Viewing file:  Image.php (2.57 KB) -rw-r--r--
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<?php
/**
* @package dompdf
* @link https://github.com/dompdf/dompdf
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
*/
namespace Dompdf\Renderer;
use Dompdf\Frame;
use Dompdf\FrameDecorator\Image as ImageFrameDecorator;
use Dompdf\Image\Cache;
/**
* Image renderer
*
* @package dompdf
*/
class Image extends Block
{
/**
* @param ImageFrameDecorator $frame
*/
function render(Frame $frame)
{
$style = $frame->get_style();
$border_box = $frame->get_border_box();
$this->_set_opacity($frame->get_opacity($style->opacity));
// Render background & borders
$this->_render_background($frame, $border_box);
$this->_render_border($frame, $border_box);
$this->_render_outline($frame, $border_box);
$content_box = $frame->get_content_box();
[$x, $y, $w, $h] = $content_box;
$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;
$word_spacing = $style->word_spacing;
$letter_spacing = $style->letter_spacing;
$this->_canvas->text(
$x,
$y,
$alt,
$font,
$size,
$style->color,
$word_spacing,
$letter_spacing
);
} elseif ($w > 0 && $h > 0) {
if ($style->has_border_radius()) {
[$tl, $tr, $br, $bl] = $style->resolve_border_radius($border_box, $content_box);
$this->_canvas->clipping_roundrectangle($x, $y, $w, $h, $tl, $tr, $br, $bl);
}
$this->_canvas->image($src, $x, $y, $w, $h, $style->image_resolution);
if ($style->has_border_radius()) {
$this->_canvas->clipping_end();
}
}
if ($msg = $frame->get_image_msg()) {
$parts = preg_split("/\s*\n\s*/", $msg);
$font = $style->font_family;
$height = 10;
$_y = $alt ? $y + $h - count($parts) * $height : $y;
foreach ($parts as $i => $_part) {
$this->_canvas->text($x, $_y + $i * $height, $_part, $font, $height * 0.8, [0.5, 0.5, 0.5]);
}
}
$id = $frame->get_node()->getAttribute("id");
if (strlen($id) > 0) {
$this->_canvas->add_named_dest($id);
}
$this->debugBlockLayout($frame, "blue");
}
}
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