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<?php /** * @package dompdf * @link http://dompdf.github.com/ * @author Benj Carson <benjcarson@digitaljunkies.ca> * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */ namespace Dompdf;
/** * Create canvas instances * * The canvas factory creates canvas instances based on the * availability of rendering backends and config options. * * @package dompdf */ class CanvasFactory { /** * Constructor is private: this is a static class */ private function __construct() { }
/** * @param Dompdf $dompdf * @param string|array $paper * @param string $orientation * @param string $class * * @return Canvas */ static function get_instance(Dompdf $dompdf, $paper = null, $orientation = null, $class = null) { $backend = strtolower($dompdf->get_option('pdf_backend'));
if (isset($class) && class_exists($class, false)) { $class .= "_Adapter"; } else { if (($backend === "auto" || $backend === "pdflib") && class_exists("PDFLib", false) ) { $class = "Dompdf\\Adapter\\PDFLib"; }
else { if ($backend === "gd") { $class = "Dompdf\\Adapter\\GD"; } else { $class = "Dompdf\\Adapter\\CPDF"; } } }
return new $class($paper, $orientation, $dompdf); } }
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