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   1  <?php
   2  
   3  namespace dokuwiki\Cache;
   4  
   5  /**
   6   * Handle the caching of modified (resized/cropped) images
   7   */
   8  class CacheImageMod extends Cache
   9  {
  10      /** @var string source file */
  11      protected $file;
  12  
  13      /**
  14       * @param string $file Original source file
  15       * @param int $w new width in pixel
  16       * @param int $h new height in pixel
  17       * @param string $ext Image extension - no leading dot
  18       * @param bool $crop Is this a crop?
  19       */
  20      public function __construct($file, $w, $h, $ext, $crop)
  21      {
  22          $fullext = '.media.' . $w . 'x' . $h;
  23          $fullext .= $crop ? '.crop' : '';
  24          $fullext .= ".$ext";
  25  
  26          $this->file = $file;
  27  
  28          $this->setEvent('IMAGEMOD_CACHE_USE');
  29          parent::__construct($file, $fullext);
  30      }
  31  
  32      /** @inheritdoc */
  33      public function makeDefaultCacheDecision()
  34      {
  35          if (!file_exists($this->file)) {
  36              return false;
  37          }
  38          return parent::makeDefaultCacheDecision();
  39      }
  40  
  41      /**
  42       * Caching depends on the source and the wiki config
  43       * @inheritdoc
  44       */
  45      protected function addDependencies()
  46      {
  47          parent::addDependencies();
  48  
  49          $this->depends['files'] = array_merge(
  50              [$this->file],
  51              getConfigFiles('main')
  52          );
  53      }
  54  }