Returns the given image style URL.

Explicitly supports the special empty image as aa data: URL.

Parameters

string $style_name: Name of the image style.

string $path: The path or URI to the original image.

Return value

string The image style URL.

File

core/modules/responsive_image/src/ResponsiveImageBuilder.php, line 330

Class

ResponsiveImageBuilder

Provides methods related to building responsive image source attributes.

Namespace

Drupal\responsive_image

Code

public function getImageStyleUrl(string $style_name, string $path) : string {
  if ($style_name == ResponsiveImageStyleInterface::EMPTY_IMAGE) {
    // The smallest data URI for a 1px square transparent GIF image.
    // http://probablyprogramming.com/2009/03/15/the-tiniest-gif-ever
    return 'data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==';
  }
  $entity = ImageStyle::load($style_name);
  if ($entity instanceof ImageStyle) {
    return $this->fileUrlGenerator
      ->transformRelative($entity->buildUrl($path));
  }
  return $this->fileUrlGenerator
    ->generateString($path);
}

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