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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 {
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($style->opacity));
list($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, $w, $h, $tl, $tr, $br, $bl); }
if (($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, $style); }
if ($has_border_radius) { $this->_canvas->clipping_end(); }
$this->_render_border($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, $cb["h"]);
if ($has_border_radius) { list($wt, $wr, $wb, $wl) = array( $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", $height * 0.8, array(0.5, 0.5, 0.5)); } }
if ($this->_dompdf->get_option("debugLayout") && $this->_dompdf->get_option("debugLayoutBlocks")) { $this->_debug_layout($frame->get_border_box(), "blue"); if ($this->_dompdf->get_option("debugLayoutPaddingBox")) { $this->_debug_layout($frame->get_padding_box(), "blue", array(0.5, 0.5)); } } } }
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