image_renderer.cls.php
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<?php
/**
* @package dompdf
* @link http://www.dompdf.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
* @version $Id: image_renderer.cls.php 448 2011-11-13 13:00:03Z fabien.menager $
*/
/**
* 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( $style->opacity ) );
if ( ($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);
$this->_render_border($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"]);
$src = $frame->get_image_url();
if ( Image_Cache::is_broken($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 ( $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));
}
}
}
}