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   1  <?php
   2  
   3  
   4  namespace splitbrain\slika;
   5  
   6  
   7  class Slika
   8  {
   9      /** @var int rotate an image counter clock wise */
  10      const ROTATE_CCW = 8;
  11      /** @var int rotate an image clock wise */
  12      const ROTATE_CW = 6;
  13      /** @var int rotate on it's head */
  14      const ROTATE_TOPDOWN = 3;
  15  
  16  
  17      const DEFAULT_OPTIONS = [
  18          'quality' => 92,
  19          'imconvert' => '/usr/bin/convert',
  20      ];
  21  
  22      /**
  23       * This is a factory only, thus the constructor is private
  24       */
  25      private function __construct()
  26      {
  27          // there is no constructor.
  28      }
  29  
  30      /**
  31       * Start processing the image
  32       *
  33       * @param string $imagePath
  34       * @param array $options
  35       * @return Adapter
  36       * @throws Exception
  37       */
  38      public static function run($imagePath, $options = [])
  39      {
  40          $options = array_merge(self::DEFAULT_OPTIONS, $options);
  41  
  42          if (is_executable($options['imconvert'])) {
  43              return new ImageMagickAdapter($imagePath, $options);
  44          }
  45  
  46          if (function_exists('gd_info')) {
  47              return new GdAdapter($imagePath, $options);
  48          }
  49  
  50          throw new Exception('No suitable Adapter found');
  51      }
  52  
  53  }