60 lines
1.5 KiB
PHP
60 lines
1.5 KiB
PHP
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<?php
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/**
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* @package dompdf
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* @link http://www.dompdf.com/
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* @author Benj Carson <benjcarson@digitaljunkies.ca>
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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* @version $Id: canvas_factory.cls.php 448 2011-11-13 13:00:03Z fabien.menager $
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*/
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/**
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* Create canvas instances
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*
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* The canvas factory creates canvas instances based on the
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* availability of rendering backends and config options.
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*
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* @package dompdf
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*/
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class Canvas_Factory {
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/**
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* Constructor is private: this is a static class
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*/
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private function __construct() { }
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/**
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* @param string|array $paper
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* @param string $orientation
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* @param string $class
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*
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* @return Canvas
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*/
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static function get_instance($paper = null, $orientation = null, $class = null) {
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$backend = strtolower(DOMPDF_PDF_BACKEND);
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if ( isset($class) && class_exists($class, false) )
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$class .= "_Adapter";
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else if ( (DOMPDF_PDF_BACKEND === "auto" || $backend === "pdflib" ) &&
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class_exists("PDFLib", false) )
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$class = "PDFLib_Adapter";
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// FIXME The TCPDF adapter is not ready yet
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//else if ( (DOMPDF_PDF_BACKEND === "auto" || $backend === "cpdf") )
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// $class = "CPDF_Adapter";
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else if ( $backend === "tcpdf")
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$class = "TCPDF_Adapter";
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else if ( $backend === "gd" )
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$class = "GD_Adapter";
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else
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$class = "CPDF_Adapter";
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return new $class($paper, $orientation);
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}
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}
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