function canvasactions_canvas2file_dimensions in ImageCache Actions 8

Same name and namespace in other branches

1. 7 canvasactions/canvasactions.inc \canvasactions_canvas2file_dimensions()

Image dimensions callback for the underlay (background) effect.

Parameters

array $dimensions: Dimensions to be modified - an associative array containing the items 'width' and 'height' (in pixels).

array $data: An associative array containing the effect data.

1 string reference to 'canvasactions_canvas2file_dimensions'

imagecache_canvasactions_image_effect_info in canvasactions/imagecache_canvasactions.module

Implements hook_image_effect_info().

File

canvasactions/canvasactions.inc, line 613

Code

function canvasactions_canvas2file_dimensions(array &$dimensions, array $data) {
  if ($data['dimensions'] !== 'original') {
    $underlay = imagecache_actions_image_load($data['path']);
    if ($underlay) {

      // If the new dimensions are taken from the background, we don't need to
      // know the original dimensions, we can just set the new dimensions to the
      // dimensions of the background. Otherwise, we need to know the old
      // dimensions. If unknown we have to leave them unknown.
      switch ($data['dimensions']) {
        case 'background':
          $dimensions['width'] = $underlay->info['width'];
          $dimensions['height'] = $underlay->info['height'];
          break;
        case 'minimum':
          if ($dimensions['width'] !== NULL) {
            $dimensions['width'] = min($underlay->info['width'], $dimensions['width']);
          }
          if ($dimensions['height'] !== NULL) {
            $dimensions['height'] = min($underlay->info['height'], $dimensions['height']);
          }
          break;
        case 'maximum':
          if ($dimensions['width'] !== NULL) {
            $dimensions['width'] = max($underlay->info['width'], $dimensions['width']);
          }
          if ($dimensions['height'] !== NULL) {
            $dimensions['height'] = max($underlay->info['height'], $dimensions['height']);
          }
          break;
      }
    }
  }
}