FINAL suepr merge step : added all modules to this super repos
This commit is contained in:
Bachir Soussi Chiadmi
152
sites/all/libraries/dompdf/include/text_renderer.cls.php
Normal file
152
sites/all/libraries/dompdf/include/text_renderer.cls.php
Normal file
@@ -0,0 +1,152 @@
|
||||
<?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
|
||||
*/
|
||||
|
||||
/**
|
||||
* Renders text frames
|
||||
*
|
||||
* @access private
|
||||
* @package dompdf
|
||||
*/
|
||||
class Text_Renderer extends Abstract_Renderer {
|
||||
|
||||
const DECO_THICKNESS = 0.02; // Thickness of underline. Screen: 0.08, print: better less, e.g. 0.04
|
||||
|
||||
//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
|
||||
const UNDERLINE_OFFSET = 0.0; // Relative to bottom of text, as fraction of height.
|
||||
const OVERLINE_OFFSET = 0.0; // Relative to top of text
|
||||
const LINETHROUGH_OFFSET = 0.0; // Relative to centre of text.
|
||||
const DECO_EXTENSION = 0.0; // How far to extend lines past either end, in pt
|
||||
|
||||
//........................................................................
|
||||
|
||||
/**
|
||||
* @param Text_Frame_Decorator $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 += $style->length_in_pt( array($ml, $pl, $bl), $cb["w"] );
|
||||
|
||||
$font = $style->font_family;
|
||||
$size = $frame_font_size = $style->font_size;
|
||||
$height = $style->height;
|
||||
$word_spacing = $frame->get_text_spacing() + $style->length_in_pt($style->word_spacing);
|
||||
$char_spacing = $style->length_in_pt($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;
|
||||
$height = $line->h * ($size / $style->line_height);
|
||||
}
|
||||
|
||||
$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_Adapter ) {
|
||||
$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 (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES) {
|
||||
$text_width = Font_Metrics::get_text_width($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));
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user