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   1  <?php
   2  // $Id: image_handler_field_image_size.inc,v 1.1 2009/05/01 22:29:47 sun Exp $
   3  
   4  /**
   5   * @file
   6   * Views handler for image size field.
   7   */
   8  
   9  /**
  10   * Render the human-readable name of a given image size.
  11   *
  12   * @return
  13   *   The human-readable name or an empty string for an invalid image size.
  14   */
  15  class image_handler_field_image_size extends views_handler_field {
  16    var $image_sizes = array();
  17  
  18    function init(&$view, $options) {
  19      parent::init($view, $options);
  20      $this->image_sizes = image_get_sizes();
  21    }
  22  
  23    function render($values) {
  24      $image_size = $values->{$this->field_alias};
  25  
  26      if (!empty($image_size) && isset($this->image_sizes[$image_size])) {
  27        return check_plain($this->image_sizes[$image_size]['label']);
  28      }
  29  
  30      return '';
  31    }
  32  }
  33