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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
*/
namespace Dompdf\Renderer;
use Dompdf\Frame;
use Dompdf\Image\Cache;
/**
* Image renderer
*
* @access private
* @package dompdf
*/
class Image extends Block
{
/**
* @param Frame $frame
*/
function render(Frame $frame)
{
// Render background & borders
$style = $frame->get_style();
$cb = $frame->get_containing_block();
list($x, $y, $w, $h) = $frame->get_border_box();
if ($w === 0.0 || $h === 0.0) {
return;
}
$this->_set_opacity($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, $y, (float)$w, (float)$h, $tl, $tr, $br, $bl);
}
if (($bg = $style->background_color) !== "transparent") {
$this->_canvas->filled_rectangle($x, $y, (float)$w, (float)$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();
$x += (float)$style->length_in_pt($style->padding_left, $cb["w"]);
$y += (float)$style->length_in_pt($style->padding_top, $cb["h"]);
$w = (float)$style->length_in_pt($style->width, $cb["w"]);
$h = (float)$style->length_in_pt($style->height, $cb["h"]);
if ($has_border_radius) {
list($wt, $wr, $wb, $wl) = [
$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();
$alt = null;
if (Cache::is_broken($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", $height * 0.8, [0.5, 0.5, 0.5]);
}
}
if ($this->_dompdf->getOptions()->getDebugLayout() && $this->_dompdf->getOptions()->getDebugLayoutBlocks()) {
$this->_debug_layout($frame->get_border_box(), "blue");
if ($this->_dompdf->getOptions()->getDebugLayoutPaddingBox()) {
$this->_debug_layout($frame->get_padding_box(), "blue", [0.5, 0.5]);
}
}
$id = $frame->get_node()->getAttribute("id");
if (strlen($id) > 0) {
$this->_canvas->add_named_dest($id);
}
}
}
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