vendor/dompdf/dompdf/src/CanvasFactory.php

   1 <?php
   2 /**
   3  * @package dompdf
   4  * @link    http://dompdf.github.com/
   5  * @author  Benj Carson <benjcarson@digitaljunkies.ca>
   6  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   7  */
   8 namespace Dompdf;
   9
  10 /**
  11  * Create canvas instances
  12  *
  13  * The canvas factory creates canvas instances based on the
  14  * availability of rendering backends and config options.
  15  *
  16  * @package dompdf
  17  */
  18 class CanvasFactory
  19 {
  20     /**
  21      * Constructor is private: this is a static class
  22      */
  23     private function __construct()
  24     {
  25     }
  26
  27     /**
  28      * @param Dompdf $dompdf
  29      * @param string|array $paper
  30      * @param string $orientation
  31      * @param string $class
  32      *
  33      * @return Canvas
  34      */
  35     static function get_instance(Dompdf $dompdf, $paper = null, $orientation = null, $class = null)
  36     {
  37         $backend = strtolower($dompdf->getOptions()->getPdfBackend());
  38
  39         if (isset($class) && class_exists($class, false)) {
  40             $class .= "_Adapter";
  41         } else {
  42             if (($backend === "auto" || $backend === "pdflib") &&
  43                 class_exists("PDFLib", false)
  44             ) {
  45                 $class = "Dompdf\\Adapter\\PDFLib";
  46             }
  47
  48             else {
  49                 if ($backend === "gd") {
  50                     $class = "Dompdf\\Adapter\\GD";
  51                 } else {
  52                     $class = "Dompdf\\Adapter\\CPDF";
  53                 }
  54             }
  55         }
  56
  57         return new $class($paper, $orientation, $dompdf);
  58     }
  59 }