<?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();
$node = $frame->get_node();
$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();

if (Cache::is_broken($src) && ($alt = $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();
}
}

$this->addNamedDest($node);
$this->debugBlockLayout($frame, "blue");
}
}