class BlurImageEffect in Imagick 8

Blurs an image resource.

Plugin annotation


@ImageEffect(
  id = "image_blur",
  label = @Translation("Blur"),
  description = @Translation("Blurs an image, different methods can be used.")
)

Hierarchy

class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
  - class \Drupal\image\ImageEffectBase implements ContainerFactoryPluginInterface, ImageEffectInterface
    class \Drupal\image\ConfigurableImageEffectBase implements ConfigurableImageEffectInterface
    class \Drupal\imagick\Plugin\ImageEffect\BlurImageEffect

Expanded class hierarchy of BlurImageEffect

File

src/Plugin/ImageEffect/BlurImageEffect.php, line 19

Namespace

Drupal\imagick\Plugin\ImageEffect

View source

class BlurImageEffect extends ConfigurableImageEffectBase {

  /**
   * {@inheritdoc}
   */
  public function applyEffect(ImageInterface $image) {
    if (!$image
      ->apply('blur', $this->configuration)) {
      $this->logger
        ->error('Image blur failed using the %toolkit toolkit on %path (%mimetype)', [
        '%toolkit' => $image
          ->getToolkitId(),
        '%path' => $image
          ->getSource(),
        '%mimetype' => $image
          ->getMimeType(),
      ]);
      return FALSE;
    }
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'type' => ImagickConst::NORMAL_BLUR,
      'radius' => '16',
      'sigma' => '16',
      'angle' => '0',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['help'] = [
      '#value' => $this
        ->t('The intensity of the blur effect. For reasonable results, the radius should be larger than sigma.'),
    ];
    $form['type'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Blur type'),
      '#options' => [
        ImagickConst::NORMAL_BLUR => $this
          ->t('Normal'),
        ImagickConst::ADAPTIVE_BLUR => $this
          ->t('Adaptive'),
        ImagickConst::GAUSSIAN_BLUR => $this
          ->t('Gaussian'),
        ImagickConst::MOTION_BLUR => $this
          ->t('Motion'),
        ImagickConst::RADIAL_BLUR => $this
          ->t('Radial'),
      ],
      '#default_value' => $this->configuration['type'],
    ];
    $form['radius'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Radius'),
      '#description' => $this
        ->t('The radius of the Gaussian, in pixels, not counting the center pixel.'),
      '#states' => [
        'invisible' => [
          ':input[name="data[type]"]' => [
            'value' => ImagickConst::RADIAL_BLUR,
          ],
        ],
      ],
      '#default_value' => $this->configuration['radius'],
    ];
    $form['sigma'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Sigma'),
      '#description' => $this
        ->t('The standard deviation of the Gaussian, in pixels'),
      '#states' => [
        'invisible' => [
          ':input[name="data[type]"]' => [
            'value' => ImagickConst::RADIAL_BLUR,
          ],
        ],
      ],
      '#default_value' => $this->configuration['sigma'],
    ];
    $form['angle'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Angle'),
      '#description' => $this
        ->t('The angle of the blur'),
      '#states' => [
        'visible' => [
          ':input[name="data[type]"]' => [
            [
              'value' => ImagickConst::MOTION_BLUR,
            ],
            [
              'value' => ImagickConst::RADIAL_BLUR,
            ],
          ],
        ],
      ],
      '#default_value' => $this->configuration['angle'],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);
    $this->configuration['type'] = $form_state
      ->getValue('type');
    $this->configuration['radius'] = $form_state
      ->getValue('radius');
    $this->configuration['sigma'] = $form_state
      ->getValue('sigma');
    $this->configuration['angle'] = $form_state
      ->getValue('angle');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BlurImageEffect::applyEffect	public	function	Applies an image effect to the image object. Overrides ImageEffectInterface::applyEffect
BlurImageEffect::buildConfigurationForm	public	function	Form constructor. Overrides PluginFormInterface::buildConfigurationForm
BlurImageEffect::defaultConfiguration	public	function	Gets default configuration for this plugin. Overrides ImageEffectBase::defaultConfiguration
BlurImageEffect::submitConfigurationForm	public	function	Form submission handler. Overrides ConfigurableImageEffectBase::submitConfigurationForm
ConfigurableImageEffectBase::validateConfigurationForm	public	function	Form validation handler. Overrides PluginFormInterface::validateConfigurationForm	2
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_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
ImageEffectBase::$logger	protected	property	A logger instance.
ImageEffectBase::$uuid	protected	property	The image effect ID.
ImageEffectBase::$weight	protected	property	The weight of the image effect.
ImageEffectBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
ImageEffectBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
ImageEffectBase::getConfiguration	public	function	Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
ImageEffectBase::getDerivativeExtension	public	function	Returns the extension of the derivative after applying this image effect. Overrides ImageEffectInterface::getDerivativeExtension	1
ImageEffectBase::getSummary	public	function	Returns a render array summarizing the configuration of the image effect. Overrides ImageEffectInterface::getSummary	3
ImageEffectBase::getUuid	public	function	Returns the unique ID representing the image effect. Overrides ImageEffectInterface::getUuid
ImageEffectBase::getWeight	public	function	Returns the weight of the image effect. Overrides ImageEffectInterface::getWeight
ImageEffectBase::label	public	function	Returns the image effect label. Overrides ImageEffectInterface::label
ImageEffectBase::setConfiguration	public	function	Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
ImageEffectBase::setWeight	public	function	Sets the weight for this image effect. Overrides ImageEffectInterface::setWeight
ImageEffectBase::transformDimensions	public	function	Determines the dimensions of the styled image. Overrides ImageEffectInterface::transformDimensions	4
ImageEffectBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides PluginBase::__construct
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
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.

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class BlurImageEffect in Imagick 8

Plugin annotation

Hierarchy

File

Namespace

Members

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