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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
- */
- /**
- * Image renderer
- *
- * @access private
- * @package dompdf
- */
- class Image_Renderer extends Block_Renderer {
- 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, $w, $h, $tl, $tr, $br, $bl );
- }
- if ( ($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 ( $has_border_radius ) {
- $this->_canvas->clipping_end();
- }
-
- $this->_render_border($frame);
- $this->_render_outline($frame);
-
- list($x, $y) = $frame->get_padding_box();
-
- $x += $style->length_in_pt($style->padding_left, $cb["w"]);
- $y += $style->length_in_pt($style->padding_top, $cb["h"]);
-
- $w = $style->length_in_pt($style->width, $cb["w"]);
- $h = $style->length_in_pt($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();
- $alt = null;
- if ( Image_Cache::is_broken($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 (DEBUG_LAYOUT && DEBUG_LAYOUT_BLOCKS) {
- $this->_debug_layout($frame->get_border_box(), "blue");
- if (DEBUG_LAYOUT_PADDINGBOX) {
- $this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5));
- }
- }
- }
- }
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