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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  
  11      /** @var string source file */
  12      protected $file;
  13  
  14      /**
  15       * @param string $file Original source file
  16       * @param int $w new width in pixel
  17       * @param int $h new height in pixel
  18       * @param string $ext Image extension - no leading dot
  19       * @param bool $crop Is this a crop?
  20       */
  21      public function __construct($file, $w, $h, $ext, $crop)
  22      {
  23          $fullext = '.media.' . $w . 'x' . $h;
  24          $fullext .= $crop ? '.crop' : '';
  25          $fullext .= ".$ext";
  26  
  27          $this->file = $file;
  28  
  29          $this->setEvent('IMAGEMOD_CACHE_USE');
  30          parent::__construct($file, $fullext);
  31      }
  32  
  33      /** @inheritdoc */
  34      public function makeDefaultCacheDecision()
  35      {
  36          if (!file_exists($this->file)) {
  37              return false;
  38          }
  39          return parent::makeDefaultCacheDecision();
  40      }
  41  
  42      /**
  43       * Caching depends on the source and the wiki config
  44       * @inheritdoc
  45       */
  46      protected function addDependencies()
  47      {
  48          parent::addDependencies();
  49  
  50          $this->depends['files'] = array_merge(
  51              [$this->file],
  52              getConfigFiles('main')
  53          );
  54      }
  55  
  56  }