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class DesaturateImageEffect in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/modules/image/src/Plugin/ImageEffect/DesaturateImageEffect.php \Drupal\image\Plugin\ImageEffect\DesaturateImageEffect

Desaturates (grayscale) an image resource.

Plugin annotation


@ImageEffect(
  id = "image_desaturate",
  label = @Translation("Desaturate"),
  description = @Translation("Desaturate converts an image to grayscale.")
)

Hierarchy

Expanded class hierarchy of DesaturateImageEffect

File

core/modules/image/src/Plugin/ImageEffect/DesaturateImageEffect.php, line 22
Contains \Drupal\image\Plugin\ImageEffect\DesaturateImageEffect.

Namespace

Drupal\image\Plugin\ImageEffect
View source
class DesaturateImageEffect extends ImageEffectBase {

  /**
   * {@inheritdoc}
   */
  public function applyEffect(ImageInterface $image) {
    if (!$image
      ->desaturate()) {
      $this->logger
        ->error('Image desaturate failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', array(
        '%toolkit' => $image
          ->getToolkitId(),
        '%path' => $image
          ->getSource(),
        '%mimetype' => $image
          ->getMimeType(),
        '%dimensions' => $image
          ->getWidth() . 'x' . $image
          ->getHeight(),
      ));
      return FALSE;
    }
    return TRUE;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
DesaturateImageEffect::applyEffect public function Applies an image effect to the image object. Overrides ImageEffectInterface::applyEffect
ImageEffectBase::$logger protected property A logger instance.
ImageEffectBase::$uuid protected property The image effect ID.
ImageEffectBase::$weight protected property The weight of the image effect.
ImageEffectBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
ImageEffectBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
ImageEffectBase::defaultConfiguration public function Gets default configuration for this plugin. Overrides ConfigurablePluginInterface::defaultConfiguration 3
ImageEffectBase::getConfiguration public function Gets this plugin's configuration. Overrides ConfigurablePluginInterface::getConfiguration
ImageEffectBase::getDerivativeExtension public function Returns the extension the derivative would have have after applying this image effect. Overrides ImageEffectInterface::getDerivativeExtension 1
ImageEffectBase::getSummary public function Returns a render array summarizing the configuration of the image effect. Overrides ImageEffectInterface::getSummary 3
ImageEffectBase::getUuid public function Returns the unique ID representing the image effect. Overrides ImageEffectInterface::getUuid
ImageEffectBase::getWeight public function Returns the weight of the image effect. Overrides ImageEffectInterface::getWeight
ImageEffectBase::label public function Returns the image effect label. Overrides ImageEffectInterface::label
ImageEffectBase::setConfiguration public function Sets the configuration for this plugin instance. Overrides ConfigurablePluginInterface::setConfiguration
ImageEffectBase::setWeight public function Sets the weight for this image effect. Overrides ImageEffectInterface::setWeight
ImageEffectBase::transformDimensions public function Determines the dimensions of the styled image. Overrides ImageEffectInterface::transformDimensions 4
ImageEffectBase::__construct public function Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides PluginBase::__construct
PluginBase::$configuration protected property Configuration information passed into the plugin. 2
PluginBase::$pluginDefinition protected property The plugin implementation definition.
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
StringTranslationTrait::$stringTranslation protected property The string translation service.
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.