protected function Desaturate::execute in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Desaturate.php \Drupal\system\Plugin\ImageToolkit\Operation\gd\Desaturate::execute()

Performs the actual manipulation on the image.

Image toolkit operation implementers must implement this method. This method is responsible for actually performing the operation on the image. When this method gets called, the implementer may assume all arguments, also the optional ones, to be available, validated and corrected.

Parameters

array $arguments: An associative array of arguments to be used by the toolkit operation.

Return value

bool TRUE if the operation was performed successfully, FALSE otherwise.

Overrides ImageToolkitOperationBase::execute

File

core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Desaturate.php, line 34

Contains \Drupal\system\Plugin\ImageToolkit\Operation\gd\Desaturate.

Class

Desaturate

Defines GD2 Desaturate operation.

Namespace

Drupal\system\Plugin\ImageToolkit\Operation\gd

Code

protected function execute(array $arguments) {

  // PHP installations using non-bundled GD do not have imagefilter.
  if (!function_exists('imagefilter')) {
    $this->logger
      ->notice("The image '@file' could not be desaturated because the imagefilter() function is not available in this PHP installation.", array(
      '@file' => $this
        ->getToolkit()
        ->getSource(),
    ));
    return FALSE;
  }
  return imagefilter($this
    ->getToolkit()
    ->getResource(), IMG_FILTER_GRAYSCALE);
}