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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\FrameDecorator;
use Dompdf\Dompdf; use Dompdf\Frame; use Dompdf\FontMetrics; use Dompdf\Image\Cache;
/** * Decorates frames for image layout and rendering * * @package dompdf */ class Image extends AbstractFrameDecorator {
/** * The path to the image file (note that remote images are * downloaded locally to Options:tempDir). * * @var string */ protected $_image_url;
/** * The image's file error message * * @var string */ protected $_image_msg;
/** * Class constructor * * @param Frame $frame the frame to decorate * @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls) */ function __construct(Frame $frame, Dompdf $dompdf) { parent::__construct($frame, $dompdf); $url = $frame->get_node()->getAttribute("src");
$debug_png = $dompdf->get_option("debug_png"); if ($debug_png) print '[__construct ' . $url . ']';
list($this->_image_url, /*$type*/, $this->_image_msg) = Cache::resolve_url( $url, $dompdf->get_protocol(), $dompdf->get_host(), $dompdf->get_base_path(), $dompdf );
if (Cache::is_broken($this->_image_url) && $alt = $frame->get_node()->getAttribute("alt") ) { $style = $frame->get_style(); $style->width = (4 / 3) * $dompdf->getFontMetrics()->getTextWidth($alt, $style->font_family, $style->font_size, $style->word_spacing); $style->height = $dompdf->getFontMetrics()->getFontHeight($style->font_family, $style->font_size); } }
/** * Return the image's url * * @return string The url of this image */ function get_image_url() { return $this->_image_url; }
/** * Return the image's error message * * @return string The image's error message */ function get_image_msg() { return $this->_image_msg; }
}
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