function imageinfo_cache_theme_imagecache in Imageinfo Cache 6

Same name and namespace in other branches

1. 6.2 imageinfo_cache.module \imageinfo_cache_theme_imagecache()

Create an image tag for an imagecache derivative

Parameters

$presetname: String with the name of the preset used to generate the derivative image.

$path: String path to the original image you wish to create a derivative image tag for.

$alt: Optional string with alternate text for the img element.

$title: Optional string with title for the img element.

$attributes: Optional drupal_attributes() array. If $attributes is an array then the default imagecache classes will not be set automatically, you must do this manually.

$getsize: If set to TRUE, the image's dimension are fetched and added as width/height attributes.

Return value

HTML img element string.

1 string reference to 'imageinfo_cache_theme_imagecache'

imageinfo_cache_theme_registry_alter in ./imageinfo_cache.module

Implementation of hook_theme_registry_alter().

File

./imageinfo_cache.module, line 309

Cache image info for theme_imagecache & theme_imagefield_image.

Code

function imageinfo_cache_theme_imagecache($presetname, $path, $alt = '', $title = '', $attributes = NULL, $getsize = TRUE) {

  // Only run if we are going to get the width and height from the file.
  if ($getsize) {
    $imagecache_path = imagecache_create_path($presetname, $path);
    if ($imagecache_path) {

      // Cache ID and cache_get.
      $cid = 'imagecache_' . $presetname . '_' . md5($path);
      $image = cache_get($cid, 'cache_imageinfo');

      // Use cached data if available.
      if (!empty($image)) {
        $image = $image->data;
        if (empty($image) || empty($image['width']) || empty($image['height'])) {
          unset($image);
        }
        if ($image['width'] == 1 || $image['height'] == 1) {
          unset($image);
        }
      }

      // Get the width and height from the file if $image was bad.
      if (empty($image)) {
        $image = image_get_info($imagecache_path);
        if (!empty($image) && !empty($image['width']) && !empty($image['height'])) {
          $lifetime = variable_get('imageinfo_cache_lifetime', IMAGEINFO_CACHE_LIFETIME);
          cache_set($cid, $image, 'cache_imageinfo', time() + $lifetime);
        }
      }

      // If we have the image info then set some variables before calling the
      // original theme function.
      if (!empty($image) && !empty($image['width']) && !empty($image['height'])) {

        // Check is_null() so people can intentionally pass an empty array of
        // to override the defaults completely.
        if (is_null($attributes)) {
          $attributes = array(
            'class' => 'imagecache imagecache-' . $presetname,
          );
        }
        $attributes['width'] = $image['width'];
        $attributes['height'] = $image['height'];
        $getsize = FALSE;
      }
    }
  }

  // Run original theme function.
  $function = variable_get('imageinfo_cache_theme_imagecache_callback', IMAGEINFO_CACHE_THEME_IMAGECACHE_CALLBACK);
  return $function($presetname, $path, $alt, $title, $attributes, $getsize);
}