function image_resize_filter_file_download in Image Resize Filter 7

Same name and namespace in other branches

1. 6 image_resize_filter.module \image_resize_filter_file_download()

Implements hook_file_download().

File

./image_resize_filter.module, line 100

After adding to a text format, this filter will parse the contents of submitted content and automatically scale image files to match the set dimensions of img tags.

Code

function image_resize_filter_file_download($uri) {

  // If this is a resized image, use the same access as the original image.
  $matches = array();
  if (preg_match('/^([a-z0-9\\-_]+:\\/\\/)resize\\/(.*)?-\\d+x\\d+(\\.png|\\.jpg|\\.jpeg|\\.gif)$/i', $uri, $matches)) {
    $headers = module_invoke_all('file_download', $matches[1] . $matches[2] . $matches[3]);
    if (in_array(-1, $headers)) {
      return -1;
    }
    if (count($headers)) {
      return array(
        'Content-Type' => file_get_mimetype($uri),
        'Content-Length' => filesize($uri),
      );
    }
  }
}