function _picture_image_style_url in Picture 7.2

Same name and namespace in other branches

1. 7 picture.module \_picture_image_style_url()

Wrapper around image_style_url() so we can return an empty image.

3 calls to _picture_image_style_url()

theme_picture in ./picture.module

Returns HTML for a picture.

theme_picture_sizes_formatter in ./picture.module

Theme pictue sizes formatter.

_picture_filter_prepare_image in ./picture.module

Prepares a Render Array for theme_picture_formatter().

File

./picture.module, line 2154

Picture formatter.

Code

function _picture_image_style_url($style_name, $path, $timestamp = NULL) {
  if ($style_name == PICTURE_EMPTY_IMAGE) {
    return 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
  }
  if ($style_name == PICTURE_ORIGINAL_IMAGE) {
    $url = file_create_url($path);
  }
  else {
    $url = image_style_url($style_name, $path);
  }
  $token_query = array();
  if (!empty($timestamp) && !variable_get('image_suppress_itok_output', FALSE)) {
    $token_query['timestamp'] = $timestamp;
  }

  // Allow modules to alter the $token_query for the given style.
  $context = array(
    'uri' => $url,
    'style_name' => $style_name,
    'path' => $path,
  );
  drupal_alter('image_style_uri_token_query', $token_query, $context);

  // Append the query string with the token, if necessary.
  if ($token_query) {
    $url .= (strpos($url, '?') !== FALSE ? '&' : '?') . drupal_http_build_query($token_query);
  }
  return $url;
}