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