http://www.w3.org/TR/css3-gcpm/#cmyk-colors
+        else if (mb_strpos($color, "cmyk") !== false) {
+            $i = mb_strpos($color, "(");
+            $j = mb_strpos($color, ")");
+
+            // Bad color value
+            if ($i === false || $j === false) {
+                return null;
+            }
+
+            $values = explode(",", mb_substr($color, $i + 1, $j - $i - 1));
+
+            if (count($values) != 4) {
+                return null;
+            }
+
+            $values = array_map(function($c) {
+                return min(1.0, max(0.0, floatval(trim($c))));
+            }, $values);
+
+            return $cache[$color] = self::getArray($values);
+        }
+
+        return null;
+    }
+
+    /**
+     * @param $color
+     * @param float $alpha
+     * @return array
+     */
+    static function getArray($color, $alpha = 1.0)
+    {
+        $c = array(null, null, null, null, "alpha" => $alpha, "hex" => null);
+
+        if (is_array($color)) {
+            $c = $color;
+            $c["c"] = $c[0];
+            $c["m"] = $c[1];
+            $c["y"] = $c[2];
+            $c["k"] = $c[3];
+            $c["alpha"] = $alpha;
+            $c["hex"] = "cmyk($c[0],$c[1],$c[2],$c[3])";
+        } else {
+            $c[0] = hexdec(mb_substr($color, 0, 2)) / 0xff;
+            $c[1] = hexdec(mb_substr($color, 2, 2)) / 0xff;
+            $c[2] = hexdec(mb_substr($color, 4, 2)) / 0xff;
+            $c["r"] = $c[0];
+            $c["g"] = $c[1];
+            $c["b"] = $c[2];
+            $c["alpha"] = $alpha;
+            $c["hex"] = sprintf("#%s%02X", mb_substr($color, 0, 6), round($alpha * 255));
+        }
+
+        return $c;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Exception/ImageException~20171216-130154.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Exception;
+
+use Dompdf\Exception;
+
+/**
+ * Image exception thrown by DOMPDF
+ *
+ * @package dompdf
+ */
+class ImageException extends Exception
+{
+
+    /**
+     * Class constructor
+     *
+     * @param string $message Error message
+     * @param int $code       Error code
+     */
+    function __construct($message = null, $code = 0)
+    {
+        parent::__construct($message, $code);
+    }
+
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Exception~20171216-130154.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf;
+
+/**
+ * Standard exception thrown by DOMPDF classes
+ *
+ * @package dompdf
+ */
+class Exception extends \Exception
+{
+
+    /**
+     * Class constructor
+     *
+     * @param string $message Error message
+     * @param int $code       Error code
+     */
+    public function __construct($message = null, $code = 0)
+    {
+        parent::__construct($message, $code);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FontMetrics~20171216-130154.php

@@ -0,0 +1,534 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf;
+
+use FontLib\Font;
+
+/**
+ * The font metrics class
+ *
+ * This class provides information about fonts and text.  It can resolve
+ * font names into actual installed font files, as well as determine the
+ * size of text in a particular font and size.
+ *
+ * @static
+ * @package dompdf
+ */
+class FontMetrics
+{
+    /**
+     * Name of the font cache file
+     *
+     * This file must be writable by the webserver process only to update it
+     * with save_font_families() after adding the .afm file references of a new font family
+     * with FontMetrics::saveFontFamilies().
+     * This is typically done only from command line with load_font.php on converting
+     * ttf fonts to ufm with php-font-lib.
+     */
+    const CACHE_FILE = "dompdf_font_family_cache.php";
+
+    /**
+     * @var Canvas
+     * @deprecated
+     */
+    protected $pdf;
+
+    /**
+     * Underlying {@link Canvas} object to perform text size calculations
+     *
+     * @var Canvas
+     */
+    protected $canvas;
+
+    /**
+     * Array of font family names to font files
+     *
+     * Usually cached by the {@link load_font.php} script
+     *
+     * @var array
+     */
+    protected $fontLookup = array();
+
+    /**
+     * @var Options
+     */
+    private $options;
+
+    /**
+     * Class initialization
+     */
+    public function __construct(Canvas $canvas, Options $options)
+    {
+        $this->setCanvas($canvas);
+        $this->setOptions($options);
+        $this->loadFontFamilies();
+    }
+
+    /**
+     * @deprecated
+     */
+    public function save_font_families()
+    {
+        $this->saveFontFamilies();
+    }
+
+    /**
+     * Saves the stored font family cache
+     *
+     * The name and location of the cache file are determined by {@link
+     * FontMetrics::CACHE_FILE}.  This file should be writable by the
+     * webserver process.
+     *
+     * @see Font_Metrics::load_font_families()
+     */
+    public function saveFontFamilies()
+    {
+        // replace the path to the DOMPDF font directories with the corresponding constants (allows for more portability)
+        $cacheData = sprintf("<?php return array (%s", PHP_EOL);
+        foreach ($this->fontLookup as $family => $variants) {
+            $cacheData .= sprintf("  '%s' => array(%s", addslashes($family), PHP_EOL);
+            foreach ($variants as $variant => $path) {
+                $path = sprintf("'%s'", $path);
+                $path = str_replace('\'' . $this->getOptions()->getFontDir() , '$fontDir . \'' , $path);
+                $path = str_replace('\'' . $this->getOptions()->getRootDir() , '$rootDir . \'' , $path);
+                $cacheData .= sprintf("    '%s' => %s,%s", $variant, $path, PHP_EOL);
+            }
+            $cacheData .= sprintf("  ),%s", PHP_EOL);
+        }
+        $cacheData .= ") ?>";
+        file_put_contents($this->getCacheFile(), $cacheData);
+    }
+
+    /**
+     * @deprecated
+     */
+    public function load_font_families()
+    {
+        $this->loadFontFamilies();
+    }
+
+    /**
+     * Loads the stored font family cache
+     *
+     * @see save_font_families()
+     */
+    public function loadFontFamilies()
+    {
+        $fontDir = $this->getOptions()->getFontDir();
+        $rootDir = $this->getOptions()->getRootDir();
+
+        // FIXME: tempoarary define constants for cache files <= v0.6.2
+        if (!defined("DOMPDF_DIR")) { define("DOMPDF_DIR", $rootDir); }
+        if (!defined("DOMPDF_FONT_DIR")) { define("DOMPDF_FONT_DIR", $fontDir); }
+
+        $file = $rootDir . "/lib/fonts/dompdf_font_family_cache.dist.php";
+        $distFonts = require $file;
+
+        if (!is_readable($this->getCacheFile())) {
+            $this->fontLookup = $distFonts;
+            return;
+        }
+
+        $cacheData = require $this->getCacheFile();
+
+        $this->fontLookup = array();
+        if (is_array($this->fontLookup)) {
+            foreach ($cacheData as $key => $value) {
+                $this->fontLookup[stripslashes($key)] = $value;
+            }
+        }
+
+        // Merge provided fonts
+        $this->fontLookup += $distFonts;
+    }
+
+    /**
+     * @param array $style
+     * @param string $remote_file
+     * @param resource $context
+     * @return bool
+     * @deprecated
+     */
+    public function register_font($style, $remote_file, $context = null)
+    {
+        return $this->registerFont($style, $remote_file);
+    }
+
+    /**
+     * @param array $style
+     * @param string $remoteFile
+     * @param resource $context
+     * @return bool
+     */
+    public function registerFont($style, $remoteFile, $context = null)
+    {
+        $fontDir = $this->getOptions()->getFontDir();
+        $fontname = mb_strtolower($style["family"]);
+        $families = $this->getFontFamilies();
+
+        $entry = array();
+        if (isset($families[$fontname])) {
+            $entry = $families[$fontname];
+        }
+
+        $localFile = $fontDir . DIRECTORY_SEPARATOR . md5($remoteFile);
+        $localTempFile = $this->options->get('tempDir') . "/" . md5($remoteFile);
+        $cacheEntry = $localFile;
+        $localFile .= ".".strtolower(pathinfo($remoteFile,PATHINFO_EXTENSION));
+
+        $styleString = $this->getType("{$style['weight']} {$style['style']}");
+
+        if ( !isset($entry[$styleString]) ) {
+            $entry[$styleString] = $cacheEntry;
+
+            // Download the remote file
+            list($remoteFileContent, $http_response_header) = @Helpers::getFileContent($remoteFile, $context);
+            if (false === $remoteFileContent) {
+                return false;
+            }
+            file_put_contents($localTempFile, $remoteFileContent);
+
+            $font = Font::load($localTempFile);
+
+            if (!$font) {
+                unlink($localTempFile);
+                return false;
+            }
+
+            $font->parse();
+            $font->saveAdobeFontMetrics("$cacheEntry.ufm");
+            $font->close();
+
+            unlink($localTempFile);
+
+            if ( !file_exists("$cacheEntry.ufm") ) {
+                return false;
+            }
+
+            // Save the changes
+            file_put_contents($localFile, $remoteFileContent);
+
+            if ( !file_exists($localFile) ) {
+                unlink("$cacheEntry.ufm");
+                return false;
+            }
+
+            $this->setFontFamily($fontname, $entry);
+            $this->saveFontFamilies();
+        }
+
+        return true;
+    }
+
+    /**
+     * @param $text
+     * @param $font
+     * @param $size
+     * @param float $word_spacing
+     * @param float $char_spacing
+     * @return float
+     * @deprecated
+     */
+    public function get_text_width($text, $font, $size, $word_spacing = 0.0, $char_spacing = 0.0)
+    {
+        //return self::$_pdf->get_text_width($text, $font, $size, $word_spacing, $char_spacing);
+        return $this->getTextWidth($text, $font, $size, $word_spacing, $char_spacing);
+    }
+
+    /**
+     * Calculates text size, in points
+     *
+     * @param string $text the text to be sized
+     * @param string $font the desired font
+     * @param float $size  the desired font size
+     * @param float $wordSpacing
+     * @param float $charSpacing
+     *
+     * @internal param float $spacing word spacing, if any
+     * @return float
+     */
+    public function getTextWidth($text, $font, $size, $wordSpacing = 0.0, $charSpacing = 0.0)
+    {
+        // @todo Make sure this cache is efficient before enabling it
+        static $cache = array();
+
+        if ($text === "") {
+            return 0;
+        }
+
+        // Don't cache long strings
+        $useCache = !isset($text[50]); // Faster than strlen
+
+        $key = "$font/$size/$wordSpacing/$charSpacing";
+
+        if ($useCache && isset($cache[$key][$text])) {
+            return $cache[$key]["$text"];
+        }
+
+        $width = $this->getCanvas()->get_text_width($text, $font, $size, $wordSpacing, $charSpacing);
+
+        if ($useCache) {
+            $cache[$key][$text] = $width;
+        }
+
+        return $width;
+    }
+
+    /**
+     * @param $font
+     * @param $size
+     * @return float
+     * @deprecated
+     */
+    public function get_font_height($font, $size)
+    {
+        return $this->getFontHeight($font, $size);
+    }
+
+    /**
+     * Calculates font height
+     *
+     * @param string $font
+     * @param float $size
+     *
+     * @return float
+     */
+    public function getFontHeight($font, $size)
+    {
+        return $this->getCanvas()->get_font_height($font, $size);
+    }
+
+    /**
+     * @param $family_raw
+     * @param string $subtype_raw
+     * @return string
+     * @deprecated
+     */
+    public function get_font($family_raw, $subtype_raw = "normal")
+    {
+        return $this->getFont($family_raw, $subtype_raw);
+    }
+
+    /**
+     * Resolves a font family & subtype into an actual font file
+     * Subtype can be one of 'normal', 'bold', 'italic' or 'bold_italic'.  If
+     * the particular font family has no suitable font file, the default font
+     * ({@link Options::defaultFont}) is used.  The font file returned
+     * is the absolute pathname to the font file on the system.
+     *
+     * @param string $familyRaw
+     * @param string $subtypeRaw
+     *
+     * @return string
+     */
+    public function getFont($familyRaw, $subtypeRaw = "normal")
+    {
+        static $cache = array();
+
+        if (isset($cache[$familyRaw][$subtypeRaw])) {
+            return $cache[$familyRaw][$subtypeRaw];
+        }
+
+        /* Allow calling for various fonts in search path. Therefore not immediately
+         * return replacement on non match.
+         * Only when called with NULL try replacement.
+         * When this is also missing there is really trouble.
+         * If only the subtype fails, nevertheless return failure.
+         * Only on checking the fallback font, check various subtypes on same font.
+         */
+
+        $subtype = strtolower($subtypeRaw);
+
+        if ($familyRaw) {
+            $family = str_replace(array("'", '"'), "", strtolower($familyRaw));
+
+            if (isset($this->fontLookup[$family][$subtype])) {
+                return $cache[$familyRaw][$subtypeRaw] = $this->fontLookup[$family][$subtype];
+            }
+
+            return null;
+        }
+
+        $family = "serif";
+
+        if (isset($this->fontLookup[$family][$subtype])) {
+            return $cache[$familyRaw][$subtypeRaw] = $this->fontLookup[$family][$subtype];
+        }
+
+        if (!isset($this->fontLookup[$family])) {
+            return null;
+        }
+
+        $family = $this->fontLookup[$family];
+
+        foreach ($family as $sub => $font) {
+            if (strpos($subtype, $sub) !== false) {
+                return $cache[$familyRaw][$subtypeRaw] = $font;
+            }
+        }
+
+        if ($subtype !== "normal") {
+            foreach ($family as $sub => $font) {
+                if ($sub !== "normal") {
+                    return $cache[$familyRaw][$subtypeRaw] = $font;
+                }
+            }
+        }
+
+        $subtype = "normal";
+
+        if (isset($family[$subtype])) {
+            return $cache[$familyRaw][$subtypeRaw] = $family[$subtype];
+        }
+
+        return null;
+    }
+
+    /**
+     * @param $family
+     * @return null|string
+     * @deprecated
+     */
+    public function get_family($family)
+    {
+        return $this->getFamily($family);
+    }
+
+    /**
+     * @param string $family
+     * @return null|string
+     */
+    public function getFamily($family)
+    {
+        $family = str_replace(array("'", '"'), "", mb_strtolower($family));
+
+        if (isset($this->fontLookup[$family])) {
+            return $this->fontLookup[$family];
+        }
+
+        return null;
+    }
+
+    /**
+     * @param $type
+     * @return string
+     * @deprecated
+     */
+    public function get_type($type)
+    {
+        return $this->getType($type);
+    }
+
+    /**
+     * @param string $type
+     * @return string
+     */
+    public function getType($type)
+    {
+        if (preg_match("/bold/i", $type)) {
+            if (preg_match("/italic|oblique/i", $type)) {
+                $type = "bold_italic";
+            } else {
+                $type = "bold";
+            }
+        } elseif (preg_match("/italic|oblique/i", $type)) {
+            $type = "italic";
+        } else {
+            $type = "normal";
+        }
+
+        return $type;
+    }
+
+    /**
+     * @return array
+     * @deprecated
+     */
+    public function get_font_families()
+    {
+        return $this->getFontFamilies();
+    }
+
+    /**
+     * Returns the current font lookup table
+     *
+     * @return array
+     */
+    public function getFontFamilies()
+    {
+        return $this->fontLookup;
+    }
+
+    /**
+     * @param string $fontname
+     * @param mixed $entry
+     * @deprecated
+     */
+    public function set_font_family($fontname, $entry)
+    {
+        $this->setFontFamily($fontname, $entry);
+    }
+
+    /**
+     * @param string $fontname
+     * @param mixed $entry
+     */
+    public function setFontFamily($fontname, $entry)
+    {
+        $this->fontLookup[mb_strtolower($fontname)] = $entry;
+    }
+
+    /**
+     * @return string
+     */
+    public function getCacheFile()
+    {
+        return $this->getOptions()->getFontDir() . DIRECTORY_SEPARATOR . self::CACHE_FILE;
+    }
+
+    /**
+     * @param Options $options
+     * @return $this
+     */
+    public function setOptions(Options $options)
+    {
+        $this->options = $options;
+        return $this;
+    }
+
+    /**
+     * @return Options
+     */
+    public function getOptions()
+    {
+        return $this->options;
+    }
+
+    /**
+     * @param Canvas $canvas
+     * @return $this
+     */
+    public function setCanvas(Canvas $canvas)
+    {
+        $this->canvas = $canvas;
+        // Still write deprecated pdf for now. It might be used by a parent class.
+        $this->pdf = $canvas;
+        return $this;
+    }
+
+    /**
+     * @return Canvas
+     */
+    public function getCanvas()
+    {
+        return $this->canvas;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Frame/Factory~20171216-130154.php

@@ -0,0 +1,287 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Frame;
+
+use Dompdf\Css\Style;
+use Dompdf\Dompdf;
+use Dompdf\Exception;
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+use DOMXPath;
+use Dompdf\FrameDecorator\Page as PageFrameDecorator;
+use Dompdf\FrameReflower\Page as PageFrameReflower;
+use Dompdf\Positioner\AbstractPositioner;
+
+/**
+ * Contains frame decorating logic
+ *
+ * This class is responsible for assigning the correct {@link AbstractFrameDecorator},
+ * {@link AbstractPositioner}, and {@link AbstractFrameReflower} objects to {@link Frame}
+ * objects.  This is determined primarily by the Frame's display type, but
+ * also by the Frame's node's type (e.g. DomElement vs. #text)
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Factory
+{
+
+     /**
+     * Array of positioners for specific frame types
+     *
+     * @var AbstractPositioner[]
+     */
+    protected static $_positioners;
+
+    /**
+     * Decorate the root Frame
+     *
+     * @param $root   Frame The frame to decorate
+     * @param $dompdf Dompdf The dompdf instance
+     *
+     * @return PageFrameDecorator
+     */
+    static function decorate_root(Frame $root, Dompdf $dompdf)
+    {
+        $frame = new PageFrameDecorator($root, $dompdf);
+        $frame->set_reflower(new PageFrameReflower($frame));
+        $root->set_decorator($frame);
+
+        return $frame;
+    }
+
+    /**
+     * Decorate a Frame
+     *
+     * @param Frame $frame   The frame to decorate
+     * @param Dompdf $dompdf The dompdf instance
+     * @param Frame $root    The frame to decorate
+     *
+     * @throws Exception
+     * @return AbstractFrameDecorator
+     * FIXME: this is admittedly a little smelly...
+     */
+    static function decorate_frame(Frame $frame, Dompdf $dompdf, Frame $root = null)
+    {
+        if (is_null($dompdf)) {
+            throw new Exception("The DOMPDF argument is required");
+        }
+
+        $style = $frame->get_style();
+
+        // Floating (and more generally out-of-flow) elements are blocks
+        // http://coding.smashingmagazine.com/2007/05/01/css-float-theory-things-you-should-know/
+        if (!$frame->is_in_flow() && in_array($style->display, Style::$INLINE_TYPES)) {
+            $style->display = "block";
+        }
+
+        $display = $style->display;
+
+        switch ($display) {
+
+            case "flex": //FIXME: display type not yet supported 
+            case "table-caption": //FIXME: display type not yet supported
+            case "block":
+                $positioner = "Block";
+                $decorator = "Block";
+                $reflower = "Block";
+                break;
+
+            case "inline-flex": //FIXME: display type not yet supported 
+            case "inline-block":
+                $positioner = "Inline";
+                $decorator = "Block";
+                $reflower = "Block";
+                break;
+
+            case "inline":
+                $positioner = "Inline";
+                if ($frame->is_text_node()) {
+                    $decorator = "Text";
+                    $reflower = "Text";
+                } else {
+                    if ($style->float !== "none") {
+                        $decorator = "Block";
+                        $reflower = "Block";
+                    } else {
+                        $decorator = "Inline";
+                        $reflower = "Inline";
+                    }
+                }
+                break;
+
+            case "table":
+                $positioner = "Block";
+                $decorator = "Table";
+                $reflower = "Table";
+                break;
+
+            case "inline-table":
+                $positioner = "Inline";
+                $decorator = "Table";
+                $reflower = "Table";
+                break;
+
+            case "table-row-group":
+            case "table-header-group":
+            case "table-footer-group":
+                $positioner = "NullPositioner";
+                $decorator = "TableRowGroup";
+                $reflower = "TableRowGroup";
+                break;
+
+            case "table-row":
+                $positioner = "NullPositioner";
+                $decorator = "TableRow";
+                $reflower = "TableRow";
+                break;
+
+            case "table-cell":
+                $positioner = "TableCell";
+                $decorator = "TableCell";
+                $reflower = "TableCell";
+                break;
+
+            case "list-item":
+                $positioner = "Block";
+                $decorator = "Block";
+                $reflower = "Block";
+                break;
+
+            case "-dompdf-list-bullet":
+                if ($style->list_style_position === "inside") {
+                    $positioner = "Inline";
+                } else {
+                    $positioner = "ListBullet";
+                }
+
+                if ($style->list_style_image !== "none") {
+                    $decorator = "ListBulletImage";
+                } else {
+                    $decorator = "ListBullet";
+                }
+
+                $reflower = "ListBullet";
+                break;
+
+            case "-dompdf-image":
+                $positioner = "Inline";
+                $decorator = "Image";
+                $reflower = "Image";
+                break;
+
+            case "-dompdf-br":
+                $positioner = "Inline";
+                $decorator = "Inline";
+                $reflower = "Inline";
+                break;
+
+            default:
+                // FIXME: should throw some sort of warning or something?
+            case "none":
+                if ($style->_dompdf_keep !== "yes") {
+                    // Remove the node and the frame
+                    $frame->get_parent()->remove_child($frame);
+                    return;
+                }
+
+                $positioner = "NullPositioner";
+                $decorator = "NullFrameDecorator";
+                $reflower = "NullFrameReflower";
+                break;
+        }
+
+        // Handle CSS position
+        $position = $style->position;
+
+        if ($position === "absolute") {
+            $positioner = "Absolute";
+        } else {
+            if ($position === "fixed") {
+                $positioner = "Fixed";
+            }
+        }
+
+        $node = $frame->get_node();
+
+        // Handle nodeName
+        if ($node->nodeName === "img") {
+            $style->display = "-dompdf-image";
+            $decorator = "Image";
+            $reflower = "Image";
+        }
+
+        $decorator  = "Dompdf\\FrameDecorator\\$decorator";
+        $reflower   = "Dompdf\\FrameReflower\\$reflower";
+
+        /** @var AbstractFrameDecorator $deco */
+        $deco = new $decorator($frame, $dompdf);
+
+        $deco->set_positioner(self::getPositionerInstance($positioner));
+        $deco->set_reflower(new $reflower($deco, $dompdf->getFontMetrics()));
+
+        if ($root) {
+            $deco->set_root($root);
+        }
+
+        if ($display === "list-item") {
+            // Insert a list-bullet frame
+            $xml = $dompdf->getDom();
+            $bullet_node = $xml->createElement("bullet"); // arbitrary choice
+            $b_f = new Frame($bullet_node);
+
+            $node = $frame->get_node();
+            $parent_node = $node->parentNode;
+
+            if ($parent_node) {
+                if (!$parent_node->hasAttribute("dompdf-children-count")) {
+                    $xpath = new DOMXPath($xml);
+                    $count = $xpath->query("li", $parent_node)->length;
+                    $parent_node->setAttribute("dompdf-children-count", $count);
+                }
+
+                if (is_numeric($node->getAttribute("value"))) {
+                    $index = intval($node->getAttribute("value"));
+                } else {
+                    if (!$parent_node->hasAttribute("dompdf-counter")) {
+                        $index = ($parent_node->hasAttribute("start") ? $parent_node->getAttribute("start") : 1);
+                    } else {
+                        $index = (int)$parent_node->getAttribute("dompdf-counter") + 1;
+                    }
+                }
+
+                $parent_node->setAttribute("dompdf-counter", $index);
+                $bullet_node->setAttribute("dompdf-counter", $index);
+            }
+
+            $new_style = $dompdf->getCss()->create_style();
+            $new_style->display = "-dompdf-list-bullet";
+            $new_style->inherit($style);
+            $b_f->set_style($new_style);
+
+            $deco->prepend_child(Factory::decorate_frame($b_f, $dompdf, $root));
+        }
+
+        return $deco;
+    }
+
+    /**
+     * Creates Positioners
+     *
+     * @param string $type type of positioner to use
+     * @return AbstractPositioner
+     */
+    protected static function getPositionerInstance($type)
+    {
+        if (!isset(self::$_positioners[$type])) {
+            $class = '\\Dompdf\\Positioner\\'.$type;
+            self::$_positioners[$type] = new $class();
+        }
+        return self::$_positioners[$type];
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Frame/FrameListIterator~20171216-130154.php

@@ -0,0 +1,91 @@
+<?php
+namespace Dompdf\Frame;
+
+use Iterator;
+use Dompdf\Frame;
+
+/**
+ * Linked-list Iterator
+ *
+ * Returns children in order and allows for list to change during iteration,
+ * provided the changes occur to or after the current element
+ *
+ * @access private
+ * @package dompdf
+ */
+class FrameListIterator implements Iterator
+{
+
+    /**
+     * @var Frame
+     */
+    protected $_parent;
+
+    /**
+     * @var Frame
+     */
+    protected $_cur;
+
+    /**
+     * @var int
+     */
+    protected $_num;
+
+    /**
+     * @param Frame $frame
+     */
+    public function __construct(Frame $frame)
+    {
+        $this->_parent = $frame;
+        $this->_cur = $frame->get_first_child();
+        $this->_num = 0;
+    }
+
+    /**
+     *
+     */
+    public function rewind()
+    {
+        $this->_cur = $this->_parent->get_first_child();
+        $this->_num = 0;
+    }
+
+    /**
+     * @return bool
+     */
+    public function valid()
+    {
+        return isset($this->_cur); // && ($this->_cur->get_prev_sibling() === $this->_prev);
+    }
+
+    /**
+     * @return int
+     */
+    public function key()
+    {
+        return $this->_num;
+    }
+
+    /**
+     * @return Frame
+     */
+    public function current()
+    {
+        return $this->_cur;
+    }
+
+    /**
+     * @return Frame
+     */
+    public function next()
+    {
+        $ret = $this->_cur;
+        if (!$ret) {
+            return null;
+        }
+
+        $this->_cur = $this->_cur->get_next_sibling();
+        $this->_num++;
+        return $ret;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Frame/FrameList~20171216-130154.php

@@ -0,0 +1,35 @@
+<?php
+namespace Dompdf\Frame;
+
+use Dompdf\Frame;
+use IteratorAggregate;
+
+/**
+ * Linked-list IteratorAggregate
+ *
+ * @access private
+ * @package dompdf
+ */
+class FrameList implements IteratorAggregate
+{
+    /**
+     * @var Frame
+     */
+    protected $_frame;
+
+    /**
+     * @param Frame $frame
+     */
+    function __construct($frame)
+    {
+        $this->_frame = $frame;
+    }
+
+    /**
+     * @return FrameListIterator
+     */
+    function getIterator()
+    {
+        return new FrameListIterator($this->_frame);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Frame/FrameTreeIterator~20171216-130154.php

@@ -0,0 +1,96 @@
+<?php
+namespace Dompdf\Frame;
+
+use Iterator;
+use Dompdf\Frame;
+
+/**
+ * Pre-order Iterator
+ *
+ * Returns frames in preorder traversal order (parent then children)
+ *
+ * @access private
+ * @package dompdf
+ */
+class FrameTreeIterator implements Iterator
+{
+    /**
+     * @var Frame
+     */
+    protected $_root;
+
+    /**
+     * @var array
+     */
+    protected $_stack = array();
+
+    /**
+     * @var int
+     */
+    protected $_num;
+
+    /**
+     * @param Frame $root
+     */
+    public function __construct(Frame $root)
+    {
+        $this->_stack[] = $this->_root = $root;
+        $this->_num = 0;
+    }
+
+    /**
+     *
+     */
+    public function rewind()
+    {
+        $this->_stack = array($this->_root);
+        $this->_num = 0;
+    }
+
+    /**
+     * @return bool
+     */
+    public function valid()
+    {
+        return count($this->_stack) > 0;
+    }
+
+    /**
+     * @return int
+     */
+    public function key()
+    {
+        return $this->_num;
+    }
+
+    /**
+     * @return Frame
+     */
+    public function current()
+    {
+        return end($this->_stack);
+    }
+
+    /**
+     * @return Frame
+     */
+    public function next()
+    {
+        $b = end($this->_stack);
+
+        // Pop last element
+        unset($this->_stack[key($this->_stack)]);
+        $this->_num++;
+
+        // Push all children onto the stack in reverse order
+        if ($c = $b->get_last_child()) {
+            $this->_stack[] = $c;
+            while ($c = $c->get_prev_sibling()) {
+                $this->_stack[] = $c;
+            }
+        }
+
+        return $b;
+    }
+}
+

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Frame/FrameTreeList~20171216-130154.php

@@ -0,0 +1,35 @@
+<?php
+namespace Dompdf\Frame;
+
+use IteratorAggregate;
+use Dompdf\Frame;
+
+/**
+ * Pre-order IteratorAggregate
+ *
+ * @access private
+ * @package dompdf
+ */
+class FrameTreeList implements IteratorAggregate
+{
+    /**
+     * @var \Dompdf\Frame
+     */
+    protected $_root;
+
+    /**
+     * @param \Dompdf\Frame $root
+     */
+    public function __construct(Frame $root)
+    {
+        $this->_root = $root;
+    }
+
+    /**
+     * @return FrameTreeIterator
+     */
+    public function getIterator()
+    {
+        return new FrameTreeIterator($this->_root);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Frame/FrameTree~20171216-130154.php

@@ -0,0 +1,316 @@
+<?php
+
+namespace Dompdf\Frame;
+
+use DOMDocument;
+use DOMNode;
+use DOMElement;
+use DOMXPath;
+
+use Dompdf\Exception;
+use Dompdf\Frame;
+
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+/**
+ * Represents an entire document as a tree of frames
+ *
+ * The FrameTree consists of {@link Frame} objects each tied to specific
+ * DOMNode objects in a specific DomDocument.  The FrameTree has the same
+ * structure as the DomDocument, but adds additional capabalities for
+ * styling and layout.
+ *
+ * @package dompdf
+ */
+class FrameTree
+{
+    /**
+     * Tags to ignore while parsing the tree
+     *
+     * @var array
+     */
+    protected static $HIDDEN_TAGS = array(
+        "area",
+        "base",
+        "basefont",
+        "head",
+        "style",
+        "meta",
+        "title",
+        "colgroup",
+        "noembed",
+        "param",
+        "#comment"
+    );
+
+    /**
+     * The main DomDocument
+     *
+     * @see http://ca2.php.net/manual/en/ref.dom.php
+     * @var DOMDocument
+     */
+    protected $_dom;
+
+    /**
+     * The root node of the FrameTree.
+     *
+     * @var Frame
+     */
+    protected $_root;
+
+    /**
+     * Subtrees of absolutely positioned elements
+     *
+     * @var array of Frames
+     */
+    protected $_absolute_frames;
+
+    /**
+     * A mapping of {@link Frame} objects to DOMNode objects
+     *
+     * @var array
+     */
+    protected $_registry;
+
+    /**
+     * Class constructor
+     *
+     * @param DOMDocument $dom the main DomDocument object representing the current html document
+     */
+    public function __construct(DomDocument $dom)
+    {
+        $this->_dom = $dom;
+        $this->_root = null;
+        $this->_registry = array();
+    }
+
+    /**
+     * Returns the DOMDocument object representing the curent html document
+     *
+     * @return DOMDocument
+     */
+    public function get_dom()
+    {
+        return $this->_dom;
+    }
+
+    /**
+     * Returns the root frame of the tree
+     *
+     * @return Frame
+     */
+    public function get_root()
+    {
+        return $this->_root;
+    }
+
+    /**
+     * Returns a specific frame given its id
+     *
+     * @param string $id
+     *
+     * @return Frame|null
+     */
+    public function get_frame($id)
+    {
+        return isset($this->_registry[$id]) ? $this->_registry[$id] : null;
+    }
+
+    /**
+     * Returns a post-order iterator for all frames in the tree
+     *
+     * @return FrameTreeList|Frame[]
+     */
+    public function get_frames()
+    {
+        return new FrameTreeList($this->_root);
+    }
+
+    /**
+     * Builds the tree
+     */
+    public function build_tree()
+    {
+        $html = $this->_dom->getElementsByTagName("html")->item(0);
+        if (is_null($html)) {
+            $html = $this->_dom->firstChild;
+        }
+
+        if (is_null($html)) {
+            throw new Exception("Requested HTML document contains no data.");
+        }
+
+        $this->fix_tables();
+
+        $this->_root = $this->_build_tree_r($html);
+    }
+
+    /**
+     * Adds missing TBODYs around TR
+     */
+    protected function fix_tables()
+    {
+        $xp = new DOMXPath($this->_dom);
+
+        // Move table caption before the table
+        // FIXME find a better way to deal with it...
+        $captions = $xp->query('//table/caption');
+        foreach ($captions as $caption) {
+            $table = $caption->parentNode;
+            $table->parentNode->insertBefore($caption, $table);
+        }
+
+        $firstRows = $xp->query('//table/tr[1]');
+        /** @var DOMElement $tableChild */
+        foreach ($firstRows as $tableChild) {
+            $tbody = $this->_dom->createElement('tbody');
+            $tableNode = $tableChild->parentNode;
+            do {
+                if ($tableChild->nodeName === 'tr') {
+                    $tmpNode = $tableChild;
+                    $tableChild = $tableChild->nextSibling;
+                    $tableNode->removeChild($tmpNode);
+                    $tbody->appendChild($tmpNode);
+                } else {
+                    if ($tbody->hasChildNodes() === true) {
+                        $tableNode->insertBefore($tbody, $tableChild);
+                        $tbody = $this->_dom->createElement('tbody');
+                    }
+                    $tableChild = $tableChild->nextSibling;
+                }
+            } while ($tableChild);
+            if ($tbody->hasChildNodes() === true) {
+                $tableNode->appendChild($tbody);
+            }
+        }
+    }
+
+    // FIXME: temporary hack, preferably we will improve rendering of sequential #text nodes
+    /**
+     * Remove a child from a node
+     *
+     * Remove a child from a node. If the removed node results in two
+     * adjacent #text nodes then combine them.
+     *
+     * @param DOMNode $node the current DOMNode being considered
+     * @param array $children an array of nodes that are the children of $node
+     * @param int $index index from the $children array of the node to remove
+     */
+    protected function _remove_node(DOMNode $node, array &$children, $index)
+    {
+        $child = $children[$index];
+        $previousChild = $child->previousSibling;
+        $nextChild = $child->nextSibling;
+        $node->removeChild($child);
+        if (isset($previousChild, $nextChild)) {
+            if ($previousChild->nodeName === "#text" && $nextChild->nodeName === "#text")
+            {
+                $previousChild->nodeValue .= $nextChild->nodeValue;
+                $this->_remove_node($node, $children, $index+1);
+            }
+        }
+        array_splice($children, $index, 1);
+    }
+
+    /**
+     * Recursively adds {@link Frame} objects to the tree
+     *
+     * Recursively build a tree of Frame objects based on a dom tree.
+     * No layout information is calculated at this time, although the
+     * tree may be adjusted (i.e. nodes and frames for generated content
+     * and images may be created).
+     *
+     * @param DOMNode $node the current DOMNode being considered
+     *
+     * @return Frame
+     */
+    protected function _build_tree_r(DOMNode $node)
+    {
+        $frame = new Frame($node);
+        $id = $frame->get_id();
+        $this->_registry[$id] = $frame;
+
+        if (!$node->hasChildNodes()) {
+            return $frame;
+        }
+
+        // Store the children in an array so that the tree can be modified
+        $children = array();
+        $length = $node->childNodes->length;
+        for ($i = 0; $i < $length; $i++) {
+            $children[] = $node->childNodes->item($i);
+        }
+        $index = 0;
+        // INFO: We don't advance $index if a node is removed to avoid skipping nodes
+        while ($index < count($children)) {
+            $child = $children[$index];
+            $nodeName = strtolower($child->nodeName);
+
+            // Skip non-displaying nodes
+            if (in_array($nodeName, self::$HIDDEN_TAGS)) {
+                if ($nodeName !== "head" && $nodeName !== "style") {
+                    $this->_remove_node($node, $children, $index);
+                } else {
+                    $index++;
+                }
+                continue;
+            }
+            // Skip empty text nodes
+            if ($nodeName === "#text" && $child->nodeValue === "") {
+                $this->_remove_node($node, $children, $index);
+                continue;
+            }
+            // Skip empty image nodes
+            if ($nodeName === "img" && $child->getAttribute("src") === "") {
+                $this->_remove_node($node, $children, $index);
+                continue;
+            }
+
+            if (is_object($child)) {
+                $frame->append_child($this->_build_tree_r($child), false);
+            }
+            $index++;
+        }
+
+        return $frame;
+    }
+
+    /**
+     * @param DOMElement $node
+     * @param DOMElement $new_node
+     * @param string $pos
+     *
+     * @return mixed
+     */
+    public function insert_node(DOMElement $node, DOMElement $new_node, $pos)
+    {
+        if ($pos === "after" || !$node->firstChild) {
+            $node->appendChild($new_node);
+        } else {
+            $node->insertBefore($new_node, $node->firstChild);
+        }
+
+        $this->_build_tree_r($new_node);
+
+        $frame_id = $new_node->getAttribute("frame_id");
+        $frame = $this->get_frame($frame_id);
+
+        $parent_id = $node->getAttribute("frame_id");
+        $parent = $this->get_frame($parent_id);
+
+        if ($parent) {
+            if ($pos === "before") {
+                $parent->prepend_child($frame, false);
+            } else {
+                $parent->append_child($frame, false);
+            }
+        }
+
+        return $frame_id;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/AbstractFrameDecorator~20171216-130154.php

@@ -0,0 +1,913 @@
+<?php
+
+namespace Dompdf\FrameDecorator;
+
+use DOMElement;
+use DOMNode;
+use DOMText;
+use Dompdf\Helpers;
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\Frame\FrameTreeList;
+use Dompdf\Frame\Factory;
+use Dompdf\FrameReflower\AbstractFrameReflower;
+use Dompdf\Css\Style;
+use Dompdf\Positioner\AbstractPositioner;
+use Dompdf\Exception;
+
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+/**
+ * Base AbstractFrameDecorator class
+ *
+ * @package dompdf
+ */
+abstract class AbstractFrameDecorator extends Frame
+{
+    const DEFAULT_COUNTER = "-dompdf-default-counter";
+
+    public $_counters = array(); // array([id] => counter_value) (for generated content)
+
+    /**
+     * The root node of the DOM tree
+     *
+     * @var Frame
+     */
+    protected $_root;
+
+    /**
+     * The decorated frame
+     *
+     * @var Frame
+     */
+    protected $_frame;
+
+    /**
+     * AbstractPositioner object used to position this frame (Strategy pattern)
+     *
+     * @var AbstractPositioner
+     */
+    protected $_positioner;
+
+    /**
+     * Reflower object used to calculate frame dimensions (Strategy pattern)
+     *
+     * @var \Dompdf\FrameReflower\AbstractFrameReflower
+     */
+    protected $_reflower;
+
+    /**
+     * Reference to the current dompdf instance
+     *
+     * @var Dompdf
+     */
+    protected $_dompdf;
+
+    /**
+     * First block parent
+     *
+     * @var Block
+     */
+    private $_block_parent;
+
+    /**
+     * First positionned parent (position: relative | absolute | fixed)
+     *
+     * @var AbstractFrameDecorator
+     */
+    private $_positionned_parent;
+
+    /**
+     * Cache for the get_parent wehile loop results
+     *
+     * @var Frame
+     */
+    private $_cached_parent;
+
+    /**
+     * Class constructor
+     *
+     * @param Frame $frame   The decoration target
+     * @param Dompdf $dompdf The Dompdf object
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        $this->_frame = $frame;
+        $this->_root = null;
+        $this->_dompdf = $dompdf;
+        $frame->set_decorator($this);
+    }
+
+    /**
+     * "Destructor": foribly free all references held by this object
+     *
+     * @param bool $recursive if true, call dispose on all children
+     */
+    function dispose($recursive = false)
+    {
+        if ($recursive) {
+            while ($child = $this->get_first_child()) {
+                $child->dispose(true);
+            }
+        }
+
+        $this->_root = null;
+        unset($this->_root);
+
+        $this->_frame->dispose(true);
+        $this->_frame = null;
+        unset($this->_frame);
+
+        $this->_positioner = null;
+        unset($this->_positioner);
+
+        $this->_reflower = null;
+        unset($this->_reflower);
+    }
+
+    /**
+     * Return a copy of this frame with $node as its node
+     *
+     * @param DOMNode $node
+     *
+     * @return Frame
+     */
+    function copy(DOMNode $node)
+    {
+        $frame = new Frame($node);
+        $frame->set_style(clone $this->_frame->get_original_style());
+
+        return Factory::decorate_frame($frame, $this->_dompdf, $this->_root);
+    }
+
+    /**
+     * Create a deep copy: copy this node and all children
+     *
+     * @return Frame
+     */
+    function deep_copy()
+    {
+        $node = $this->_frame->get_node();
+
+        if ($node instanceof DOMElement && $node->hasAttribute("id")) {
+            $node->setAttribute("data-dompdf-original-id", $node->getAttribute("id"));
+            $node->removeAttribute("id");
+        }
+
+        $frame = new Frame($node->cloneNode());
+        $frame->set_style(clone $this->_frame->get_original_style());
+
+        $deco = Factory::decorate_frame($frame, $this->_dompdf, $this->_root);
+
+        foreach ($this->get_children() as $child) {
+            $deco->append_child($child->deep_copy());
+        }
+
+        return $deco;
+    }
+
+    /**
+     * Delegate calls to decorated frame object
+     */
+    function reset()
+    {
+        $this->_frame->reset();
+
+        $this->_counters = array();
+
+        $this->_cached_parent = null; //clear get_parent() cache
+
+        // Reset all children
+        foreach ($this->get_children() as $child) {
+            $child->reset();
+        }
+    }
+
+    // Getters -----------
+
+    /**
+     * @return string
+     */
+    function get_id()
+    {
+        return $this->_frame->get_id();
+    }
+
+    /**
+     * @return Frame
+     */
+    function get_frame()
+    {
+        return $this->_frame;
+    }
+
+    /**
+     * @return DOMElement|DOMText
+     */
+    function get_node()
+    {
+        return $this->_frame->get_node();
+    }
+
+    /**
+     * @return Style
+     */
+    function get_style()
+    {
+        return $this->_frame->get_style();
+    }
+
+    /**
+     * @return Style
+     */
+    function get_original_style()
+    {
+        return $this->_frame->get_original_style();
+    }
+
+    /**
+     * @param integer $i
+     *
+     * @return array|float
+     */
+    function get_containing_block($i = null)
+    {
+        return $this->_frame->get_containing_block($i);
+    }
+
+    /**
+     * @param integer $i
+     *
+     * @return array|float
+     */
+    function get_position($i = null)
+    {
+        return $this->_frame->get_position($i);
+    }
+
+    /**
+     * @return Dompdf
+     */
+    function get_dompdf()
+    {
+        return $this->_dompdf;
+    }
+
+    /**
+     * @return float
+     */
+    function get_margin_height()
+    {
+        return $this->_frame->get_margin_height();
+    }
+
+    /**
+     * @return float
+     */
+    function get_margin_width()
+    {
+        return $this->_frame->get_margin_width();
+    }
+
+    /**
+     * @return array
+     */
+    function get_content_box()
+    {
+        return $this->_frame->get_content_box();
+    }
+
+    /**
+     * @return array
+     */
+    function get_padding_box()
+    {
+        return $this->_frame->get_padding_box();
+    }
+
+    /**
+     * @return array
+     */
+    function get_border_box()
+    {
+        return $this->_frame->get_border_box();
+    }
+
+    /**
+     * @param integer $id
+     */
+    function set_id($id)
+    {
+        $this->_frame->set_id($id);
+    }
+
+    /**
+     * @param Style $style
+     */
+    function set_style(Style $style)
+    {
+        $this->_frame->set_style($style);
+    }
+
+    /**
+     * @param float $x
+     * @param float $y
+     * @param float $w
+     * @param float $h
+     */
+    function set_containing_block($x = null, $y = null, $w = null, $h = null)
+    {
+        $this->_frame->set_containing_block($x, $y, $w, $h);
+    }
+
+    /**
+     * @param float $x
+     * @param float $y
+     */
+    function set_position($x = null, $y = null)
+    {
+        $this->_frame->set_position($x, $y);
+    }
+
+    /**
+     * @return bool
+     */
+    function is_auto_height()
+    {
+        return $this->_frame->is_auto_height();
+    }
+
+    /**
+     * @return bool
+     */
+    function is_auto_width()
+    {
+        return $this->_frame->is_auto_width();
+    }
+
+    /**
+     * @return string
+     */
+    function __toString()
+    {
+        return $this->_frame->__toString();
+    }
+
+    /**
+     * @param Frame $child
+     * @param bool $update_node
+     */
+    function prepend_child(Frame $child, $update_node = true)
+    {
+        while ($child instanceof AbstractFrameDecorator) {
+            $child = $child->_frame;
+        }
+
+        $this->_frame->prepend_child($child, $update_node);
+    }
+
+    /**
+     * @param Frame $child
+     * @param bool $update_node
+     */
+    function append_child(Frame $child, $update_node = true)
+    {
+        while ($child instanceof AbstractFrameDecorator) {
+            $child = $child->_frame;
+        }
+
+        $this->_frame->append_child($child, $update_node);
+    }
+
+    /**
+     * @param Frame $new_child
+     * @param Frame $ref
+     * @param bool $update_node
+     */
+    function insert_child_before(Frame $new_child, Frame $ref, $update_node = true)
+    {
+        while ($new_child instanceof AbstractFrameDecorator) {
+            $new_child = $new_child->_frame;
+        }
+
+        if ($ref instanceof AbstractFrameDecorator) {
+            $ref = $ref->_frame;
+        }
+
+        $this->_frame->insert_child_before($new_child, $ref, $update_node);
+    }
+
+    /**
+     * @param Frame $new_child
+     * @param Frame $ref
+     * @param bool $update_node
+     */
+    function insert_child_after(Frame $new_child, Frame $ref, $update_node = true)
+    {
+        $insert_frame = $new_child;
+        while ($insert_frame instanceof AbstractFrameDecorator) {
+            $insert_frame = $insert_frame->_frame;
+        }
+
+        $reference_frame = $ref;
+        while ($reference_frame instanceof AbstractFrameDecorator) {
+            $reference_frame = $reference_frame->_frame;
+        }
+
+        $this->_frame->insert_child_after($insert_frame, $reference_frame, $update_node);
+    }
+
+    /**
+     * @param Frame $child
+     * @param bool $update_node
+     *
+     * @return Frame
+     */
+    function remove_child(Frame $child, $update_node = true)
+    {
+        while ($child instanceof AbstractFrameDecorator) {
+            $child = $child->_frame;
+        }
+
+        return $this->_frame->remove_child($child, $update_node);
+    }
+
+    /**
+     * @return AbstractFrameDecorator
+     */
+    function get_parent($use_cache = true)
+    {
+        if ($use_cache && $this->_cached_parent) {
+            return $this->_cached_parent;
+        }
+        $p = $this->_frame->get_parent();
+        if ($p && $deco = $p->get_decorator()) {
+            while ($tmp = $deco->get_decorator()) {
+                $deco = $tmp;
+            }
+
+            return $this->_cached_parent = $deco;
+        } else {
+            return $this->_cached_parent = $p;
+        }
+    }
+
+    /**
+     * @return AbstractFrameDecorator
+     */
+    function get_first_child()
+    {
+        $c = $this->_frame->get_first_child();
+        if ($c && $deco = $c->get_decorator()) {
+            while ($tmp = $deco->get_decorator()) {
+                $deco = $tmp;
+            }
+
+            return $deco;
+        } else {
+            if ($c) {
+                return $c;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return AbstractFrameDecorator
+     */
+    function get_last_child()
+    {
+        $c = $this->_frame->get_last_child();
+        if ($c && $deco = $c->get_decorator()) {
+            while ($tmp = $deco->get_decorator()) {
+                $deco = $tmp;
+            }
+
+            return $deco;
+        } else {
+            if ($c) {
+                return $c;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return AbstractFrameDecorator
+     */
+    function get_prev_sibling()
+    {
+        $s = $this->_frame->get_prev_sibling();
+        if ($s && $deco = $s->get_decorator()) {
+            while ($tmp = $deco->get_decorator()) {
+                $deco = $tmp;
+            }
+
+            return $deco;
+        } else {
+            if ($s) {
+                return $s;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return AbstractFrameDecorator
+     */
+    function get_next_sibling()
+    {
+        $s = $this->_frame->get_next_sibling();
+        if ($s && $deco = $s->get_decorator()) {
+            while ($tmp = $deco->get_decorator()) {
+                $deco = $tmp;
+            }
+
+            return $deco;
+        } else {
+            if ($s) {
+                return $s;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return FrameTreeList
+     */
+    function get_subtree()
+    {
+        return new FrameTreeList($this);
+    }
+
+    function set_positioner(AbstractPositioner $posn)
+    {
+        $this->_positioner = $posn;
+        if ($this->_frame instanceof AbstractFrameDecorator) {
+            $this->_frame->set_positioner($posn);
+        }
+    }
+
+    function set_reflower(AbstractFrameReflower $reflower)
+    {
+        $this->_reflower = $reflower;
+        if ($this->_frame instanceof AbstractFrameDecorator) {
+            $this->_frame->set_reflower($reflower);
+        }
+    }
+
+    /**
+     * @return \Dompdf\FrameReflower\AbstractFrameReflower
+     */
+    function get_reflower()
+    {
+        return $this->_reflower;
+    }
+
+    /**
+     * @param Frame $root
+     */
+    function set_root(Frame $root)
+    {
+        $this->_root = $root;
+
+        if ($this->_frame instanceof AbstractFrameDecorator) {
+            $this->_frame->set_root($root);
+        }
+    }
+
+    /**
+     * @return Page
+     */
+    function get_root()
+    {
+        return $this->_root;
+    }
+
+    /**
+     * @return Block
+     */
+    function find_block_parent()
+    {
+        // Find our nearest block level parent
+        $p = $this->get_parent();
+
+        while ($p) {
+            if ($p->is_block()) {
+                break;
+            }
+
+            $p = $p->get_parent();
+        }
+
+        return $this->_block_parent = $p;
+    }
+
+    /**
+     * @return AbstractFrameDecorator
+     */
+    function find_positionned_parent()
+    {
+        // Find our nearest relative positionned parent
+        $p = $this->get_parent();
+        while ($p) {
+            if ($p->is_positionned()) {
+                break;
+            }
+
+            $p = $p->get_parent();
+        }
+
+        if (!$p) {
+            $p = $this->_root->get_first_child(); // <body>
+        }
+
+        return $this->_positionned_parent = $p;
+    }
+
+    /**
+     * split this frame at $child.
+     * The current frame is cloned and $child and all children following
+     * $child are added to the clone.  The clone is then passed to the
+     * current frame's parent->split() method.
+     *
+     * @param Frame $child
+     * @param boolean $force_pagebreak
+     *
+     * @throws Exception
+     * @return void
+     */
+    function split(Frame $child = null, $force_pagebreak = false)
+    {
+        // decrement any counters that were incremented on the current node, unless that node is the body
+        $style = $this->_frame->get_style();
+        if (
+            $this->_frame->get_node()->nodeName !== "body" &&
+            $style->counter_increment &&
+            ($decrement = $style->counter_increment) !== "none"
+        ) {
+            $this->decrement_counters($decrement);
+        }
+
+        if (is_null($child)) {
+            // check for counter increment on :before content (always a child of the selected element @link AbstractFrameReflower::_set_content)
+            // this can push the current node to the next page before counter rules have bubbled up (but only if
+            // it's been rendered, thus the position check)
+            if (!$this->is_text_node() && $this->get_node()->hasAttribute("dompdf_before_frame_id")) {
+                foreach ($this->_frame->get_children() as $child) {
+                    if (
+                        $this->get_node()->getAttribute("dompdf_before_frame_id") == $child->get_id() &&
+                        $child->get_position('x') !== null
+                    ) {
+                        $style = $child->get_style();
+                        if ($style->counter_increment && ($decrement = $style->counter_increment) !== "none") {
+                            $this->decrement_counters($decrement);
+                        }
+                    }
+                }
+            }
+            $this->get_parent()->split($this, $force_pagebreak);
+
+            return;
+        }
+
+        if ($child->get_parent() !== $this) {
+            throw new Exception("Unable to split: frame is not a child of this one.");
+        }
+
+        $node = $this->_frame->get_node();
+
+        if ($node instanceof DOMElement && $node->hasAttribute("id")) {
+            $node->setAttribute("data-dompdf-original-id", $node->getAttribute("id"));
+            $node->removeAttribute("id");
+        }
+
+        $split = $this->copy($node->cloneNode());
+        $split->reset();
+        $split->get_original_style()->text_indent = 0;
+        $split->_splitted = true;
+
+        // The body's properties must be kept
+        if ($node->nodeName !== "body") {
+            // Style reset on the first and second parts
+            $style = $this->_frame->get_style();
+            $style->margin_bottom = 0;
+            $style->padding_bottom = 0;
+            $style->border_bottom = 0;
+
+            // second
+            $orig_style = $split->get_original_style();
+            $orig_style->text_indent = 0;
+            $orig_style->margin_top = 0;
+            $orig_style->padding_top = 0;
+            $orig_style->border_top = 0;
+            $orig_style->page_break_before = "auto";
+        }
+
+        // recalculate the float offsets after paging
+        $this->get_parent()->insert_child_after($split, $this);
+        if ($this instanceof Block) {
+            foreach ($this->get_line_boxes() as $index => $line_box) {
+                $line_box->get_float_offsets();
+            }
+        }
+
+        // Add $frame and all following siblings to the new split node
+        $iter = $child;
+        while ($iter) {
+            $frame = $iter;
+            $iter = $iter->get_next_sibling();
+            $frame->reset();
+            $frame->_parent = $split;
+            $split->append_child($frame);
+
+            // recalculate the float offsets
+            if ($frame instanceof Block) {
+                foreach ($frame->get_line_boxes() as $index => $line_box) {
+                    $line_box->get_float_offsets();
+                }
+            }
+        }
+
+        $this->get_parent()->split($split, $force_pagebreak);
+
+        // If this node resets a counter save the current value to use when rendering on the next page
+        if ($style->counter_reset && ($reset = $style->counter_reset) !== "none") {
+            $vars = preg_split('/\s+/', trim($reset), 2);
+            $split->_counters['__' . $vars[0]] = $this->lookup_counter_frame($vars[0])->_counters[$vars[0]];
+        }
+    }
+
+    /**
+     * @param string $id
+     * @param int $value
+     */
+    function reset_counter($id = self::DEFAULT_COUNTER, $value = 0)
+    {
+        $this->get_parent()->_counters[$id] = intval($value);
+    }
+
+    /**
+     * @param $counters
+     */
+    function decrement_counters($counters)
+    {
+        foreach ($counters as $id => $increment) {
+            $this->increment_counter($id, intval($increment) * -1);
+        }
+    }
+
+    /**
+     * @param $counters
+     */
+    function increment_counters($counters)
+    {
+        foreach ($counters as $id => $increment) {
+            $this->increment_counter($id, intval($increment));
+        }
+    }
+
+    /**
+     * @param string $id
+     * @param int $increment
+     */
+    function increment_counter($id = self::DEFAULT_COUNTER, $increment = 1)
+    {
+        $counter_frame = $this->lookup_counter_frame($id);
+
+        if ($counter_frame) {
+            if (!isset($counter_frame->_counters[$id])) {
+                $counter_frame->_counters[$id] = 0;
+            }
+
+            $counter_frame->_counters[$id] += $increment;
+        }
+    }
+
+    /**
+     * @param string $id
+     * @return AbstractFrameDecorator|null
+     */
+    function lookup_counter_frame($id = self::DEFAULT_COUNTER)
+    {
+        $f = $this->get_parent();
+
+        while ($f) {
+            if (isset($f->_counters[$id])) {
+                return $f;
+            }
+            $fp = $f->get_parent();
+
+            if (!$fp) {
+                return $f;
+            }
+
+            $f = $fp;
+        }
+
+        return null;
+    }
+
+    /**
+     * @param string $id
+     * @param string $type
+     * @return bool|string
+     *
+     * TODO: What version is the best : this one or the one in ListBullet ?
+     */
+    function counter_value($id = self::DEFAULT_COUNTER, $type = "decimal")
+    {
+        $type = mb_strtolower($type);
+
+        if (!isset($this->_counters[$id])) {
+            $this->_counters[$id] = 0;
+        }
+
+        $value = $this->_counters[$id];
+
+        switch ($type) {
+            default:
+            case "decimal":
+                return $value;
+
+            case "decimal-leading-zero":
+                return str_pad($value, 2, "0", STR_PAD_LEFT);
+
+            case "lower-roman":
+                return Helpers::dec2roman($value);
+
+            case "upper-roman":
+                return mb_strtoupper(Helpers::dec2roman($value));
+
+            case "lower-latin":
+            case "lower-alpha":
+                return chr(($value % 26) + ord('a') - 1);
+
+            case "upper-latin":
+            case "upper-alpha":
+                return chr(($value % 26) + ord('A') - 1);
+
+            case "lower-greek":
+                return Helpers::unichr($value + 944);
+
+            case "upper-greek":
+                return Helpers::unichr($value + 912);
+        }
+    }
+
+    /**
+     *
+     */
+    final function position()
+    {
+        $this->_positioner->position($this);
+    }
+
+    /**
+     * @param $offset_x
+     * @param $offset_y
+     * @param bool $ignore_self
+     */
+    final function move($offset_x, $offset_y, $ignore_self = false)
+    {
+        $this->_positioner->move($this, $offset_x, $offset_y, $ignore_self);
+    }
+
+    /**
+     * @param Block|null $block
+     */
+    final function reflow(Block $block = null)
+    {
+        // Uncomment this to see the frames before they're laid out, instead of
+        // during rendering.
+        //echo $this->_frame; flush();
+        $this->_reflower->reflow($block);
+    }
+
+    /**
+     * @return array
+     */
+    final function get_min_max_width()
+    {
+        return $this->_reflower->get_min_max_width();
+    }
+
+    /**
+     * Determine current frame width based on contents
+     *
+     * @return float
+     */
+    final function calculate_auto_width()
+    {
+        return $this->_reflower->calculate_auto_width();
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/Block~20171216-130154.php

@@ -0,0 +1,286 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\LineBox;
+
+/**
+ * Decorates frames for block layout
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Block extends AbstractFrameDecorator
+{
+    /**
+     * Current line index
+     *
+     * @var int
+     */
+    protected $_cl;
+
+    /**
+     * The block's line boxes
+     *
+     * @var LineBox[]
+     */
+    protected $_line_boxes;
+
+    /**
+     * Block constructor.
+     * @param Frame $frame
+     * @param Dompdf $dompdf
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+
+        $this->_line_boxes = array(new LineBox($this));
+        $this->_cl = 0;
+    }
+
+    /**
+     *
+     */
+    function reset()
+    {
+        parent::reset();
+
+        $this->_line_boxes = array(new LineBox($this));
+        $this->_cl = 0;
+    }
+
+    /**
+     * @return LineBox
+     */
+    function get_current_line_box()
+    {
+        return $this->_line_boxes[$this->_cl];
+    }
+
+    /**
+     * @return integer
+     */
+    function get_current_line_number()
+    {
+        return $this->_cl;
+    }
+
+    /**
+     * @return LineBox[]
+     */
+    function get_line_boxes()
+    {
+        return $this->_line_boxes;
+    }
+
+    /**
+     * @param integer $line_number
+     * @return integer
+     */
+    function set_current_line_number($line_number)
+    {
+        $line_boxes_count = count($this->_line_boxes);
+        $cl = max(min($line_number, $line_boxes_count), 0);
+        return ($this->_cl = $line_number);
+    }
+
+    /**
+     * @param integer $i
+     */
+    function clear_line($i)
+    {
+        if (isset($this->_line_boxes[$i])) {
+            unset($this->_line_boxes[$i]);
+        }
+    }
+
+    /**
+     * @param Frame $frame
+     */
+    function add_frame_to_line(Frame $frame)
+    {
+        if (!$frame->is_in_flow()) {
+            return;
+        }
+
+        $style = $frame->get_style();
+
+        $frame->set_containing_line($this->_line_boxes[$this->_cl]);
+
+        /*
+        // Adds a new line after a block, only if certain conditions are met
+        if ((($frame instanceof Inline && $frame->get_node()->nodeName !== "br") ||
+              $frame instanceof Text && trim($frame->get_text())) &&
+            ($frame->get_prev_sibling() && $frame->get_prev_sibling()->get_style()->display === "block" &&
+             $this->_line_boxes[$this->_cl]->w > 0 )) {
+
+               $this->maximize_line_height( $style->length_in_pt($style->line_height), $frame );
+               $this->add_line();
+
+               // Add each child of the inline frame to the line individually
+               foreach ($frame->get_children() as $child)
+                 $this->add_frame_to_line( $child );
+        }
+        else*/
+
+        // Handle inline frames (which are effectively wrappers)
+        if ($frame instanceof Inline) {
+
+            // Handle line breaks
+            if ($frame->get_node()->nodeName === "br") {
+                $this->maximize_line_height($style->length_in_pt($style->line_height), $frame);
+                $this->add_line(true);
+            }
+
+            return;
+        }
+
+        // Trim leading text if this is an empty line.  Kinda a hack to put it here,
+        // but what can you do...
+        if ($this->get_current_line_box()->w == 0 &&
+            $frame->is_text_node() &&
+            !$frame->is_pre()
+        ) {
+
+            $frame->set_text(ltrim($frame->get_text()));
+            $frame->recalculate_width();
+        }
+
+        $w = $frame->get_margin_width();
+
+        // FIXME: Why? Doesn't quite seem to be the correct thing to do,
+        // but does appear to be necessary. Hack to handle wrapped white space?
+        if ($w == 0 && $frame->get_node()->nodeName !== "hr") {
+            return;
+        }
+
+        // Debugging code:
+        /*
+        Helpers::pre_r("\n<h3>Adding frame to line:</h3>");
+
+        //    Helpers::pre_r("Me: " . $this->get_node()->nodeName . " (" . spl_object_hash($this->get_node()) . ")");
+        //    Helpers::pre_r("Node: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")");
+        if ( $frame->is_text_node() )
+          Helpers::pre_r('"'.$frame->get_node()->nodeValue.'"');
+
+        Helpers::pre_r("Line width: " . $this->_line_boxes[$this->_cl]->w);
+        Helpers::pre_r("Frame: " . get_class($frame));
+        Helpers::pre_r("Frame width: "  . $w);
+        Helpers::pre_r("Frame height: " . $frame->get_margin_height());
+        Helpers::pre_r("Containing block width: " . $this->get_containing_block("w"));
+        */
+        // End debugging
+
+        $line = $this->_line_boxes[$this->_cl];
+        if ($line->left + $line->w + $line->right + $w > $this->get_containing_block("w")) {
+            $this->add_line();
+        }
+
+        $frame->position();
+
+        $current_line = $this->_line_boxes[$this->_cl];
+        $current_line->add_frame($frame);
+
+        if ($frame->is_text_node()) {
+            $current_line->wc += count(preg_split("/\s+/", trim($frame->get_text())));
+        }
+
+        $this->increase_line_width($w);
+
+        $this->maximize_line_height($frame->get_margin_height(), $frame);
+    }
+
+    /**
+     * @param Frame $frame
+     */
+    function remove_frames_from_line(Frame $frame)
+    {
+        // Search backwards through the lines for $frame
+        $i = $this->_cl;
+        $j = null;
+
+        while ($i >= 0) {
+            if (($j = in_array($frame, $this->_line_boxes[$i]->get_frames(), true)) !== false) {
+                break;
+            }
+
+            $i--;
+        }
+
+        if ($j === false) {
+            return;
+        }
+
+        // Remove $frame and all frames that follow
+        while ($j < count($this->_line_boxes[$i]->get_frames())) {
+            $frames = $this->_line_boxes[$i]->get_frames();
+            $f = $frames[$j];
+            $frames[$j] = null;
+            unset($frames[$j]);
+            $j++;
+            $this->_line_boxes[$i]->w -= $f->get_margin_width();
+        }
+
+        // Recalculate the height of the line
+        $h = 0;
+        foreach ($this->_line_boxes[$i]->get_frames() as $f) {
+            $h = max($h, $f->get_margin_height());
+        }
+
+        $this->_line_boxes[$i]->h = $h;
+
+        // Remove all lines that follow
+        while ($this->_cl > $i) {
+            $this->_line_boxes[$this->_cl] = null;
+            unset($this->_line_boxes[$this->_cl]);
+            $this->_cl--;
+        }
+    }
+
+    /**
+     * @param float $w
+     */
+    function increase_line_width($w)
+    {
+        $this->_line_boxes[$this->_cl]->w += $w;
+    }
+
+    /**
+     * @param $val
+     * @param Frame $frame
+     */
+    function maximize_line_height($val, Frame $frame)
+    {
+        if ($val > $this->_line_boxes[$this->_cl]->h) {
+            $this->_line_boxes[$this->_cl]->tallest_frame = $frame;
+            $this->_line_boxes[$this->_cl]->h = $val;
+        }
+    }
+
+    /**
+     * @param bool $br
+     */
+    function add_line($br = false)
+    {
+
+//     if ( $this->_line_boxes[$this->_cl]["h"] == 0 ) //count($this->_line_boxes[$i]["frames"]) == 0 ||
+//       return;
+
+        $this->_line_boxes[$this->_cl]->br = $br;
+        $y = $this->_line_boxes[$this->_cl]->y + $this->_line_boxes[$this->_cl]->h;
+
+        $new_line = new LineBox($this, $y);
+
+        $this->_line_boxes[++$this->_cl] = $new_line;
+    }
+
+    //........................................................................
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/Image~20171216-130154.php

@@ -0,0 +1,90 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\FontMetrics;
+use Dompdf\Image\Cache;
+
+/**
+ * Decorates frames for image layout and rendering
+ *
+ * @package dompdf
+ */
+class Image extends AbstractFrameDecorator
+{
+
+    /**
+     * The path to the image file (note that remote images are
+     * downloaded locally to Options:tempDir).
+     *
+     * @var string
+     */
+    protected $_image_url;
+
+    /**
+     * The image's file error message
+     *
+     * @var string
+     */
+    protected $_image_msg;
+
+    /**
+     * Class constructor
+     *
+     * @param Frame $frame the frame to decorate
+     * @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls)
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+        $url = $frame->get_node()->getAttribute("src");
+
+        $debug_png = $dompdf->getOptions()->getDebugPng();
+        if ($debug_png) print '[__construct ' . $url . ']';
+
+        list($this->_image_url, /*$type*/, $this->_image_msg) = Cache::resolve_url(
+            $url,
+            $dompdf->getProtocol(),
+            $dompdf->getBaseHost(),
+            $dompdf->getBasePath(),
+            $dompdf
+        );
+
+        if (Cache::is_broken($this->_image_url) &&
+            $alt = $frame->get_node()->getAttribute("alt")
+        ) {
+            $style = $frame->get_style();
+            $style->width = (4 / 3) * $dompdf->getFontMetrics()->getTextWidth($alt, $style->font_family, $style->font_size, $style->word_spacing);
+            $style->height = $dompdf->getFontMetrics()->getFontHeight($style->font_family, $style->font_size);
+        }
+    }
+
+    /**
+     * Return the image's url
+     *
+     * @return string The url of this image
+     */
+    function get_image_url()
+    {
+        return $this->_image_url;
+    }
+
+    /**
+     * Return the image's error message
+     *
+     * @return string The image's error message
+     */
+    function get_image_msg()
+    {
+        return $this->_image_msg;
+    }
+
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/Inline~20171216-130154.php

@@ -0,0 +1,107 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use DOMElement;
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\Exception;
+
+/**
+ * Decorates frames for inline layout
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Inline extends AbstractFrameDecorator
+{
+
+    /**
+     * Inline constructor.
+     * @param Frame $frame
+     * @param Dompdf $dompdf
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+    }
+
+    /**
+     * @param Frame|null $frame
+     * @param bool $force_pagebreak
+     * @throws Exception
+     */
+    function split(Frame $frame = null, $force_pagebreak = false)
+    {
+        if (is_null($frame)) {
+            $this->get_parent()->split($this, $force_pagebreak);
+            return;
+        }
+
+        if ($frame->get_parent() !== $this) {
+            throw new Exception("Unable to split: frame is not a child of this one.");
+        }
+
+        $node = $this->_frame->get_node();
+
+        if ($node instanceof DOMElement && $node->hasAttribute("id")) {
+            $node->setAttribute("data-dompdf-original-id", $node->getAttribute("id"));
+            $node->removeAttribute("id");
+        }
+
+        $split = $this->copy($node->cloneNode());
+        // if this is a generated node don't propagate the content style
+        if ($split->get_node()->nodeName == "dompdf_generated") {
+            $split->get_style()->content = "normal";
+        }
+        $this->get_parent()->insert_child_after($split, $this);
+
+        // Unset the current node's right style properties
+        $style = $this->_frame->get_style();
+        $style->margin_right = 0;
+        $style->padding_right = 0;
+        $style->border_right_width = 0;
+
+        // Unset the split node's left style properties since we don't want them
+        // to propagate
+        $style = $split->get_style();
+        $style->margin_left = 0;
+        $style->padding_left = 0;
+        $style->border_left_width = 0;
+
+        //On continuation of inline element on next line,
+        //don't repeat non-vertically repeatble background images
+        //See e.g. in testcase image_variants, long desriptions
+        if (($url = $style->background_image) && $url !== "none"
+            && ($repeat = $style->background_repeat) && $repeat !== "repeat" && $repeat !== "repeat-y"
+        ) {
+            $style->background_image = "none";
+        }
+
+        // Add $frame and all following siblings to the new split node
+        $iter = $frame;
+        while ($iter) {
+            $frame = $iter;
+            $iter = $iter->get_next_sibling();
+            $frame->reset();
+            $split->append_child($frame);
+        }
+
+        $page_breaks = array("always", "left", "right");
+        $frame_style = $frame->get_style();
+        if ($force_pagebreak ||
+            in_array($frame_style->page_break_before, $page_breaks) ||
+            in_array($frame_style->page_break_after, $page_breaks)
+        ) {
+
+            $this->get_parent()->split($split, true);
+        }
+    }
+
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/ListBulletImage~20171216-130154.php

@@ -0,0 +1,155 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\Helpers;
+
+/**
+ * Decorates frames for list bullets with custom images
+ *
+ * @package dompdf
+ */
+class ListBulletImage extends AbstractFrameDecorator
+{
+
+    /**
+     * The underlying image frame
+     *
+     * @var Image
+     */
+    protected $_img;
+
+    /**
+     * The image's width in pixels
+     *
+     * @var int
+     */
+    protected $_width;
+
+    /**
+     * The image's height in pixels
+     *
+     * @var int
+     */
+    protected $_height;
+
+    /**
+     * Class constructor
+     *
+     * @param Frame $frame   the bullet frame to decorate
+     * @param Dompdf $dompdf the document's dompdf object
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        $style = $frame->get_style();
+        $url = $style->list_style_image;
+        $frame->get_node()->setAttribute("src", $url);
+        $this->_img = new Image($frame, $dompdf);
+        parent::__construct($this->_img, $dompdf);
+        list($width, $height) = Helpers::dompdf_getimagesize($this->_img->get_image_url(), $dompdf->getHttpContext());
+
+        // Resample the bullet image to be consistent with 'auto' sized images
+        // See also Image::get_min_max_width
+        // Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary.
+        $dpi = $this->_dompdf->getOptions()->getDpi();
+        $this->_width = ((float)rtrim($width, "px") * 72) / $dpi;
+        $this->_height = ((float)rtrim($height, "px") * 72) / $dpi;
+
+        //If an image is taller as the containing block/box, the box should be extended.
+        //Neighbour elements are overwriting the overlapping image areas.
+        //Todo: Where can the box size be extended?
+        //Code below has no effect.
+        //See block_frame_reflower _calculate_restricted_height
+        //See generated_frame_reflower, Dompdf:render() "list-item", "-dompdf-list-bullet"S.
+        //Leave for now
+        //if ($style->min_height < $this->_height ) {
+        //  $style->min_height = $this->_height;
+        //}
+        //$style->height = "auto";
+    }
+
+    /**
+     * Return the bullet's width
+     *
+     * @return int
+     */
+    function get_width()
+    {
+        //ignore image width, use same width as on predefined bullet ListBullet
+        //for proper alignment of bullet image and text. Allow image to not fitting on left border.
+        //This controls the distance between bullet image and text
+        //return $this->_width;
+        return $this->_frame->get_style()->get_font_size() * ListBullet::BULLET_SIZE +
+        2 * ListBullet::BULLET_PADDING;
+    }
+
+    /**
+     * Return the bullet's height
+     *
+     * @return int
+     */
+    function get_height()
+    {
+        //based on image height
+        return $this->_height;
+    }
+
+    /**
+     * Override get_margin_width
+     *
+     * @return int
+     */
+    function get_margin_width()
+    {
+        //ignore image width, use same width as on predefined bullet ListBullet
+        //for proper alignment of bullet image and text. Allow image to not fitting on left border.
+        //This controls the extra indentation of text to make room for the bullet image.
+        //Here use actual image size, not predefined bullet size
+        //return $this->_frame->get_style()->get_font_size()*ListBullet::BULLET_SIZE +
+        //  2 * ListBullet::BULLET_PADDING;
+
+        // Small hack to prevent indenting of list text
+        // Image Might not exist, then position like on list_bullet_frame_decorator fallback to none.
+        if ($this->_frame->get_style()->list_style_position === "outside" ||
+            $this->_width == 0
+        )
+            return 0;
+        //This aligns the "inside" image position with the text.
+        //The text starts to the right of the image.
+        //Between the image and the text there is an added margin of image width.
+        //Where this comes from is unknown.
+        //The corresponding ListBullet sets a smaller margin. bullet size?
+        return $this->_width + 2 * ListBullet::BULLET_PADDING;
+    }
+
+    /**
+     * Override get_margin_height()
+     *
+     * @return int
+     */
+    function get_margin_height()
+    {
+        //Hits only on "inset" lists items, to increase height of box
+        //based on image height
+        return $this->_height + 2 * ListBullet::BULLET_PADDING;
+    }
+
+    /**
+     * Return image url
+     *
+     * @return string
+     */
+    function get_image_url()
+    {
+        return $this->_img->get_image_url();
+    }
+
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/ListBullet~20171216-130154.php

@@ -0,0 +1,91 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+
+/**
+ * Decorates frames for list bullet rendering
+ *
+ * @package dompdf
+ */
+class ListBullet extends AbstractFrameDecorator
+{
+
+    const BULLET_PADDING = 1; // Distance from bullet to text in pt
+    // As fraction of font size (including descent). See also DECO_THICKNESS.
+    const BULLET_THICKNESS = 0.04; // Thickness of bullet outline. Screen: 0.08, print: better less, e.g. 0.04
+    const BULLET_DESCENT = 0.3; //descent of font below baseline. Todo: Guessed for now.
+    const BULLET_SIZE = 0.35; // bullet diameter. For now 0.5 of font_size without descent.
+
+    static $BULLET_TYPES = array("disc", "circle", "square");
+
+    /**
+     * ListBullet constructor.
+     * @param Frame $frame
+     * @param Dompdf $dompdf
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+    }
+
+    /**
+     * @return float|int
+     */
+    function get_margin_width()
+    {
+        $style = $this->_frame->get_style();
+
+        // Small hack to prevent extra indenting of list text on list_style_position === "inside"
+        // and on suppressed bullet
+        if ($style->list_style_position === "outside" ||
+            $style->list_style_type === "none"
+        ) {
+            return 0;
+        }
+
+        return $style->get_font_size() * self::BULLET_SIZE + 2 * self::BULLET_PADDING;
+    }
+
+    /**
+     * hits only on "inset" lists items, to increase height of box
+     *
+     * @return float|int
+     */
+    function get_margin_height()
+    {
+        $style = $this->_frame->get_style();
+
+        if ($style->list_style_type === "none") {
+            return 0;
+        }
+
+        return $style->get_font_size() * self::BULLET_SIZE + 2 * self::BULLET_PADDING;
+    }
+
+    /**
+     * @return float|int
+     */
+    function get_width()
+    {
+        return $this->get_margin_height();
+    }
+
+    /**
+     * @return float|int
+     */
+    function get_height()
+    {
+        return $this->get_margin_height();
+    }
+
+    //........................................................................
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/NullFrameDecorator~20171216-130154.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+
+/**
+ * Dummy decorator
+ *
+ * @package dompdf
+ */
+class NullFrameDecorator extends AbstractFrameDecorator
+{
+    /**
+     * NullFrameDecorator constructor.
+     * @param Frame $frame
+     * @param Dompdf $dompdf
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+        $style = $this->_frame->get_style();
+        $style->width = 0;
+        $style->height = 0;
+        $style->margin = 0;
+        $style->padding = 0;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/Page~20171216-130154.php

@@ -0,0 +1,660 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Css\Style;
+use Dompdf\Dompdf;
+use Dompdf\Helpers;
+use Dompdf\Frame;
+use Dompdf\Renderer;
+
+/**
+ * Decorates frames for page layout
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Page extends AbstractFrameDecorator
+{
+
+    /**
+     * y value of bottom page margin
+     *
+     * @var float
+     */
+    protected $_bottom_page_margin;
+
+    /**
+     * Flag indicating page is full.
+     *
+     * @var bool
+     */
+    protected $_page_full;
+
+    /**
+     * Number of tables currently being reflowed
+     *
+     * @var int
+     */
+    protected $_in_table;
+
+    /**
+     * The pdf renderer
+     *
+     * @var Renderer
+     */
+    protected $_renderer;
+
+    /**
+     * This page's floating frames
+     *
+     * @var array
+     */
+    protected $_floating_frames = array();
+
+    //........................................................................
+
+    /**
+     * Class constructor
+     *
+     * @param Frame $frame the frame to decorate
+     * @param Dompdf $dompdf
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+        $this->_page_full = false;
+        $this->_in_table = 0;
+        $this->_bottom_page_margin = null;
+    }
+
+    /**
+     * Set the renderer used for this pdf
+     *
+     * @param Renderer $renderer the renderer to use
+     */
+    function set_renderer($renderer)
+    {
+        $this->_renderer = $renderer;
+    }
+
+    /**
+     * Return the renderer used for this pdf
+     *
+     * @return Renderer
+     */
+    function get_renderer()
+    {
+        return $this->_renderer;
+    }
+
+    /**
+     * Set the frame's containing block.  Overridden to set $this->_bottom_page_margin.
+     *
+     * @param float $x
+     * @param float $y
+     * @param float $w
+     * @param float $h
+     */
+    function set_containing_block($x = null, $y = null, $w = null, $h = null)
+    {
+        parent::set_containing_block($x, $y, $w, $h);
+        //$w = $this->get_containing_block("w");
+        if (isset($h)) {
+            $this->_bottom_page_margin = $h;
+        } // - $this->_frame->get_style()->length_in_pt($this->_frame->get_style()->margin_bottom, $w);
+    }
+
+    /**
+     * Returns true if the page is full and is no longer accepting frames.
+     *
+     * @return bool
+     */
+    function is_full()
+    {
+        return $this->_page_full;
+    }
+
+    /**
+     * Start a new page by resetting the full flag.
+     */
+    function next_page()
+    {
+        $this->_floating_frames = array();
+        $this->_renderer->new_page();
+        $this->_page_full = false;
+    }
+
+    /**
+     * Indicate to the page that a table is currently being reflowed.
+     */
+    function table_reflow_start()
+    {
+        $this->_in_table++;
+    }
+
+    /**
+     * Indicate to the page that table reflow is finished.
+     */
+    function table_reflow_end()
+    {
+        $this->_in_table--;
+    }
+
+    /**
+     * Return whether we are currently in a nested table or not
+     *
+     * @return bool
+     */
+    function in_nested_table()
+    {
+        return $this->_in_table > 1;
+    }
+
+    /**
+     * Check if a forced page break is required before $frame.  This uses the
+     * frame's page_break_before property as well as the preceeding frame's
+     * page_break_after property.
+     *
+     * @link http://www.w3.org/TR/CSS21/page.html#forced
+     *
+     * @param Frame $frame the frame to check
+     *
+     * @return bool true if a page break occured
+     */
+    function check_forced_page_break(Frame $frame)
+    {
+
+        // Skip check if page is already split
+        if ($this->_page_full) {
+            return null;
+        }
+
+        $block_types = array("block", "list-item", "table", "inline");
+        $page_breaks = array("always", "left", "right");
+
+        $style = $frame->get_style();
+
+        if (!in_array($style->display, $block_types)) {
+            return false;
+        }
+
+        // Find the previous block-level sibling
+        $prev = $frame->get_prev_sibling();
+
+        while ($prev && !in_array($prev->get_style()->display, $block_types)) {
+            $prev = $prev->get_prev_sibling();
+        }
+
+        if (in_array($style->page_break_before, $page_breaks)) {
+
+            // Prevent cascading splits
+            $frame->split(null, true);
+            // We have to grab the style again here because split() resets
+            // $frame->style to the frame's orignal style.
+            $frame->get_style()->page_break_before = "auto";
+            $this->_page_full = true;
+
+            return true;
+        }
+
+        if ($prev && in_array($prev->get_style()->page_break_after, $page_breaks)) {
+            // Prevent cascading splits
+            $frame->split(null, true);
+            $prev->get_style()->page_break_after = "auto";
+            $this->_page_full = true;
+
+            return true;
+        }
+
+        if ($prev && $prev->get_last_child() && $frame->get_node()->nodeName != "body") {
+            $prev_last_child = $prev->get_last_child();
+            if (in_array($prev_last_child->get_style()->page_break_after, $page_breaks)) {
+                $frame->split(null, true);
+                $prev_last_child->get_style()->page_break_after = "auto";
+                $this->_page_full = true;
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Determine if a page break is allowed before $frame
+     * http://www.w3.org/TR/CSS21/page.html#allowed-page-breaks
+     *
+     * In the normal flow, page breaks can occur at the following places:
+     *
+     *    1. In the vertical margin between block boxes. When a page
+     *    break occurs here, the used values of the relevant
+     *    'margin-top' and 'margin-bottom' properties are set to '0'.
+     *    2. Between line boxes inside a block box.
+     *
+     * These breaks are subject to the following rules:
+     *
+     *   * Rule A: Breaking at (1) is allowed only if the
+     *     'page-break-after' and 'page-break-before' properties of
+     *     all the elements generating boxes that meet at this margin
+     *     allow it, which is when at least one of them has the value
+     *     'always', 'left', or 'right', or when all of them are
+     *     'auto'.
+     *
+     *   * Rule B: However, if all of them are 'auto' and the
+     *     nearest common ancestor of all the elements has a
+     *     'page-break-inside' value of 'avoid', then breaking here is
+     *     not allowed.
+     *
+     *   * Rule C: Breaking at (2) is allowed only if the number of
+     *     line boxes between the break and the start of the enclosing
+     *     block box is the value of 'orphans' or more, and the number
+     *     of line boxes between the break and the end of the box is
+     *     the value of 'widows' or more.
+     *
+     *   * Rule D: In addition, breaking at (2) is allowed only if
+     *     the 'page-break-inside' property is 'auto'.
+     *
+     * If the above doesn't provide enough break points to keep
+     * content from overflowing the page boxes, then rules B and D are
+     * dropped in order to find additional breakpoints.
+     *
+     * If that still does not lead to sufficient break points, rules A
+     * and C are dropped as well, to find still more break points.
+     *
+     * We will also allow breaks between table rows.  However, when
+     * splitting a table, the table headers should carry over to the
+     * next page (but they don't yet).
+     *
+     * @param Frame $frame the frame to check
+     *
+     * @return bool true if a break is allowed, false otherwise
+     */
+    protected function _page_break_allowed(Frame $frame)
+    {
+
+        $block_types = array("block", "list-item", "table", "-dompdf-image");
+        Helpers::dompdf_debug("page-break", "_page_break_allowed(" . $frame->get_node()->nodeName . ")");
+        $display = $frame->get_style()->display;
+
+        // Block Frames (1):
+        if (in_array($display, $block_types)) {
+
+            // Avoid breaks within table-cells
+            if ($this->_in_table) {
+                Helpers::dompdf_debug("page-break", "In table: " . $this->_in_table);
+
+                return false;
+            }
+
+            // Rules A & B
+
+            if ($frame->get_style()->page_break_before === "avoid") {
+                Helpers::dompdf_debug("page-break", "before: avoid");
+
+                return false;
+            }
+
+            // Find the preceeding block-level sibling
+            $prev = $frame->get_prev_sibling();
+            while ($prev && !in_array($prev->get_style()->display, $block_types)) {
+                $prev = $prev->get_prev_sibling();
+            }
+
+            // Does the previous element allow a page break after?
+            if ($prev && $prev->get_style()->page_break_after === "avoid") {
+                Helpers::dompdf_debug("page-break", "after: avoid");
+
+                return false;
+            }
+
+            // If both $prev & $frame have the same parent, check the parent's
+            // page_break_inside property.
+            $parent = $frame->get_parent();
+            if ($prev && $parent && $parent->get_style()->page_break_inside === "avoid") {
+                Helpers::dompdf_debug("page-break", "parent inside: avoid");
+
+                return false;
+            }
+
+            // To prevent cascading page breaks when a top-level element has
+            // page-break-inside: avoid, ensure that at least one frame is
+            // on the page before splitting.
+            if ($parent->get_node()->nodeName === "body" && !$prev) {
+                // We are the body's first child
+                Helpers::dompdf_debug("page-break", "Body's first child.");
+
+                return false;
+            }
+
+            // If the frame is the first block-level frame, use the value from
+            // $frame's parent instead.
+            if (!$prev && $parent) {
+                return $this->_page_break_allowed($parent);
+            }
+
+            Helpers::dompdf_debug("page-break", "block: break allowed");
+
+            return true;
+
+        } // Inline frames (2):
+        else {
+            if (in_array($display, Style::$INLINE_TYPES)) {
+
+                // Avoid breaks within table-cells
+                if ($this->_in_table) {
+                    Helpers::dompdf_debug("page-break", "In table: " . $this->_in_table);
+
+                    return false;
+                }
+
+                // Rule C
+                $block_parent = $frame->find_block_parent();
+                if (count($block_parent->get_line_boxes()) < $frame->get_style()->orphans) {
+                    Helpers::dompdf_debug("page-break", "orphans");
+
+                    return false;
+                }
+
+                // FIXME: Checking widows is tricky without having laid out the
+                // remaining line boxes.  Just ignore it for now...
+
+                // Rule D
+                $p = $block_parent;
+                while ($p) {
+                    if ($p->get_style()->page_break_inside === "avoid") {
+                        Helpers::dompdf_debug("page-break", "parent->inside: avoid");
+
+                        return false;
+                    }
+                    $p = $p->find_block_parent();
+                }
+
+                // To prevent cascading page breaks when a top-level element has
+                // page-break-inside: avoid, ensure that at least one frame with
+                // some content is on the page before splitting.
+                $prev = $frame->get_prev_sibling();
+                while ($prev && ($prev->is_text_node() && trim($prev->get_node()->nodeValue) == "")) {
+                    $prev = $prev->get_prev_sibling();
+                }
+
+                if ($block_parent->get_node()->nodeName === "body" && !$prev) {
+                    // We are the body's first child
+                    Helpers::dompdf_debug("page-break", "Body's first child.");
+
+                    return false;
+                }
+
+                // Skip breaks on empty text nodes
+                if ($frame->is_text_node() &&
+                    $frame->get_node()->nodeValue == ""
+                ) {
+                    return false;
+                }
+
+                Helpers::dompdf_debug("page-break", "inline: break allowed");
+
+                return true;
+
+                // Table-rows
+            } else {
+                if ($display === "table-row") {
+
+                    // Simply check if the parent table's page_break_inside property is
+                    // not 'avoid'
+                    $p = Table::find_parent_table($frame);
+
+                    while ($p) {
+                        if ($p->get_style()->page_break_inside === "avoid") {
+                            Helpers::dompdf_debug("page-break", "parent->inside: avoid");
+
+                            return false;
+                        }
+                        $p = $p->find_block_parent();
+                    }
+
+                    // Avoid breaking after the first row of a table
+                    if ($p && $p->get_first_child() === $frame) {
+                        Helpers::dompdf_debug("page-break", "table: first-row");
+
+                        return false;
+                    }
+
+                    // If this is a nested table, prevent the page from breaking
+                    if ($this->_in_table > 1) {
+                        Helpers::dompdf_debug("page-break", "table: nested table");
+
+                        return false;
+                    }
+
+                    Helpers::dompdf_debug("page-break", "table-row/row-groups: break allowed");
+
+                    return true;
+                } else {
+                    if (in_array($display, Table::$ROW_GROUPS)) {
+
+                        // Disallow breaks at row-groups: only split at row boundaries
+                        return false;
+
+                    } else {
+                        Helpers::dompdf_debug("page-break", "? " . $frame->get_style()->display . "");
+
+                        return false;
+                    }
+                }
+            }
+        }
+
+    }
+
+    /**
+     * Check if $frame will fit on the page.  If the frame does not fit,
+     * the frame tree is modified so that a page break occurs in the
+     * correct location.
+     *
+     * @param Frame $frame the frame to check
+     *
+     * @return bool
+     */
+    function check_page_break(Frame $frame)
+    {
+        // Do not split if we have already or if the frame was already
+        // pushed to the next page (prevents infinite loops)
+        if ($this->_page_full || $frame->_already_pushed) {
+            return false;
+        }
+
+        // If the frame is absolute of fixed it shouldn't break
+        $p = $frame;
+        do {
+            if ($p->is_absolute())
+                return false;
+        } while ($p = $p->get_parent());
+
+        $margin_height = $frame->get_margin_height();
+
+        // FIXME If the row is taller than the page and
+        // if it the first of the page, we don't break
+        if ($frame->get_style()->display === "table-row" &&
+            !$frame->get_prev_sibling() &&
+            $margin_height > $this->get_margin_height()
+        )
+            return false;
+
+        // Determine the frame's maximum y value
+        $max_y = (float)$frame->get_position("y") + $margin_height;
+
+        // If a split is to occur here, then the bottom margins & paddings of all
+        // parents of $frame must fit on the page as well:
+        $p = $frame->get_parent();
+        while ($p) {
+            $max_y += $p->get_style()->computed_bottom_spacing();
+            $p = $p->get_parent();
+        }
+
+
+        // Check if $frame flows off the page
+        if ($max_y <= $this->_bottom_page_margin)
+            // no: do nothing
+            return false;
+
+        Helpers::dompdf_debug("page-break", "check_page_break");
+        Helpers::dompdf_debug("page-break", "in_table: " . $this->_in_table);
+
+        // yes: determine page break location
+        $iter = $frame;
+        $flg = false;
+
+        $in_table = $this->_in_table;
+
+        Helpers::dompdf_debug("page-break", "Starting search");
+        while ($iter) {
+            // echo "\nbacktrack: " .$iter->get_node()->nodeName ." ".spl_object_hash($iter->get_node()). "";
+            if ($iter === $this) {
+                Helpers::dompdf_debug("page-break", "reached root.");
+                // We've reached the root in our search.  Just split at $frame.
+                break;
+            }
+
+            if ($this->_page_break_allowed($iter)) {
+                Helpers::dompdf_debug("page-break", "break allowed, splitting.");
+                $iter->split(null, true);
+                $this->_page_full = true;
+                $this->_in_table = $in_table;
+                $frame->_already_pushed = true;
+
+                return true;
+            }
+
+            if (!$flg && $next = $iter->get_last_child()) {
+                Helpers::dompdf_debug("page-break", "following last child.");
+
+                if ($next->is_table())
+                    $this->_in_table++;
+
+                $iter = $next;
+                continue;
+            }
+
+            if ($next = $iter->get_prev_sibling()) {
+                Helpers::dompdf_debug("page-break", "following prev sibling.");
+
+                if ($next->is_table() && !$iter->is_table())
+                    $this->_in_table++;
+
+                else if (!$next->is_table() && $iter->is_table())
+                    $this->_in_table--;
+
+                $iter = $next;
+                $flg = false;
+                continue;
+            }
+
+            if ($next = $iter->get_parent()) {
+                Helpers::dompdf_debug("page-break", "following parent.");
+
+                if ($iter->is_table())
+                    $this->_in_table--;
+
+                $iter = $next;
+                $flg = true;
+                continue;
+            }
+
+            break;
+        }
+
+        $this->_in_table = $in_table;
+
+        // No valid page break found.  Just break at $frame.
+        Helpers::dompdf_debug("page-break", "no valid break found, just splitting.");
+
+        // If we are in a table, backtrack to the nearest top-level table row
+        if ($this->_in_table) {
+            $iter = $frame;
+            while ($iter && $iter->get_style()->display !== "table-row" && $iter->get_style()->display !== 'table-row-group')
+                $iter = $iter->get_parent();
+
+            $iter->split(null, true);
+        } else {
+            $frame->split(null, true);
+        }
+
+        $this->_page_full = true;
+        $frame->_already_pushed = true;
+
+        return true;
+    }
+
+    //........................................................................
+
+    /**
+     * @param Frame|null $frame
+     * @param bool $force_pagebreak
+     */
+    function split(Frame $frame = null, $force_pagebreak = false)
+    {
+        // Do nothing
+    }
+
+    /**
+     * Add a floating frame
+     *
+     * @param Frame $frame
+     *
+     * @return void
+     */
+    function add_floating_frame(Frame $frame)
+    {
+        array_unshift($this->_floating_frames, $frame);
+    }
+
+    /**
+     * @return Frame[]
+     */
+    function get_floating_frames()
+    {
+        return $this->_floating_frames;
+    }
+
+    /**
+     * @param $key
+     */
+    public function remove_floating_frame($key)
+    {
+        unset($this->_floating_frames[$key]);
+    }
+
+    /**
+     * @param Frame $child
+     * @return int|mixed
+     */
+    public function get_lowest_float_offset(Frame $child)
+    {
+        $style = $child->get_style();
+        $side = $style->clear;
+        $float = $style->float;
+
+        $y = 0;
+
+        if ($float === "none") {
+            foreach ($this->_floating_frames as $key => $frame) {
+                if ($side === "both" || $frame->get_style()->float === $side) {
+                    $y = max($y, $frame->get_position("y") + $frame->get_margin_height());
+                }
+                $this->remove_floating_frame($key);
+            }
+        }
+
+        if ($y > 0) {
+            $y++; // add 1px buffer from float
+        }
+
+        return $y;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/TableCell~20171216-130154.php

@@ -0,0 +1,139 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+
+/**
+ * Decorates table cells for layout
+ *
+ * @package dompdf
+ */
+class TableCell extends BlockFrameDecorator
+{
+
+    protected $_resolved_borders;
+    protected $_content_height;
+
+    //........................................................................
+
+    /**
+     * TableCell constructor.
+     * @param Frame $frame
+     * @param Dompdf $dompdf
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+        $this->_resolved_borders = array();
+        $this->_content_height = 0;
+    }
+
+    //........................................................................
+
+    function reset()
+    {
+        parent::reset();
+        $this->_resolved_borders = array();
+        $this->_content_height = 0;
+        $this->_frame->reset();
+    }
+
+    /**
+     * @return int
+     */
+    function get_content_height()
+    {
+        return $this->_content_height;
+    }
+
+    /**
+     * @param $height
+     */
+    function set_content_height($height)
+    {
+        $this->_content_height = $height;
+    }
+
+    /**
+     * @param $height
+     */
+    function set_cell_height($height)
+    {
+        $style = $this->get_style();
+        $v_space = (float)$style->length_in_pt(array($style->margin_top,
+                $style->padding_top,
+                $style->border_top_width,
+                $style->border_bottom_width,
+                $style->padding_bottom,
+                $style->margin_bottom),
+            $style->width);
+
+        $new_height = $height - $v_space;
+        $style->height = $new_height;
+
+        if ($new_height > $this->_content_height) {
+            $y_offset = 0;
+
+            // Adjust our vertical alignment
+            switch ($style->vertical_align) {
+                default:
+                case "baseline":
+                    // FIXME: this isn't right
+
+                case "top":
+                    // Don't need to do anything
+                    return;
+
+                case "middle":
+                    $y_offset = ($new_height - $this->_content_height) / 2;
+                    break;
+
+                case "bottom":
+                    $y_offset = $new_height - $this->_content_height;
+                    break;
+            }
+
+            if ($y_offset) {
+                // Move our children
+                foreach ($this->get_line_boxes() as $line) {
+                    foreach ($line->get_frames() as $frame)
+                        $frame->move(0, $y_offset);
+                }
+            }
+        }
+    }
+
+    /**
+     * @param $side
+     * @param $border_spec
+     */
+    function set_resolved_border($side, $border_spec)
+    {
+        $this->_resolved_borders[$side] = $border_spec;
+    }
+
+    /**
+     * @param $side
+     * @return mixed
+     */
+    function get_resolved_border($side)
+    {
+        return $this->_resolved_borders[$side];
+    }
+
+    /**
+     * @return array
+     */
+    function get_resolved_borders()
+    {
+        return $this->_resolved_borders;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/TableRowGroup~20171216-130154.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+
+/**
+ * Table row group decorator
+ *
+ * Overrides split() method for tbody, thead & tfoot elements
+ *
+ * @package dompdf
+ */
+class TableRowGroup extends AbstractFrameDecorator
+{
+
+    /**
+     * Class constructor
+     *
+     * @param Frame $frame   Frame to decorate
+     * @param Dompdf $dompdf Current dompdf instance
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+    }
+
+    /**
+     * Override split() to remove all child rows and this element from the cellmap
+     *
+     * @param Frame $child
+     * @param bool $force_pagebreak
+     *
+     * @return void
+     */
+    function split(Frame $child = null, $force_pagebreak = false)
+    {
+        if (is_null($child)) {
+            parent::split();
+            return;
+        }
+
+        // Remove child & all subsequent rows from the cellmap
+        $cellmap = $this->get_parent()->get_cellmap();
+        $iter = $child;
+
+        while ($iter) {
+            $cellmap->remove_row($iter);
+            $iter = $iter->get_next_sibling();
+        }
+
+        // If we are splitting at the first child remove the
+        // table-row-group from the cellmap as well
+        if ($child === $this->get_first_child()) {
+            $cellmap->remove_row_group($this);
+            parent::split();
+            return;
+        }
+
+        $cellmap->update_row_group($this, $child->get_prev_sibling());
+        parent::split($child);
+    }
+}
+

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/TableRow~20171216-130154.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Table as TableFrameDecorator;
+
+/**
+ * Decorates Frames for table row layout
+ *
+ * @package dompdf
+ */
+class TableRow extends AbstractFrameDecorator
+{
+    /**
+     * TableRow constructor.
+     * @param Frame $frame
+     * @param Dompdf $dompdf
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+    }
+
+    //........................................................................
+
+    /**
+     * Remove all non table-cell frames from this row and move them after
+     * the table.
+     */
+    function normalise()
+    {
+        // Find our table parent
+        $p = TableFrameDecorator::find_parent_table($this);
+
+        $erroneous_frames = array();
+        foreach ($this->get_children() as $child) {
+            $display = $child->get_style()->display;
+
+            if ($display !== "table-cell")
+                $erroneous_frames[] = $child;
+        }
+
+        //  dump the extra nodes after the table.
+        foreach ($erroneous_frames as $frame)
+            $p->move_after($frame);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/Table~20171216-130154.php

@@ -0,0 +1,398 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Cellmap;
+use DOMNode;
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\Frame\Factory;
+
+/**
+ * Decorates Frames for table layout
+ *
+ * @package dompdf
+ */
+class Table extends AbstractFrameDecorator
+{
+    public static $VALID_CHILDREN = array(
+        "table-row-group",
+        "table-row",
+        "table-header-group",
+        "table-footer-group",
+        "table-column",
+        "table-column-group",
+        "table-caption",
+        "table-cell"
+    );
+
+    public static $ROW_GROUPS = array(
+        'table-row-group',
+        'table-header-group',
+        'table-footer-group'
+    );
+
+    /**
+     * The Cellmap object for this table.  The cellmap maps table cells
+     * to rows and columns, and aids in calculating column widths.
+     *
+     * @var \Dompdf\Cellmap
+     */
+    protected $_cellmap;
+
+    /**
+     * The minimum width of the table, in pt
+     *
+     * @var float
+     */
+    protected $_min_width;
+
+    /**
+     * The maximum width of the table, in pt
+     *
+     * @var float
+     */
+    protected $_max_width;
+
+    /**
+     * Table header rows.  Each table header is duplicated when a table
+     * spans pages.
+     *
+     * @var array
+     */
+    protected $_headers;
+
+    /**
+     * Table footer rows.  Each table footer is duplicated when a table
+     * spans pages.
+     *
+     * @var array
+     */
+    protected $_footers;
+
+    /**
+     * Class constructor
+     *
+     * @param Frame $frame the frame to decorate
+     * @param Dompdf $dompdf
+     */
+    public function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        parent::__construct($frame, $dompdf);
+        $this->_cellmap = new Cellmap($this);
+
+        if ($frame->get_style()->table_layout === "fixed") {
+            $this->_cellmap->set_layout_fixed(true);
+        }
+
+        $this->_min_width = null;
+        $this->_max_width = null;
+        $this->_headers = array();
+        $this->_footers = array();
+    }
+
+    public function reset()
+    {
+        parent::reset();
+        $this->_cellmap->reset();
+        $this->_min_width = null;
+        $this->_max_width = null;
+        $this->_headers = array();
+        $this->_footers = array();
+        $this->_reflower->reset();
+    }
+
+    //........................................................................
+
+    /**
+     * split the table at $row.  $row and all subsequent rows will be
+     * added to the clone.  This method is overidden in order to remove
+     * frames from the cellmap properly.
+     *
+     * @param Frame $child
+     * @param bool $force_pagebreak
+     *
+     * @return void
+     */
+    public function split(Frame $child = null, $force_pagebreak = false)
+    {
+        if (is_null($child)) {
+            parent::split();
+
+            return;
+        }
+
+        // If $child is a header or if it is the first non-header row, do
+        // not duplicate headers, simply move the table to the next page.
+        if (count($this->_headers) && !in_array($child, $this->_headers, true) &&
+            !in_array($child->get_prev_sibling(), $this->_headers, true)
+        ) {
+
+            $first_header = null;
+
+            // Insert copies of the table headers before $child
+            foreach ($this->_headers as $header) {
+
+                $new_header = $header->deep_copy();
+
+                if (is_null($first_header)) {
+                    $first_header = $new_header;
+                }
+
+                $this->insert_child_before($new_header, $child);
+            }
+
+            parent::split($first_header);
+
+        } elseif (in_array($child->get_style()->display, self::$ROW_GROUPS)) {
+
+            // Individual rows should have already been handled
+            parent::split($child);
+
+        } else {
+
+            $iter = $child;
+
+            while ($iter) {
+                $this->_cellmap->remove_row($iter);
+                $iter = $iter->get_next_sibling();
+            }
+
+            parent::split($child);
+        }
+    }
+
+    /**
+     * Return a copy of this frame with $node as its node
+     *
+     * @param DOMNode $node
+     *
+     * @return Frame
+     */
+    public function copy(DOMNode $node)
+    {
+        $deco = parent::copy($node);
+
+        // In order to keep columns' widths through pages
+        $deco->_cellmap->set_columns($this->_cellmap->get_columns());
+        $deco->_cellmap->lock_columns();
+
+        return $deco;
+    }
+
+    /**
+     * Static function to locate the parent table of a frame
+     *
+     * @param Frame $frame
+     *
+     * @return Table the table that is an ancestor of $frame
+     */
+    public static function find_parent_table(Frame $frame)
+    {
+
+        while ($frame = $frame->get_parent())
+            if ($frame->is_table())
+                break;
+
+        return $frame;
+    }
+
+    /**
+     * Return this table's Cellmap
+     *
+     * @return \Dompdf\Cellmap
+     */
+    public function get_cellmap()
+    {
+        return $this->_cellmap;
+    }
+
+    /**
+     * Return the minimum width of this table
+     *
+     * @return float
+     */
+    public function get_min_width()
+    {
+        return $this->_min_width;
+    }
+
+    /**
+     * Return the maximum width of this table
+     *
+     * @return float
+     */
+    public function get_max_width()
+    {
+        return $this->_max_width;
+    }
+
+    /**
+     * Set the minimum width of the table
+     *
+     * @param float $width the new minimum width
+     */
+    public function set_min_width($width)
+    {
+        $this->_min_width = $width;
+    }
+
+    /**
+     * Set the maximum width of the table
+     *
+     * @param float $width the new maximum width
+     */
+    public function set_max_width($width)
+    {
+        $this->_max_width = $width;
+    }
+
+    /**
+     * Restructure tree so that the table has the correct structure.
+     * Invalid children (i.e. all non-table-rows) are moved below the
+     * table.
+     *
+     * @fixme #1363 Method has some bugs. $table_row has not been initialized and lookup most likely could return an
+     * array of Style instead a Style Object
+     */
+    public function normalise()
+    {
+        // Store frames generated by invalid tags and move them outside the table
+        $erroneous_frames = array();
+        $anon_row = false;
+        $iter = $this->get_first_child();
+        while ($iter) {
+            $child = $iter;
+            $iter = $iter->get_next_sibling();
+
+            $display = $child->get_style()->display;
+
+            if ($anon_row) {
+
+                if ($display === "table-row") {
+                    // Add the previous anonymous row
+                    $this->insert_child_before($table_row, $child);
+
+                    $table_row->normalise();
+                    $child->normalise();
+                    $this->_cellmap->add_row();
+                    $anon_row = false;
+                    continue;
+                }
+
+                // add the child to the anonymous row
+                $table_row->append_child($child);
+                continue;
+
+            } else {
+
+                if ($display === "table-row") {
+                    $child->normalise();
+                    continue;
+                }
+
+                if ($display === "table-cell") {
+                    $css = $this->get_style()->get_stylesheet();
+
+                    // Create an anonymous table row group
+                    $tbody = $this->get_node()->ownerDocument->createElement("tbody");
+
+                    $frame = new Frame($tbody);
+
+                    $style = $css->create_style();
+                    $style->inherit($this->get_style());
+
+                    // Lookup styles for tbody tags.  If the user wants styles to work
+                    // better, they should make the tbody explicit... I'm not going to
+                    // try to guess what they intended.
+                    if ($tbody_style = $css->lookup("tbody")) {
+                        $style->merge($tbody_style);
+                    }
+                    $style->display = 'table-row-group';
+
+                    // Okay, I have absolutely no idea why I need this clone here, but
+                    // if it's omitted, php (as of 2004-07-28) segfaults.
+                    $frame->set_style($style);
+                    $table_row_group = Factory::decorate_frame($frame, $this->_dompdf, $this->_root);
+
+                    // Create an anonymous table row
+                    $tr = $this->get_node()->ownerDocument->createElement("tr");
+
+                    $frame = new Frame($tr);
+
+                    $style = $css->create_style();
+                    $style->inherit($this->get_style());
+
+                    // Lookup styles for tr tags.  If the user wants styles to work
+                    // better, they should make the tr explicit... I'm not going to
+                    // try to guess what they intended.
+                    if ($tr_style = $css->lookup("tr")) {
+                        $style->merge($tr_style);
+                    }
+                    $style->display = 'table-row';
+
+                    // Okay, I have absolutely no idea why I need this clone here, but
+                    // if it's omitted, php (as of 2004-07-28) segfaults.
+                    $frame->set_style(clone $style);
+                    $table_row = Factory::decorate_frame($frame, $this->_dompdf, $this->_root);
+
+                    // Add the cell to the row
+                    $table_row->append_child($child, true);
+
+                    // Add the tr to the tbody
+                    $table_row_group->append_child($table_row, true);
+
+                    $anon_row = true;
+                    continue;
+                }
+
+                if (!in_array($display, self::$VALID_CHILDREN)) {
+                    $erroneous_frames[] = $child;
+                    continue;
+                }
+
+                // Normalise other table parts (i.e. row groups)
+                foreach ($child->get_children() as $grandchild) {
+                    if ($grandchild->get_style()->display === "table-row") {
+                        $grandchild->normalise();
+                    }
+                }
+
+                // Add headers and footers
+                if ($display === "table-header-group") {
+                    $this->_headers[] = $child;
+                } elseif ($display === "table-footer-group") {
+                    $this->_footers[] = $child;
+                }
+            }
+        }
+
+        if ($anon_row && $table_row_group instanceof AbstractFrameDecorator) {
+            // Add the row to the table
+            $this->_frame->append_child($table_row_group->_frame);
+            $table_row->normalise();
+        }
+
+        foreach ($erroneous_frames as $frame) {
+            $this->move_after($frame);
+        }
+    }
+
+    //........................................................................
+
+    /**
+     * Moves the specified frame and it's corresponding node outside of
+     * the table.
+     *
+     * @param Frame $frame the frame to move
+     */
+    public function move_after(Frame $frame)
+    {
+        $this->get_parent()->insert_child_after($frame, $this);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameDecorator/Text~20171216-130154.php

@@ -0,0 +1,205 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Brian Sweeney <eclecticgeek@gmail.com>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameDecorator;
+
+use Dompdf\Dompdf;
+use Dompdf\Frame;
+use Dompdf\Exception;
+use DOMText;
+use Dompdf\FontMetrics;
+
+/**
+ * Decorates Frame objects for text layout
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Text extends AbstractFrameDecorator
+{
+
+    // protected members
+    protected $_text_spacing;
+
+    /**
+     * Text constructor.
+     * @param Frame $frame
+     * @param Dompdf $dompdf
+     * @throws Exception
+     */
+    function __construct(Frame $frame, Dompdf $dompdf)
+    {
+        if (!$frame->is_text_node()) {
+            throw new Exception("Text_Decorator can only be applied to #text nodes.");
+        }
+
+        parent::__construct($frame, $dompdf);
+        $this->_text_spacing = null;
+    }
+
+    function reset()
+    {
+        parent::reset();
+        $this->_text_spacing = null;
+    }
+
+    // Accessor methods
+
+    /**
+     * @return null
+     */
+    function get_text_spacing()
+    {
+        return $this->_text_spacing;
+    }
+
+    /**
+     * @return string
+     */
+    function get_text()
+    {
+        // FIXME: this should be in a child class (and is incorrect)
+//    if ( $this->_frame->get_style()->content !== "normal" ) {
+//      $this->_frame->get_node()->data = $this->_frame->get_style()->content;
+//      $this->_frame->get_style()->content = "normal";
+//    }
+
+//      Helpers::pre_r("---");
+//      $style = $this->_frame->get_style();
+//      var_dump($text = $this->_frame->get_node()->data);
+//      var_dump($asc = utf8_decode($text));
+//      for ($i = 0; $i < strlen($asc); $i++)
+//        Helpers::pre_r("$i: " . $asc[$i] . " - " . ord($asc[$i]));
+//      Helpers::pre_r("width: " . $this->_dompdf->getFontMetrics()->getTextWidth($text, $style->font_family, $style->font_size));
+
+        return $this->_frame->get_node()->data;
+    }
+
+    //........................................................................
+
+    /**
+     * Vertical margins & padding do not apply to text frames
+     *
+     * http://www.w3.org/TR/CSS21/visudet.html#inline-non-replaced:
+     *
+     * The vertical padding, border and margin of an inline, non-replaced box
+     * start at the top and bottom of the content area, not the
+     * 'line-height'. But only the 'line-height' is used to calculate the
+     * height of the line box.
+     *
+     * @return float|int
+     */
+    function get_margin_height()
+    {
+        // This function is called in add_frame_to_line() and is used to
+        // determine the line height, so we actually want to return the
+        // 'line-height' property, not the actual margin box
+        $style = $this->get_parent()->get_style();
+        $font = $style->font_family;
+        $size = $style->font_size;
+
+        /*
+        Helpers::pre_r('-----');
+        Helpers::pre_r($style->line_height);
+        Helpers::pre_r($style->font_size);
+        Helpers::pre_r($this->_dompdf->getFontMetrics()->getFontHeight($font, $size));
+        Helpers::pre_r(($style->line_height / $size) * $this->_dompdf->getFontMetrics()->getFontHeight($font, $size));
+        */
+
+        return ($style->line_height / ($size > 0 ? $size : 1)) * $this->_dompdf->getFontMetrics()->getFontHeight($font, $size);
+    }
+
+    /**
+     * @return array
+     */
+    function get_padding_box()
+    {
+        $pb = $this->_frame->get_padding_box();
+        $pb[3] = $pb["h"] = $this->_frame->get_style()->height;
+
+        return $pb;
+    }
+
+    /**
+     * @param $spacing
+     */
+    function set_text_spacing($spacing)
+    {
+        $style = $this->_frame->get_style();
+
+        $this->_text_spacing = $spacing;
+        $char_spacing = (float)$style->length_in_pt($style->letter_spacing);
+
+        // Re-adjust our width to account for the change in spacing
+        $style->width = $this->_dompdf->getFontMetrics()->getTextWidth($this->get_text(), $style->font_family, $style->font_size, $spacing, $char_spacing);
+    }
+
+    /**
+     *  Recalculate the text width
+     *
+     * @return float
+     */
+    function recalculate_width()
+    {
+        $style = $this->get_style();
+        $text = $this->get_text();
+        $size = $style->font_size;
+        $font = $style->font_family;
+        $word_spacing = (float)$style->length_in_pt($style->word_spacing);
+        $char_spacing = (float)$style->length_in_pt($style->letter_spacing);
+
+        return $style->width = $this->_dompdf->getFontMetrics()->getTextWidth($text, $font, $size, $word_spacing, $char_spacing);
+    }
+
+    // Text manipulation methods
+
+    /**
+     * split the text in this frame at the offset specified.  The remaining
+     * text is added a sibling frame following this one and is returned.
+     *
+     * @param $offset
+     * @return Frame|null
+     */
+    function split_text($offset)
+    {
+        if ($offset == 0) {
+            return null;
+        }
+
+        $split = $this->_frame->get_node()->splitText($offset);
+
+        $deco = $this->copy($split);
+
+        $p = $this->get_parent();
+        $p->insert_child_after($deco, $this, false);
+
+        if ($p instanceof Inline) {
+            $p->split($deco);
+        }
+
+        return $deco;
+    }
+
+    /**
+     * @param $offset
+     * @param $count
+     */
+    function delete_text($offset, $count)
+    {
+        $this->_frame->get_node()->deleteData($offset, $count);
+    }
+
+    /**
+     * @param $text
+     */
+    function set_text($text)
+    {
+        $this->_frame->get_node()->data = $text;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/AbstractFrameReflower~20171216-130154.php

@@ -0,0 +1,500 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\Adapter\CPDF;
+use Dompdf\Css\Style;
+use Dompdf\Dompdf;
+use Dompdf\Helpers;
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Block;
+use Dompdf\Frame\Factory;
+
+/**
+ * Base reflower class
+ *
+ * Reflower objects are responsible for determining the width and height of
+ * individual frames.  They also create line and page breaks as necessary.
+ *
+ * @package dompdf
+ */
+abstract class AbstractFrameReflower
+{
+
+    /**
+     * Frame for this reflower
+     *
+     * @var Frame
+     */
+    protected $_frame;
+
+    /**
+     * Cached min/max size
+     *
+     * @var array
+     */
+    protected $_min_max_cache;
+
+    /**
+     * AbstractFrameReflower constructor.
+     * @param Frame $frame
+     */
+    function __construct(Frame $frame)
+    {
+        $this->_frame = $frame;
+        $this->_min_max_cache = null;
+    }
+
+    function dispose()
+    {
+    }
+
+    /**
+     * @return Dompdf
+     */
+    function get_dompdf()
+    {
+        return $this->_frame->get_dompdf();
+    }
+
+    /**
+     * Collapse frames margins
+     * http://www.w3.org/TR/CSS2/box.html#collapsing-margins
+     */
+    protected function _collapse_margins()
+    {
+        $frame = $this->_frame;
+        $cb = $frame->get_containing_block();
+        $style = $frame->get_style();
+
+        // Margins of float/absolutely positioned/inline-block elements do not collapse.
+        if (!$frame->is_in_flow() || $frame->is_inline_block()) {
+            return;
+        }
+
+        $t = $style->length_in_pt($style->margin_top, $cb["h"]);
+        $b = $style->length_in_pt($style->margin_bottom, $cb["h"]);
+
+        // Handle 'auto' values
+        if ($t === "auto") {
+            $style->margin_top = "0pt";
+            $t = 0;
+        }
+
+        if ($b === "auto") {
+            $style->margin_bottom = "0pt";
+            $b = 0;
+        }
+
+        // Collapse vertical margins:
+        $n = $frame->get_next_sibling();
+        if ($n && !$n->is_block()) {
+            while ($n = $n->get_next_sibling()) {
+                if ($n->is_block()) {
+                    break;
+                }
+
+                if (!$n->get_first_child()) {
+                    $n = null;
+                    break;
+                }
+            }
+        }
+
+        if ($n) {
+            $n_style = $n->get_style();
+            $b = max($b, (float)$n_style->length_in_pt($n_style->margin_top, $cb["h"]));
+            $n_style->margin_top = "0pt";
+            $style->margin_bottom = $b . "pt";
+        }
+
+        // Collapse our first child's margin, if there is no border or padding
+        if ($style->get_border_top_width() == 0 && $style->length_in_pt($style->padding_top) == 0) {
+            $f = $this->_frame->get_first_child();
+            if ( $f && !$f->is_block() ) {
+                while ( $f = $f->get_next_sibling() ) {
+                    if ( $f->is_block() ) {
+                        break;
+                    }
+
+                    if ( !$f->get_first_child() ) {
+                        $f = null;
+                        break;
+                    }
+                }
+            }
+
+            // Margin are collapsed only between block elements
+            if ($f) {
+                $f_style = $f->get_style();
+                $t = max($t, (float)$f_style->length_in_pt($f_style->margin_top, $cb["h"]));
+                $style->margin_top = $t."pt";
+                $f_style->margin_top = "0pt";
+            }
+        }
+
+        // Collapse our last child's margin, if there is no border or padding
+        if ($style->get_border_bottom_width() == 0 && $style->length_in_pt($style->padding_bottom) == 0) {
+            $l = $this->_frame->get_last_child();
+            if ($l && !$l->is_block()) {
+                while ( $l = $l->get_prev_sibling() ) {
+                    if ( $l->is_block() ) {
+                        break;
+                    }
+
+                    if ( !$l->get_last_child() ) {
+                        $l = null;
+                        break;
+                    }
+                }
+            }
+
+            // Margin are collapsed only between block elements
+            if ($l) {
+                $l_style = $l->get_style();
+                $b = max($b, (float)$l_style->length_in_pt($l_style->margin_bottom, $cb["h"]));
+                $style->margin_bottom = $b."pt";
+                $l_style->margin_bottom = "0pt";
+            }
+        }
+    }
+
+    /**
+     * @param Block|null $block
+     * @return mixed
+     */
+    abstract function reflow(Block $block = null);
+
+    /**
+     * Required for table layout: Returns an array(0 => min, 1 => max, "min"
+     * => min, "max" => max) of the minimum and maximum widths of this frame.
+     * This provides a basic implementation.  Child classes should override
+     * this if necessary.
+     *
+     * @return array|null
+     */
+    function get_min_max_width()
+    {
+        if (!is_null($this->_min_max_cache)) {
+            return $this->_min_max_cache;
+        }
+
+        $style = $this->_frame->get_style();
+
+        // Account for margins & padding
+        $dims = array($style->padding_left,
+            $style->padding_right,
+            $style->border_left_width,
+            $style->border_right_width,
+            $style->margin_left,
+            $style->margin_right);
+
+        $cb_w = $this->_frame->get_containing_block("w");
+        $delta = (float)$style->length_in_pt($dims, $cb_w);
+
+        // Handle degenerate case
+        if (!$this->_frame->get_first_child()) {
+            return $this->_min_max_cache = array(
+                $delta, $delta,
+                "min" => $delta,
+                "max" => $delta,
+            );
+        }
+
+        $low = array();
+        $high = array();
+
+        for ($iter = $this->_frame->get_children()->getIterator();
+             $iter->valid();
+             $iter->next()) {
+
+            $inline_min = 0;
+            $inline_max = 0;
+
+            // Add all adjacent inline widths together to calculate max width
+            while ($iter->valid() && in_array($iter->current()->get_style()->display, Style::$INLINE_TYPES)) {
+                $child = $iter->current();
+
+                $minmax = $child->get_min_max_width();
+
+                if (in_array($iter->current()->get_style()->white_space, array("pre", "nowrap"))) {
+                    $inline_min += $minmax["min"];
+                } else {
+                    $low[] = $minmax["min"];
+                }
+
+                $inline_max += $minmax["max"];
+                $iter->next();
+            }
+
+            if ($inline_max > 0) $high[] = $inline_max;
+            if ($inline_min > 0) $low[] = $inline_min;
+
+            if ($iter->valid()) {
+                list($low[], $high[]) = $iter->current()->get_min_max_width();
+                continue;
+            }
+        }
+        $min = count($low) ? max($low) : 0;
+        $max = count($high) ? max($high) : 0;
+
+        // Use specified width if it is greater than the minimum defined by the
+        // content.  If the width is a percentage ignore it for now.
+        $width = $style->width;
+        if ($width !== "auto" && !Helpers::is_percent($width)) {
+            $width = (float)$style->length_in_pt($width, $cb_w);
+            if ($min < $width) {
+                $min = $width;
+            }
+            if ($max < $width) {
+                $max = $width;
+            }
+        }
+
+        $min += $delta;
+        $max += $delta;
+        return $this->_min_max_cache = array($min, $max, "min" => $min, "max" => $max);
+    }
+
+    /**
+     * Parses a CSS string containing quotes and escaped hex characters
+     *
+     * @param $string string The CSS string to parse
+     * @param $single_trim
+     * @return string
+     */
+    protected function _parse_string($string, $single_trim = false)
+    {
+        if ($single_trim) {
+            $string = preg_replace('/^[\"\']/', "", $string);
+            $string = preg_replace('/[\"\']$/', "", $string);
+        } else {
+            $string = trim($string, "'\"");
+        }
+
+        $string = str_replace(array("\\\n", '\\"', "\\'"),
+            array("", '"', "'"), $string);
+
+        // Convert escaped hex characters into ascii characters (e.g. \A => newline)
+        $string = preg_replace_callback("/\\\\([0-9a-fA-F]{0,6})/",
+            function ($matches) { return \Dompdf\Helpers::unichr(hexdec($matches[1])); },
+            $string);
+        return $string;
+    }
+
+    /**
+     * Parses a CSS "quotes" property
+     *
+     * @return array|null An array of pairs of quotes
+     */
+    protected function _parse_quotes()
+    {
+        // Matches quote types
+        $re = '/(\'[^\']*\')|(\"[^\"]*\")/';
+
+        $quotes = $this->_frame->get_style()->quotes;
+
+        // split on spaces, except within quotes
+        if (!preg_match_all($re, "$quotes", $matches, PREG_SET_ORDER)) {
+            return null;
+        }
+
+        $quotes_array = array();
+        foreach ($matches as $_quote) {
+            $quotes_array[] = $this->_parse_string($_quote[0], true);
+        }
+
+        if (empty($quotes_array)) {
+            $quotes_array = array('"', '"');
+        }
+
+        return array_chunk($quotes_array, 2);
+    }
+
+    /**
+     * Parses the CSS "content" property
+     *
+     * @return string|null The resulting string
+     */
+    protected function _parse_content()
+    {
+        // Matches generated content
+        $re = "/\n" .
+            "\s(counters?\\([^)]*\\))|\n" .
+            "\A(counters?\\([^)]*\\))|\n" .
+            "\s([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\3|\n" .
+            "\A([\"']) ( (?:[^\"']|\\\\[\"'])+ )(?<!\\\\)\\5|\n" .
+            "\s([^\s\"']+)|\n" .
+            "\A([^\s\"']+)\n" .
+            "/xi";
+
+        $content = $this->_frame->get_style()->content;
+
+        $quotes = $this->_parse_quotes();
+
+        // split on spaces, except within quotes
+        if (!preg_match_all($re, $content, $matches, PREG_SET_ORDER)) {
+            return null;
+        }
+
+        $text = "";
+
+        foreach ($matches as $match) {
+            if (isset($match[2]) && $match[2] !== "") {
+                $match[1] = $match[2];
+            }
+
+            if (isset($match[6]) && $match[6] !== "") {
+                $match[4] = $match[6];
+            }
+
+            if (isset($match[8]) && $match[8] !== "") {
+                $match[7] = $match[8];
+            }
+
+            if (isset($match[1]) && $match[1] !== "") {
+                // counters?(...)
+                $match[1] = mb_strtolower(trim($match[1]));
+
+                // Handle counter() references:
+                // http://www.w3.org/TR/CSS21/generate.html#content
+
+                $i = mb_strpos($match[1], ")");
+                if ($i === false) {
+                    continue;
+                }
+
+                preg_match('/(counters?)(^\()*?\(\s*([^\s,]+)\s*(,\s*["\']?([^"\'\)]+)["\']?\s*(,\s*([^\s)]+)\s*)?)?\)/i', $match[1], $args);
+                $counter_id = $args[3];
+                if (strtolower($args[1]) == 'counter') {
+                    // counter(name [,style])
+                    if (isset($args[5])) {
+                        $type = trim($args[5]);
+                    } else {
+                        $type = null;
+                    }
+                    $p = $this->_frame->lookup_counter_frame($counter_id);
+
+                    $text .= $p->counter_value($counter_id, $type);
+
+                } else if (strtolower($args[1]) == 'counters') {
+                    // counters(name, string [,style])
+                    if (isset($args[5])) {
+                        $string = $this->_parse_string($args[5]);
+                    } else {
+                        $string = "";
+                    }
+
+                    if (isset($args[7])) {
+                        $type = trim($args[7]);
+                    } else {
+                        $type = null;
+                    }
+
+                    $p = $this->_frame->lookup_counter_frame($counter_id);
+                    $tmp = array();
+                    while ($p) {
+                        // We only want to use the counter values when they actually increment the counter
+                        if (array_key_exists($counter_id, $p->_counters)) {
+                            array_unshift($tmp, $p->counter_value($counter_id, $type));
+                        }
+                        $p = $p->lookup_counter_frame($counter_id);
+                    }
+                    $text .= implode($string, $tmp);
+                } else {
+                    // countertops?
+                    continue;
+                }
+
+            } else if (isset($match[4]) && $match[4] !== "") {
+                // String match
+                $text .= $this->_parse_string($match[4]);
+            } else if (isset($match[7]) && $match[7] !== "") {
+                // Directive match
+
+                if ($match[7] === "open-quote") {
+                    // FIXME: do something here
+                    $text .= $quotes[0][0];
+                } else if ($match[7] === "close-quote") {
+                    // FIXME: do something else here
+                    $text .= $quotes[0][1];
+                } else if ($match[7] === "no-open-quote") {
+                    // FIXME:
+                } else if ($match[7] === "no-close-quote") {
+                    // FIXME:
+                } else if (mb_strpos($match[7], "attr(") === 0) {
+                    $i = mb_strpos($match[7], ")");
+                    if ($i === false) {
+                        continue;
+                    }
+
+                    $attr = mb_substr($match[7], 5, $i - 5);
+                    if ($attr == "") {
+                        continue;
+                    }
+
+                    $text .= $this->_frame->get_parent()->get_node()->getAttribute($attr);
+                } else {
+                    continue;
+                }
+            }
+        }
+
+        return $text;
+    }
+
+    /**
+     * Sets the generated content of a generated frame
+     */
+    protected function _set_content()
+    {
+        $frame = $this->_frame;
+        $style = $frame->get_style();
+
+        // if the element was pushed to a new page use the saved counter value, otherwise use the CSS reset value
+        if ($style->counter_reset && ($reset = $style->counter_reset) !== "none") {
+            $vars = preg_split('/\s+/', trim($reset), 2);
+            $frame->reset_counter($vars[0], (isset($frame->_counters['__' . $vars[0]]) ? $frame->_counters['__' . $vars[0]] : (isset($vars[1]) ? $vars[1] : 0)));
+        }
+
+        if ($style->counter_increment && ($increment = $style->counter_increment) !== "none") {
+            $frame->increment_counters($increment);
+        }
+
+        if ($style->content && $frame->get_node()->nodeName === "dompdf_generated") {
+            $content = $this->_parse_content();
+            // add generated content to the font subset
+            // FIXME: This is currently too late because the font subset has already been generated.
+            //        See notes in issue #750.
+            if ($frame->get_dompdf()->getOptions()->getIsFontSubsettingEnabled() && $frame->get_dompdf()->get_canvas() instanceof CPDF) {
+                $frame->get_dompdf()->get_canvas()->register_string_subset($style->font_family, $content);
+            }
+
+            $node = $frame->get_node()->ownerDocument->createTextNode($content);
+
+            $new_style = $style->get_stylesheet()->create_style();
+            $new_style->inherit($style);
+
+            $new_frame = new Frame($node);
+            $new_frame->set_style($new_style);
+
+            Factory::decorate_frame($new_frame, $frame->get_dompdf(), $frame->get_root());
+            $frame->append_child($new_frame);
+        }
+    }
+
+    /**
+     * Determine current frame width based on contents
+     *
+     * @return float
+     */
+    public function calculate_auto_width()
+    {
+        return $this->_frame->get_margin_width();
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/Block~20171216-130154.php

@@ -0,0 +1,953 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\FontMetrics;
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\TableCell as TableCellFrameDecorator;
+use Dompdf\FrameDecorator\Text as TextFrameDecorator;
+use Dompdf\Exception;
+use Dompdf\Css\Style;
+
+/**
+ * Reflows block frames
+ *
+ * @package dompdf
+ */
+class Block extends AbstractFrameReflower
+{
+    // Minimum line width to justify, as fraction of available width
+    const MIN_JUSTIFY_WIDTH = 0.80;
+
+    /**
+     * @var BlockFrameDecorator
+     */
+    protected $_frame;
+
+    function __construct(BlockFrameDecorator $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     *  Calculate the ideal used value for the width property as per:
+     *  http://www.w3.org/TR/CSS21/visudet.html#Computing_widths_and_margins
+     *
+     * @param float $width
+     *
+     * @return array
+     */
+    protected function _calculate_width($width)
+    {
+        $frame = $this->_frame;
+        $style = $frame->get_style();
+        $w = $frame->get_containing_block("w");
+
+        if ($style->position === "fixed") {
+            $w = $frame->get_parent()->get_containing_block("w");
+        }
+
+        $rm = $style->length_in_pt($style->margin_right, $w);
+        $lm = $style->length_in_pt($style->margin_left, $w);
+
+        $left = $style->length_in_pt($style->left, $w);
+        $right = $style->length_in_pt($style->right, $w);
+
+        // Handle 'auto' values
+        $dims = array($style->border_left_width,
+            $style->border_right_width,
+            $style->padding_left,
+            $style->padding_right,
+            $width !== "auto" ? $width : 0,
+            $rm !== "auto" ? $rm : 0,
+            $lm !== "auto" ? $lm : 0);
+
+        // absolutely positioned boxes take the 'left' and 'right' properties into account
+        if ($frame->is_absolute()) {
+            $absolute = true;
+            $dims[] = $left !== "auto" ? $left : 0;
+            $dims[] = $right !== "auto" ? $right : 0;
+        } else {
+            $absolute = false;
+        }
+
+        $sum = (float)$style->length_in_pt($dims, $w);
+
+        // Compare to the containing block
+        $diff = $w - $sum;
+
+        if ($diff > 0) {
+            if ($absolute) {
+                // resolve auto properties: see
+                // http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width
+
+                if ($width === "auto" && $left === "auto" && $right === "auto") {
+                    if ($lm === "auto") {
+                        $lm = 0;
+                    }
+                    if ($rm === "auto") {
+                        $rm = 0;
+                    }
+
+                    // Technically, the width should be "shrink-to-fit" i.e. based on the
+                    // preferred width of the content...  a little too costly here as a
+                    // special case.  Just get the width to take up the slack:
+                    $left = 0;
+                    $right = 0;
+                    $width = $diff;
+                } else if ($width === "auto") {
+                    if ($lm === "auto") {
+                        $lm = 0;
+                    }
+                    if ($rm === "auto") {
+                        $rm = 0;
+                    }
+                    if ($left === "auto") {
+                        $left = 0;
+                    }
+                    if ($right === "auto") {
+                        $right = 0;
+                    }
+
+                    $width = $diff;
+                } else if ($left === "auto") {
+                    if ($lm === "auto") {
+                        $lm = 0;
+                    }
+                    if ($rm === "auto") {
+                        $rm = 0;
+                    }
+                    if ($right === "auto") {
+                        $right = 0;
+                    }
+
+                    $left = $diff;
+                } else if ($right === "auto") {
+                    if ($lm === "auto") {
+                        $lm = 0;
+                    }
+                    if ($rm === "auto") {
+                        $rm = 0;
+                    }
+
+                    $right = $diff;
+                }
+
+            } else {
+                // Find auto properties and get them to take up the slack
+                if ($width === "auto") {
+                    $width = $diff;
+                } else if ($lm === "auto" && $rm === "auto") {
+                    $lm = $rm = round($diff / 2);
+                } else if ($lm === "auto") {
+                    $lm = $diff;
+                } else if ($rm === "auto") {
+                    $rm = $diff;
+                }
+            }
+        } else if ($diff < 0) {
+            // We are over constrained--set margin-right to the difference
+            $rm = $diff;
+        }
+
+        return array(
+            "width" => $width,
+            "margin_left" => $lm,
+            "margin_right" => $rm,
+            "left" => $left,
+            "right" => $right,
+        );
+    }
+
+    /**
+     * Call the above function, but resolve max/min widths
+     *
+     * @throws Exception
+     * @return array
+     */
+    protected function _calculate_restricted_width()
+    {
+        $frame = $this->_frame;
+        $style = $frame->get_style();
+        $cb = $frame->get_containing_block();
+
+        if ($style->position === "fixed") {
+            $cb = $frame->get_root()->get_containing_block();
+        }
+
+        //if ( $style->position === "absolute" )
+        //  $cb = $frame->find_positionned_parent()->get_containing_block();
+
+        if (!isset($cb["w"])) {
+            throw new Exception("Box property calculation requires containing block width");
+        }
+
+        // Treat width 100% as auto
+        if ($style->width === "100%") {
+            $width = "auto";
+        } else {
+            $width = $style->length_in_pt($style->width, $cb["w"]);
+        }
+
+        $calculate_width = $this->_calculate_width($width);
+        $margin_left = $calculate_width['margin_left'];
+        $margin_right = $calculate_width['margin_right'];
+        $width =  $calculate_width['width'];
+        $left =  $calculate_width['left'];
+        $right =  $calculate_width['right'];
+
+        // Handle min/max width
+        $min_width = $style->length_in_pt($style->min_width, $cb["w"]);
+        $max_width = $style->length_in_pt($style->max_width, $cb["w"]);
+
+        if ($max_width !== "none" && $min_width > $max_width) {
+            list($max_width, $min_width) = array($min_width, $max_width);
+        }
+
+        if ($max_width !== "none" && $width > $max_width) {
+            extract($this->_calculate_width($max_width));
+        }
+
+        if ($width < $min_width) {
+            $calculate_width = $this->_calculate_width($min_width);
+            $margin_left = $calculate_width['margin_left'];
+            $margin_right = $calculate_width['margin_right'];
+            $width =  $calculate_width['width'];
+            $left =  $calculate_width['left'];
+            $right =  $calculate_width['right'];
+        }
+
+        return array($width, $margin_left, $margin_right, $left, $right);
+    }
+
+    /**
+     * Determine the unrestricted height of content within the block
+     * not by adding each line's height, but by getting the last line's position.
+     * This because lines could have been pushed lower by a clearing element.
+     *
+     * @return float
+     */
+    protected function _calculate_content_height()
+    {
+        $height = 0;
+        $lines = $this->_frame->get_line_boxes();
+        if (count($lines) > 0) {
+            $last_line = end($lines);
+            $content_box = $this->_frame->get_content_box();
+            $height = $last_line->y + $last_line->h - $content_box["y"];
+        }
+        return $height;
+    }
+
+    /**
+     * Determine the frame's restricted height
+     *
+     * @return array
+     */
+    protected function _calculate_restricted_height()
+    {
+        $frame = $this->_frame;
+        $style = $frame->get_style();
+        $content_height = $this->_calculate_content_height();
+        $cb = $frame->get_containing_block();
+
+        $height = $style->length_in_pt($style->height, $cb["h"]);
+
+        $top = $style->length_in_pt($style->top, $cb["h"]);
+        $bottom = $style->length_in_pt($style->bottom, $cb["h"]);
+
+        $margin_top = $style->length_in_pt($style->margin_top, $cb["h"]);
+        $margin_bottom = $style->length_in_pt($style->margin_bottom, $cb["h"]);
+
+        if ($frame->is_absolute()) {
+
+            // see http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-height
+
+            $dims = array($top !== "auto" ? $top : 0,
+                $style->margin_top !== "auto" ? $style->margin_top : 0,
+                $style->padding_top,
+                $style->border_top_width,
+                $height !== "auto" ? $height : 0,
+                $style->border_bottom_width,
+                $style->padding_bottom,
+                $style->margin_bottom !== "auto" ? $style->margin_bottom : 0,
+                $bottom !== "auto" ? $bottom : 0);
+
+            $sum = (float)$style->length_in_pt($dims, $cb["h"]);
+
+            $diff = $cb["h"] - $sum;
+
+            if ($diff > 0) {
+                if ($height === "auto" && $top === "auto" && $bottom === "auto") {
+                    if ($margin_top === "auto") {
+                        $margin_top = 0;
+                    }
+                    if ($margin_bottom === "auto") {
+                        $margin_bottom = 0;
+                    }
+
+                    $height = $diff;
+                } else if ($height === "auto" && $top === "auto") {
+                    if ($margin_top === "auto") {
+                        $margin_top = 0;
+                    }
+                    if ($margin_bottom === "auto") {
+                        $margin_bottom = 0;
+                    }
+
+                    $height = $content_height;
+                    $top = $diff - $content_height;
+                } else if ($height === "auto" && $bottom === "auto") {
+                    if ($margin_top === "auto") {
+                        $margin_top = 0;
+                    }
+                    if ($margin_bottom === "auto") {
+                        $margin_bottom = 0;
+                    }
+
+                    $height = $content_height;
+                    $bottom = $diff - $content_height;
+                } else if ($top === "auto" && $bottom === "auto") {
+                    if ($margin_top === "auto") {
+                        $margin_top = 0;
+                    }
+                    if ($margin_bottom === "auto") {
+                        $margin_bottom = 0;
+                    }
+
+                    $bottom = $diff;
+                } else if ($top === "auto") {
+                    if ($margin_top === "auto") {
+                        $margin_top = 0;
+                    }
+                    if ($margin_bottom === "auto") {
+                        $margin_bottom = 0;
+                    }
+
+                    $top = $diff;
+                } else if ($height === "auto") {
+                    if ($margin_top === "auto") {
+                        $margin_top = 0;
+                    }
+                    if ($margin_bottom === "auto") {
+                        $margin_bottom = 0;
+                    }
+
+                    $height = $diff;
+                } else if ($bottom === "auto") {
+                    if ($margin_top === "auto") {
+                        $margin_top = 0;
+                    }
+                    if ($margin_bottom === "auto") {
+                        $margin_bottom = 0;
+                    }
+
+                    $bottom = $diff;
+                } else {
+                    if ($style->overflow === "visible") {
+                        // set all autos to zero
+                        if ($margin_top === "auto") {
+                            $margin_top = 0;
+                        }
+                        if ($margin_bottom === "auto") {
+                            $margin_bottom = 0;
+                        }
+                        if ($top === "auto") {
+                            $top = 0;
+                        }
+                        if ($bottom === "auto") {
+                            $bottom = 0;
+                        }
+                        if ($height === "auto") {
+                            $height = $content_height;
+                        }
+                    }
+
+                    // FIXME: overflow hidden
+                }
+            }
+
+        } else {
+            // Expand the height if overflow is visible
+            if ($height === "auto" && $content_height > $height /* && $style->overflow === "visible" */) {
+                $height = $content_height;
+            }
+
+            // FIXME: this should probably be moved to a seperate function as per
+            // _calculate_restricted_width
+
+            // Only handle min/max height if the height is independent of the frame's content
+            if (!($style->overflow === "visible" ||
+                ($style->overflow === "hidden" && $height === "auto"))
+            ) {
+
+                $min_height = $style->min_height;
+                $max_height = $style->max_height;
+
+                if (isset($cb["h"])) {
+                    $min_height = $style->length_in_pt($min_height, $cb["h"]);
+                    $max_height = $style->length_in_pt($max_height, $cb["h"]);
+
+                } else if (isset($cb["w"])) {
+                    if (mb_strpos($min_height, "%") !== false) {
+                        $min_height = 0;
+                    } else {
+                        $min_height = $style->length_in_pt($min_height, $cb["w"]);
+                    }
+
+                    if (mb_strpos($max_height, "%") !== false) {
+                        $max_height = "none";
+                    } else {
+                        $max_height = $style->length_in_pt($max_height, $cb["w"]);
+                    }
+                }
+
+                if ($max_height !== "none" && $min_height > $max_height) {
+                    // Swap 'em
+                    list($max_height, $min_height) = array($min_height, $max_height);
+                }
+
+                if ($max_height !== "none" && $height > $max_height) {
+                    $height = $max_height;
+                }
+
+                if ($height < $min_height) {
+                    $height = $min_height;
+                }
+            }
+        }
+
+        return array($height, $margin_top, $margin_bottom, $top, $bottom);
+    }
+
+    /**
+     * Adjust the justification of each of our lines.
+     * http://www.w3.org/TR/CSS21/text.html#propdef-text-align
+     */
+    protected function _text_align()
+    {
+        $style = $this->_frame->get_style();
+        $w = $this->_frame->get_containing_block("w");
+        $width = (float)$style->length_in_pt($style->width, $w);
+
+        switch ($style->text_align) {
+            default:
+            case "left":
+                foreach ($this->_frame->get_line_boxes() as $line) {
+                    if (!$line->left) {
+                        continue;
+                    }
+
+                    foreach ($line->get_frames() as $frame) {
+                        if ($frame instanceof BlockFrameDecorator) {
+                            continue;
+                        }
+                        $frame->set_position($frame->get_position("x") + $line->left);
+                    }
+                }
+                return;
+
+            case "right":
+                foreach ($this->_frame->get_line_boxes() as $line) {
+                    // Move each child over by $dx
+                    $dx = $width - $line->w - $line->right;
+
+                    foreach ($line->get_frames() as $frame) {
+                        // Block frames are not aligned by text-align
+                        if ($frame instanceof BlockFrameDecorator) {
+                            continue;
+                        }
+
+                        $frame->set_position($frame->get_position("x") + $dx);
+                    }
+                }
+                break;
+
+            case "justify":
+                // We justify all lines except the last one
+                $lines = $this->_frame->get_line_boxes(); // needs to be a variable (strict standards)
+                $last_line = array_pop($lines);
+
+                foreach ($lines as $i => $line) {
+                    if ($line->br) {
+                        unset($lines[$i]);
+                    }
+                }
+
+                // One space character's width. Will be used to get a more accurate spacing
+                $space_width = $this->get_dompdf()->getFontMetrics()->getTextWidth(" ", $style->font_family, $style->font_size);
+
+                foreach ($lines as $line) {
+                    if ($line->left) {
+                        foreach ($line->get_frames() as $frame) {
+                            if (!$frame instanceof TextFrameDecorator) {
+                                continue;
+                            }
+
+                            $frame->set_position($frame->get_position("x") + $line->left);
+                        }
+                    }
+
+                    // Set the spacing for each child
+                    if ($line->wc > 1) {
+                        $spacing = ($width - ($line->left + $line->w + $line->right) + $space_width) / ($line->wc - 1);
+                    } else {
+                        $spacing = 0;
+                    }
+
+                    $dx = 0;
+                    foreach ($line->get_frames() as $frame) {
+                        if (!$frame instanceof TextFrameDecorator) {
+                            continue;
+                        }
+
+                        $text = $frame->get_text();
+                        $spaces = mb_substr_count($text, " ");
+
+                        $char_spacing = (float)$style->length_in_pt($style->letter_spacing);
+                        $_spacing = $spacing + $char_spacing;
+
+                        $frame->set_position($frame->get_position("x") + $dx);
+                        $frame->set_text_spacing($_spacing);
+
+                        $dx += $spaces * $_spacing;
+                    }
+
+                    // The line (should) now occupy the entire width
+                    $line->w = $width;
+                }
+
+                // Adjust the last line if necessary
+                if ($last_line->left) {
+                    foreach ($last_line->get_frames() as $frame) {
+                        if ($frame instanceof BlockFrameDecorator) {
+                            continue;
+                        }
+                        $frame->set_position($frame->get_position("x") + $last_line->left);
+                    }
+                }
+                break;
+
+            case "center":
+            case "centre":
+                foreach ($this->_frame->get_line_boxes() as $line) {
+                    // Centre each line by moving each frame in the line by:
+                    $dx = ($width + $line->left - $line->w - $line->right) / 2;
+
+                    foreach ($line->get_frames() as $frame) {
+                        // Block frames are not aligned by text-align
+                        if ($frame instanceof BlockFrameDecorator) {
+                            continue;
+                        }
+
+                        $frame->set_position($frame->get_position("x") + $dx);
+                    }
+                }
+                break;
+        }
+    }
+
+    /**
+     * Align inline children vertically.
+     * Aligns each child vertically after each line is reflowed
+     */
+    function vertical_align()
+    {
+        $canvas = null;
+
+        foreach ($this->_frame->get_line_boxes() as $line) {
+
+            $height = $line->h;
+
+            foreach ($line->get_frames() as $frame) {
+                $style = $frame->get_style();
+                $isInlineBlock = (
+                    '-dompdf-image' === $style->display
+                    || 'inline-block' === $style->display
+                    || 'inline-table' === $style->display
+                );
+                if (!$isInlineBlock && $style->display !== "inline") {
+                    continue;
+                }
+
+                if (!isset($canvas)) {
+                    $canvas = $frame->get_root()->get_dompdf()->get_canvas();
+                }
+
+                $baseline = $canvas->get_font_baseline($style->font_family, $style->font_size);
+                $y_offset = 0;
+
+                //FIXME: The 0.8 ratio applied to the height is arbitrary (used to accommodate descenders?)
+                if($isInlineBlock) {
+                    $lineFrames = $line->get_frames();
+                    if (count($lineFrames) == 1) {
+                        continue;
+                    }
+                    $frameBox = $frame->get_frame()->get_border_box();
+                    $imageHeightDiff = $height * 0.8 - $frameBox['h'];
+
+                    $align = $frame->get_style()->vertical_align;
+                    if (in_array($align, Style::$vertical_align_keywords) === true) {
+                        switch ($align) {
+                            case "middle":
+                                $y_offset = $imageHeightDiff / 2;
+                                break;
+
+                            case "sub":
+                                $y_offset = 0.3 * $height + $imageHeightDiff;
+                                break;
+
+                            case "super":
+                                $y_offset = -0.2 * $height + $imageHeightDiff;
+                                break;
+
+                            case "text-top": // FIXME: this should be the height of the frame minus the height of the text
+                                $y_offset = $height - (float)$style->length_in_pt($style->get_line_height(), $style->font_size);
+                                break;
+
+                            case "top":
+                                break;
+
+                            case "text-bottom": // FIXME: align bottom of image with the descender?
+                            case "bottom":
+                                $y_offset = 0.3 * $height + $imageHeightDiff;
+                                break;
+
+                            case "baseline":
+                            default:
+                                $y_offset = $imageHeightDiff;
+                                break;
+                        }
+                    } else {
+                        $y_offset = $baseline - (float)$style->length_in_pt($align, $style->font_size) - $frameBox['h'];
+                    }
+                } else {
+                    $parent = $frame->get_parent();
+                    if ($parent instanceof TableCellFrameDecorator) {
+                        $align = "baseline";
+                    } else {
+                        $align = $parent->get_style()->vertical_align;
+                    }
+                    if (in_array($align, Style::$vertical_align_keywords) === true) {
+                        switch ($align) {
+                            case "middle":
+                                $y_offset = ($height * 0.8 - $baseline) / 2;
+                                break;
+
+                            case "sub":
+                                $y_offset = $height * 0.8 - $baseline * 0.5;
+                                break;
+
+                            case "super":
+                                $y_offset = $height * 0.8 - $baseline * 1.4;
+                                break;
+
+                            case "text-top":
+                            case "top": // Not strictly accurate, but good enough for now
+                                break;
+
+                            case "text-bottom":
+                            case "bottom":
+                                $y_offset = $height * 0.8 - $baseline;
+                                break;
+
+                            case "baseline":
+                            default:
+                                $y_offset = $height * 0.8 - $baseline;
+                                break;
+                        }
+                    } else {
+                        $y_offset = $height * 0.8 - $baseline - (float)$style->length_in_pt($align, $style->font_size);
+                    }
+                }
+
+                if ($y_offset !== 0) {
+                    $frame->move(0, $y_offset);
+                }
+            }
+        }
+    }
+
+    /**
+     * @param Frame $child
+     */
+    function process_clear(Frame $child)
+    {
+        $child_style = $child->get_style();
+        $root = $this->_frame->get_root();
+
+        // Handle "clear"
+        if ($child_style->clear !== "none") {
+            //TODO: this is a WIP for handling clear/float frames that are in between inline frames
+            if ($child->get_prev_sibling() !== null) {
+                $this->_frame->add_line();
+            }
+            if ($child_style->float !== "none" && $child->get_next_sibling()) {
+                $this->_frame->set_current_line_number($this->_frame->get_current_line_number() - 1);
+            }
+
+            $lowest_y = $root->get_lowest_float_offset($child);
+
+            // If a float is still applying, we handle it
+            if ($lowest_y) {
+                if ($child->is_in_flow()) {
+                    $line_box = $this->_frame->get_current_line_box();
+                    $line_box->y = $lowest_y + $child->get_margin_height();
+                    $line_box->left = 0;
+                    $line_box->right = 0;
+                }
+
+                $child->move(0, $lowest_y - $child->get_position("y"));
+            }
+        }
+    }
+
+    /**
+     * @param Frame $child
+     * @param float $cb_x
+     * @param float $cb_w
+     */
+    function process_float(Frame $child, $cb_x, $cb_w)
+    {
+        $child_style = $child->get_style();
+        $root = $this->_frame->get_root();
+
+        // Handle "float"
+        if ($child_style->float !== "none") {
+            $root->add_floating_frame($child);
+
+            // Remove next frame's beginning whitespace
+            $next = $child->get_next_sibling();
+            if ($next && $next instanceof TextFrameDecorator) {
+                $next->set_text(ltrim($next->get_text()));
+            }
+
+            $line_box = $this->_frame->get_current_line_box();
+            list($old_x, $old_y) = $child->get_position();
+
+            $float_x = $cb_x;
+            $float_y = $old_y;
+            $float_w = $child->get_margin_width();
+
+            if ($child_style->clear === "none") {
+                switch ($child_style->float) {
+                    case "left":
+                        $float_x += $line_box->left;
+                        break;
+                    case "right":
+                        $float_x += ($cb_w - $line_box->right - $float_w);
+                        break;
+                }
+            } else {
+                if ($child_style->float === "right") {
+                    $float_x += ($cb_w - $float_w);
+                }
+            }
+
+            if ($cb_w < $float_x + $float_w - $old_x) {
+                // TODO handle when floating elements don't fit
+            }
+
+            $line_box->get_float_offsets();
+
+            if ($child->_float_next_line) {
+                $float_y += $line_box->h;
+            }
+
+            $child->set_position($float_x, $float_y);
+            $child->move($float_x - $old_x, $float_y - $old_y, true);
+        }
+    }
+
+    /**
+     * @param BlockFrameDecorator $block
+     * @return mixed|void
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+
+        // Check if a page break is forced
+        $page = $this->_frame->get_root();
+        $page->check_forced_page_break($this->_frame);
+
+        // Bail if the page is full
+        if ($page->is_full()) {
+            return;
+        }
+
+        // Generated content
+        $this->_set_content();
+
+        // Collapse margins if required
+        $this->_collapse_margins();
+
+        $style = $this->_frame->get_style();
+        $cb = $this->_frame->get_containing_block();
+
+        if ($style->position === "fixed") {
+            $cb = $this->_frame->get_root()->get_containing_block();
+        }
+
+        // Determine the constraints imposed by this frame: calculate the width
+        // of the content area:
+        list($w, $left_margin, $right_margin, $left, $right) = $this->_calculate_restricted_width();
+
+        // Store the calculated properties
+        $style->width = $w;
+        $style->margin_left = $left_margin;
+        $style->margin_right = $right_margin;
+        $style->left = $left;
+        $style->right = $right;
+
+        // Update the position
+        $this->_frame->position();
+        list($x, $y) = $this->_frame->get_position();
+
+        // Adjust the first line based on the text-indent property
+        $indent = (float)$style->length_in_pt($style->text_indent, $cb["w"]);
+        $this->_frame->increase_line_width($indent);
+
+        // Determine the content edge
+        $top = (float)$style->length_in_pt(array($style->margin_top,
+            $style->padding_top,
+            $style->border_top_width), $cb["h"]);
+
+        $bottom = (float)$style->length_in_pt(array($style->border_bottom_width,
+            $style->margin_bottom,
+            $style->padding_bottom), $cb["h"]);
+
+        $cb_x = $x + (float)$left_margin + (float)$style->length_in_pt(array($style->border_left_width,
+                $style->padding_left), $cb["w"]);
+
+        $cb_y = $y + $top;
+
+        $cb_h = ($cb["h"] + $cb["y"]) - $bottom - $cb_y;
+
+        // Set the y position of the first line in this block
+        $line_box = $this->_frame->get_current_line_box();
+        $line_box->y = $cb_y;
+        $line_box->get_float_offsets();
+
+        // Set the containing blocks and reflow each child
+        foreach ($this->_frame->get_children() as $child) {
+
+            // Bail out if the page is full
+            if ($page->is_full()) {
+                break;
+            }
+
+            $child->set_containing_block($cb_x, $cb_y, $w, $cb_h);
+
+            $this->process_clear($child);
+
+            $child->reflow($this->_frame);
+
+            // Don't add the child to the line if a page break has occurred
+            if ($page->check_page_break($child)) {
+                break;
+            }
+
+            $this->process_float($child, $cb_x, $w);
+        }
+
+        // Determine our height
+        list($height, $margin_top, $margin_bottom, $top, $bottom) = $this->_calculate_restricted_height();
+        $style->height = $height;
+        $style->margin_top = $margin_top;
+        $style->margin_bottom = $margin_bottom;
+        $style->top = $top;
+        $style->bottom = $bottom;
+
+        $orig_style = $this->_frame->get_original_style();
+
+        $needs_reposition = ($style->position === "absolute" && ($style->right !== "auto" || $style->bottom !== "auto"));
+
+        // Absolute positioning measurement
+        if ($needs_reposition) {
+            if ($orig_style->width === "auto" && ($orig_style->left === "auto" || $orig_style->right === "auto")) {
+                $width = 0;
+                foreach ($this->_frame->get_line_boxes() as $line) {
+                    $width = max($line->w, $width);
+                }
+                $style->width = $width;
+            }
+
+            $style->left = $orig_style->left;
+            $style->right = $orig_style->right;
+        }
+
+        // Calculate inline-block / float auto-widths
+        if (($style->display === "inline-block" || $style->float !== 'none') && $orig_style->width === 'auto') {
+            $width = 0;
+
+            foreach ($this->_frame->get_line_boxes() as $line) {
+                $line->recalculate_width();
+
+                $width = max($line->w, $width);
+            }
+
+            if ($width === 0) {
+                foreach ($this->_frame->get_children() as $child) {
+                    $width += $child->calculate_auto_width();
+                }
+            }
+
+            $style->width = $width;
+        }
+
+        $this->_text_align();
+        $this->vertical_align();
+
+        // Absolute positioning
+        if ($needs_reposition) {
+            list($x, $y) = $this->_frame->get_position();
+            $this->_frame->position();
+            list($new_x, $new_y) = $this->_frame->get_position();
+            $this->_frame->move($new_x - $x, $new_y - $y, true);
+        }
+
+        if ($block && $this->_frame->is_in_flow()) {
+            $block->add_frame_to_line($this->_frame);
+
+            // May be inline-block
+            if ($style->display === "block") {
+                $block->add_line();
+            }
+        }
+    }
+
+    /**
+     * Determine current frame width based on contents
+     *
+     * @return float
+     */
+    public function calculate_auto_width()
+    {
+        $width = 0;
+
+        foreach ($this->_frame->get_line_boxes() as $line) {
+            $line_width = 0;
+
+            foreach ($line->get_frames() as $frame) {
+                if ($frame->get_original_style()->width == 'auto') {
+                    $line_width += $frame->calculate_auto_width();
+                } else {
+                    $line_width += $frame->get_margin_width();
+                }
+            }
+
+            $width = max($line_width, $width);
+        }
+
+        $this->_frame->get_style()->width = $width;
+
+        return $this->_frame->get_margin_width();
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/Image~20171216-130154.php

@@ -0,0 +1,204 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\Helpers;
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Image as ImageFrameDecorator;
+
+/**
+ * Image reflower class
+ *
+ * @package dompdf
+ */
+class Image extends AbstractFrameReflower
+{
+
+    /**
+     * Image constructor.
+     * @param ImageFrameDecorator $frame
+     */
+    function __construct(ImageFrameDecorator $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $this->_frame->position();
+
+        //FLOAT
+        //$frame = $this->_frame;
+        //$page = $frame->get_root();
+
+        //if ($frame->get_style()->float !== "none" ) {
+        //  $page->add_floating_frame($this);
+        //}
+
+        // Set the frame's width
+        $this->get_min_max_width();
+
+        if ($block) {
+            $block->add_frame_to_line($this->_frame);
+        }
+    }
+
+    /**
+     * @return array
+     */
+    function get_min_max_width()
+    {
+        if ($this->get_dompdf()->getOptions()->getDebugPng()) {
+            // Determine the image's size. Time consuming. Only when really needed?
+            list($img_width, $img_height) = Helpers::dompdf_getimagesize($this->_frame->get_image_url(), $this->get_dompdf()->getHttpContext());
+            print "get_min_max_width() " .
+                $this->_frame->get_style()->width . ' ' .
+                $this->_frame->get_style()->height . ';' .
+                $this->_frame->get_parent()->get_style()->width . " " .
+                $this->_frame->get_parent()->get_style()->height . ";" .
+                $this->_frame->get_parent()->get_parent()->get_style()->width . ' ' .
+                $this->_frame->get_parent()->get_parent()->get_style()->height . ';' .
+                $img_width . ' ' .
+                $img_height . '|';
+        }
+
+        $style = $this->_frame->get_style();
+
+        $width_forced = true;
+        $height_forced = true;
+
+        //own style auto or invalid value: use natural size in px
+        //own style value: ignore suffix text including unit, use given number as px
+        //own style %: walk up parent chain until found available space in pt; fill available space
+        //
+        //special ignored unit: e.g. 10ex: e treated as exponent; x ignored; 10e completely invalid ->like auto
+
+        $width = ($style->width > 0 ? $style->width : 0);
+        if (Helpers::is_percent($width)) {
+            $t = 0.0;
+            for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) {
+                $f_style = $f->get_style();
+                $t = $f_style->length_in_pt($f_style->width);
+                if ($t != 0) {
+                    break;
+                }
+            }
+            $width = ((float)rtrim($width, "%") * $t) / 100; //maybe 0
+        } else {
+            // Don't set image original size if "%" branch was 0 or size not given.
+            // Otherwise aspect changed on %/auto combination for width/height
+            // Resample according to px per inch
+            // See also ListBulletImage::__construct
+            $width = $style->length_in_pt($width);
+        }
+
+        $height = ($style->height > 0 ? $style->height : 0);
+        if (Helpers::is_percent($height)) {
+            $t = 0.0;
+            for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) {
+                $f_style = $f->get_style();
+                $t = $f_style->length_in_pt($f_style->height);
+                if ($t != 0) {
+                    break;
+                }
+            }
+            $height = ((float)rtrim($height, "%") * $t) / 100; //maybe 0
+        } else {
+            // Don't set image original size if "%" branch was 0 or size not given.
+            // Otherwise aspect changed on %/auto combination for width/height
+            // Resample according to px per inch
+            // See also ListBulletImage::__construct
+            $height = $style->length_in_pt($height);
+        }
+
+        if ($width == 0 || $height == 0) {
+            // Determine the image's size. Time consuming. Only when really needed!
+            list($img_width, $img_height) = Helpers::dompdf_getimagesize($this->_frame->get_image_url(), $this->get_dompdf()->getHttpContext());
+
+            // don't treat 0 as error. Can be downscaled or can be catched elsewhere if image not readable.
+            // Resample according to px per inch
+            // See also ListBulletImage::__construct
+            if ($width == 0 && $height == 0) {
+                $dpi = $this->_frame->get_dompdf()->getOptions()->getDpi();
+                $width = (float)($img_width * 72) / $dpi;
+                $height = (float)($img_height * 72) / $dpi;
+                $width_forced = false;
+                $height_forced = false;
+            } elseif ($height == 0 && $width != 0) {
+                $height_forced = false;
+                $height = ($width / $img_width) * $img_height; //keep aspect ratio
+            } elseif ($width == 0 && $height != 0) {
+                $width_forced = false;
+                $width = ($height / $img_height) * $img_width; //keep aspect ratio
+            }
+        }
+
+        // Handle min/max width/height
+        if ($style->min_width !== "none" ||
+            $style->max_width !== "none" ||
+            $style->min_height !== "none" ||
+            $style->max_height !== "none"
+        ) {
+
+            list( /*$x*/, /*$y*/, $w, $h) = $this->_frame->get_containing_block();
+
+            $min_width = $style->length_in_pt($style->min_width, $w);
+            $max_width = $style->length_in_pt($style->max_width, $w);
+            $min_height = $style->length_in_pt($style->min_height, $h);
+            $max_height = $style->length_in_pt($style->max_height, $h);
+
+            if ($max_width !== "none" && $width > $max_width) {
+                if (!$height_forced) {
+                    $height *= $max_width / $width;
+                }
+
+                $width = $max_width;
+            }
+
+            if ($min_width !== "none" && $width < $min_width) {
+                if (!$height_forced) {
+                    $height *= $min_width / $width;
+                }
+
+                $width = $min_width;
+            }
+
+            if ($max_height !== "none" && $height > $max_height) {
+                if (!$width_forced) {
+                    $width *= $max_height / $height;
+                }
+
+                $height = $max_height;
+            }
+
+            if ($min_height !== "none" && $height < $min_height) {
+                if (!$width_forced) {
+                    $width *= $min_height / $height;
+                }
+
+                $height = $min_height;
+            }
+        }
+
+        if ($this->get_dompdf()->getOptions()->getDebugPng()) print $width . ' ' . $height . ';';
+
+        $style->width = $width . "pt";
+        $style->height = $height . "pt";
+
+        $style->min_width = "none";
+        $style->max_width = "none";
+        $style->min_height = "none";
+        $style->max_height = "none";
+
+        return array($width, $width, "min" => $width, "max" => $width);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/Inline~20171216-130154.php

@@ -0,0 +1,103 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Text as TextFrameDecorator;
+
+/**
+ * Reflows inline frames
+ *
+ * @package dompdf
+ */
+class Inline extends AbstractFrameReflower
+{
+
+    /**
+     * Inline constructor.
+     * @param Frame $frame
+     */
+    function __construct(Frame $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $frame = $this->_frame;
+
+        // Check if a page break is forced
+        $page = $frame->get_root();
+        $page->check_forced_page_break($frame);
+
+        if ($page->is_full()) {
+            return;
+        }
+
+        $style = $frame->get_style();
+
+        // Generated content
+        $this->_set_content();
+
+        $frame->position();
+
+        $cb = $frame->get_containing_block();
+
+        // Add our margin, padding & border to the first and last children
+        if (($f = $frame->get_first_child()) && $f instanceof TextFrameDecorator) {
+            $f_style = $f->get_style();
+            $f_style->margin_left = $style->margin_left;
+            $f_style->padding_left = $style->padding_left;
+            $f_style->border_left = $style->border_left;
+        }
+
+        if (($l = $frame->get_last_child()) && $l instanceof TextFrameDecorator) {
+            $l_style = $l->get_style();
+            $l_style->margin_right = $style->margin_right;
+            $l_style->padding_right = $style->padding_right;
+            $l_style->border_right = $style->border_right;
+        }
+
+        if ($block) {
+            $block->add_frame_to_line($this->_frame);
+        }
+
+        // Set the containing blocks and reflow each child.  The containing
+        // block is not changed by line boxes.
+        foreach ($frame->get_children() as $child) {
+            $child->set_containing_block($cb);
+            $child->reflow($block);
+        }
+    }
+
+    /**
+     * Determine current frame width based on contents
+     *
+     * @return float
+     */
+    public function calculate_auto_width()
+    {
+        $width = 0;
+
+        foreach ($this->_frame->get_children() as $child) {
+            if ($child->get_original_style()->width == 'auto') {
+                $width += $child->calculate_auto_width();
+            } else {
+                $width += $child->get_margin_width();
+            }
+        }
+
+        $this->_frame->get_style()->width = $width;
+
+        return $this->_frame->get_margin_width();
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/ListBullet~20171216-130154.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Reflows list bullets
+ *
+ * @package dompdf
+ */
+class ListBullet extends AbstractFrameReflower
+{
+
+    /**
+     * ListBullet constructor.
+     * @param AbstractFrameDecorator $frame
+     */
+    function __construct(AbstractFrameDecorator $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $style = $this->_frame->get_style();
+
+        $style->width = $this->_frame->get_width();
+        $this->_frame->position();
+
+        if ($style->list_style_position === "inside") {
+            $p = $this->_frame->find_block_parent();
+            $p->add_frame_to_line($this->_frame);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/NullFrameReflower~20171216-130154.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\FrameReflower;
+
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+
+/**
+ * Dummy reflower
+ *
+ * @package dompdf
+ */
+class NullFrameReflower extends AbstractFrameReflower
+{
+
+    /**
+     * NullFrameReflower constructor.
+     * @param Frame $frame
+     */
+    function __construct(Frame $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        return;
+    }
+
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/Page~20171216-130154.php

@@ -0,0 +1,205 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Page as PageFrameDecorator;
+
+/**
+ * Reflows pages
+ *
+ * @package dompdf
+ */
+class Page extends AbstractFrameReflower
+{
+
+    /**
+     * Cache of the callbacks array
+     *
+     * @var array
+     */
+    private $_callbacks;
+
+    /**
+     * Cache of the canvas
+     *
+     * @var \Dompdf\Canvas
+     */
+    private $_canvas;
+
+    /**
+     * Page constructor.
+     * @param PageFrameDecorator $frame
+     */
+    function __construct(PageFrameDecorator $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param Frame $frame
+     * @param $page_number
+     */
+    function apply_page_style(Frame $frame, $page_number)
+    {
+        $style = $frame->get_style();
+        $page_styles = $style->get_stylesheet()->get_page_styles();
+
+        // http://www.w3.org/TR/CSS21/page.html#page-selectors
+        if (count($page_styles) > 1) {
+            $odd = $page_number % 2 == 1;
+            $first = $page_number == 1;
+
+            $style = clone $page_styles["base"];
+
+            // FIXME RTL
+            if ($odd && isset($page_styles[":right"])) {
+                $style->merge($page_styles[":right"]);
+            }
+
+            if ($odd && isset($page_styles[":odd"])) {
+                $style->merge($page_styles[":odd"]);
+            }
+
+            // FIXME RTL
+            if (!$odd && isset($page_styles[":left"])) {
+                $style->merge($page_styles[":left"]);
+            }
+
+            if (!$odd && isset($page_styles[":even"])) {
+                $style->merge($page_styles[":even"]);
+            }
+
+            if ($first && isset($page_styles[":first"])) {
+                $style->merge($page_styles[":first"]);
+            }
+
+            $frame->set_style($style);
+        }
+    }
+
+    /**
+     * Paged layout:
+     * http://www.w3.org/TR/CSS21/page.html
+     *
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $fixed_children = array();
+        $prev_child = null;
+        $child = $this->_frame->get_first_child();
+        $current_page = 0;
+
+        while ($child) {
+            $this->apply_page_style($this->_frame, $current_page + 1);
+
+            $style = $this->_frame->get_style();
+
+            // Pages are only concerned with margins
+            $cb = $this->_frame->get_containing_block();
+            $left = (float)$style->length_in_pt($style->margin_left, $cb["w"]);
+            $right = (float)$style->length_in_pt($style->margin_right, $cb["w"]);
+            $top = (float)$style->length_in_pt($style->margin_top, $cb["h"]);
+            $bottom = (float)$style->length_in_pt($style->margin_bottom, $cb["h"]);
+
+            $content_x = $cb["x"] + $left;
+            $content_y = $cb["y"] + $top;
+            $content_width = $cb["w"] - $left - $right;
+            $content_height = $cb["h"] - $top - $bottom;
+
+            // Only if it's the first page, we save the nodes with a fixed position
+            if ($current_page == 0) {
+                $children = $child->get_children();
+                foreach ($children as $onechild) {
+                    if ($onechild->get_style()->position === "fixed") {
+                        $fixed_children[] = $onechild->deep_copy();
+                    }
+                }
+                $fixed_children = array_reverse($fixed_children);
+            }
+
+            $child->set_containing_block($content_x, $content_y, $content_width, $content_height);
+
+            // Check for begin reflow callback
+            $this->_check_callbacks("begin_page_reflow", $child);
+
+            //Insert a copy of each node which have a fixed position
+            if ($current_page >= 1) {
+                foreach ($fixed_children as $fixed_child) {
+                    $child->insert_child_before($fixed_child->deep_copy(), $child->get_first_child());
+                }
+            }
+
+            $child->reflow();
+            $next_child = $child->get_next_sibling();
+
+            // Check for begin render callback
+            $this->_check_callbacks("begin_page_render", $child);
+
+            // Render the page
+            $this->_frame->get_renderer()->render($child);
+
+            // Check for end render callback
+            $this->_check_callbacks("end_page_render", $child);
+
+            if ($next_child) {
+                $this->_frame->next_page();
+            }
+
+            // Wait to dispose of all frames on the previous page
+            // so callback will have access to them
+            if ($prev_child) {
+                $prev_child->dispose(true);
+            }
+            $prev_child = $child;
+            $child = $next_child;
+            $current_page++;
+        }
+
+        // Dispose of previous page if it still exists
+        if ($prev_child) {
+            $prev_child->dispose(true);
+        }
+    }
+
+    /**
+     * Check for callbacks that need to be performed when a given event
+     * gets triggered on a page
+     *
+     * @param string $event the type of event
+     * @param Frame $frame  the frame that event is triggered on
+     */
+    protected function _check_callbacks($event, $frame)
+    {
+        if (!isset($this->_callbacks)) {
+            $dompdf = $this->_frame->get_dompdf();
+            $this->_callbacks = $dompdf->get_callbacks();
+            $this->_canvas = $dompdf->get_canvas();
+        }
+
+        if (is_array($this->_callbacks) && isset($this->_callbacks[$event])) {
+            $info = array(
+                0 => $this->_canvas, "canvas" => $this->_canvas,
+                1 => $frame,         "frame"  => $frame,
+            );
+            $fs = $this->_callbacks[$event];
+            foreach ($fs as $f) {
+                if (is_callable($f)) {
+                    if (is_array($f)) {
+                        $f[0]->{$f[1]}($info);
+                    } else {
+                        $f($info);
+                    }
+                }
+            }
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/TableCell~20171216-130154.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Table as TableFrameDecorator;
+
+/**
+ * Reflows table cells
+ *
+ * @package dompdf
+ */
+class TableCell extends Block
+{
+    /**
+     * TableCell constructor.
+     * @param BlockFrameDecorator $frame
+     */
+    function __construct(BlockFrameDecorator $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $style = $this->_frame->get_style();
+
+        $table = TableFrameDecorator::find_parent_table($this->_frame);
+        $cellmap = $table->get_cellmap();
+
+        list($x, $y) = $cellmap->get_frame_position($this->_frame);
+        $this->_frame->set_position($x, $y);
+
+        $cells = $cellmap->get_spanned_cells($this->_frame);
+
+        $w = 0;
+        foreach ($cells["columns"] as $i) {
+            $col = $cellmap->get_column($i);
+            $w += $col["used-width"];
+        }
+
+        //FIXME?
+        $h = $this->_frame->get_containing_block("h");
+
+        $left_space = (float)$style->length_in_pt(array($style->margin_left,
+                $style->padding_left,
+                $style->border_left_width),
+            $w);
+
+        $right_space = (float)$style->length_in_pt(array($style->padding_right,
+                $style->margin_right,
+                $style->border_right_width),
+            $w);
+
+        $top_space = (float)$style->length_in_pt(array($style->margin_top,
+                $style->padding_top,
+                $style->border_top_width),
+            $h);
+        $bottom_space = (float)$style->length_in_pt(array($style->margin_bottom,
+                $style->padding_bottom,
+                $style->border_bottom_width),
+            $h);
+
+        $style->width = $cb_w = $w - $left_space - $right_space;
+
+        $content_x = $x + $left_space;
+        $content_y = $line_y = $y + $top_space;
+
+        // Adjust the first line based on the text-indent property
+        $indent = (float)$style->length_in_pt($style->text_indent, $w);
+        $this->_frame->increase_line_width($indent);
+
+        $page = $this->_frame->get_root();
+
+        // Set the y position of the first line in the cell
+        $line_box = $this->_frame->get_current_line_box();
+        $line_box->y = $line_y;
+
+        // Set the containing blocks and reflow each child
+        foreach ($this->_frame->get_children() as $child) {
+            if ($page->is_full()) {
+                break;
+            }
+
+            $child->set_containing_block($content_x, $content_y, $cb_w, $h);
+            $this->process_clear($child);
+            $child->reflow($this->_frame);
+            $this->process_float($child, $x + $left_space, $w - $right_space - $left_space);
+        }
+
+        // Determine our height
+        $style_height = (float)$style->length_in_pt($style->height, $h);
+
+        $this->_frame->set_content_height($this->_calculate_content_height());
+
+        $height = max($style_height, (float)$this->_frame->get_content_height());
+
+        // Let the cellmap know our height
+        $cell_height = $height / count($cells["rows"]);
+
+        if ($style_height <= $height) {
+            $cell_height += $top_space + $bottom_space;
+        }
+
+        foreach ($cells["rows"] as $i) {
+            $cellmap->set_row_height($i, $cell_height);
+        }
+
+        $style->height = $height;
+        $this->_text_align();
+        $this->vertical_align();
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/TableRowGroup~20171216-130154.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Table as TableFrameDecorator;
+
+/**
+ * Reflows table row groups (e.g. tbody tags)
+ *
+ * @package dompdf
+ */
+class TableRowGroup extends AbstractFrameReflower
+{
+
+    /**
+     * TableRowGroup constructor.
+     * @param \Dompdf\Frame $frame
+     */
+    function __construct($frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $page = $this->_frame->get_root();
+
+        $style = $this->_frame->get_style();
+
+        // Our width is equal to the width of our parent table
+        $table = TableFrameDecorator::find_parent_table($this->_frame);
+
+        $cb = $this->_frame->get_containing_block();
+
+        foreach ($this->_frame->get_children() as $child) {
+            // Bail if the page is full
+            if ($page->is_full()) {
+                return;
+            }
+
+            $child->set_containing_block($cb["x"], $cb["y"], $cb["w"], $cb["h"]);
+            $child->reflow();
+
+            // Check if a split has occured
+            $page->check_page_break($child);
+        }
+
+        if ($page->is_full()) {
+            return;
+        }
+
+        $cellmap = $table->get_cellmap();
+        $style->width = $cellmap->get_frame_width($this->_frame);
+        $style->height = $cellmap->get_frame_height($this->_frame);
+
+        $this->_frame->set_position($cellmap->get_frame_position($this->_frame));
+
+        if ($table->get_style()->border_collapse === "collapse") {
+            // Unset our borders because our cells are now using them
+            $style->border_style = "none";
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/TableRow~20171216-130154.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Table as TableFrameDecorator;
+use Dompdf\FrameDecorator\TableRow as TableRowFrameDecorator;
+use Dompdf\Exception;
+
+/**
+ * Reflows table rows
+ *
+ * @package dompdf
+ */
+class TableRow extends AbstractFrameReflower
+{
+    /**
+     * TableRow constructor.
+     * @param TableRowFrameDecorator $frame
+     */
+    function __construct(TableRowFrameDecorator $frame)
+    {
+        parent::__construct($frame);
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $page = $this->_frame->get_root();
+
+        if ($page->is_full()) {
+            return;
+        }
+
+        $this->_frame->position();
+        $style = $this->_frame->get_style();
+        $cb = $this->_frame->get_containing_block();
+
+        foreach ($this->_frame->get_children() as $child) {
+            if ($page->is_full()) {
+                return;
+            }
+
+            $child->set_containing_block($cb);
+            $child->reflow();
+        }
+
+        if ($page->is_full()) {
+            return;
+        }
+
+        $table = TableFrameDecorator::find_parent_table($this->_frame);
+        $cellmap = $table->get_cellmap();
+        $style->width = $cellmap->get_frame_width($this->_frame);
+        $style->height = $cellmap->get_frame_height($this->_frame);
+
+        $this->_frame->set_position($cellmap->get_frame_position($this->_frame));
+    }
+
+    /**
+     * @throws Exception
+     */
+    function get_min_max_width()
+    {
+        throw new Exception("Min/max width is undefined for table rows");
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/Table~20171216-130154.php

@@ -0,0 +1,588 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Table as TableFrameDecorator;
+
+/**
+ * Reflows tables
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Table extends AbstractFrameReflower
+{
+    /**
+     * Frame for this reflower
+     *
+     * @var TableFrameDecorator
+     */
+    protected $_frame;
+
+    /**
+     * Cache of results between call to get_min_max_width and assign_widths
+     *
+     * @var array
+     */
+    protected $_state;
+
+    /**
+     * Table constructor.
+     * @param TableFrameDecorator $frame
+     */
+    function __construct(TableFrameDecorator $frame)
+    {
+        $this->_state = null;
+        parent::__construct($frame);
+    }
+
+    /**
+     * State is held here so it needs to be reset along with the decorator
+     */
+    function reset()
+    {
+        $this->_state = null;
+        $this->_min_max_cache = null;
+    }
+
+    protected function _assign_widths()
+    {
+        $style = $this->_frame->get_style();
+
+        // Find the min/max width of the table and sort the columns into
+        // absolute/percent/auto arrays
+        $min_width = $this->_state["min_width"];
+        $max_width = $this->_state["max_width"];
+        $percent_used = $this->_state["percent_used"];
+        $absolute_used = $this->_state["absolute_used"];
+        $auto_min = $this->_state["auto_min"];
+
+        $absolute =& $this->_state["absolute"];
+        $percent =& $this->_state["percent"];
+        $auto =& $this->_state["auto"];
+
+        // Determine the actual width of the table
+        $cb = $this->_frame->get_containing_block();
+        $columns =& $this->_frame->get_cellmap()->get_columns();
+
+        $width = $style->width;
+
+        // Calculate padding & border fudge factor
+        $left = $style->margin_left;
+        $right = $style->margin_right;
+
+        $centered = ($left === "auto" && $right === "auto");
+
+        $left = (float)($left === "auto" ? 0 : $style->length_in_pt($left, $cb["w"]));
+        $right = (float)($right === "auto" ? 0 : $style->length_in_pt($right, $cb["w"]));
+
+        $delta = $left + $right;
+
+        if (!$centered) {
+            $delta += (float)$style->length_in_pt(array(
+                    $style->padding_left,
+                    $style->border_left_width,
+                    $style->border_right_width,
+                    $style->padding_right),
+                $cb["w"]);
+        }
+
+        $min_table_width = (float)$style->length_in_pt($style->min_width, $cb["w"] - $delta);
+
+        // min & max widths already include borders & padding
+        $min_width -= $delta;
+        $max_width -= $delta;
+
+        if ($width !== "auto") {
+            $preferred_width = (float)$style->length_in_pt($width, $cb["w"]) - $delta;
+
+            if ($preferred_width < $min_table_width) {
+                $preferred_width = $min_table_width;
+            }
+
+            if ($preferred_width > $min_width) {
+                $width = $preferred_width;
+            } else {
+                $width = $min_width;
+            }
+
+        } else {
+            if ($max_width + $delta < $cb["w"]) {
+                $width = $max_width;
+            } else if ($cb["w"] - $delta > $min_width) {
+                $width = $cb["w"] - $delta;
+            } else {
+                $width = $min_width;
+            }
+
+            if ($width < $min_table_width) {
+                $width = $min_table_width;
+            }
+
+        }
+
+        // Store our resolved width
+        $style->width = $width;
+
+        $cellmap = $this->_frame->get_cellmap();
+
+        if ($cellmap->is_columns_locked()) {
+            return;
+        }
+
+        // If the whole table fits on the page, then assign each column it's max width
+        if ($width == $max_width) {
+            foreach (array_keys($columns) as $i) {
+                $cellmap->set_column_width($i, $columns[$i]["max-width"]);
+            }
+
+            return;
+        }
+
+        // Determine leftover and assign it evenly to all columns
+        if ($width > $min_width) {
+            // We have four cases to deal with:
+            //
+            // 1. All columns are auto--no widths have been specified.  In this
+            // case we distribute extra space across all columns weighted by max-width.
+            //
+            // 2. Only absolute widths have been specified.  In this case we
+            // distribute any extra space equally among 'width: auto' columns, or all
+            // columns if no auto columns have been specified.
+            //
+            // 3. Only percentage widths have been specified.  In this case we
+            // normalize the percentage values and distribute any remaining % to
+            // width: auto columns.  We then proceed to assign widths as fractions
+            // of the table width.
+            //
+            // 4. Both absolute and percentage widths have been specified.
+
+            $increment = 0;
+
+            // Case 1:
+            if ($absolute_used == 0 && $percent_used == 0) {
+                $increment = $width - $min_width;
+
+                foreach (array_keys($columns) as $i) {
+                    $cellmap->set_column_width($i, $columns[$i]["min-width"] + $increment * ($columns[$i]["max-width"] / $max_width));
+                }
+                return;
+            }
+
+            // Case 2
+            if ($absolute_used > 0 && $percent_used == 0) {
+                if (count($auto) > 0) {
+                    $increment = ($width - $auto_min - $absolute_used) / count($auto);
+                }
+
+                // Use the absolutely specified width or the increment
+                foreach (array_keys($columns) as $i) {
+                    if ($columns[$i]["absolute"] > 0 && count($auto)) {
+                        $cellmap->set_column_width($i, $columns[$i]["min-width"]);
+                    } else if (count($auto)) {
+                        $cellmap->set_column_width($i, $columns[$i]["min-width"] + $increment);
+                    } else {
+                        // All absolute columns
+                        $increment = ($width - $absolute_used) * $columns[$i]["absolute"] / $absolute_used;
+
+                        $cellmap->set_column_width($i, $columns[$i]["min-width"] + $increment);
+                    }
+
+                }
+                return;
+            }
+
+            // Case 3:
+            if ($absolute_used == 0 && $percent_used > 0) {
+                $scale = null;
+                $remaining = null;
+
+                // Scale percent values if the total percentage is > 100, or if all
+                // values are specified as percentages.
+                if ($percent_used > 100 || count($auto) == 0) {
+                    $scale = 100 / $percent_used;
+                } else {
+                    $scale = 1;
+                }
+
+                // Account for the minimum space used by the unassigned auto columns
+                $used_width = $auto_min;
+
+                foreach ($percent as $i) {
+                    $columns[$i]["percent"] *= $scale;
+
+                    $slack = $width - $used_width;
+
+                    $w = min($columns[$i]["percent"] * $width / 100, $slack);
+
+                    if ($w < $columns[$i]["min-width"]) {
+                        $w = $columns[$i]["min-width"];
+                    }
+
+                    $cellmap->set_column_width($i, $w);
+                    $used_width += $w;
+
+                }
+
+                // This works because $used_width includes the min-width of each
+                // unassigned column
+                if (count($auto) > 0) {
+                    $increment = ($width - $used_width) / count($auto);
+
+                    foreach ($auto as $i) {
+                        $cellmap->set_column_width($i, $columns[$i]["min-width"] + $increment);
+                    }
+
+                }
+                return;
+            }
+
+            // Case 4:
+
+            // First-come, first served
+            if ($absolute_used > 0 && $percent_used > 0) {
+                $used_width = $auto_min;
+
+                foreach ($absolute as $i) {
+                    $cellmap->set_column_width($i, $columns[$i]["min-width"]);
+                    $used_width += $columns[$i]["min-width"];
+                }
+
+                // Scale percent values if the total percentage is > 100 or there
+                // are no auto values to take up slack
+                if ($percent_used > 100 || count($auto) == 0) {
+                    $scale = 100 / $percent_used;
+                } else {
+                    $scale = 1;
+                }
+
+                $remaining_width = $width - $used_width;
+
+                foreach ($percent as $i) {
+                    $slack = $remaining_width - $used_width;
+
+                    $columns[$i]["percent"] *= $scale;
+                    $w = min($columns[$i]["percent"] * $remaining_width / 100, $slack);
+
+                    if ($w < $columns[$i]["min-width"])
+                        $w = $columns[$i]["min-width"];
+
+                    $columns[$i]["used-width"] = $w;
+                    $used_width += $w;
+                }
+
+                if (count($auto) > 0) {
+                    $increment = ($width - $used_width) / count($auto);
+
+                    foreach ($auto as $i) {
+                        $cellmap->set_column_width($i, $columns[$i]["min-width"] + $increment);
+                    }
+                }
+
+                return;
+            }
+        } else { // we are over constrained
+            // Each column gets its minimum width
+            foreach (array_keys($columns) as $i) {
+                $cellmap->set_column_width($i, $columns[$i]["min-width"]);
+            }
+        }
+    }
+
+    /**
+     * Determine the frame's height based on min/max height
+     *
+     * @return float|int|mixed|string
+     */
+    protected function _calculate_height()
+    {
+        $style = $this->_frame->get_style();
+        $height = $style->height;
+
+        $cellmap = $this->_frame->get_cellmap();
+        $cellmap->assign_frame_heights();
+        $rows = $cellmap->get_rows();
+
+        // Determine our content height
+        $content_height = 0;
+        foreach ($rows as $r) {
+            $content_height += $r["height"];
+        }
+
+        $cb = $this->_frame->get_containing_block();
+
+        if (!($style->overflow === "visible" ||
+            ($style->overflow === "hidden" && $height === "auto"))
+        ) {
+            // Only handle min/max height if the height is independent of the frame's content
+
+            $min_height = $style->min_height;
+            $max_height = $style->max_height;
+
+            if (isset($cb["h"])) {
+                $min_height = $style->length_in_pt($min_height, $cb["h"]);
+                $max_height = $style->length_in_pt($max_height, $cb["h"]);
+
+            } else if (isset($cb["w"])) {
+                if (mb_strpos($min_height, "%") !== false) {
+                    $min_height = 0;
+                } else {
+                    $min_height = $style->length_in_pt($min_height, $cb["w"]);
+                }
+                if (mb_strpos($max_height, "%") !== false) {
+                    $max_height = "none";
+                } else {
+                    $max_height = $style->length_in_pt($max_height, $cb["w"]);
+                }
+            }
+
+            if ($max_height !== "none" && $min_height > $max_height) {
+                // Swap 'em
+                list($max_height, $min_height) = array($min_height, $max_height);
+            }
+
+            if ($max_height !== "none" && $height > $max_height) {
+                $height = $max_height;
+            }
+
+            if ($height < $min_height) {
+                $height = $min_height;
+            }
+        } else {
+            // Use the content height or the height value, whichever is greater
+            if ($height !== "auto") {
+                $height = $style->length_in_pt($height, $cb["h"]);
+
+                if ($height <= $content_height) {
+                    $height = $content_height;
+                } else {
+                    $cellmap->set_frame_heights($height, $content_height);
+                }
+            } else {
+                $height = $content_height;
+            }
+        }
+
+        return $height;
+    }
+
+    /**
+     * @param BlockFrameDecorator $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        /** @var TableFrameDecorator */
+        $frame = $this->_frame;
+
+        // Check if a page break is forced
+        $page = $frame->get_root();
+        $page->check_forced_page_break($frame);
+
+        // Bail if the page is full
+        if ($page->is_full()) {
+            return;
+        }
+
+        // Let the page know that we're reflowing a table so that splits
+        // are suppressed (simply setting page-break-inside: avoid won't
+        // work because we may have an arbitrary number of block elements
+        // inside tds.)
+        $page->table_reflow_start();
+
+        // Collapse vertical margins, if required
+        $this->_collapse_margins();
+
+        $frame->position();
+
+        // Table layout algorithm:
+        // http://www.w3.org/TR/CSS21/tables.html#auto-table-layout
+
+        if (is_null($this->_state)) {
+            $this->get_min_max_width();
+        }
+
+        $cb = $frame->get_containing_block();
+        $style = $frame->get_style();
+
+        // This is slightly inexact, but should be okay.  Add half the
+        // border-spacing to the table as padding.  The other half is added to
+        // the cells themselves.
+        if ($style->border_collapse === "separate") {
+            list($h, $v) = $style->border_spacing;
+
+            $v = (float)$style->length_in_pt($v) / 2;
+            $h = (float)$style->length_in_pt($h) / 2;
+
+            $style->padding_left = (float)$style->length_in_pt($style->padding_left, $cb["w"]) + $h;
+            $style->padding_right = (float)$style->length_in_pt($style->padding_right, $cb["w"]) + $h;
+            $style->padding_top = (float)$style->length_in_pt($style->padding_top, $cb["h"]) + $v;
+            $style->padding_bottom = (float)$style->length_in_pt($style->padding_bottom, $cb["h"]) + $v;
+        }
+
+        $this->_assign_widths();
+
+        // Adjust left & right margins, if they are auto
+        $width = $style->width;
+        $left = $style->margin_left;
+        $right = $style->margin_right;
+
+        $diff = $cb["w"] - $width;
+
+        if ($left === "auto" && $right === "auto") {
+            if ($diff < 0) {
+                $left = 0;
+                $right = $diff;
+            } else {
+                $left = $right = $diff / 2;
+            }
+
+            $style->margin_left = sprintf("%Fpt", $left);
+            $style->margin_right = sprintf("%Fpt", $right);;
+        } else {
+            if ($left === "auto") {
+                $left = (float)$style->length_in_pt($cb["w"] - $right - $width, $cb["w"]);
+            }
+            if ($right === "auto") {
+                $left = (float)$style->length_in_pt($left, $cb["w"]);
+            }
+        }
+
+        list($x, $y) = $frame->get_position();
+
+        // Determine the content edge
+        $content_x = $x + (float)$left + (float)$style->length_in_pt(array($style->padding_left,
+                $style->border_left_width), $cb["w"]);
+        $content_y = $y + (float)$style->length_in_pt(array($style->margin_top,
+                $style->border_top_width,
+                $style->padding_top), $cb["h"]);
+
+        if (isset($cb["h"])) {
+            $h = $cb["h"];
+        } else {
+            $h = null;
+        }
+
+        $cellmap = $frame->get_cellmap();
+        $col =& $cellmap->get_column(0);
+        $col["x"] = $content_x;
+
+        $row =& $cellmap->get_row(0);
+        $row["y"] = $content_y;
+
+        $cellmap->assign_x_positions();
+
+        // Set the containing block of each child & reflow
+        foreach ($frame->get_children() as $child) {
+            // Bail if the page is full
+            if (!$page->in_nested_table() && $page->is_full()) {
+                break;
+            }
+
+            $child->set_containing_block($content_x, $content_y, $width, $h);
+            $child->reflow();
+
+            if (!$page->in_nested_table()) {
+                // Check if a split has occured
+                $page->check_page_break($child);
+            }
+
+        }
+
+        // Assign heights to our cells:
+        $style->height = $this->_calculate_height();
+
+        if ($style->border_collapse === "collapse") {
+            // Unset our borders because our cells are now using them
+            $style->border_style = "none";
+        }
+
+        $page->table_reflow_end();
+
+        // Debugging:
+        //echo ($this->_frame->get_cellmap());
+
+        if ($block && $style->float === "none" && $frame->is_in_flow()) {
+            $block->add_frame_to_line($frame);
+            $block->add_line();
+        }
+    }
+
+    /**
+     * @return array|null
+     */
+    function get_min_max_width()
+    {
+        if (!is_null($this->_min_max_cache)) {
+            return $this->_min_max_cache;
+        }
+
+        $style = $this->_frame->get_style();
+
+        $this->_frame->normalise();
+
+        // Add the cells to the cellmap (this will calcluate column widths as
+        // frames are added)
+        $this->_frame->get_cellmap()->add_frame($this->_frame);
+
+        // Find the min/max width of the table and sort the columns into
+        // absolute/percent/auto arrays
+        $this->_state = array();
+        $this->_state["min_width"] = 0;
+        $this->_state["max_width"] = 0;
+
+        $this->_state["percent_used"] = 0;
+        $this->_state["absolute_used"] = 0;
+        $this->_state["auto_min"] = 0;
+
+        $this->_state["absolute"] = array();
+        $this->_state["percent"] = array();
+        $this->_state["auto"] = array();
+
+        $columns =& $this->_frame->get_cellmap()->get_columns();
+        foreach (array_keys($columns) as $i) {
+            $this->_state["min_width"] += $columns[$i]["min-width"];
+            $this->_state["max_width"] += $columns[$i]["max-width"];
+
+            if ($columns[$i]["absolute"] > 0) {
+                $this->_state["absolute"][] = $i;
+                $this->_state["absolute_used"] += $columns[$i]["absolute"];
+            } else if ($columns[$i]["percent"] > 0) {
+                $this->_state["percent"][] = $i;
+                $this->_state["percent_used"] += $columns[$i]["percent"];
+            } else {
+                $this->_state["auto"][] = $i;
+                $this->_state["auto_min"] += $columns[$i]["min-width"];
+            }
+        }
+
+        // Account for margins & padding
+        $dims = array($style->border_left_width,
+            $style->border_right_width,
+            $style->padding_left,
+            $style->padding_right,
+            $style->margin_left,
+            $style->margin_right);
+
+        if ($style->border_collapse !== "collapse") {
+            list($dims[]) = $style->border_spacing;
+        }
+
+        $delta = (float)$style->length_in_pt($dims, $this->_frame->get_containing_block("w"));
+
+        $this->_state["min_width"] += $delta;
+        $this->_state["max_width"] += $delta;
+
+        return $this->_min_max_cache = array(
+            $this->_state["min_width"],
+            $this->_state["max_width"],
+            "min" => $this->_state["min_width"],
+            "max" => $this->_state["max_width"],
+        );
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/FrameReflower/Text~20171216-130154.php

@@ -0,0 +1,500 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\FrameReflower;
+
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\FrameDecorator\Text as TextFrameDecorator;
+use Dompdf\FontMetrics;
+
+/**
+ * Reflows text frames.
+ *
+ * @package dompdf
+ */
+class Text extends AbstractFrameReflower
+{
+
+    /**
+     * @var BlockFrameDecorator
+     */
+    protected $_block_parent; // Nearest block-level ancestor
+
+    /**
+     * @var TextFrameDecorator
+     */
+    protected $_frame;
+
+    public static $_whitespace_pattern = "/[ \t\r\n\f]+/u";
+
+    /**
+     * @var FontMetrics
+     */
+    private $fontMetrics;
+
+    /**
+     * @param TextFrameDecorator $frame
+     * @param FontMetrics $fontMetrics
+     */
+    public function __construct(TextFrameDecorator $frame, FontMetrics $fontMetrics)
+    {
+        parent::__construct($frame);
+        $this->setFontMetrics($fontMetrics);
+    }
+
+    /**
+     * @param $text
+     * @return mixed
+     */
+    protected function _collapse_white_space($text)
+    {
+        //$text = $this->_frame->get_text();
+//     if ( $this->_block_parent->get_current_line_box->w == 0 )
+//       $text = ltrim($text, " \n\r\t");
+        return preg_replace(self::$_whitespace_pattern, " ", $text);
+    }
+
+    /**
+     * @param $text
+     * @return bool|int
+     */
+    protected function _line_break($text)
+    {
+        $style = $this->_frame->get_style();
+        $size = $style->font_size;
+        $font = $style->font_family;
+        $current_line = $this->_block_parent->get_current_line_box();
+
+        // Determine the available width
+        $line_width = $this->_frame->get_containing_block("w");
+        $current_line_width = $current_line->left + $current_line->w + $current_line->right;
+
+        $available_width = $line_width - $current_line_width;
+
+        // Account for word-spacing
+        $word_spacing = (float)$style->length_in_pt($style->word_spacing);
+        $char_spacing = (float)$style->length_in_pt($style->letter_spacing);
+
+        // Determine the frame width including margin, padding & border
+        $text_width = $this->getFontMetrics()->getTextWidth($text, $font, $size, $word_spacing, $char_spacing);
+        $mbp_width =
+            (float)$style->length_in_pt(array($style->margin_left,
+                $style->border_left_width,
+                $style->padding_left,
+                $style->padding_right,
+                $style->border_right_width,
+                $style->margin_right), $line_width);
+
+        $frame_width = $text_width + $mbp_width;
+
+// Debugging:
+//    Helpers::pre_r("Text: '" . htmlspecialchars($text). "'");
+//    Helpers::pre_r("width: " .$frame_width);
+//    Helpers::pre_r("textwidth + delta: $text_width + $mbp_width");
+//    Helpers::pre_r("font-size: $size");
+//    Helpers::pre_r("cb[w]: " .$line_width);
+//    Helpers::pre_r("available width: " . $available_width);
+//    Helpers::pre_r("current line width: " . $current_line_width);
+
+//     Helpers::pre_r($words);
+
+        if ($frame_width <= $available_width) {
+            return false;
+        }
+
+        // split the text into words
+        $words = preg_split('/([\s-]+)/u', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
+        $wc = count($words);
+
+        // Determine the split point
+        $width = 0;
+        $str = "";
+        reset($words);
+
+        // @todo support <shy>, <wbr>
+        for ($i = 0; $i < $wc; $i += 2) {
+            $word = $words[$i] . (isset($words[$i + 1]) ? $words[$i + 1] : "");
+            $word_width = $this->getFontMetrics()->getTextWidth($word, $font, $size, $word_spacing, $char_spacing);
+            if ($width + $word_width + $mbp_width > $available_width) {
+                break;
+            }
+
+            $width += $word_width;
+            $str .= $word;
+        }
+
+        $break_word = ($style->word_wrap === "break-word");
+
+        // The first word has overflowed.   Force it onto the line
+        if ($current_line_width == 0 && $width == 0) {
+            $s = "";
+            $last_width = 0;
+
+            if ($break_word) {
+                for ($j = 0; $j < strlen($word); $j++) {
+                    $s .= $word[$j];
+                    $_width = $this->getFontMetrics()->getTextWidth($s, $font, $size, $word_spacing, $char_spacing);
+                    if ($_width > $available_width) {
+                        break;
+                    }
+
+                    $last_width = $_width;
+                }
+            }
+
+            if ($break_word && $last_width > 0) {
+                //$width += $last_width;
+                $str .= substr($s, 0, -1);
+            } else {
+                //$width += $word_width;
+                $str .= $word;
+            }
+        }
+
+        $offset = mb_strlen($str);
+
+        // More debugging:
+        //     var_dump($str);
+        //     print_r("Width: ". $width);
+        //     print_r("Offset: " . $offset);
+
+        return $offset;
+    }
+
+    //........................................................................
+
+    /**
+     * @param $text
+     * @return bool|int
+     */
+    protected function _newline_break($text)
+    {
+        if (($i = mb_strpos($text, "\n")) === false) {
+            return false;
+        }
+
+        return $i + 1;
+    }
+
+    /**
+     *
+     */
+    protected function _layout_line()
+    {
+        $frame = $this->_frame;
+        $style = $frame->get_style();
+        $text = $frame->get_text();
+        $size = $style->font_size;
+        $font = $style->font_family;
+
+        // Determine the text height
+        $style->height = $this->getFontMetrics()->getFontHeight($font, $size);
+
+        $split = false;
+        $add_line = false;
+
+        // Handle text transform:
+        // http://www.w3.org/TR/CSS21/text.html#propdef-text-transform
+        switch (strtolower($style->text_transform)) {
+            default:
+                break;
+            case "capitalize":
+                $text = mb_convert_case($text, MB_CASE_TITLE);
+                break;
+            case "uppercase":
+                $text = mb_convert_case($text, MB_CASE_UPPER);
+                break;
+            case "lowercase":
+                $text = mb_convert_case($text, MB_CASE_LOWER);
+                break;
+        }
+
+        // Handle white-space property:
+        // http://www.w3.org/TR/CSS21/text.html#propdef-white-space
+        switch ($style->white_space) {
+            default:
+            case "normal":
+                $frame->set_text($text = $this->_collapse_white_space($text));
+                if ($text == "")
+                    break;
+
+                $split = $this->_line_break($text);
+                break;
+
+            case "pre":
+                $split = $this->_newline_break($text);
+                $add_line = $split !== false;
+                break;
+
+            case "nowrap":
+                $frame->set_text($text = $this->_collapse_white_space($text));
+                break;
+
+            case "pre-wrap":
+                $split = $this->_newline_break($text);
+
+                if (($tmp = $this->_line_break($text)) !== false) {
+                    $add_line = $split < $tmp;
+                    $split = min($tmp, $split);
+                } else
+                    $add_line = true;
+
+                break;
+
+            case "pre-line":
+                // Collapse white-space except for \n
+                $frame->set_text($text = preg_replace("/[ \t]+/u", " ", $text));
+
+                if ($text == "") {
+                    break;
+                }
+
+                $split = $this->_newline_break($text);
+
+                if (($tmp = $this->_line_break($text)) !== false) {
+                    $add_line = $split < $tmp;
+                    $split = min($tmp, $split);
+                } else {
+                    $add_line = true;
+                }
+
+                break;
+
+        }
+
+        // Handle degenerate case
+        if ($text === "") {
+            return;
+        }
+
+        if ($split !== false) {
+            // Handle edge cases
+            if ($split == 0 && $text === " ") {
+                $frame->set_text("");
+                return;
+            }
+
+            if ($split == 0) {
+                // Trim newlines from the beginning of the line
+                //$this->_frame->set_text(ltrim($text, "\n\r"));
+
+                $this->_block_parent->maximize_line_height($style->height, $frame);
+                $this->_block_parent->add_line();
+                $frame->position();
+
+                // Layout the new line
+                $this->_layout_line();
+            } else if ($split < mb_strlen($frame->get_text())) {
+                // split the line if required
+                $frame->split_text($split);
+
+                $t = $frame->get_text();
+
+                // Remove any trailing newlines
+                if ($split > 1 && $t[$split - 1] === "\n" && !$frame->is_pre())
+                    $frame->set_text(mb_substr($t, 0, -1));
+
+                // Do we need to trim spaces on wrapped lines? This might be desired, however, we
+                // can't trim the lines here or the layout will be affected if trimming the line
+                // leaves enough space to fit the next word in the text stream (because pdf layout
+                // is performed elsewhere).
+                /*if (!$this->_frame->get_prev_sibling() && !$this->_frame->get_next_sibling()) {
+                  $t = $this->_frame->get_text();
+                  $this->_frame->set_text( trim($t) );
+                }*/
+            }
+
+            if ($add_line) {
+                $this->_block_parent->add_line();
+                $frame->position();
+            }
+        } else {
+            // Remove empty space from start and end of line, but only where there isn't an inline sibling
+            // and the parent node isn't an inline element with siblings
+            // FIXME: Include non-breaking spaces?
+            $t = $frame->get_text();
+            $parent = $frame->get_parent();
+            $is_inline_frame = ($parent instanceof \Dompdf\FrameDecorator\Inline);
+
+            if ((!$is_inline_frame && !$frame->get_next_sibling()) /* ||
+          ( $is_inline_frame && !$parent->get_next_sibling())*/
+            ) { // fails <b>BOLD <u>UNDERLINED</u></b> becomes <b>BOLD<u>UNDERLINED</u></b>
+                $t = rtrim($t);
+            }
+
+            if ((!$is_inline_frame && !$frame->get_prev_sibling()) /* ||
+          ( $is_inline_frame && !$parent->get_prev_sibling())*/
+            ) { //  <span><span>A<span>B</span> C</span></span> fails (the whitespace is removed)
+                $t = ltrim($t);
+            }
+
+            $frame->set_text($t);
+
+        }
+
+        // Set our new width
+        $width = $frame->recalculate_width();
+    }
+
+    /**
+     * @param BlockFrameDecorator|null $block
+     */
+    function reflow(BlockFrameDecorator $block = null)
+    {
+        $frame = $this->_frame;
+        $page = $frame->get_root();
+        $page->check_forced_page_break($this->_frame);
+
+        if ($page->is_full()) {
+            return;
+        }
+
+        $this->_block_parent = /*isset($block) ? $block : */
+        $frame->find_block_parent();
+
+        // Left trim the text if this is the first text on the line and we're
+        // collapsing white space
+//     if ( $this->_block_parent->get_current_line()->w == 0 &&
+//          ($frame->get_style()->white_space !== "pre" ||
+//           $frame->get_style()->white_space !== "pre-wrap") ) {
+//       $frame->set_text( ltrim( $frame->get_text() ) );
+//     }
+
+        $frame->position();
+
+        $this->_layout_line();
+
+        if ($block) {
+            $block->add_frame_to_line($frame);
+        }
+    }
+
+    //........................................................................
+
+    // Returns an array(0 => min, 1 => max, "min" => min, "max" => max) of the
+    // minimum and maximum widths of this frame
+    function get_min_max_width()
+    {
+        /*if ( !is_null($this->_min_max_cache)  )
+          return $this->_min_max_cache;*/
+        $frame = $this->_frame;
+        $style = $frame->get_style();
+        $this->_block_parent = $frame->find_block_parent();
+        $line_width = $frame->get_containing_block("w");
+
+        $str = $text = $frame->get_text();
+        $size = $style->font_size;
+        $font = $style->font_family;
+
+        $word_spacing = (float)$style->length_in_pt($style->word_spacing);
+        $char_spacing = (float)$style->length_in_pt($style->letter_spacing);
+
+        switch ($style->white_space) {
+            default:
+            case "normal":
+                $str = preg_replace(self::$_whitespace_pattern, " ", $str);
+            case "pre-wrap":
+            case "pre-line":
+
+                // Find the longest word (i.e. minimum length)
+
+                // This technique (using arrays & an anonymous function) is actually
+                // faster than doing a single-pass character by character scan.  Heh,
+                // yes I took the time to bench it ;)
+                $words = array_flip(preg_split("/[\s-]+/u", $str, -1, PREG_SPLIT_DELIM_CAPTURE));
+                $root = $this;
+                array_walk($words, function(&$val, $str) use ($font, $size, $word_spacing, $char_spacing, $root) {
+                    $val = $root->getFontMetrics()->getTextWidth($str, $font, $size, $word_spacing, $char_spacing);
+                });
+
+                arsort($words);
+                $min = reset($words);
+                break;
+
+            case "pre":
+                $lines = array_flip(preg_split("/\n/u", $str));
+                $root = $this;
+                array_walk($lines, function(&$val, $str) use ($font, $size, $word_spacing, $char_spacing, $root) {
+                    $val = $root->getFontMetrics()->getTextWidth($str, $font, $size, $word_spacing, $char_spacing);
+                });
+
+                arsort($lines);
+                $min = reset($lines);
+                break;
+
+            case "nowrap":
+                $min = $this->getFontMetrics()->getTextWidth($this->_collapse_white_space($str), $font, $size, $word_spacing, $char_spacing);
+                break;
+        }
+
+        switch ($style->white_space) {
+            default:
+            case "normal":
+            case "nowrap":
+                $str = preg_replace(self::$_whitespace_pattern, " ", $text);
+                break;
+
+            case "pre-line":
+                //XXX: Is this correct?
+                $str = preg_replace("/[ \t]+/u", " ", $text);
+
+            case "pre-wrap":
+                // Find the longest word (i.e. minimum length)
+                $lines = array_flip(preg_split("/\n/", $text));
+                $root = $this;
+                array_walk($lines, function(&$val, $str) use ($font, $size, $word_spacing, $char_spacing, $root) {
+                    $val = $root->getFontMetrics()->getTextWidth($str, $font, $size, $word_spacing, $char_spacing);
+                });
+                arsort($lines);
+                reset($lines);
+                $str = key($lines);
+                break;
+        }
+
+        $max = $this->getFontMetrics()->getTextWidth($str, $font, $size, $word_spacing, $char_spacing);
+
+        $delta = (float)$style->length_in_pt(array($style->margin_left,
+            $style->border_left_width,
+            $style->padding_left,
+            $style->padding_right,
+            $style->border_right_width,
+            $style->margin_right), $line_width);
+        $min += $delta;
+        $max += $delta;
+
+        return $this->_min_max_cache = array($min, $max, "min" => $min, "max" => $max);
+    }
+
+    /**
+     * @param FontMetrics $fontMetrics
+     * @return $this
+     */
+    public function setFontMetrics(FontMetrics $fontMetrics)
+    {
+        $this->fontMetrics = $fontMetrics;
+        return $this;
+    }
+
+    /**
+     * @return FontMetrics
+     */
+    public function getFontMetrics()
+    {
+        return $this->fontMetrics;
+    }
+
+    /**
+     * Determine current frame width based on contents
+     *
+     * @return float
+     */
+    public function calculate_auto_width()
+    {
+        return $this->_frame->recalculate_width();
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Helpers~20171216-130154.php

@@ -0,0 +1,828 @@
+<?php
+namespace Dompdf;
+
+class Helpers
+{
+    /**
+     * print_r wrapper for html/cli output
+     *
+     * Wraps print_r() output in < pre > tags if the current sapi is not 'cli'.
+     * Returns the output string instead of displaying it if $return is true.
+     *
+     * @param mixed $mixed variable or expression to display
+     * @param bool $return
+     *
+     * @return string|null
+     */
+    public static function pre_r($mixed, $return = false)
+    {
+        if ($return) {
+            return "<pre>" . print_r($mixed, true) . "</pre>";
+        }
+
+        if (php_sapi_name() !== "cli") {
+            echo "<pre>";
+        }
+
+        print_r($mixed);
+
+        if (php_sapi_name() !== "cli") {
+            echo "</pre>";
+        } else {
+            echo "\n";
+        }
+
+        flush();
+
+        return null;
+    }
+
+      /**
+     * builds a full url given a protocol, hostname, base path and url
+     *
+     * @param string $protocol
+     * @param string $host
+     * @param string $base_path
+     * @param string $url
+     * @return string
+     *
+     * Initially the trailing slash of $base_path was optional, and conditionally appended.
+     * However on dynamically created sites, where the page is given as url parameter,
+     * the base path might not end with an url.
+     * Therefore do not append a slash, and **require** the $base_url to ending in a slash
+     * when needed.
+     * Vice versa, on using the local file system path of a file, make sure that the slash
+     * is appended (o.k. also for Windows)
+     */
+    public static function build_url($protocol, $host, $base_path, $url)
+    {
+        $protocol = mb_strtolower($protocol);
+        if (strlen($url) == 0) {
+            //return $protocol . $host . rtrim($base_path, "/\\") . "/";
+            return $protocol . $host . $base_path;
+        }
+
+        // Is the url already fully qualified, a Data URI, or a reference to a named anchor?
+        if (mb_strpos($url, "://") !== false || mb_substr($url, 0, 1) === "#" || mb_strpos($url, "data:") === 0 || mb_strpos($url, "mailto:") === 0) {
+            return $url;
+        }
+
+        $ret = $protocol;
+
+        if (!in_array(mb_strtolower($protocol), array("http://", "https://", "ftp://", "ftps://"))) {
+            //On Windows local file, an abs path can begin also with a '\' or a drive letter and colon
+            //drive: followed by a relative path would be a drive specific default folder.
+            //not known in php app code, treat as abs path
+            //($url[1] !== ':' || ($url[2]!=='\\' && $url[2]!=='/'))
+            if ($url[0] !== '/' && (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' || (mb_strlen($url) > 1 && $url[0] !== '\\' && $url[1] !== ':'))) {
+                // For rel path and local acess we ignore the host, and run the path through realpath()
+                $ret .= realpath($base_path) . '/';
+            }
+            $ret .= $url;
+            $ret = preg_replace('/\?(.*)$/', "", $ret);
+            return $ret;
+        }
+
+        // Protocol relative urls (e.g. "//example.org/style.css")
+        if (strpos($url, '//') === 0) {
+            $ret .= substr($url, 2);
+            //remote urls with backslash in html/css are not really correct, but lets be genereous
+        } elseif ($url[0] === '/' || $url[0] === '\\') {
+            // Absolute path
+            $ret .= $host . $url;
+        } else {
+            // Relative path
+            //$base_path = $base_path !== "" ? rtrim($base_path, "/\\") . "/" : "";
+            $ret .= $host . $base_path . $url;
+        }
+
+        return $ret;
+    }
+
+    /**
+     * Converts decimal numbers to roman numerals
+     *
+     * @param int $num
+     *
+     * @throws Exception
+     * @return string
+     */
+    public static function dec2roman($num)
+    {
+
+        static $ones = array("", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix");
+        static $tens = array("", "x", "xx", "xxx", "xl", "l", "lx", "lxx", "lxxx", "xc");
+        static $hund = array("", "c", "cc", "ccc", "cd", "d", "dc", "dcc", "dccc", "cm");
+        static $thou = array("", "m", "mm", "mmm");
+
+        if (!is_numeric($num)) {
+            throw new Exception("dec2roman() requires a numeric argument.");
+        }
+
+        if ($num > 4000 || $num < 0) {
+            return "(out of range)";
+        }
+
+        $num = strrev((string)$num);
+
+        $ret = "";
+        switch (mb_strlen($num)) {
+            /** @noinspection PhpMissingBreakStatementInspection */
+            case 4:
+                $ret .= $thou[$num[3]];
+            /** @noinspection PhpMissingBreakStatementInspection */
+            case 3:
+                $ret .= $hund[$num[2]];
+            /** @noinspection PhpMissingBreakStatementInspection */
+            case 2:
+                $ret .= $tens[$num[1]];
+            /** @noinspection PhpMissingBreakStatementInspection */
+            case 1:
+                $ret .= $ones[$num[0]];
+            default:
+                break;
+        }
+
+        return $ret;
+    }
+
+    /**
+     * Determines whether $value is a percentage or not
+     *
+     * @param float $value
+     *
+     * @return bool
+     */
+    public static function is_percent($value)
+    {
+        return false !== mb_strpos($value, "%");
+    }
+
+    /**
+     * Parses a data URI scheme
+     * http://en.wikipedia.org/wiki/Data_URI_scheme
+     *
+     * @param string $data_uri The data URI to parse
+     *
+     * @return array|bool The result with charset, mime type and decoded data
+     */
+    public static function parse_data_uri($data_uri)
+    {
+        if (!preg_match('/^data:(?P<mime>[a-z0-9\/+-.]+)(;charset=(?P<charset>[a-z0-9-])+)?(?P<base64>;base64)?\,(?P<data>.*)?/is', $data_uri, $match)) {
+            return false;
+        }
+
+        $match['data'] = rawurldecode($match['data']);
+        $result = array(
+            'charset' => $match['charset'] ? $match['charset'] : 'US-ASCII',
+            'mime' => $match['mime'] ? $match['mime'] : 'text/plain',
+            'data' => $match['base64'] ? base64_decode($match['data']) : $match['data'],
+        );
+
+        return $result;
+    }
+
+    /**
+     * Encodes a Uniform Resource Identifier (URI) by replacing non-alphanumeric
+     * characters with a percent (%) sign followed by two hex digits, excepting 
+     * characters in the URI reserved character set.
+     * 
+     * Assumes that the URI is a complete URI, so does not encode reserved 
+     * characters that have special meaning in the URI.
+     *
+     * Simulates the encodeURI function available in JavaScript  
+     * https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/encodeURI
+     * 
+     * Source: http://stackoverflow.com/q/4929584/264628
+     *
+     * @param string $uri The URI to encode
+     * @return string The original URL with special characters encoded
+     */
+    public static function encodeURI($uri) {
+        $unescaped = array(
+            '%2D'=>'-','%5F'=>'_','%2E'=>'.','%21'=>'!', '%7E'=>'~',
+            '%2A'=>'*', '%27'=>"'", '%28'=>'(', '%29'=>')'
+        );
+        $reserved = array(
+            '%3B'=>';','%2C'=>',','%2F'=>'/','%3F'=>'?','%3A'=>':',
+            '%40'=>'@','%26'=>'&','%3D'=>'=','%2B'=>'+','%24'=>'$'
+        );
+        $score = array(
+            '%23'=>'#'
+        );
+        return strtr(rawurlencode(rawurldecode($uri)), array_merge($reserved,$unescaped,$score));
+    }
+
+    /**
+     * Decoder for RLE8 compression in windows bitmaps
+     * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
+     *
+     * @param string $str Data to decode
+     * @param integer $width Image width
+     *
+     * @return string
+     */
+    public static function rle8_decode($str, $width)
+    {
+        $lineWidth = $width + (3 - ($width - 1) % 4);
+        $out = '';
+        $cnt = strlen($str);
+
+        for ($i = 0; $i < $cnt; $i++) {
+            $o = ord($str[$i]);
+            switch ($o) {
+                case 0: # ESCAPE
+                    $i++;
+                    switch (ord($str[$i])) {
+                        case 0: # NEW LINE
+                            $padCnt = $lineWidth - strlen($out) % $lineWidth;
+                            if ($padCnt < $lineWidth) $out .= str_repeat(chr(0), $padCnt); # pad line
+                            break;
+                        case 1: # END OF FILE
+                            $padCnt = $lineWidth - strlen($out) % $lineWidth;
+                            if ($padCnt < $lineWidth) $out .= str_repeat(chr(0), $padCnt); # pad line
+                            break 3;
+                        case 2: # DELTA
+                            $i += 2;
+                            break;
+                        default: # ABSOLUTE MODE
+                            $num = ord($str[$i]);
+                            for ($j = 0; $j < $num; $j++)
+                                $out .= $str[++$i];
+                            if ($num % 2) $i++;
+                    }
+                    break;
+                default:
+                    $out .= str_repeat($str[++$i], $o);
+            }
+        }
+        return $out;
+    }
+
+    /**
+     * Decoder for RLE4 compression in windows bitmaps
+     * see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
+     *
+     * @param string $str Data to decode
+     * @param integer $width Image width
+     *
+     * @return string
+     */
+    public static function rle4_decode($str, $width)
+    {
+        $w = floor($width / 2) + ($width % 2);
+        $lineWidth = $w + (3 - (($width - 1) / 2) % 4);
+        $pixels = array();
+        $cnt = strlen($str);
+        $c = 0;
+
+        for ($i = 0; $i < $cnt; $i++) {
+            $o = ord($str[$i]);
+            switch ($o) {
+                case 0: # ESCAPE
+                    $i++;
+                    switch (ord($str[$i])) {
+                        case 0: # NEW LINE
+                            while (count($pixels) % $lineWidth != 0) {
+                                $pixels[] = 0;
+                            }
+                            break;
+                        case 1: # END OF FILE
+                            while (count($pixels) % $lineWidth != 0) {
+                                $pixels[] = 0;
+                            }
+                            break 3;
+                        case 2: # DELTA
+                            $i += 2;
+                            break;
+                        default: # ABSOLUTE MODE
+                            $num = ord($str[$i]);
+                            for ($j = 0; $j < $num; $j++) {
+                                if ($j % 2 == 0) {
+                                    $c = ord($str[++$i]);
+                                    $pixels[] = ($c & 240) >> 4;
+                                } else {
+                                    $pixels[] = $c & 15;
+                                }
+                            }
+
+                            if ($num % 2 == 0) {
+                                $i++;
+                            }
+                    }
+                    break;
+                default:
+                    $c = ord($str[++$i]);
+                    for ($j = 0; $j < $o; $j++) {
+                        $pixels[] = ($j % 2 == 0 ? ($c & 240) >> 4 : $c & 15);
+                    }
+            }
+        }
+
+        $out = '';
+        if (count($pixels) % 2) {
+            $pixels[] = 0;
+        }
+
+        $cnt = count($pixels) / 2;
+
+        for ($i = 0; $i < $cnt; $i++) {
+            $out .= chr(16 * $pixels[2 * $i] + $pixels[2 * $i + 1]);
+        }
+
+        return $out;
+    }
+
+    /**
+     * parse a full url or pathname and return an array(protocol, host, path,
+     * file + query + fragment)
+     *
+     * @param string $url
+     * @return array
+     */
+    public static function explode_url($url)
+    {
+        $protocol = "";
+        $host = "";
+        $path = "";
+        $file = "";
+
+        $arr = parse_url($url);
+        if ( isset($arr["scheme"]) ) {
+            $arr["scheme"] = mb_strtolower($arr["scheme"]);
+        }
+
+        // Exclude windows drive letters...
+        if (isset($arr["scheme"]) && $arr["scheme"] !== "file" && strlen($arr["scheme"]) > 1) {
+            $protocol = $arr["scheme"] . "://";
+
+            if (isset($arr["user"])) {
+                $host .= $arr["user"];
+
+                if (isset($arr["pass"])) {
+                    $host .= ":" . $arr["pass"];
+                }
+
+                $host .= "@";
+            }
+
+            if (isset($arr["host"])) {
+                $host .= $arr["host"];
+            }
+
+            if (isset($arr["port"])) {
+                $host .= ":" . $arr["port"];
+            }
+
+            if (isset($arr["path"]) && $arr["path"] !== "") {
+                // Do we have a trailing slash?
+                if ($arr["path"][mb_strlen($arr["path"]) - 1] === "/") {
+                    $path = $arr["path"];
+                    $file = "";
+                } else {
+                    $path = rtrim(dirname($arr["path"]), '/\\') . "/";
+                    $file = basename($arr["path"]);
+                }
+            }
+
+            if (isset($arr["query"])) {
+                $file .= "?" . $arr["query"];
+            }
+
+            if (isset($arr["fragment"])) {
+                $file .= "#" . $arr["fragment"];
+            }
+
+        } else {
+
+            $i = mb_stripos($url, "file://");
+            if ($i !== false) {
+                $url = mb_substr($url, $i + 7);
+            }
+
+            $protocol = ""; // "file://"; ? why doesn't this work... It's because of
+            // network filenames like //COMPU/SHARENAME
+
+            $host = ""; // localhost, really
+            $file = basename($url);
+
+            $path = dirname($url);
+
+            // Check that the path exists
+            if ($path !== false) {
+                $path .= '/';
+
+            } else {
+                // generate a url to access the file if no real path found.
+                $protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https://' : 'http://';
+
+                $host = isset($_SERVER["HTTP_HOST"]) ? $_SERVER["HTTP_HOST"] : php_uname("n");
+
+                if (substr($arr["path"], 0, 1) === '/') {
+                    $path = dirname($arr["path"]);
+                } else {
+                    $path = '/' . rtrim(dirname($_SERVER["SCRIPT_NAME"]), '/') . '/' . $arr["path"];
+                }
+            }
+        }
+
+        $ret = array($protocol, $host, $path, $file,
+            "protocol" => $protocol,
+            "host" => $host,
+            "path" => $path,
+            "file" => $file);
+        return $ret;
+    }
+
+    /**
+     * Print debug messages
+     *
+     * @param string $type The type of debug messages to print
+     * @param string $msg The message to show
+     */
+    public static function dompdf_debug($type, $msg)
+    {
+        global $_DOMPDF_DEBUG_TYPES, $_dompdf_show_warnings, $_dompdf_debug;
+        if (isset($_DOMPDF_DEBUG_TYPES[$type]) && ($_dompdf_show_warnings || $_dompdf_debug)) {
+            $arr = debug_backtrace();
+
+            echo basename($arr[0]["file"]) . " (" . $arr[0]["line"] . "): " . $arr[1]["function"] . ": ";
+            Helpers::pre_r($msg);
+        }
+    }
+
+    /**
+     * Stores warnings in an array for display later
+     * This function allows warnings generated by the DomDocument parser
+     * and CSS loader ({@link Stylesheet}) to be captured and displayed
+     * later.  Without this function, errors are displayed immediately and
+     * PDF streaming is impossible.
+     * @see http://www.php.net/manual/en/function.set-error_handler.php
+     *
+     * @param int $errno
+     * @param string $errstr
+     * @param string $errfile
+     * @param string $errline
+     *
+     * @throws Exception
+     */
+    public static function record_warnings($errno, $errstr, $errfile, $errline)
+    {
+        // Not a warning or notice
+        if (!($errno & (E_WARNING | E_NOTICE | E_USER_NOTICE | E_USER_WARNING))) {
+            throw new Exception($errstr . " $errno");
+        }
+
+        global $_dompdf_warnings;
+        global $_dompdf_show_warnings;
+
+        if ($_dompdf_show_warnings) {
+            echo $errstr . "\n";
+        }
+
+        $_dompdf_warnings[] = $errstr;
+    }
+
+    /**
+     * @param $c
+     * @return bool|string
+     */
+    public static function unichr($c)
+    {
+        if ($c <= 0x7F) {
+            return chr($c);
+        } else if ($c <= 0x7FF) {
+            return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F);
+        } else if ($c <= 0xFFFF) {
+            return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F)
+            . chr(0x80 | $c & 0x3F);
+        } else if ($c <= 0x10FFFF) {
+            return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F)
+            . chr(0x80 | $c >> 6 & 0x3F)
+            . chr(0x80 | $c & 0x3F);
+        }
+        return false;
+    }
+
+    /**
+     * Converts a CMYK color to RGB
+     *
+     * @param float|float[] $c
+     * @param float $m
+     * @param float $y
+     * @param float $k
+     *
+     * @return float[]
+     */
+    public static function cmyk_to_rgb($c, $m = null, $y = null, $k = null)
+    {
+        if (is_array($c)) {
+            list($c, $m, $y, $k) = $c;
+        }
+
+        $c *= 255;
+        $m *= 255;
+        $y *= 255;
+        $k *= 255;
+
+        $r = (1 - round(2.55 * ($c + $k)));
+        $g = (1 - round(2.55 * ($m + $k)));
+        $b = (1 - round(2.55 * ($y + $k)));
+
+        if ($r < 0) $r = 0;
+        if ($g < 0) $g = 0;
+        if ($b < 0) $b = 0;
+
+        return array(
+            $r, $g, $b,
+            "r" => $r, "g" => $g, "b" => $b
+        );
+    }
+
+    /**
+     * getimagesize doesn't give a good size for 32bit BMP image v5
+     *
+     * @param string $filename
+     * @return array The same format as getimagesize($filename)
+     */
+    public static function dompdf_getimagesize($filename, $context = null)
+    {
+        static $cache = array();
+
+        if (isset($cache[$filename])) {
+            return $cache[$filename];
+        }
+
+        list($width, $height, $type) = getimagesize($filename);
+
+        // Custom types
+        $types = array(
+            IMAGETYPE_JPEG => "jpeg",
+            IMAGETYPE_GIF  => "gif",
+            IMAGETYPE_BMP  => "bmp",
+            IMAGETYPE_PNG  => "png",
+        );
+
+        $type = isset($types[$type]) ? $types[$type] : null;
+
+        if ($width == null || $height == null) {
+            list($data, $headers) = Helpers::getFileContent($filename, $context);
+
+            if (substr($data, 0, 2) === "BM") {
+                $meta = unpack('vtype/Vfilesize/Vreserved/Voffset/Vheadersize/Vwidth/Vheight', $data);
+                $width = (int)$meta['width'];
+                $height = (int)$meta['height'];
+                $type = "bmp";
+            }
+            else {
+                if (strpos($data, "<svg") !== false) {
+                    $doc = new \Svg\Document();
+                    $doc->loadFile($filename);
+
+                    list($width, $height) = $doc->getDimensions();
+                    $type = "svg";
+                }
+            }
+
+        }
+
+        return $cache[$filename] = array($width, $height, $type);
+    }
+
+    /**
+     * Credit goes to mgutt
+     * http://www.programmierer-forum.de/function-imagecreatefrombmp-welche-variante-laeuft-t143137.htm
+     * Modified by Fabien Menager to support RGB555 BMP format
+     */
+    public static function imagecreatefrombmp($filename, $context = null)
+    {
+        if (!function_exists("imagecreatetruecolor")) {
+            trigger_error("The PHP GD extension is required, but is not installed.", E_ERROR);
+            return false;
+        }
+
+        // version 1.00
+        if (!($fh = fopen($filename, 'rb'))) {
+            trigger_error('imagecreatefrombmp: Can not open ' . $filename, E_USER_WARNING);
+            return false;
+        }
+
+        $bytes_read = 0;
+
+        // read file header
+        $meta = unpack('vtype/Vfilesize/Vreserved/Voffset', fread($fh, 14));
+
+        // check for bitmap
+        if ($meta['type'] != 19778) {
+            trigger_error('imagecreatefrombmp: ' . $filename . ' is not a bitmap!', E_USER_WARNING);
+            return false;
+        }
+
+        // read image header
+        $meta += unpack('Vheadersize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vcolors/Vimportant', fread($fh, 40));
+        $bytes_read += 40;
+
+        // read additional bitfield header
+        if ($meta['compression'] == 3) {
+            $meta += unpack('VrMask/VgMask/VbMask', fread($fh, 12));
+            $bytes_read += 12;
+        }
+
+        // set bytes and padding
+        $meta['bytes'] = $meta['bits'] / 8;
+        $meta['decal'] = 4 - (4 * (($meta['width'] * $meta['bytes'] / 4) - floor($meta['width'] * $meta['bytes'] / 4)));
+        if ($meta['decal'] == 4) {
+            $meta['decal'] = 0;
+        }
+
+        // obtain imagesize
+        if ($meta['imagesize'] < 1) {
+            $meta['imagesize'] = $meta['filesize'] - $meta['offset'];
+            // in rare cases filesize is equal to offset so we need to read physical size
+            if ($meta['imagesize'] < 1) {
+                $meta['imagesize'] = @filesize($filename) - $meta['offset'];
+                if ($meta['imagesize'] < 1) {
+                    trigger_error('imagecreatefrombmp: Can not obtain filesize of ' . $filename . '!', E_USER_WARNING);
+                    return false;
+                }
+            }
+        }
+
+        // calculate colors
+        $meta['colors'] = !$meta['colors'] ? pow(2, $meta['bits']) : $meta['colors'];
+
+        // read color palette
+        $palette = array();
+        if ($meta['bits'] < 16) {
+            $palette = unpack('l' . $meta['colors'], fread($fh, $meta['colors'] * 4));
+            // in rare cases the color value is signed
+            if ($palette[1] < 0) {
+                foreach ($palette as $i => $color) {
+                    $palette[$i] = $color + 16777216;
+                }
+            }
+        }
+
+        // ignore extra bitmap headers
+        if ($meta['headersize'] > $bytes_read) {
+            fread($fh, $meta['headersize'] - $bytes_read);
+        }
+
+        // create gd image
+        $im = imagecreatetruecolor($meta['width'], $meta['height']);
+        $data = fread($fh, $meta['imagesize']);
+
+        // uncompress data
+        switch ($meta['compression']) {
+            case 1:
+                $data = Helpers::rle8_decode($data, $meta['width']);
+                break;
+            case 2:
+                $data = Helpers::rle4_decode($data, $meta['width']);
+                break;
+        }
+
+        $p = 0;
+        $vide = chr(0);
+        $y = $meta['height'] - 1;
+        $error = 'imagecreatefrombmp: ' . $filename . ' has not enough data!';
+
+        // loop through the image data beginning with the lower left corner
+        while ($y >= 0) {
+            $x = 0;
+            while ($x < $meta['width']) {
+                switch ($meta['bits']) {
+                    case 32:
+                    case 24:
+                        if (!($part = substr($data, $p, 3 /*$meta['bytes']*/))) {
+                            trigger_error($error, E_USER_WARNING);
+                            return $im;
+                        }
+                        $color = unpack('V', $part . $vide);
+                        break;
+                    case 16:
+                        if (!($part = substr($data, $p, 2 /*$meta['bytes']*/))) {
+                            trigger_error($error, E_USER_WARNING);
+                            return $im;
+                        }
+                        $color = unpack('v', $part);
+
+                        if (empty($meta['rMask']) || $meta['rMask'] != 0xf800) {
+                            $color[1] = (($color[1] & 0x7c00) >> 7) * 65536 + (($color[1] & 0x03e0) >> 2) * 256 + (($color[1] & 0x001f) << 3); // 555
+                        } else {
+                            $color[1] = (($color[1] & 0xf800) >> 8) * 65536 + (($color[1] & 0x07e0) >> 3) * 256 + (($color[1] & 0x001f) << 3); // 565
+                        }
+                        break;
+                    case 8:
+                        $color = unpack('n', $vide . substr($data, $p, 1));
+                        $color[1] = $palette[$color[1] + 1];
+                        break;
+                    case 4:
+                        $color = unpack('n', $vide . substr($data, floor($p), 1));
+                        $color[1] = ($p * 2) % 2 == 0 ? $color[1] >> 4 : $color[1] & 0x0F;
+                        $color[1] = $palette[$color[1] + 1];
+                        break;
+                    case 1:
+                        $color = unpack('n', $vide . substr($data, floor($p), 1));
+                        switch (($p * 8) % 8) {
+                            case 0:
+                                $color[1] = $color[1] >> 7;
+                                break;
+                            case 1:
+                                $color[1] = ($color[1] & 0x40) >> 6;
+                                break;
+                            case 2:
+                                $color[1] = ($color[1] & 0x20) >> 5;
+                                break;
+                            case 3:
+                                $color[1] = ($color[1] & 0x10) >> 4;
+                                break;
+                            case 4:
+                                $color[1] = ($color[1] & 0x8) >> 3;
+                                break;
+                            case 5:
+                                $color[1] = ($color[1] & 0x4) >> 2;
+                                break;
+                            case 6:
+                                $color[1] = ($color[1] & 0x2) >> 1;
+                                break;
+                            case 7:
+                                $color[1] = ($color[1] & 0x1);
+                                break;
+                        }
+                        $color[1] = $palette[$color[1] + 1];
+                        break;
+                    default:
+                        trigger_error('imagecreatefrombmp: ' . $filename . ' has ' . $meta['bits'] . ' bits and this is not supported!', E_USER_WARNING);
+                        return false;
+                }
+                imagesetpixel($im, $x, $y, $color[1]);
+                $x++;
+                $p += $meta['bytes'];
+            }
+            $y--;
+            $p += $meta['decal'];
+        }
+        fclose($fh);
+        return $im;
+    }
+
+    /**
+     * Gets the content of the file at the specified path using one of
+     * the following methods, in preferential order:
+     *  - file_get_contents: if allow_url_fopen is true or the file is local
+     *  - curl: if allow_url_fopen is false and curl is available
+     *
+     * @param string $uri
+     * @param resource $context (ignored if curl is used)
+     * @param int $offset
+     * @param int $maxlen (ignored if curl is used)
+     * @return bool|array
+     */
+    public static function getFileContent($uri, $context = null, $offset = 0, $maxlen = null)
+    {
+        $result = false;
+        $headers = null;
+        list($proto, $host, $path, $file) = Helpers::explode_url($uri);
+        $is_local_path = ($proto == "" || $proto === "file://");
+
+        set_error_handler(array("\\Dompdf\\Helpers", "record_warnings"));
+
+        if ($is_local_path || ini_get("allow_url_fopen")) {
+            if ($is_local_path === false) {
+                $uri = Helpers::encodeURI($uri);
+            }
+            if (isset($maxlen)) {
+                $result = file_get_contents($uri, null, $context, $offset, $maxlen);
+            } else {
+                $result = file_get_contents($uri, null, $context, $offset);
+            }
+            if (isset($http_response_header))
+            {
+                $headers = $http_response_header;
+            }
+
+        } elseif (function_exists("curl_exec")) {
+            $curl = curl_init($uri);
+
+            //TODO: use $context to define additional curl options
+            curl_setopt($curl, CURLOPT_TIMEOUT, 10);
+            curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
+            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
+            curl_setopt($curl, CURLOPT_HEADER, true);
+            if ($offset > 0) {
+                curl_setopt($curl, CURLOPT_RESUME_FROM, $offset);
+            }
+
+            $data = curl_exec($curl);
+            $raw_headers = substr($data, 0, curl_getinfo($curl, CURLINFO_HEADER_SIZE));
+            $headers = preg_split("/[\n\r]+/", trim($raw_headers));
+            $result = substr($data, curl_getinfo($curl, CURLINFO_HEADER_SIZE));
+            curl_close($curl);
+        }
+
+        restore_error_handler();
+
+        return array($result, $headers);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Image/Cache~20171216-130154.php

@@ -0,0 +1,184 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Image;
+
+use Dompdf\Dompdf;
+use Dompdf\Helpers;
+use Dompdf\Exception\ImageException;
+
+/**
+ * Static class that resolves image urls and downloads and caches
+ * remote images if required.
+ *
+ * @package dompdf
+ */
+class Cache
+{
+    /**
+     * Array of downloaded images.  Cached so that identical images are
+     * not needlessly downloaded.
+     *
+     * @var array
+     */
+    protected static $_cache = array();
+
+    /**
+     * The url to the "broken image" used when images can't be loaded
+     *
+     * @var string
+     */
+    public static $broken_image = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAAAABABAMAAABYR2ztAAAAA3NCSVQICAjb4U/gAAAAHlBMVEWZmZn////g4OCkpKS1tbXv7++9vb2tra3m5ub5+fkFnN6oAAAACXBIWXMAAAsSAAALEgHS3X78AAAAHHRFWHRTb2Z0d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M0BrLToAAAABZ0RVh0Q3JlYXRpb24gVGltZQAwNC8xMi8xMRPnI58AAAGZSURBVEiJhZbPasMwDMbTw2DHKhDQcbDQPsEge4BAjg0Mxh5gkBcY7Niwkpx32PvOjv9JspX60It/+fxJsqxW1b11gN11rA7N3v6vAd5nfR9fDYCTDiyzAeA6qgKd9QDNoAtsAKyKCxzAAfhdBuyHGwC3oovNvQOaxxJwnSNg3ZQFAlBy4ax7AG6ZBLrgA5Cn038SAPgREiaJHJASwXYEhEQQIACyikTTCWCBJJoANBfpPAKQdBLHFMBYkctcBKIE9lAGggt6gRjgA2GV44CL7m1WgS08fAAdsPHxyyMAIyHujgRwEldHArCKy5cBz90+gNOyf8TTyKOUQN2LPEmgnWWPcKD+sr+rnuqTK1avAcHfRSv3afTgVAbqmCPiggLtGM8aSkBNOidVjADrmIDYebT1PoGsWJEE8Oc0b96aZoe4iMBZPiADB6RAzEUA2vwRmyiAL3Lfv6MBSEmUEg7ALt/3LhxwLgj4QNw4UCbKEsaBNpPsyRbgVRASFig78BIGyJNIJQyQTwIi0RvgT98H+Mi6W67j3X8H/427u5bfpQGVAAAAAElFTkSuQmCC";
+    
+    /**
+     * Current dompdf instance
+     *
+     * @var Dompdf
+     */
+    protected static $_dompdf;
+
+    /**
+     * Resolve and fetch an image for use.
+     *
+     * @param string $url       The url of the image
+     * @param string $protocol  Default protocol if none specified in $url
+     * @param string $host      Default host if none specified in $url
+     * @param string $base_path Default path if none specified in $url
+     * @param Dompdf $dompdf    The Dompdf instance
+     *
+     * @throws ImageException
+     * @return array             An array with two elements: The local path to the image and the image extension
+     */
+    static function resolve_url($url, $protocol, $host, $base_path, Dompdf $dompdf)
+    {
+        self::$_dompdf = $dompdf;
+        
+        $protocol = mb_strtolower($protocol);
+        $parsed_url = Helpers::explode_url($url);
+        $message = null;
+
+        $remote = ($protocol && $protocol !== "file://") || ($parsed_url['protocol'] != "");
+
+        $data_uri = strpos($parsed_url['protocol'], "data:") === 0;
+        $full_url = null;
+        $enable_remote = $dompdf->getOptions()->getIsRemoteEnabled();
+
+        try {
+
+            // Remote not allowed and is not DataURI
+            if (!$enable_remote && $remote && !$data_uri) {
+                throw new ImageException("Remote file access is disabled.", E_WARNING);
+            } // Remote allowed or DataURI
+            else {
+                if ($enable_remote && $remote || $data_uri) {
+                    // Download remote files to a temporary directory
+                    $full_url = Helpers::build_url($protocol, $host, $base_path, $url);
+
+                    // From cache
+                    if (isset(self::$_cache[$full_url])) {
+                        $resolved_url = self::$_cache[$full_url];
+                    } // From remote
+                    else {
+                        $tmp_dir = $dompdf->getOptions()->getTempDir();
+                        $resolved_url = tempnam($tmp_dir, "ca_dompdf_img_");
+                        $image = "";
+
+                        if ($data_uri) {
+                            if ($parsed_data_uri = Helpers::parse_data_uri($url)) {
+                                $image = $parsed_data_uri['data'];
+                            }
+                        } else {
+                            list($image, $http_response_header) = Helpers::getFileContent($full_url, $dompdf->getHttpContext());
+                        }
+
+                        // Image not found or invalid
+                        if (strlen($image) == 0) {
+                            $msg = ($data_uri ? "Data-URI could not be parsed" : "Image not found");
+                            throw new ImageException($msg, E_WARNING);
+                        } // Image found, put in cache and process
+                        else {
+                            //e.g. fetch.php?media=url.jpg&cache=1
+                            //- Image file name might be one of the dynamic parts of the url, don't strip off!
+                            //- a remote url does not need to have a file extension at all
+                            //- local cached file does not have a matching file extension
+                            //Therefore get image type from the content
+                            file_put_contents($resolved_url, $image);
+                        }
+                    }
+                } // Not remote, local image
+                else {
+                    $resolved_url = Helpers::build_url($protocol, $host, $base_path, $url);
+                }
+            }
+
+            // Check if the local file is readable
+            if (!is_readable($resolved_url) || !filesize($resolved_url)) {
+                throw new ImageException("Image not readable or empty", E_WARNING);
+            } // Check is the file is an image
+            else {
+                list($width, $height, $type) = Helpers::dompdf_getimagesize($resolved_url, $dompdf->getHttpContext());
+
+                // Known image type
+                if ($width && $height && in_array($type, array("gif", "png", "jpeg", "bmp", "svg"))) {
+                    //Don't put replacement image into cache - otherwise it will be deleted on cache cleanup.
+                    //Only execute on successful caching of remote image.
+                    if ($enable_remote && $remote || $data_uri) {
+                        self::$_cache[$full_url] = $resolved_url;
+                    }
+                } // Unknown image type
+                else {
+                    throw new ImageException("Image type unknown", E_WARNING);
+                }
+            }
+        } catch (ImageException $e) {
+            $resolved_url = self::$broken_image;
+            $type = "png";
+            $message = "Image not found or type unknown";
+            Helpers::record_warnings($e->getCode(), $e->getMessage() . " \n $url", $e->getFile(), $e->getLine());
+        }
+
+        return array($resolved_url, $type, $message);
+    }
+
+    /**
+     * Unlink all cached images (i.e. temporary images either downloaded
+     * or converted)
+     */
+    static function clear()
+    {
+        if (empty(self::$_cache) || self::$_dompdf->getOptions()->getDebugKeepTemp()) {
+            return;
+        }
+
+        foreach (self::$_cache as $file) {
+            if (self::$_dompdf->getOptions()->getDebugPng()) {
+                print "[clear unlink $file]";
+            }
+            unlink($file);
+        }
+
+        self::$_cache = array();
+    }
+
+    static function detect_type($file, $context = null)
+    {
+        list(, , $type) = Helpers::dompdf_getimagesize($file, $context);
+
+        return $type;
+    }
+
+    static function is_broken($url)
+    {
+        return $url === self::$broken_image;
+    }
+}
+
+if (file_exists(realpath(__DIR__ . "/../../lib/res/broken_image.png"))) {
+    Cache::$broken_image = realpath(__DIR__ . "/../../lib/res/broken_image.png");
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/JavascriptEmbedder~20171216-130154.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+use Dompdf\Frame;
+
+/**
+ * Embeds Javascript into the PDF document
+ *
+ * @package dompdf
+ */
+class JavascriptEmbedder
+{
+
+    /**
+     * @var Dompdf
+     */
+    protected $_dompdf;
+
+    /**
+     * JavascriptEmbedder constructor.
+     *
+     * @param Dompdf $dompdf
+     */
+    public function __construct(Dompdf $dompdf)
+    {
+        $this->_dompdf = $dompdf;
+    }
+
+    /**
+     * @param $script
+     */
+    public function insert($script)
+    {
+        $this->_dompdf->getCanvas()->javascript($script);
+    }
+
+    /**
+     * @param \Dompdf\Frame $frame
+     */
+    public function render(Frame $frame)
+    {
+        if (!$this->_dompdf->getOptions()->getIsJavascriptEnabled()) {
+            return;
+        }
+
+        $this->insert($frame->get_node()->nodeValue);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/LineBox~20171216-130154.php

@@ -0,0 +1,304 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Block;
+use Dompdf\FrameDecorator\Page;
+
+/**
+ * The line box class
+ *
+ * This class represents a line box
+ * http://www.w3.org/TR/CSS2/visuren.html#line-box
+ *
+ * @package dompdf
+ */
+class LineBox
+{
+
+    /**
+     * @var Block
+     */
+    protected $_block_frame;
+
+    /**
+     * @var Frame[]
+     */
+    protected $_frames = array();
+
+    /**
+     * @var integer
+     */
+    public $wc = 0;
+
+    /**
+     * @var float
+     */
+    public $y = null;
+
+    /**
+     * @var float
+     */
+    public $w = 0.0;
+
+    /**
+     * @var float
+     */
+    public $h = 0.0;
+
+    /**
+     * @var float
+     */
+    public $left = 0.0;
+
+    /**
+     * @var float
+     */
+    public $right = 0.0;
+
+    /**
+     * @var Frame
+     */
+    public $tallest_frame = null;
+
+    /**
+     * @var bool[]
+     */
+    public $floating_blocks = array();
+
+    /**
+     * @var bool
+     */
+    public $br = false;
+
+    /**
+     * Class constructor
+     *
+     * @param Block $frame the Block containing this line
+     * @param int $y
+     */
+    public function __construct(Block $frame, $y = 0)
+    {
+        $this->_block_frame = $frame;
+        $this->_frames = array();
+        $this->y = $y;
+
+        $this->get_float_offsets();
+    }
+
+    /**
+     * Returns the floating elements inside the first floating parent
+     *
+     * @param Page $root
+     *
+     * @return Frame[]
+     */
+    public function get_floats_inside(Page $root)
+    {
+        $floating_frames = $root->get_floating_frames();
+
+        if (count($floating_frames) == 0) {
+            return $floating_frames;
+        }
+
+        // Find nearest floating element
+        $p = $this->_block_frame;
+        while ($p->get_style()->float === "none") {
+            $parent = $p->get_parent();
+
+            if (!$parent) {
+                break;
+            }
+
+            $p = $parent;
+        }
+
+        if ($p == $root) {
+            return $floating_frames;
+        }
+
+        $parent = $p;
+
+        $childs = array();
+
+        foreach ($floating_frames as $_floating) {
+            $p = $_floating->get_parent();
+
+            while (($p = $p->get_parent()) && $p !== $parent) ;
+
+            if ($p) {
+                $childs[] = $p;
+            }
+        }
+
+        return $childs;
+    }
+
+    /**
+     *
+     */
+    public function get_float_offsets()
+    {
+        static $anti_infinite_loop = 10000; // FIXME smelly hack
+
+        $reflower = $this->_block_frame->get_reflower();
+
+        if (!$reflower) {
+            return;
+        }
+
+        $cb_w = null;
+
+        $block = $this->_block_frame;
+        $root = $block->get_root();
+
+        if (!$root) {
+            return;
+        }
+
+        $style = $this->_block_frame->get_style();
+        $floating_frames = $this->get_floats_inside($root);
+        $inside_left_floating_width = 0;
+        $inside_right_floating_width = 0;
+        $outside_left_floating_width = 0;
+        $outside_right_floating_width = 0;
+
+        foreach ($floating_frames as $child_key => $floating_frame) {
+            $floating_frame_parent = $floating_frame->get_parent();
+            $id = $floating_frame->get_id();
+
+            if (isset($this->floating_blocks[$id])) {
+                continue;
+            }
+
+            $float = $floating_frame->get_style()->float;
+            $floating_width = $floating_frame->get_margin_width();
+
+            if (!$cb_w) {
+                $cb_w = $floating_frame->get_containing_block("w");
+            }
+
+            $line_w = $this->get_width();
+
+            if (!$floating_frame->_float_next_line && ($cb_w <= $line_w + $floating_width) && ($cb_w > $line_w)) {
+                $floating_frame->_float_next_line = true;
+                continue;
+            }
+
+            // If the child is still shifted by the floating element
+            if ($anti_infinite_loop-- > 0 &&
+                $floating_frame->get_position("y") + $floating_frame->get_margin_height() >= $this->y &&
+                $block->get_position("x") + $block->get_margin_width() >= $floating_frame->get_position("x")
+            ) {
+                if ($float === "left") {
+                    if ($floating_frame_parent === $this->_block_frame) {
+                        $inside_left_floating_width += $floating_width;
+                    } else {
+                        $outside_left_floating_width += $floating_width;
+                    }
+                } elseif ($float === "right") {
+                    if ($floating_frame_parent === $this->_block_frame) {
+                        $inside_right_floating_width += $floating_width;
+                    } else {
+                        $outside_right_floating_width += $floating_width;
+                    }
+                }
+
+                $this->floating_blocks[$id] = true;
+            } // else, the floating element won't shift anymore
+            else {
+                $root->remove_floating_frame($child_key);
+            }
+        }
+
+        $this->left += $inside_left_floating_width;
+        if ($outside_left_floating_width > (float)$style->length_in_pt($style->margin_left) + (float)$style->length_in_pt($style->padding_left)) {
+            $this->left += $outside_left_floating_width - (float)$style->length_in_pt($style->margin_left) - (float)$style->length_in_pt($style->padding_left);
+        }
+        $this->right += $inside_right_floating_width;
+        if ($outside_right_floating_width > (float)$style->length_in_pt($style->margin_left) + (float)$style->length_in_pt($style->padding_right)) {
+            $this->right += $outside_right_floating_width - (float)$style->length_in_pt($style->margin_right) - (float)$style->length_in_pt($style->padding_right);
+        }
+    }
+
+    /**
+     * @return float
+     */
+    public function get_width()
+    {
+        return $this->left + $this->w + $this->right;
+    }
+
+    /**
+     * @return Block
+     */
+    public function get_block_frame()
+    {
+        return $this->_block_frame;
+    }
+
+    /**
+     * @return Frame[]
+     */
+    function &get_frames()
+    {
+        return $this->_frames;
+    }
+
+    /**
+     * @param Frame $frame
+     */
+    public function add_frame(Frame $frame)
+    {
+        $this->_frames[] = $frame;
+    }
+
+    /**
+     * Recalculate LineBox width based on the contained frames total width.
+     *
+     * @return float
+     */
+    public function recalculate_width()
+    {
+        $width = 0;
+
+        foreach ($this->get_frames() as $frame) {
+            $width += $frame->calculate_auto_width();
+        }
+
+        return $this->w = $width;
+    }
+
+    /**
+     * @return string
+     */
+    public function __toString()
+    {
+        $props = array("wc", "y", "w", "h", "left", "right", "br");
+        $s = "";
+        foreach ($props as $prop) {
+            $s .= "$prop: " . $this->$prop . "\n";
+        }
+        $s .= count($this->_frames) . " frames\n";
+
+        return $s;
+    }
+    /*function __get($prop) {
+      if (!isset($this->{"_$prop"})) return;
+      return $this->{"_$prop"};
+    }*/
+}
+
+/*
+class LineBoxList implements Iterator {
+  private $_p = 0;
+  private $_lines = array();
+
+}
+*/

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/PhpEvaluator~20171216-130154.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+use Dompdf\Frame;
+
+/**
+ * Executes inline PHP code during the rendering process
+ *
+ * @package dompdf
+ */
+class PhpEvaluator
+{
+
+    /**
+     * @var Canvas
+     */
+    protected $_canvas;
+
+    /**
+     * PhpEvaluator constructor.
+     * @param Canvas $canvas
+     */
+    public function __construct(Canvas $canvas)
+    {
+        $this->_canvas = $canvas;
+    }
+
+    /**
+     * @param $code
+     * @param array $vars
+     */
+    public function evaluate($code, $vars = array())
+    {
+        if (!$this->_canvas->get_dompdf()->getOptions()->getIsPhpEnabled()) {
+            return;
+        }
+
+        // Set up some variables for the inline code
+        $pdf = $this->_canvas;
+        $fontMetrics = $pdf->get_dompdf()->getFontMetrics();
+        $PAGE_NUM = $pdf->get_page_number();
+        $PAGE_COUNT = $pdf->get_page_count();
+
+        // Override those variables if passed in
+        foreach ($vars as $k => $v) {
+            $$k = $v;
+        }
+
+        eval($code);
+    }
+
+    /**
+     * @param \Dompdf\Frame $frame
+     */
+    public function render(Frame $frame)
+    {
+        $this->evaluate($frame->get_node()->nodeValue);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/Absolute~20171216-130154.php

@@ -0,0 +1,118 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Positions absolutely positioned frames
+ */
+class Absolute extends AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     */
+    function position(AbstractFrameDecorator $frame)
+    {
+        $style = $frame->get_style();
+
+        $p = $frame->find_positionned_parent();
+
+        list($x, $y, $w, $h) = $frame->get_containing_block();
+
+        $top = $style->length_in_pt($style->top, $h);
+        $right = $style->length_in_pt($style->right, $w);
+        $bottom = $style->length_in_pt($style->bottom, $h);
+        $left = $style->length_in_pt($style->left, $w);
+
+        if ($p && !($left === "auto" && $right === "auto")) {
+            // Get the parent's padding box (see http://www.w3.org/TR/CSS21/visuren.html#propdef-top)
+            list($x, $y, $w, $h) = $p->get_padding_box();
+        }
+
+        list($width, $height) = array($frame->get_margin_width(), $frame->get_margin_height());
+
+        $orig_style = $frame->get_original_style();
+        $orig_width = $orig_style->width;
+        $orig_height = $orig_style->height;
+
+        /****************************
+         *
+         * Width auto:
+         * ____________| left=auto | left=fixed |
+         * right=auto  |     A     |     B      |
+         * right=fixed |     C     |     D      |
+         *
+         * Width fixed:
+         * ____________| left=auto | left=fixed |
+         * right=auto  |     E     |     F      |
+         * right=fixed |     G     |     H      |
+         *****************************/
+
+        if ($left === "auto") {
+            if ($right === "auto") {
+                // A or E - Keep the frame at the same position
+                $x = $x + $frame->find_block_parent()->get_current_line_box()->w;
+            } else {
+                if ($orig_width === "auto") {
+                    // C
+                    $x += $w - $width - $right;
+                } else {
+                    // G
+                    $x += $w - $width - $right;
+                }
+            }
+        } else {
+            if ($right === "auto") {
+                // B or F
+                $x += (float)$left;
+            } else {
+                if ($orig_width === "auto") {
+                    // D - TODO change width
+                    $x += (float)$left;
+                } else {
+                    // H - Everything is fixed: left + width win
+                    $x += (float)$left;
+                }
+            }
+        }
+
+        // The same vertically
+        if ($top === "auto") {
+            if ($bottom === "auto") {
+                // A or E - Keep the frame at the same position
+                $y = $frame->find_block_parent()->get_current_line_box()->y;
+            } else {
+                if ($orig_height === "auto") {
+                    // C
+                    $y += (float)$h - $height - (float)$bottom;
+                } else {
+                    // G
+                    $y += (float)$h - $height - (float)$bottom;
+                }
+            }
+        } else {
+            if ($bottom === "auto") {
+                // B or F
+                $y += (float)$top;
+            } else {
+                if ($orig_height === "auto") {
+                    // D - TODO change height
+                    $y += (float)$top;
+                } else {
+                    // H - Everything is fixed: top + height win
+                    $y += (float)$top;
+                }
+            }
+        }
+
+        $frame->set_position($x, $y);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/AbstractPositioner~20171216-130154.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Base AbstractPositioner class
+ *
+ * Defines postioner interface
+ *
+ * @access  private
+ * @package dompdf
+ */
+abstract class AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     * @return mixed
+     */
+    abstract function position(AbstractFrameDecorator $frame);
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     * @param $offset_x
+     * @param $offset_y
+     * @param bool $ignore_self
+     */
+    function move(AbstractFrameDecorator $frame, $offset_x, $offset_y, $ignore_self = false)
+    {
+        list($x, $y) = $frame->get_position();
+
+        if (!$ignore_self) {
+            $frame->set_position($x + $offset_x, $y + $offset_y);
+        }
+
+        foreach ($frame->get_children() as $child) {
+            $child->move($offset_x, $offset_y);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/Block~20171216-130154.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Positions block frames
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Block extends AbstractPositioner {
+
+    function position(AbstractFrameDecorator $frame)
+    {
+        $style = $frame->get_style();
+        $cb = $frame->get_containing_block();
+        $p = $frame->find_block_parent();
+
+        if ($p) {
+            $float = $style->float;
+
+            if (!$float || $float === "none") {
+                $p->add_line(true);
+            }
+            $y = $p->get_current_line_box()->y;
+
+        } else {
+            $y = $cb["y"];
+        }
+
+        $x = $cb["x"];
+
+        // Relative positionning
+        if ($style->position === "relative") {
+            $top = (float)$style->length_in_pt($style->top, $cb["h"]);
+            //$right =  (float)$style->length_in_pt($style->right,  $cb["w"]);
+            //$bottom = (float)$style->length_in_pt($style->bottom, $cb["h"]);
+            $left = (float)$style->length_in_pt($style->left, $cb["w"]);
+
+            $x += $left;
+            $y += $top;
+        }
+
+        $frame->set_position($x, $y);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/Fixed~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Positions fixely positioned frames
+ */
+class Fixed extends AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     */
+    function position(AbstractFrameDecorator $frame)
+    {
+        $style = $frame->get_original_style();
+        $root = $frame->get_root();
+        $initialcb = $root->get_containing_block();
+        $initialcb_style = $root->get_style();
+
+        $p = $frame->find_block_parent();
+        if ($p) {
+            $p->add_line();
+        }
+
+        // Compute the margins of the @page style
+        $margin_top = (float)$initialcb_style->length_in_pt($initialcb_style->margin_top, $initialcb["h"]);
+        $margin_right = (float)$initialcb_style->length_in_pt($initialcb_style->margin_right, $initialcb["w"]);
+        $margin_bottom = (float)$initialcb_style->length_in_pt($initialcb_style->margin_bottom, $initialcb["h"]);
+        $margin_left = (float)$initialcb_style->length_in_pt($initialcb_style->margin_left, $initialcb["w"]);
+
+        // The needed computed style of the element
+        $height = (float)$style->length_in_pt($style->height, $initialcb["h"]);
+        $width = (float)$style->length_in_pt($style->width, $initialcb["w"]);
+
+        $top = $style->length_in_pt($style->top, $initialcb["h"]);
+        $right = $style->length_in_pt($style->right, $initialcb["w"]);
+        $bottom = $style->length_in_pt($style->bottom, $initialcb["h"]);
+        $left = $style->length_in_pt($style->left, $initialcb["w"]);
+
+        $y = $margin_top;
+        if (isset($top)) {
+            $y = (float)$top + $margin_top;
+            if ($top === "auto") {
+                $y = $margin_top;
+                if (isset($bottom) && $bottom !== "auto") {
+                    $y = $initialcb["h"] - $bottom - $margin_bottom;
+                    if ($frame->is_auto_height()) {
+                        $y -= $height;
+                    } else {
+                        $y -= $frame->get_margin_height();
+                    }
+                }
+            }
+        }
+
+        $x = $margin_left;
+        if (isset($left)) {
+            $x = (float)$left + $margin_left;
+            if ($left === "auto") {
+                $x = $margin_left;
+                if (isset($right) && $right !== "auto") {
+                    $x = $initialcb["w"] - $right - $margin_right;
+                    if ($frame->is_auto_width()) {
+                        $x -= $width;
+                    } else {
+                        $x -= $frame->get_margin_width();
+                    }
+                }
+            }
+        }
+
+        $frame->set_position($x, $y);
+
+        $children = $frame->get_children();
+        foreach ($children as $child) {
+            $child->set_position($x, $y);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/Inline~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+use Dompdf\FrameDecorator\Inline as InlineFrameDecorator;
+use Dompdf\FrameDecorator\Block as BlockFrameDecorator;
+use Dompdf\Exception;
+
+/**
+ * Positions inline frames
+ *
+ * @package dompdf
+ */
+class Inline extends AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     * @throws Exception
+     */
+    function position(AbstractFrameDecorator $frame)
+    {
+        /**
+         * Find our nearest block level parent and access its lines property.
+         * @var BlockFrameDecorator
+         */
+        $p = $frame->find_block_parent();
+
+        // Debugging code:
+
+        // Helpers::pre_r("\nPositioning:");
+        // Helpers::pre_r("Me: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")");
+        // Helpers::pre_r("Parent: " . $p->get_node()->nodeName . " (" . spl_object_hash($p->get_node()) . ")");
+
+        // End debugging
+
+        if (!$p) {
+            throw new Exception("No block-level parent found.  Not good.");
+        }
+
+        $f = $frame;
+
+        $cb = $f->get_containing_block();
+        $line = $p->get_current_line_box();
+
+        // Skip the page break if in a fixed position element
+        $is_fixed = false;
+        while ($f = $f->get_parent()) {
+            if ($f->get_style()->position === "fixed") {
+                $is_fixed = true;
+                break;
+            }
+        }
+
+        $f = $frame;
+
+        if (!$is_fixed && $f->get_parent() &&
+            $f->get_parent() instanceof InlineFrameDecorator &&
+            $f->is_text_node()
+        ) {
+            $min_max = $f->get_reflower()->get_min_max_width();
+
+            // If the frame doesn't fit in the current line, a line break occurs
+            if ($min_max["min"] > ($cb["w"] - $line->left - $line->w - $line->right)) {
+                $p->add_line();
+            }
+        }
+
+        $f->set_position($cb["x"] + $line->w, $line->y);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/ListBullet~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Positions list bullets
+ *
+ * @package dompdf
+ */
+class ListBullet extends AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     */
+    function position(AbstractFrameDecorator $frame)
+    {
+
+        // Bullets & friends are positioned an absolute distance to the left of
+        // the content edge of their parent element
+        $cb = $frame->get_containing_block();
+
+        // Note: this differs from most frames in that we must position
+        // ourselves after determining our width
+        $x = $cb["x"] - $frame->get_width();
+
+        $p = $frame->find_block_parent();
+
+        $y = $p->get_current_line_box()->y;
+
+        // This is a bit of a hack...
+        $n = $frame->get_next_sibling();
+        if ($n) {
+            $style = $n->get_style();
+            $line_height = $style->length_in_pt($style->line_height, $style->get_font_size());
+            $offset = (float)$style->length_in_pt($line_height, $n->get_containing_block("h")) - $frame->get_height();
+            $y += $offset / 2;
+        }
+
+        // Now the position is the left top of the block which should be marked with the bullet.
+        // We tried to find out the y of the start of the first text character within the block.
+        // But the top margin/padding does not fit, neither from this nor from the next sibling
+        // The "bit of a hack" above does not work also.
+
+        // Instead let's position the bullet vertically centered to the block which should be marked.
+        // But for get_next_sibling() the get_containing_block is all zero, and for find_block_parent()
+        // the get_containing_block is paper width and the entire list as height.
+
+        // if ($p) {
+        //   //$cb = $n->get_containing_block();
+        //   $cb = $p->get_containing_block();
+        //   $y += $cb["h"]/2;
+        // print 'cb:'.$cb["x"].':'.$cb["y"].':'.$cb["w"].':'.$cb["h"].':';
+        // }
+
+        // Todo:
+        // For now give up on the above. Use Guesswork with font y-pos in the middle of the line spacing
+
+        /*$style = $p->get_style();
+        $font_size = $style->get_font_size();
+        $line_height = (float)$style->length_in_pt($style->line_height, $font_size);
+        $y += ($line_height - $font_size) / 2;    */
+
+        //Position is x-end y-top of character position of the bullet.
+        $frame->set_position($x, $y);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/NullPositioner~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Dummy positioner
+ *
+ * @package dompdf
+ */
+class NullPositioner extends AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     */
+    function position(AbstractFrameDecorator $frame)
+    {
+        return;
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/TableCell~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+use Dompdf\FrameDecorator\Table;
+
+/**
+ * Positions table cells
+ *
+ * @package dompdf
+ */
+class TableCell extends AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     */
+    function position(AbstractFrameDecorator $frame)
+    {
+        $table = Table::find_parent_table($frame);
+        $cellmap = $table->get_cellmap();
+        $frame->set_position($cellmap->get_frame_position($frame));
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Positioner/TableRow~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+
+namespace Dompdf\Positioner;
+
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+
+/**
+ * Positions table rows
+ *
+ * @package dompdf
+ */
+class TableRow extends AbstractPositioner
+{
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     */
+    function position(AbstractFrameDecorator $frame)
+    {
+        $cb = $frame->get_containing_block();
+        $p = $frame->get_prev_sibling();
+
+        if ($p) {
+            $y = $p->get_position("y") + $p->get_margin_height();
+        } else {
+            $y = $cb["y"];
+        }
+        $frame->set_position($cb["x"], $y);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/AbstractRenderer~20171216-130154.php

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+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Adapter\CPDF;
+use Dompdf\Css\Color;
+use Dompdf\Css\Style;
+use Dompdf\Dompdf;
+use Dompdf\Helpers;
+use Dompdf\Frame;
+use Dompdf\Image\Cache;
+
+/**
+ * Base renderer class
+ *
+ * @package dompdf
+ */
+abstract class AbstractRenderer
+{
+
+    /**
+     * Rendering backend
+     *
+     * @var \Dompdf\Canvas
+     */
+    protected $_canvas;
+
+    /**
+     * Current dompdf instance
+     *
+     * @var Dompdf
+     */
+    protected $_dompdf;
+
+    /**
+     * Class constructor
+     *
+     * @param Dompdf $dompdf The current dompdf instance
+     */
+    function __construct(Dompdf $dompdf)
+    {
+        $this->_dompdf = $dompdf;
+        $this->_canvas = $dompdf->getCanvas();
+    }
+
+    /**
+     * Render a frame.
+     *
+     * Specialized in child classes
+     *
+     * @param Frame $frame The frame to render
+     */
+    abstract function render(Frame $frame);
+
+    /**
+     * Render a background image over a rectangular area
+     *
+     * @param string $url   The background image to load
+     * @param float $x      The left edge of the rectangular area
+     * @param float $y      The top edge of the rectangular area
+     * @param float $width  The width of the rectangular area
+     * @param float $height The height of the rectangular area
+     * @param Style $style  The associated Style object
+     *
+     * @throws \Exception
+     */
+    protected function _background_image($url, $x, $y, $width, $height, $style)
+    {
+        if (!function_exists("imagecreatetruecolor")) {
+            throw new \Exception("The PHP GD extension is required, but is not installed.");
+        }
+
+        $sheet = $style->get_stylesheet();
+
+        // Skip degenerate cases
+        if ($width == 0 || $height == 0) {
+            return;
+        }
+
+        $box_width = $width;
+        $box_height = $height;
+
+        //debugpng
+        if ($this->_dompdf->getOptions()->getDebugPng()) {
+            print '[_background_image ' . $url . ']';
+        }
+
+        list($img, $type, /*$msg*/) = Cache::resolve_url(
+            $url,
+            $sheet->get_protocol(),
+            $sheet->get_host(),
+            $sheet->get_base_path(),
+            $this->_dompdf
+        );
+
+        // Bail if the image is no good
+        if (Cache::is_broken($img)) {
+            return;
+        }
+
+        //Try to optimize away reading and composing of same background multiple times
+        //Postponing read with imagecreatefrom   ...()
+        //final composition parameters and name not known yet
+        //Therefore read dimension directly from file, instead of creating gd object first.
+        //$img_w = imagesx($src); $img_h = imagesy($src);
+
+        list($img_w, $img_h) = Helpers::dompdf_getimagesize($img, $this->_dompdf->getHttpContext());
+        if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) {
+            return;
+        }
+
+        $repeat = $style->background_repeat;
+        $dpi = $this->_dompdf->getOptions()->getDpi();
+
+        //Increase background resolution and dependent box size according to image resolution to be placed in
+        //Then image can be copied in without resize
+        $bg_width = round((float)($width * $dpi) / 72);
+        $bg_height = round((float)($height * $dpi) / 72);
+
+        //Need %bg_x, $bg_y as background pos, where img starts, converted to pixel
+
+        list($bg_x, $bg_y) = $style->background_position;
+
+        if (Helpers::is_percent($bg_x)) {
+            // The point $bg_x % from the left edge of the image is placed
+            // $bg_x % from the left edge of the background rectangle
+            $p = ((float)$bg_x) / 100.0;
+            $x1 = $p * $img_w;
+            $x2 = $p * $bg_width;
+
+            $bg_x = $x2 - $x1;
+        } else {
+            $bg_x = (float)($style->length_in_pt($bg_x) * $dpi) / 72;
+        }
+
+        $bg_x = round($bg_x + (float)$style->length_in_pt($style->border_left_width) * $dpi / 72);
+
+        if (Helpers::is_percent($bg_y)) {
+            // The point $bg_y % from the left edge of the image is placed
+            // $bg_y % from the left edge of the background rectangle
+            $p = ((float)$bg_y) / 100.0;
+            $y1 = $p * $img_h;
+            $y2 = $p * $bg_height;
+
+            $bg_y = $y2 - $y1;
+        } else {
+            $bg_y = (float)($style->length_in_pt($bg_y) * $dpi) / 72;
+        }
+
+        $bg_y = round($bg_y + (float)$style->length_in_pt($style->border_top_width) * $dpi / 72);
+
+        //clip background to the image area on partial repeat. Nothing to do if img off area
+        //On repeat, normalize start position to the tile at immediate left/top or 0/0 of area
+        //On no repeat with positive offset: move size/start to have offset==0
+        //Handle x/y Dimensions separately
+
+        if ($repeat !== "repeat" && $repeat !== "repeat-x") {
+            //No repeat x
+            if ($bg_x < 0) {
+                $bg_width = $img_w + $bg_x;
+            } else {
+                $x += ($bg_x * 72) / $dpi;
+                $bg_width = $bg_width - $bg_x;
+                if ($bg_width > $img_w) {
+                    $bg_width = $img_w;
+                }
+                $bg_x = 0;
+            }
+
+            if ($bg_width <= 0) {
+                return;
+            }
+
+            $width = (float)($bg_width * 72) / $dpi;
+        } else {
+            //repeat x
+            if ($bg_x < 0) {
+                $bg_x = -((-$bg_x) % $img_w);
+            } else {
+                $bg_x = $bg_x % $img_w;
+                if ($bg_x > 0) {
+                    $bg_x -= $img_w;
+                }
+            }
+        }
+
+        if ($repeat !== "repeat" && $repeat !== "repeat-y") {
+            //no repeat y
+            if ($bg_y < 0) {
+                $bg_height = $img_h + $bg_y;
+            } else {
+                $y += ($bg_y * 72) / $dpi;
+                $bg_height = $bg_height - $bg_y;
+                if ($bg_height > $img_h) {
+                    $bg_height = $img_h;
+                }
+                $bg_y = 0;
+            }
+            if ($bg_height <= 0) {
+                return;
+            }
+            $height = (float)($bg_height * 72) / $dpi;
+        } else {
+            //repeat y
+            if ($bg_y < 0) {
+                $bg_y = -((-$bg_y) % $img_h);
+            } else {
+                $bg_y = $bg_y % $img_h;
+                if ($bg_y > 0) {
+                    $bg_y -= $img_h;
+                }
+            }
+        }
+
+        //Optimization, if repeat has no effect
+        if ($repeat === "repeat" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) {
+            $repeat = "repeat-x";
+        }
+
+        if ($repeat === "repeat" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) {
+            $repeat = "repeat-y";
+        }
+
+        if (($repeat === "repeat-x" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) ||
+            ($repeat === "repeat-y" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height)
+        ) {
+            $repeat = "no-repeat";
+        }
+
+        //Use filename as indicator only
+        //different names for different variants to have different copies in the pdf
+        //This is not dependent of background color of box! .'_'.(is_array($bg_color) ? $bg_color["hex"] : $bg_color)
+        //Note: Here, bg_* are the start values, not end values after going through the tile loops!
+
+        $filedummy = $img;
+
+        $is_png = false;
+        $filedummy .= '_' . $bg_width . '_' . $bg_height . '_' . $bg_x . '_' . $bg_y . '_' . $repeat;
+
+        //Optimization to avoid multiple times rendering the same image.
+        //If check functions are existing and identical image already cached,
+        //then skip creation of duplicate, because it is not needed by addImagePng
+        if ($this->_canvas instanceof CPDF &&
+            $this->_canvas->get_cpdf()->image_iscached($filedummy)
+        ) {
+            $bg = null;
+        } else {
+            // Create a new image to fit over the background rectangle
+            $bg = imagecreatetruecolor($bg_width, $bg_height);
+
+            switch (strtolower($type)) {
+                case "png":
+                    $is_png = true;
+                    imagesavealpha($bg, true);
+                    imagealphablending($bg, false);
+                    $src = imagecreatefrompng($img);
+                    break;
+
+                case "jpeg":
+                    $src = imagecreatefromjpeg($img);
+                    break;
+
+                case "gif":
+                    $src = imagecreatefromgif($img);
+                    break;
+
+                case "bmp":
+                    $src = Helpers::imagecreatefrombmp($img);
+                    break;
+
+                default:
+                    return; // Unsupported image type
+            }
+
+            if ($src == null) {
+                return;
+            }
+
+            //Background color if box is not relevant here
+            //Non transparent image: box clipped to real size. Background non relevant.
+            //Transparent image: The image controls the transparency and lets shine through whatever background.
+            //However on transparent image preset the composed image with the transparency color,
+            //to keep the transparency when copying over the non transparent parts of the tiles.
+            $ti = imagecolortransparent($src);
+
+            if ($ti >= 0) {
+                $tc = imagecolorsforindex($src, $ti);
+                $ti = imagecolorallocate($bg, $tc['red'], $tc['green'], $tc['blue']);
+                imagefill($bg, 0, 0, $ti);
+                imagecolortransparent($bg, $ti);
+            }
+
+            //This has only an effect for the non repeatable dimension.
+            //compute start of src and dest coordinates of the single copy
+            if ($bg_x < 0) {
+                $dst_x = 0;
+                $src_x = -$bg_x;
+            } else {
+                $src_x = 0;
+                $dst_x = $bg_x;
+            }
+
+            if ($bg_y < 0) {
+                $dst_y = 0;
+                $src_y = -$bg_y;
+            } else {
+                $src_y = 0;
+                $dst_y = $bg_y;
+            }
+
+            //For historical reasons exchange meanings of variables:
+            //start_* will be the start values, while bg_* will be the temporary start values in the loops
+            $start_x = $bg_x;
+            $start_y = $bg_y;
+
+            // Copy regions from the source image to the background
+            if ($repeat === "no-repeat") {
+                // Simply place the image on the background
+                imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h);
+
+            } else if ($repeat === "repeat-x") {
+                for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
+                    if ($bg_x < 0) {
+                        $dst_x = 0;
+                        $src_x = -$bg_x;
+                        $w = $img_w + $bg_x;
+                    } else {
+                        $dst_x = $bg_x;
+                        $src_x = 0;
+                        $w = $img_w;
+                    }
+                    imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h);
+                }
+            } else if ($repeat === "repeat-y") {
+
+                for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
+                    if ($bg_y < 0) {
+                        $dst_y = 0;
+                        $src_y = -$bg_y;
+                        $h = $img_h + $bg_y;
+                    } else {
+                        $dst_y = $bg_y;
+                        $src_y = 0;
+                        $h = $img_h;
+                    }
+                    imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h);
+                }
+            } else if ($repeat === "repeat") {
+                for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) {
+                    for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) {
+                        if ($bg_x < 0) {
+                            $dst_x = 0;
+                            $src_x = -$bg_x;
+                            $w = $img_w + $bg_x;
+                        } else {
+                            $dst_x = $bg_x;
+                            $src_x = 0;
+                            $w = $img_w;
+                        }
+
+                        if ($bg_y < 0) {
+                            $dst_y = 0;
+                            $src_y = -$bg_y;
+                            $h = $img_h + $bg_y;
+                        } else {
+                            $dst_y = $bg_y;
+                            $src_y = 0;
+                            $h = $img_h;
+                        }
+                        imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h);
+                    }
+                }
+            } else {
+                print 'Unknown repeat!';
+            }
+
+            imagedestroy($src);
+
+        } /* End optimize away creation of duplicates */
+
+        $this->_canvas->clipping_rectangle($x, $y, $box_width, $box_height);
+
+        //img: image url string
+        //img_w, img_h: original image size in px
+        //width, height: box size in pt
+        //bg_width, bg_height: box size in px
+        //x, y: left/top edge of box on page in pt
+        //start_x, start_y: placement of image relative to pattern
+        //$repeat: repeat mode
+        //$bg: GD object of result image
+        //$src: GD object of original image
+        //When using cpdf and optimization to direct png creation from gd object is available,
+        //don't create temp file, but place gd object directly into the pdf
+        if (!$is_png && $this->_canvas instanceof CPDF) {
+            // Note: CPDF_Adapter image converts y position
+            $this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg);
+        } else {
+            $tmp_dir = $this->_dompdf->getOptions()->getTempDir();
+            $tmp_name = tempnam($tmp_dir, "bg_dompdf_img_");
+            @unlink($tmp_name);
+            $tmp_file = "$tmp_name.png";
+
+            //debugpng
+            if ($this->_dompdf->getOptions()->getDebugPng()) print '[_background_image ' . $tmp_file . ']';
+
+            imagepng($bg, $tmp_file);
+            $this->_canvas->image($tmp_file, $x, $y, $width, $height);
+            imagedestroy($bg);
+
+            //debugpng
+            if ($this->_dompdf->getOptions()->getDebugPng()) {
+                print '[_background_image unlink ' . $tmp_file . ']';
+            }
+
+            if (!$this->_dompdf->getOptions()->getDebugKeepTemp()) {
+                unlink($tmp_file);
+            }
+        }
+
+        $this->_canvas->clipping_end();
+    }
+
+    /**
+     * @param $style
+     * @param $width
+     * @return array
+     */
+    protected function _get_dash_pattern($style, $width)
+    {
+        $pattern = array();
+
+        switch ($style) {
+            default:
+                /*case "solid":
+                case "double":
+                case "groove":
+                case "inset":
+                case "outset":
+                case "ridge":*/
+            case "none":
+                break;
+
+            case "dotted":
+                if ($width <= 1)
+                    $pattern = array($width, $width * 2);
+                else
+                    $pattern = array($width);
+                break;
+
+            case "dashed":
+                $pattern = array(3 * $width);
+                break;
+        }
+
+        return $pattern;
+    }
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_none($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        return;
+    }
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_hidden($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        return;
+    }
+
+    // Border rendering functions
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_dotted($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        $this->_border_line($x, $y, $length, $color, $widths, $side, $corner_style, "dotted", $r1, $r2);
+    }
+
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_dashed($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        $this->_border_line($x, $y, $length, $color, $widths, $side, $corner_style, "dashed", $r1, $r2);
+    }
+
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_solid($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        // TODO: Solve rendering where one corner is beveled (radius == 0), one corner isn't.
+        if ($corner_style !== "bevel" || $r1 > 0 || $r2 > 0) {
+            // do it the simple way
+            $this->_border_line($x, $y, $length, $color, $widths, $side, $corner_style, "solid", $r1, $r2);
+            return;
+        }
+
+        list($top, $right, $bottom, $left) = $widths;
+
+        // All this polygon business is for beveled corners...
+        switch ($side) {
+            case "top":
+                $points = array($x, $y,
+                    $x + $length, $y,
+                    $x + $length - $right, $y + $top,
+                    $x + $left, $y + $top);
+                $this->_canvas->polygon($points, $color, null, null, true);
+                break;
+
+            case "bottom":
+                $points = array($x, $y,
+                    $x + $length, $y,
+                    $x + $length - $right, $y - $bottom,
+                    $x + $left, $y - $bottom);
+                $this->_canvas->polygon($points, $color, null, null, true);
+                break;
+
+            case "left":
+                $points = array($x, $y,
+                    $x, $y + $length,
+                    $x + $left, $y + $length - $bottom,
+                    $x + $left, $y + $top);
+                $this->_canvas->polygon($points, $color, null, null, true);
+                break;
+
+            case "right":
+                $points = array($x, $y,
+                    $x, $y + $length,
+                    $x - $right, $y + $length - $bottom,
+                    $x - $right, $y + $top);
+                $this->_canvas->polygon($points, $color, null, null, true);
+                break;
+
+            default:
+                return;
+        }
+    }
+
+    /**
+     * @param $side
+     * @param $ratio
+     * @param $top
+     * @param $right
+     * @param $bottom
+     * @param $left
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $r1
+     * @param $r2
+     */
+    protected function _apply_ratio($side, $ratio, $top, $right, $bottom, $left, &$x, &$y, &$length, &$r1, &$r2)
+    {
+        switch ($side) {
+            case "top":
+                $r1 -= $left * $ratio;
+                $r2 -= $right * $ratio;
+                $x += $left * $ratio;
+                $y += $top * $ratio;
+                $length -= $left * $ratio + $right * $ratio;
+                break;
+
+            case "bottom":
+                $r1 -= $right * $ratio;
+                $r2 -= $left * $ratio;
+                $x += $left * $ratio;
+                $y -= $bottom * $ratio;
+                $length -= $left * $ratio + $right * $ratio;
+                break;
+
+            case "left":
+                $r1 -= $top * $ratio;
+                $r2 -= $bottom * $ratio;
+                $x += $left * $ratio;
+                $y += $top * $ratio;
+                $length -= $top * $ratio + $bottom * $ratio;
+                break;
+
+            case "right":
+                $r1 -= $bottom * $ratio;
+                $r2 -= $top * $ratio;
+                $x -= $right * $ratio;
+                $y += $top * $ratio;
+                $length -= $top * $ratio + $bottom * $ratio;
+                break;
+
+            default:
+                return;
+        }
+    }
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_double($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        list($top, $right, $bottom, $left) = $widths;
+
+        $third_widths = array($top / 3, $right / 3, $bottom / 3, $left / 3);
+
+        // draw the outer border
+        $this->_border_solid($x, $y, $length, $color, $third_widths, $side, $corner_style, $r1, $r2);
+
+        $this->_apply_ratio($side, 2 / 3, $top, $right, $bottom, $left, $x, $y, $length, $r1, $r2);
+
+        $this->_border_solid($x, $y, $length, $color, $third_widths, $side, $corner_style, $r1, $r2);
+    }
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_groove($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        list($top, $right, $bottom, $left) = $widths;
+
+        $half_widths = array($top / 2, $right / 2, $bottom / 2, $left / 2);
+
+        $this->_border_inset($x, $y, $length, $color, $half_widths, $side, $corner_style, $r1, $r2);
+
+        $this->_apply_ratio($side, 0.5, $top, $right, $bottom, $left, $x, $y, $length, $r1, $r2);
+
+        $this->_border_outset($x, $y, $length, $color, $half_widths, $side, $corner_style, $r1, $r2);
+
+    }
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_ridge($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        list($top, $right, $bottom, $left) = $widths;
+
+        $half_widths = array($top / 2, $right / 2, $bottom / 2, $left / 2);
+
+        $this->_border_outset($x, $y, $length, $color, $half_widths, $side, $corner_style, $r1, $r2);
+
+        $this->_apply_ratio($side, 0.5, $top, $right, $bottom, $left, $x, $y, $length, $r1, $r2);
+
+        $this->_border_inset($x, $y, $length, $color, $half_widths, $side, $corner_style, $r1, $r2);
+
+    }
+
+    /**
+     * @param $c
+     * @return mixed
+     */
+    protected function _tint($c)
+    {
+        if (!is_numeric($c))
+            return $c;
+
+        return min(1, $c + 0.16);
+    }
+
+    /**
+     * @param $c
+     * @return mixed
+     */
+    protected function _shade($c)
+    {
+        if (!is_numeric($c))
+            return $c;
+
+        return max(0, $c - 0.33);
+    }
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_inset($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        switch ($side) {
+            case "top":
+            case "left":
+                $shade = array_map(array($this, "_shade"), $color);
+                $this->_border_solid($x, $y, $length, $shade, $widths, $side, $corner_style, $r1, $r2);
+                break;
+
+            case "bottom":
+            case "right":
+                $tint = array_map(array($this, "_tint"), $color);
+                $this->_border_solid($x, $y, $length, $tint, $widths, $side, $corner_style, $r1, $r2);
+                break;
+
+            default:
+                return;
+        }
+    }
+
+    /**
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param int $r1
+     * @param int $r2
+     */
+    protected function _border_outset($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $r1 = 0, $r2 = 0)
+    {
+        switch ($side) {
+            case "top":
+            case "left":
+                $tint = array_map(array($this, "_tint"), $color);
+                $this->_border_solid($x, $y, $length, $tint, $widths, $side, $corner_style, $r1, $r2);
+                break;
+
+            case "bottom":
+            case "right":
+                $shade = array_map(array($this, "_shade"), $color);
+                $this->_border_solid($x, $y, $length, $shade, $widths, $side, $corner_style, $r1, $r2);
+                break;
+
+            default:
+                return;
+        }
+    }
+
+    /**
+     * Draws a solid, dotted, or dashed line, observing the border radius
+     *
+     * @param $x
+     * @param $y
+     * @param $length
+     * @param $color
+     * @param $widths
+     * @param $side
+     * @param string $corner_style
+     * @param $pattern_name
+     * @param int $r1
+     * @param int $r2
+     *
+     * @var $top
+     */
+    protected function _border_line($x, $y, $length, $color, $widths, $side, $corner_style = "bevel", $pattern_name, $r1 = 0, $r2 = 0)
+    {
+        /** used by $$side */
+        list($top, $right, $bottom, $left) = $widths;
+        $width = $$side;
+
+        $pattern = $this->_get_dash_pattern($pattern_name, $width);
+
+        $half_width = $width / 2;
+        $r1 -= $half_width;
+        $r2 -= $half_width;
+        $adjust = $r1 / 80;
+        $length -= $width;
+
+        switch ($side) {
+            case "top":
+                $x += $half_width;
+                $y += $half_width;
+
+                if ($r1 > 0) {
+                    $this->_canvas->arc($x + $r1, $y + $r1, $r1, $r1, 90 - $adjust, 135 + $adjust, $color, $width, $pattern);
+                }
+
+                $this->_canvas->line($x + $r1, $y, $x + $length - $r2, $y, $color, $width, $pattern);
+
+                if ($r2 > 0) {
+                    $this->_canvas->arc($x + $length - $r2, $y + $r2, $r2, $r2, 45 - $adjust, 90 + $adjust, $color, $width, $pattern);
+                }
+                break;
+
+            case "bottom":
+                $x += $half_width;
+                $y -= $half_width;
+
+                if ($r1 > 0) {
+                    $this->_canvas->arc($x + $r1, $y - $r1, $r1, $r1, 225 - $adjust, 270 + $adjust, $color, $width, $pattern);
+                }
+
+                $this->_canvas->line($x + $r1, $y, $x + $length - $r2, $y, $color, $width, $pattern);
+
+                if ($r2 > 0) {
+                    $this->_canvas->arc($x + $length - $r2, $y - $r2, $r2, $r2, 270 - $adjust, 315 + $adjust, $color, $width, $pattern);
+                }
+                break;
+
+            case "left":
+                $y += $half_width;
+                $x += $half_width;
+
+                if ($r1 > 0) {
+                    $this->_canvas->arc($x + $r1, $y + $r1, $r1, $r1, 135 - $adjust, 180 + $adjust, $color, $width, $pattern);
+                }
+
+                $this->_canvas->line($x, $y + $r1, $x, $y + $length - $r2, $color, $width, $pattern);
+
+                if ($r2 > 0) {
+                    $this->_canvas->arc($x + $r2, $y + $length - $r2, $r2, $r2, 180 - $adjust, 225 + $adjust, $color, $width, $pattern);
+                }
+                break;
+
+            case "right":
+                $y += $half_width;
+                $x -= $half_width;
+
+                if ($r1 > 0) {
+                    $this->_canvas->arc($x - $r1, $y + $r1, $r1, $r1, 0 - $adjust, 45 + $adjust, $color, $width, $pattern);
+                }
+
+                $this->_canvas->line($x, $y + $r1, $x, $y + $length - $r2, $color, $width, $pattern);
+
+                if ($r2 > 0) {
+                    $this->_canvas->arc($x - $r2, $y + $length - $r2, $r2, $r2, 315 - $adjust, 360 + $adjust, $color, $width, $pattern);
+                }
+                break;
+        }
+    }
+
+    /**
+     * @param $opacity
+     */
+    protected function _set_opacity($opacity)
+    {
+        if (is_numeric($opacity) && $opacity <= 1.0 && $opacity >= 0.0) {
+            $this->_canvas->set_opacity($opacity);
+        }
+    }
+
+    /**
+     * @param $box
+     * @param string $color
+     * @param array $style
+     */
+    protected function _debug_layout($box, $color = "red", $style = array())
+    {
+        $this->_canvas->rectangle($box[0], $box[1], $box[2], $box[3], Color::parse($color), 0.1, $style);
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/Block~20171216-130154.php

@@ -0,0 +1,262 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\AbstractFrameDecorator;
+use Dompdf\Helpers;
+
+/**
+ * Renders block frames
+ *
+ * @package dompdf
+ */
+class Block extends AbstractRenderer
+{
+
+    /**
+     * @param Frame $frame
+     */
+    function render(Frame $frame)
+    {
+        $style = $frame->get_style();
+        $node = $frame->get_node();
+
+        list($x, $y, $w, $h) = $frame->get_border_box();
+
+        $this->_set_opacity($frame->get_opacity($style->opacity));
+
+        if ($node->nodeName === "body") {
+            $h = $frame->get_containing_block("h") - (float)$style->length_in_pt(array(
+                        $style->margin_top,
+                        $style->border_top_width,
+                        $style->border_bottom_width,
+                        $style->margin_bottom),
+                    $style->width);
+        }
+
+        // Handle anchors & links
+        if ($node->nodeName === "a" && $href = $node->getAttribute("href")) {
+            $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href);
+            $this->_canvas->add_link($href, $x, $y, (float)$w, (float)$h);
+        }
+
+        // Draw our background, border and content
+        list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
+
+        if ($tl + $tr + $br + $bl > 0) {
+            $this->_canvas->clipping_roundrectangle($x, $y, (float)$w, (float)$h, $tl, $tr, $br, $bl);
+        }
+
+        if (($bg = $style->background_color) !== "transparent") {
+            $this->_canvas->filled_rectangle($x, $y, (float)$w, (float)$h, $bg);
+        }
+
+        if (($url = $style->background_image) && $url !== "none") {
+            $this->_background_image($url, $x, $y, $w, $h, $style);
+        }
+
+        if ($tl + $tr + $br + $bl > 0) {
+            $this->_canvas->clipping_end();
+        }
+
+        $border_box = array($x, $y, $w, $h);
+        $this->_render_border($frame, $border_box);
+        $this->_render_outline($frame, $border_box);
+
+        if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
+            $this->_debug_layout($frame->get_border_box(), "red");
+            if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
+                $this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5));
+            }
+        }
+
+        if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines() && $frame->get_decorator()) {
+            foreach ($frame->get_decorator()->get_line_boxes() as $line) {
+                $frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange");
+            }
+        }
+
+        $id = $frame->get_node()->getAttribute("id");
+        if (strlen($id) > 0)  {
+            $this->_canvas->add_named_dest($id);
+        }
+    }
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     * @param null $border_box
+     * @param string $corner_style
+     */
+    protected function _render_border(AbstractFrameDecorator $frame, $border_box = null, $corner_style = "bevel")
+    {
+        $style = $frame->get_style();
+        $bp = $style->get_border_properties();
+
+        if (empty($border_box)) {
+            $border_box = $frame->get_border_box();
+        }
+
+        // find the radius
+        $radius = $style->get_computed_border_radius($border_box[2], $border_box[3]); // w, h
+
+        // Short-cut: If all the borders are "solid" with the same color and style, and no radius, we'd better draw a rectangle
+        if (
+            in_array($bp["top"]["style"], array("solid", "dashed", "dotted")) &&
+            $bp["top"] == $bp["right"] &&
+            $bp["right"] == $bp["bottom"] &&
+            $bp["bottom"] == $bp["left"] &&
+            array_sum($radius) == 0
+        ) {
+            $props = $bp["top"];
+            if ($props["color"] === "transparent" || $props["width"] <= 0) {
+                return;
+            }
+
+            list($x, $y, $w, $h) = $border_box;
+            $width = (float)$style->length_in_pt($props["width"]);
+            $pattern = $this->_get_dash_pattern($props["style"], $width);
+            $this->_canvas->rectangle($x + $width / 2, $y + $width / 2, (float)$w - $width, (float)$h - $width, $props["color"], $width, $pattern);
+            return;
+        }
+
+        // Do it the long way
+        $widths = array(
+            (float)$style->length_in_pt($bp["top"]["width"]),
+            (float)$style->length_in_pt($bp["right"]["width"]),
+            (float)$style->length_in_pt($bp["bottom"]["width"]),
+            (float)$style->length_in_pt($bp["left"]["width"])
+        );
+
+        foreach ($bp as $side => $props) {
+            list($x, $y, $w, $h) = $border_box;
+            $length = 0;
+            $r1 = 0;
+            $r2 = 0;
+
+            if (!$props["style"] ||
+                $props["style"] === "none" ||
+                $props["width"] <= 0 ||
+                $props["color"] == "transparent"
+            ) {
+                continue;
+            }
+
+            switch ($side) {
+                case "top":
+                    $length = (float)$w;
+                    $r1 = $radius["top-left"];
+                    $r2 = $radius["top-right"];
+                    break;
+
+                case "bottom":
+                    $length = (float)$w;
+                    $y += (float)$h;
+                    $r1 = $radius["bottom-left"];
+                    $r2 = $radius["bottom-right"];
+                    break;
+
+                case "left":
+                    $length = (float)$h;
+                    $r1 = $radius["top-left"];
+                    $r2 = $radius["bottom-left"];
+                    break;
+
+                case "right":
+                    $length = (float)$h;
+                    $x += (float)$w;
+                    $r1 = $radius["top-right"];
+                    $r2 = $radius["bottom-right"];
+                    break;
+                default:
+                    break;
+            }
+            $method = "_border_" . $props["style"];
+
+            // draw rounded corners
+            $this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style, $r1, $r2);
+        }
+    }
+
+    /**
+     * @param AbstractFrameDecorator $frame
+     * @param null $border_box
+     * @param string $corner_style
+     */
+    protected function _render_outline(AbstractFrameDecorator $frame, $border_box = null, $corner_style = "bevel")
+    {
+        $style = $frame->get_style();
+
+        $props = array(
+            "width" => $style->outline_width,
+            "style" => $style->outline_style,
+            "color" => $style->outline_color,
+        );
+
+        if (!$props["style"] || $props["style"] === "none" || $props["width"] <= 0) {
+            return;
+        }
+
+        if (empty($border_box)) {
+            $border_box = $frame->get_border_box();
+        }
+
+        $offset = (float)$style->length_in_pt($props["width"]);
+        $pattern = $this->_get_dash_pattern($props["style"], $offset);
+
+        // If the outline style is "solid" we'd better draw a rectangle
+        if (in_array($props["style"], array("solid", "dashed", "dotted"))) {
+            $border_box[0] -= $offset / 2;
+            $border_box[1] -= $offset / 2;
+            $border_box[2] += $offset;
+            $border_box[3] += $offset;
+
+            list($x, $y, $w, $h) = $border_box;
+            $this->_canvas->rectangle($x, $y, (float)$w, (float)$h, $props["color"], $offset, $pattern);
+            return;
+        }
+
+        $border_box[0] -= $offset;
+        $border_box[1] -= $offset;
+        $border_box[2] += $offset * 2;
+        $border_box[3] += $offset * 2;
+
+        $method = "_border_" . $props["style"];
+        $widths = array_fill(0, 4, (float)$style->length_in_pt($props["width"]));
+        $sides = array("top", "right", "left", "bottom");
+        $length = 0;
+
+        foreach ($sides as $side) {
+            list($x, $y, $w, $h) = $border_box;
+
+            switch ($side) {
+                case "top":
+                    $length = (float)$w;
+                    break;
+
+                case "bottom":
+                    $length = (float)$w;
+                    $y += (float)$h;
+                    break;
+
+                case "left":
+                    $length = (float)$h;
+                    break;
+
+                case "right":
+                    $length = (float)$h;
+                    $x += (float)$w;
+                    break;
+                default:
+                    break;
+            }
+
+            $this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/Image~20171216-130154.php

@@ -0,0 +1,139 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Frame;
+use Dompdf\Image\Cache;
+
+/**
+ * Image renderer
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Image extends Block
+{
+
+    /**
+     * @param Frame $frame
+     */
+    function render(Frame $frame)
+    {
+        // Render background & borders
+        $style = $frame->get_style();
+        $cb = $frame->get_containing_block();
+        list($x, $y, $w, $h) = $frame->get_border_box();
+
+        $this->_set_opacity($frame->get_opacity($style->opacity));
+
+        list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
+
+        $has_border_radius = $tl + $tr + $br + $bl > 0;
+
+        if ($has_border_radius) {
+            $this->_canvas->clipping_roundrectangle($x, $y, (float)$w, (float)$h, $tl, $tr, $br, $bl);
+        }
+
+        if (($bg = $style->background_color) !== "transparent") {
+            $this->_canvas->filled_rectangle($x, $y, (float)$w, (float)$h, $bg);
+        }
+
+        if (($url = $style->background_image) && $url !== "none") {
+            $this->_background_image($url, $x, $y, $w, $h, $style);
+        }
+
+        if ($has_border_radius) {
+            $this->_canvas->clipping_end();
+        }
+
+        $this->_render_border($frame);
+        $this->_render_outline($frame);
+
+        list($x, $y) = $frame->get_padding_box();
+
+        $x += (float)$style->length_in_pt($style->padding_left, $cb["w"]);
+        $y += (float)$style->length_in_pt($style->padding_top, $cb["h"]);
+
+        $w = (float)$style->length_in_pt($style->width, $cb["w"]);
+        $h = (float)$style->length_in_pt($style->height, $cb["h"]);
+
+        if ($has_border_radius) {
+            list($wt, $wr, $wb, $wl) = array(
+                $style->border_top_width,
+                $style->border_right_width,
+                $style->border_bottom_width,
+                $style->border_left_width,
+            );
+
+            // we have to get the "inner" radius
+            if ($tl > 0) {
+                $tl -= ($wt + $wl) / 2;
+            }
+            if ($tr > 0) {
+                $tr -= ($wt + $wr) / 2;
+            }
+            if ($br > 0) {
+                $br -= ($wb + $wr) / 2;
+            }
+            if ($bl > 0) {
+                $bl -= ($wb + $wl) / 2;
+            }
+
+            $this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
+        }
+
+        $src = $frame->get_image_url();
+        $alt = null;
+
+        if (Cache::is_broken($src) &&
+            $alt = $frame->get_node()->getAttribute("alt")
+        ) {
+            $font = $style->font_family;
+            $size = $style->font_size;
+            $spacing = $style->word_spacing;
+            $this->_canvas->text(
+                $x,
+                $y,
+                $alt,
+                $font,
+                $size,
+                $style->color,
+                $spacing
+            );
+        } else {
+            $this->_canvas->image($src, $x, $y, $w, $h, $style->image_resolution);
+        }
+
+        if ($has_border_radius) {
+            $this->_canvas->clipping_end();
+        }
+
+        if ($msg = $frame->get_image_msg()) {
+            $parts = preg_split("/\s*\n\s*/", $msg);
+            $height = 10;
+            $_y = $alt ? $y + $h - count($parts) * $height : $y;
+
+            foreach ($parts as $i => $_part) {
+                $this->_canvas->text($x, $_y + $i * $height, $_part, "times", $height * 0.8, array(0.5, 0.5, 0.5));
+            }
+        }
+
+        if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
+            $this->_debug_layout($frame->get_border_box(), "blue");
+            if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
+                $this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
+            }
+        }
+
+        $id = $frame->get_node()->getAttribute("id");
+        if (strlen($id) > 0)  {
+            $this->_canvas->add_named_dest($id);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/Inline~20171216-130154.php

@@ -0,0 +1,211 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Frame;
+use Dompdf\Helpers;
+
+/**
+ * Renders inline frames
+ *
+ * @access  private
+ * @package dompdf
+ */
+class Inline extends AbstractRenderer
+{
+
+    /**
+     * @param Frame $frame
+     */
+    function render(Frame $frame)
+    {
+        $style = $frame->get_style();
+
+        if (!$frame->get_first_child()) {
+            return; // No children, no service
+        }
+
+        // Draw the left border if applicable
+        $bp = $style->get_border_properties();
+        $widths = array(
+            (float)$style->length_in_pt($bp["top"]["width"]),
+            (float)$style->length_in_pt($bp["right"]["width"]),
+            (float)$style->length_in_pt($bp["bottom"]["width"]),
+            (float)$style->length_in_pt($bp["left"]["width"])
+        );
+
+        // Draw the background & border behind each child.  To do this we need
+        // to figure out just how much space each child takes:
+        list($x, $y) = $frame->get_first_child()->get_position();
+        $w = null;
+        $h = 0;
+        // $x += $widths[3];
+        // $y += $widths[0];
+
+        $this->_set_opacity($frame->get_opacity($style->opacity));
+
+        $first_row = true;
+
+        $DEBUGLAYOUTINLINE = $this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutInline();
+
+        foreach ($frame->get_children() as $child) {
+            list($child_x, $child_y, $child_w, $child_h) = $child->get_padding_box();
+
+            if (!is_null($w) && $child_x < $x + $w) {
+                //This branch seems to be supposed to being called on the first part
+                //of an inline html element, and the part after the if clause for the
+                //parts after a line break.
+                //But because $w initially mostly is 0, and gets updated only on the next
+                //round, this seem to be never executed and the common close always.
+
+                // The next child is on another line.  Draw the background &
+                // borders on this line.
+
+                // Background:
+                if (($bg = $style->background_color) !== "transparent") {
+                    $this->_canvas->filled_rectangle($x, $y, $w, $h, $bg);
+                }
+
+                if (($url = $style->background_image) && $url !== "none") {
+                    $this->_background_image($url, $x, $y, $w, $h, $style);
+                }
+
+                // If this is the first row, draw the left border
+                if ($first_row) {
+                    if ($bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $bp["left"]["width"] > 0) {
+                        $method = "_border_" . $bp["left"]["style"];
+                        $this->$method($x, $y, $h + $widths[0] + $widths[2], $bp["left"]["color"], $widths, "left");
+                    }
+                    $first_row = false;
+                }
+
+                // Draw the top & bottom borders
+                if ($bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $bp["top"]["width"] > 0) {
+                    $method = "_border_" . $bp["top"]["style"];
+                    $this->$method($x, $y, $w + $widths[1] + $widths[3], $bp["top"]["color"], $widths, "top");
+                }
+
+                if ($bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $bp["bottom"]["width"] > 0) {
+                    $method = "_border_" . $bp["bottom"]["style"];
+                    $this->$method($x, $y + $h + $widths[0] + $widths[2], $w + $widths[1] + $widths[3], $bp["bottom"]["color"], $widths, "bottom");
+                }
+
+                // Handle anchors & links
+                $link_node = null;
+                if ($frame->get_node()->nodeName === "a") {
+                    $link_node = $frame->get_node();
+                } else if ($frame->get_parent()->get_node()->nodeName === "a") {
+                    $link_node = $frame->get_parent()->get_node();
+                }
+
+                if ($link_node && $href = $link_node->getAttribute("href")) {
+                    $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href);
+                    $this->_canvas->add_link($href, $x, $y, $w, $h);
+                }
+
+                $x = $child_x;
+                $y = $child_y;
+                $w = (float)$child_w;
+                $h = (float)$child_h;
+                continue;
+            }
+
+            if (is_null($w)) {
+                $w = (float)$child_w;
+            }else {
+                $w += (float)$child_w;
+            }
+
+            $h = max($h, $child_h);
+
+            if ($DEBUGLAYOUTINLINE) {
+                $this->_debug_layout($child->get_border_box(), "blue");
+                if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
+                    $this->_debug_layout($child->get_padding_box(), "blue", array(0.5, 0.5));
+                }
+            }
+        }
+
+        // Handle the last child
+        if (($bg = $style->background_color) !== "transparent") {
+            $this->_canvas->filled_rectangle($x + $widths[3], $y + $widths[0], $w, $h, $bg);
+        }
+
+        //On continuation lines (after line break) of inline elements, the style got copied.
+        //But a non repeatable background image should not be repeated on the next line.
+        //But removing the background image above has never an effect, and removing it below
+        //removes it always, even on the initial line.
+        //Need to handle it elsewhere, e.g. on certain ...clone()... usages.
+        // Repeat not given: default is Style::__construct
+        // ... && (!($repeat = $style->background_repeat) || $repeat === "repeat" ...
+        //different position? $this->_background_image($url, $x, $y, $w, $h, $style);
+        if (($url = $style->background_image) && $url !== "none") {
+            $this->_background_image($url, $x + $widths[3], $y + $widths[0], $w, $h, $style);
+        }
+
+        // Add the border widths
+        $w += (float)$widths[1] + (float)$widths[3];
+        $h += (float)$widths[0] + (float)$widths[2];
+
+        // make sure the border and background start inside the left margin
+        $left_margin = (float)$style->length_in_pt($style->margin_left);
+        $x += $left_margin;
+
+        // If this is the first row, draw the left border too
+        if ($first_row && $bp["left"]["style"] !== "none" && $bp["left"]["color"] !== "transparent" && $widths[3] > 0) {
+            $method = "_border_" . $bp["left"]["style"];
+            $this->$method($x, $y, $h, $bp["left"]["color"], $widths, "left");
+        }
+
+        // Draw the top & bottom borders
+        if ($bp["top"]["style"] !== "none" && $bp["top"]["color"] !== "transparent" && $widths[0] > 0) {
+            $method = "_border_" . $bp["top"]["style"];
+            $this->$method($x, $y, $w, $bp["top"]["color"], $widths, "top");
+        }
+
+        if ($bp["bottom"]["style"] !== "none" && $bp["bottom"]["color"] !== "transparent" && $widths[2] > 0) {
+            $method = "_border_" . $bp["bottom"]["style"];
+            $this->$method($x, $y + $h, $w, $bp["bottom"]["color"], $widths, "bottom");
+        }
+
+        //    Helpers::var_dump(get_class($frame->get_next_sibling()));
+        //    $last_row = get_class($frame->get_next_sibling()) !== 'Inline';
+        // Draw the right border if this is the last row
+        if ($bp["right"]["style"] !== "none" && $bp["right"]["color"] !== "transparent" && $widths[1] > 0) {
+            $method = "_border_" . $bp["right"]["style"];
+            $this->$method($x + $w, $y, $h, $bp["right"]["color"], $widths, "right");
+        }
+
+        $id = $frame->get_node()->getAttribute("id");
+        if (strlen($id) > 0)  {
+            $this->_canvas->add_named_dest($id);
+        }
+
+        // Only two levels of links frames
+        $link_node = null;
+        if ($frame->get_node()->nodeName === "a") {
+            $link_node = $frame->get_node();
+
+            if (($name = $link_node->getAttribute("name"))) {
+                $this->_canvas->add_named_dest($name);
+            }
+        }
+
+        if ($frame->get_parent() && $frame->get_parent()->get_node()->nodeName === "a") {
+            $link_node = $frame->get_parent()->get_node();
+        }
+
+        // Handle anchors & links
+        if ($link_node) {
+            if ($href = $link_node->getAttribute("href")) {
+                $href = Helpers::build_url($this->_dompdf->getProtocol(), $this->_dompdf->getBaseHost(), $this->_dompdf->getBasePath(), $href);
+                $this->_canvas->add_link($href, $x, $y, $w, $h);
+            }
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/ListBullet~20171216-130154.php

@@ -0,0 +1,257 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Helpers;
+use Dompdf\FontMetrics;
+use Dompdf\Frame;
+use Dompdf\Image\Cache;
+use Dompdf\FrameDecorator\ListBullet as ListBulletFrameDecorator;
+
+/**
+ * Renders list bullets
+ *
+ * @access  private
+ * @package dompdf
+ */
+class ListBullet extends AbstractRenderer
+{
+    /**
+     * @param $type
+     * @return mixed|string
+     */
+    static function get_counter_chars($type)
+    {
+        static $cache = array();
+
+        if (isset($cache[$type])) {
+            return $cache[$type];
+        }
+
+        $uppercase = false;
+        $text = "";
+
+        switch ($type) {
+            case "decimal-leading-zero":
+            case "decimal":
+            case "1":
+                return "0123456789";
+
+            case "upper-alpha":
+            case "upper-latin":
+            case "A":
+                $uppercase = true;
+            case "lower-alpha":
+            case "lower-latin":
+            case "a":
+                $text = "abcdefghijklmnopqrstuvwxyz";
+                break;
+
+            case "upper-roman":
+            case "I":
+                $uppercase = true;
+            case "lower-roman":
+            case "i":
+                $text = "ivxlcdm";
+                break;
+
+            case "lower-greek":
+                for ($i = 0; $i < 24; $i++) {
+                    $text .= Helpers::unichr($i + 944);
+                }
+                break;
+        }
+
+        if ($uppercase) {
+            $text = strtoupper($text);
+        }
+
+        return $cache[$type] = "$text.";
+    }
+
+    /**
+     * @param integer $n
+     * @param string $type
+     * @param integer $pad
+     *
+     * @return string
+     */
+    private function make_counter($n, $type, $pad = null)
+    {
+        $n = intval($n);
+        $text = "";
+        $uppercase = false;
+
+        switch ($type) {
+            case "decimal-leading-zero":
+            case "decimal":
+            case "1":
+                if ($pad)
+                    $text = str_pad($n, $pad, "0", STR_PAD_LEFT);
+                else
+                    $text = $n;
+                break;
+
+            case "upper-alpha":
+            case "upper-latin":
+            case "A":
+                $uppercase = true;
+            case "lower-alpha":
+            case "lower-latin":
+            case "a":
+                $text = chr(($n % 26) + ord('a') - 1);
+                break;
+
+            case "upper-roman":
+            case "I":
+                $uppercase = true;
+            case "lower-roman":
+            case "i":
+                $text = Helpers::dec2roman($n);
+                break;
+
+            case "lower-greek":
+                $text = Helpers::unichr($n + 944);
+                break;
+        }
+
+        if ($uppercase) {
+            $text = strtoupper($text);
+        }
+
+        return "$text.";
+    }
+
+    /**
+     * @param Frame $frame
+     */
+    function render(Frame $frame)
+    {
+        $style = $frame->get_style();
+        $font_size = $style->get_font_size();
+        $line_height = (float)$style->length_in_pt($style->line_height, $frame->get_containing_block("w"));
+
+        $this->_set_opacity($frame->get_opacity($style->opacity));
+
+        $li = $frame->get_parent();
+
+        // Don't render bullets twice if if was split
+        if ($li->_splitted) {
+            return;
+        }
+
+        // Handle list-style-image
+        // If list style image is requested but missing, fall back to predefined types
+        if ($style->list_style_image !== "none" &&
+            !Cache::is_broken($img = $frame->get_image_url())
+        ) {
+            list($x, $y) = $frame->get_position();
+
+            //For expected size and aspect, instead of box size, use image natural size scaled to DPI.
+            // Resample the bullet image to be consistent with 'auto' sized images
+            // See also Image::get_min_max_width
+            // Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary.
+            //$w = $frame->get_width();
+            //$h = $frame->get_height();
+            list($width, $height) = Helpers::dompdf_getimagesize($img, $this->_dompdf->getHttpContext());
+            $dpi = $this->_dompdf->getOptions()->getDpi();
+            $w = ((float)rtrim($width, "px") * 72) / $dpi;
+            $h = ((float)rtrim($height, "px") * 72) / $dpi;
+
+            $x -= $w;
+            $y -= ($line_height - $font_size) / 2; //Reverse hinting of list_bullet_positioner
+
+            $this->_canvas->image($img, $x, $y, $w, $h);
+        } else {
+            $bullet_style = $style->list_style_type;
+
+            $fill = false;
+
+            switch ($bullet_style) {
+                default:
+                /** @noinspection PhpMissingBreakStatementInspection */
+                case "disc":
+                    $fill = true;
+
+                case "circle":
+                    list($x, $y) = $frame->get_position();
+                    $r = ($font_size * (ListBulletFrameDecorator::BULLET_SIZE /*-ListBulletFrameDecorator::BULLET_THICKNESS*/)) / 2;
+                    $x -= $font_size * (ListBulletFrameDecorator::BULLET_SIZE / 2);
+                    $y += ($font_size * (1 - ListBulletFrameDecorator::BULLET_DESCENT)) / 2;
+                    $o = $font_size * ListBulletFrameDecorator::BULLET_THICKNESS;
+                    $this->_canvas->circle($x, $y, $r, $style->color, $o, null, $fill);
+                    break;
+
+                case "square":
+                    list($x, $y) = $frame->get_position();
+                    $w = $font_size * ListBulletFrameDecorator::BULLET_SIZE;
+                    $x -= $w;
+                    $y += ($font_size * (1 - ListBulletFrameDecorator::BULLET_DESCENT - ListBulletFrameDecorator::BULLET_SIZE)) / 2;
+                    $this->_canvas->filled_rectangle($x, $y, $w, $w, $style->color);
+                    break;
+
+                case "decimal-leading-zero":
+                case "decimal":
+                case "lower-alpha":
+                case "lower-latin":
+                case "lower-roman":
+                case "lower-greek":
+                case "upper-alpha":
+                case "upper-latin":
+                case "upper-roman":
+                case "1": // HTML 4.0 compatibility
+                case "a":
+                case "i":
+                case "A":
+                case "I":
+                    $pad = null;
+                    if ($bullet_style === "decimal-leading-zero") {
+                        $pad = strlen($li->get_parent()->get_node()->getAttribute("dompdf-children-count"));
+                    }
+
+                    $node = $frame->get_node();
+
+                    if (!$node->hasAttribute("dompdf-counter")) {
+                        return;
+                    }
+
+                    $index = $node->getAttribute("dompdf-counter");
+                    $text = $this->make_counter($index, $bullet_style, $pad);
+
+                    if (trim($text) == "") {
+                        return;
+                    }
+
+                    $spacing = 0;
+                    $font_family = $style->font_family;
+
+                    $line = $li->get_containing_line();
+                    list($x, $y) = array($frame->get_position("x"), $line->y);
+
+                    $x -= $this->_dompdf->getFontMetrics()->getTextWidth($text, $font_family, $font_size, $spacing);
+
+                    // Take line-height into account
+                    $line_height = $style->line_height;
+                    $y += ($line_height - $font_size) / 4; // FIXME I thought it should be 2, but 4 gives better results
+
+                    $this->_canvas->text($x, $y, $text,
+                        $font_family, $font_size,
+                        $style->color, $spacing);
+
+                case "none":
+                    break;
+            }
+        }
+
+        $id = $frame->get_node()->getAttribute("id");
+        if (strlen($id) > 0)  {
+            $this->_canvas->add_named_dest($id);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/TableCell~20171216-130154.php

@@ -0,0 +1,173 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Frame;
+use Dompdf\FrameDecorator\Table;
+
+/**
+ * Renders table cells
+ *
+ * @package dompdf
+ */
+class TableCell extends Block
+{
+
+    /**
+     * @param Frame $frame
+     */
+    function render(Frame $frame)
+    {
+        $style = $frame->get_style();
+
+        if (trim($frame->get_node()->nodeValue) === "" && $style->empty_cells === "hide") {
+            return;
+        }
+
+        $this->_set_opacity($frame->get_opacity($style->opacity));
+        list($x, $y, $w, $h) = $frame->get_border_box();
+
+        // Draw our background, border and content
+        if (($bg = $style->background_color) !== "transparent") {
+            $this->_canvas->filled_rectangle($x, $y, (float)$w, (float)$h, $bg);
+        }
+
+        if (($url = $style->background_image) && $url !== "none") {
+            $this->_background_image($url, $x, $y, $w, $h, $style);
+        }
+
+        $table = Table::find_parent_table($frame);
+
+        if ($table->get_style()->border_collapse !== "collapse") {
+            $this->_render_border($frame);
+            $this->_render_outline($frame);
+            return;
+        }
+
+        // The collapsed case is slightly complicated...
+        // @todo Add support for outlines here
+
+        $cellmap = $table->get_cellmap();
+        $cells = $cellmap->get_spanned_cells($frame);
+        $num_rows = $cellmap->get_num_rows();
+        $num_cols = $cellmap->get_num_cols();
+
+        // Determine the top row spanned by this cell
+        $i = $cells["rows"][0];
+        $top_row = $cellmap->get_row($i);
+
+        // Determine if this cell borders on the bottom of the table.  If so,
+        // then we draw its bottom border.  Otherwise the next row down will
+        // draw its top border instead.
+        if (in_array($num_rows - 1, $cells["rows"])) {
+            $draw_bottom = true;
+            $bottom_row = $cellmap->get_row($num_rows - 1);
+        } else {
+            $draw_bottom = false;
+        }
+
+        // Draw the horizontal borders
+        foreach ($cells["columns"] as $j) {
+            $bp = $cellmap->get_border_properties($i, $j);
+
+            $y = $top_row["y"] - $bp["top"]["width"] / 2;
+
+            $col = $cellmap->get_column($j);
+            $x = $col["x"] - $bp["left"]["width"] / 2;
+            $w = $col["used-width"] + ($bp["left"]["width"] + $bp["right"]["width"]) / 2;
+
+            if ($bp["top"]["style"] !== "none" && $bp["top"]["width"] > 0) {
+                $widths = array(
+                    (float)$bp["top"]["width"],
+                    (float)$bp["right"]["width"],
+                    (float)$bp["bottom"]["width"],
+                    (float)$bp["left"]["width"]
+                );
+                $method = "_border_" . $bp["top"]["style"];
+                $this->$method($x, $y, $w, $bp["top"]["color"], $widths, "top", "square");
+            }
+
+            if ($draw_bottom) {
+                $bp = $cellmap->get_border_properties($num_rows - 1, $j);
+                if ($bp["bottom"]["style"] === "none" || $bp["bottom"]["width"] <= 0)
+                    continue;
+
+                $y = $bottom_row["y"] + $bottom_row["height"] + $bp["bottom"]["width"] / 2;
+
+                $widths = array(
+                    (float)$bp["top"]["width"],
+                    (float)$bp["right"]["width"],
+                    (float)$bp["bottom"]["width"],
+                    (float)$bp["left"]["width"]
+                );
+                $method = "_border_" . $bp["bottom"]["style"];
+                $this->$method($x, $y, $w, $bp["bottom"]["color"], $widths, "bottom", "square");
+
+            }
+        }
+
+        $j = $cells["columns"][0];
+
+        $left_col = $cellmap->get_column($j);
+
+        if (in_array($num_cols - 1, $cells["columns"])) {
+            $draw_right = true;
+            $right_col = $cellmap->get_column($num_cols - 1);
+        } else {
+            $draw_right = false;
+        }
+
+        // Draw the vertical borders
+        foreach ($cells["rows"] as $i) {
+            $bp = $cellmap->get_border_properties($i, $j);
+
+            $x = $left_col["x"] - $bp["left"]["width"] / 2;
+
+            $row = $cellmap->get_row($i);
+
+            $y = $row["y"] - $bp["top"]["width"] / 2;
+            $h = $row["height"] + ($bp["top"]["width"] + $bp["bottom"]["width"]) / 2;
+
+            if ($bp["left"]["style"] !== "none" && $bp["left"]["width"] > 0) {
+                $widths = array(
+                    (float)$bp["top"]["width"],
+                    (float)$bp["right"]["width"],
+                    (float)$bp["bottom"]["width"],
+                    (float)$bp["left"]["width"]
+                );
+
+                $method = "_border_" . $bp["left"]["style"];
+                $this->$method($x, $y, $h, $bp["left"]["color"], $widths, "left", "square");
+            }
+
+            if ($draw_right) {
+                $bp = $cellmap->get_border_properties($i, $num_cols - 1);
+                if ($bp["right"]["style"] === "none" || $bp["right"]["width"] <= 0) {
+                    continue;
+                }
+
+                $x = $right_col["x"] + $right_col["used-width"] + $bp["right"]["width"] / 2;
+
+                $widths = array(
+                    (float)$bp["top"]["width"],
+                    (float)$bp["right"]["width"],
+                    (float)$bp["bottom"]["width"],
+                    (float)$bp["left"]["width"]
+                );
+
+                $method = "_border_" . $bp["right"]["style"];
+                $this->$method($x, $y, $h, $bp["right"]["color"], $widths, "right", "square");
+            }
+        }
+
+        $id = $frame->get_node()->getAttribute("id");
+        if (strlen($id) > 0)  {
+            $this->_canvas->add_named_dest($id);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/TableRowGroup~20171216-130154.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Frame;
+
+/**
+ * Renders block frames
+ *
+ * @package dompdf
+ */
+class TableRowGroup extends Block
+{
+
+    /**
+     * @param Frame $frame
+     */
+    function render(Frame $frame)
+    {
+        $style = $frame->get_style();
+
+        $this->_set_opacity($frame->get_opacity($style->opacity));
+
+        $this->_render_border($frame);
+        $this->_render_outline($frame);
+
+        if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
+            $this->_debug_layout($frame->get_border_box(), "red");
+            if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
+                $this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5));
+            }
+        }
+
+        if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines() && $frame->get_decorator()) {
+            foreach ($frame->get_decorator()->get_line_boxes() as $line) {
+                $frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange");
+            }
+        }
+
+        $id = $frame->get_node()->getAttribute("id");
+        if (strlen($id) > 0)  {
+            $this->_canvas->add_named_dest($id);
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer/Text~20171216-130154.php

@@ -0,0 +1,167 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @author  Helmut Tischer <htischer@weihenstephan.org>
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf\Renderer;
+
+use Dompdf\Adapter\CPDF;
+use Dompdf\FontMetrics;
+use Dompdf\Frame;
+
+/**
+ * Renders text frames
+ *
+ * @package dompdf
+ */
+class Text extends AbstractRenderer
+{
+    /** Thickness of underline. Screen: 0.08, print: better less, e.g. 0.04 */
+    const DECO_THICKNESS = 0.02;
+
+    //Tweaking if $base and $descent are not accurate.
+    //Check method_exists( $this->_canvas, "get_cpdf" )
+    //- For cpdf these can and must stay 0, because font metrics are used directly.
+    //- For other renderers, if different values are wanted, separate the parameter sets.
+    //  But $size and $size-$height seem to be accurate enough
+
+    /** Relative to bottom of text, as fraction of height */
+    const UNDERLINE_OFFSET = 0.0;
+
+    /** Relative to top of text */
+    const OVERLINE_OFFSET = 0.0;
+
+    /** Relative to centre of text. */
+    const LINETHROUGH_OFFSET = 0.0;
+
+    /** How far to extend lines past either end, in pt */
+    const DECO_EXTENSION = 0.0;
+
+    /**
+     * @param \Dompdf\FrameDecorator\Text $frame
+     */
+    function render(Frame $frame)
+    {
+        $text = $frame->get_text();
+        if (trim($text) === "") {
+            return;
+        }
+
+        $style = $frame->get_style();
+        list($x, $y) = $frame->get_position();
+        $cb = $frame->get_containing_block();
+
+        if (($ml = $style->margin_left) === "auto" || $ml === "none") {
+            $ml = 0;
+        }
+
+        if (($pl = $style->padding_left) === "auto" || $pl === "none") {
+            $pl = 0;
+        }
+
+        if (($bl = $style->border_left_width) === "auto" || $bl === "none") {
+            $bl = 0;
+        }
+
+        $x += (float)$style->length_in_pt(array($ml, $pl, $bl), $cb["w"]);
+
+        $font = $style->font_family;
+        $size = $frame_font_size = $style->font_size;
+        $word_spacing = $frame->get_text_spacing() + (float)$style->length_in_pt($style->word_spacing);
+        $char_spacing = (float)$style->length_in_pt($style->letter_spacing);
+        $width = $style->width;
+
+        /*$text = str_replace(
+          array("{PAGE_NUM}"),
+          array($this->_canvas->get_page_number()),
+          $text
+        );*/
+
+        $this->_canvas->text($x, $y, $text,
+            $font, $size,
+            $style->color, $word_spacing, $char_spacing);
+
+        $line = $frame->get_containing_line();
+
+        // FIXME Instead of using the tallest frame to position,
+        // the decoration, the text should be well placed
+        if (false && $line->tallest_frame) {
+            $base_frame = $line->tallest_frame;
+            $style = $base_frame->get_style();
+            $size = $style->font_size;
+        }
+
+        $line_thickness = $size * self::DECO_THICKNESS;
+        $underline_offset = $size * self::UNDERLINE_OFFSET;
+        $overline_offset = $size * self::OVERLINE_OFFSET;
+        $linethrough_offset = $size * self::LINETHROUGH_OFFSET;
+        $underline_position = -0.08;
+
+        if ($this->_canvas instanceof CPDF) {
+            $cpdf_font = $this->_canvas->get_cpdf()->fonts[$style->font_family];
+
+            if (isset($cpdf_font["UnderlinePosition"])) {
+                $underline_position = $cpdf_font["UnderlinePosition"] / 1000;
+            }
+
+            if (isset($cpdf_font["UnderlineThickness"])) {
+                $line_thickness = $size * ($cpdf_font["UnderlineThickness"] / 1000);
+            }
+        }
+
+        $descent = $size * $underline_position;
+        $base = $size;
+
+        // Handle text decoration:
+        // http://www.w3.org/TR/CSS21/text.html#propdef-text-decoration
+
+        // Draw all applicable text-decorations.  Start with the root and work our way down.
+        $p = $frame;
+        $stack = array();
+        while ($p = $p->get_parent()) {
+            $stack[] = $p;
+        }
+
+        while (isset($stack[0])) {
+            $f = array_pop($stack);
+
+            if (($text_deco = $f->get_style()->text_decoration) === "none") {
+                continue;
+            }
+
+            $deco_y = $y; //$line->y;
+            $color = $f->get_style()->color;
+
+            switch ($text_deco) {
+                default:
+                    continue;
+
+                case "underline":
+                    $deco_y += $base - $descent + $underline_offset + $line_thickness / 2;
+                    break;
+
+                case "overline":
+                    $deco_y += $overline_offset + $line_thickness / 2;
+                    break;
+
+                case "line-through":
+                    $deco_y += $base * 0.7 + $linethrough_offset;
+                    break;
+            }
+
+            $dx = 0;
+            $x1 = $x - self::DECO_EXTENSION;
+            $x2 = $x + $width + $dx + self::DECO_EXTENSION;
+            $this->_canvas->line($x1, $deco_y, $x2, $deco_y, $color, $line_thickness);
+        }
+
+        if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutLines()) {
+            $text_width = $this->_dompdf->getFontMetrics()->getTextWidth($text, $font, $frame_font_size);
+            $this->_debug_layout(array($x, $y, $text_width + ($line->wc - 1) * $word_spacing, $frame_font_size), "orange", array(0.5, 0.5));
+        }
+    }
+}

content/.stversions/Line/sources/5_books-oulipo-series/dompdf/src/Renderer~20171216-130154.php

@@ -0,0 +1,295 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Benj Carson <benjcarson@digitaljunkies.ca>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+use Dompdf\Renderer\AbstractRenderer;
+use Dompdf\Renderer\Block;
+use Dompdf\Renderer\Image;
+use Dompdf\Renderer\ListBullet;
+use Dompdf\Renderer\TableCell;
+use Dompdf\Renderer\TableRowGroup;
+use Dompdf\Renderer\Text;
+
+use Dompdf\Frame;
+
+/**
+ * Concrete renderer
+ *
+ * Instantiates several specific renderers in order to render any given frame.
+ *
+ * @package dompdf
+ */
+class Renderer extends AbstractRenderer
+{
+
+    /**
+     * Array of renderers for specific frame types
+     *
+     * @var AbstractRenderer[]
+     */
+    protected $_renderers;
+
+    /**
+     * Cache of the callbacks array
+     *
+     * @var array
+     */
+    private $_callbacks;
+
+    /**
+     * Advance the canvas to the next page
+     */
+    function new_page()
+    {
+        $this->_canvas->new_page();
+    }
+
+    /**
+     * Render frames recursively
+     *
+     * @param Frame $frame the frame to render
+     */
+    public function render(Frame $frame)
+    {
+        global $_dompdf_debug;
+
+        if ($_dompdf_debug) {
+            echo $frame;
+            flush();
+        }
+
+        $style = $frame->get_style();
+
+        if (in_array($style->visibility, array("hidden", "collapse"))) {
+            return;
+        }
+
+        $display = $style->display;
+
+        // Starts the CSS transformation
+        if ($style->transform && is_array($style->transform)) {
+            $this->_canvas->save();
+            list($x, $y) = $frame->get_padding_box();
+            $origin = $style->transform_origin;
+
+            foreach ($style->transform as $transform) {
+                list($function, $values) = $transform;
+                if ($function === "matrix") {
+                    $function = "transform";
+                }
+
+                $values = array_map("floatval", $values);
+                $values[] = $x + (float)$style->length_in_pt($origin[0], $style->width);
+                $values[] = $y + (float)$style->length_in_pt($origin[1], $style->height);
+
+                call_user_func_array(array($this->_canvas, $function), $values);
+            }
+        }
+
+        switch ($display) {
+
+            case "block":
+            case "list-item":
+            case "inline-block":
+            case "table":
+            case "inline-table":
+                $this->_render_frame("block", $frame);
+                break;
+
+            case "inline":
+                if ($frame->is_text_node()) {
+                    $this->_render_frame("text", $frame);
+                } else {
+                    $this->_render_frame("inline", $frame);
+                }
+                break;
+
+            case "table-cell":
+                $this->_render_frame("table-cell", $frame);
+                break;
+
+            case "table-row-group":
+            case "table-header-group":
+            case "table-footer-group":
+                $this->_render_frame("table-row-group", $frame);
+                break;
+
+            case "-dompdf-list-bullet":
+                $this->_render_frame("list-bullet", $frame);
+                break;
+
+            case "-dompdf-image":
+                $this->_render_frame("image", $frame);
+                break;
+
+            case "none":
+                $node = $frame->get_node();
+
+                if ($node->nodeName === "script") {
+                    if ($node->getAttribute("type") === "text/php" ||
+                        $node->getAttribute("language") === "php"
+                    ) {
+                        // Evaluate embedded php scripts
+                        $this->_render_frame("php", $frame);
+                    } elseif ($node->getAttribute("type") === "text/javascript" ||
+                        $node->getAttribute("language") === "javascript"
+                    ) {
+                        // Insert JavaScript
+                        $this->_render_frame("javascript", $frame);
+                    }
+                }
+
+                // Don't render children, so skip to next iter
+                return;
+
+            default:
+                break;
+
+        }
+
+        // Starts the overflow: hidden box
+        if ($style->overflow === "hidden") {
+            list($x, $y, $w, $h) = $frame->get_padding_box();
+
+            // get border radii
+            $style = $frame->get_style();
+            list($tl, $tr, $br, $bl) = $style->get_computed_border_radius($w, $h);
+
+            if ($tl + $tr + $br + $bl > 0) {
+                $this->_canvas->clipping_roundrectangle($x, $y, (float)$w, (float)$h, $tl, $tr, $br, $bl);
+            } else {
+                $this->_canvas->clipping_rectangle($x, $y, (float)$w, (float)$h);
+            }
+        }
+
+        $stack = array();
+
+        foreach ($frame->get_children() as $child) {
+            // < 0 : nagative z-index
+            // = 0 : no z-index, no stacking context
+            // = 1 : stacking context without z-index
+            // > 1 : z-index
+            $child_style = $child->get_style();
+            $child_z_index = $child_style->z_index;
+            $z_index = 0;
+
+            if ($child_z_index !== "auto") {
+                $z_index = intval($child_z_index) + 1;
+            } elseif ($child_style->float !== "none" || $child->is_positionned()) {
+                $z_index = 1;
+            }
+
+            $stack[$z_index][] = $child;
+        }
+
+        ksort($stack);
+
+        foreach ($stack as $by_index) {
+            foreach ($by_index as $child) {
+                $this->render($child);
+            }
+        }
+
+        // Ends the overflow: hidden box
+        if ($style->overflow === "hidden") {
+            $this->_canvas->clipping_end();
+        }
+
+        if ($style->transform && is_array($style->transform)) {
+            $this->_canvas->restore();
+        }
+
+        // Check for end frame callback
+        $this->_check_callbacks("end_frame", $frame);
+    }
+
+    /**
+     * Check for callbacks that need to be performed when a given event
+     * gets triggered on a frame
+     *
+     * @param string $event the type of event
+     * @param Frame $frame  the frame that event is triggered on
+     */
+    protected function _check_callbacks($event, $frame)
+    {
+        if (!isset($this->_callbacks)) {
+            $this->_callbacks = $this->_dompdf->getCallbacks();
+        }
+
+        if (is_array($this->_callbacks) && isset($this->_callbacks[$event])) {
+            $info = array(0 => $this->_canvas, "canvas" => $this->_canvas,
+                1 => $frame, "frame" => $frame);
+            $fs = $this->_callbacks[$event];
+            foreach ($fs as $f) {
+                if (is_callable($f)) {
+                    if (is_array($f)) {
+                        $f[0]->{$f[1]}($info);
+                    } else {
+                        $f($info);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * Render a single frame
+     *
+     * Creates Renderer objects on demand
+     *
+     * @param string $type type of renderer to use
+     * @param Frame $frame the frame to render
+     */
+    protected function _render_frame($type, $frame)
+    {
+
+        if (!isset($this->_renderers[$type])) {
+
+            switch ($type) {
+                case "block":
+                    $this->_renderers[$type] = new Block($this->_dompdf);
+                    break;
+
+                case "inline":
+                    $this->_renderers[$type] = new Renderer\Inline($this->_dompdf);
+                    break;
+
+                case "text":
+                    $this->_renderers[$type] = new Text($this->_dompdf);
+                    break;
+
+                case "image":
+                    $this->_renderers[$type] = new Image($this->_dompdf);
+                    break;
+
+                case "table-cell":
+                    $this->_renderers[$type] = new TableCell($this->_dompdf);
+                    break;
+
+                case "table-row-group":
+                    $this->_renderers[$type] = new TableRowGroup($this->_dompdf);
+                    break;
+
+                case "list-bullet":
+                    $this->_renderers[$type] = new ListBullet($this->_dompdf);
+                    break;
+
+                case "php":
+                    $this->_renderers[$type] = new PhpEvaluator($this->_canvas);
+                    break;
+
+                case "javascript":
+                    $this->_renderers[$type] = new JavascriptEmbedder($this->_dompdf);
+                    break;
+
+            }
+        }
+
+        $this->_renderers[$type]->render($frame);
+    }
+}