class ImageToolkitBase

Same name in other branches
  1. 9 core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php \Drupal\Core\ImageToolkit\ImageToolkitBase
  2. 10 core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php \Drupal\Core\ImageToolkit\ImageToolkitBase
  3. 11.x core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php \Drupal\Core\ImageToolkit\ImageToolkitBase

Provides a base class for image toolkit plugins.

Hierarchy

Expanded class hierarchy of ImageToolkitBase

See also

\Drupal\Core\ImageToolkit\Annotation\ImageToolkit

\Drupal\Core\ImageToolkit\ImageToolkitInterface

\Drupal\Core\ImageToolkit\ImageToolkitManager

Plugin API

2 files declare their use of ImageToolkitBase
GDToolkit.php in core/modules/system/src/Plugin/ImageToolkit/GDToolkit.php
TestToolkit.php in core/modules/system/tests/modules/image_test/src/Plugin/ImageToolkit/TestToolkit.php

File

core/lib/Drupal/Core/ImageToolkit/ImageToolkitBase.php, line 19

Namespace

Drupal\Core\ImageToolkit
View source
abstract class ImageToolkitBase extends PluginBase implements ImageToolkitInterface {
    
    /**
     * The config factory.
     *
     * @var \Drupal\Core\Config\ConfigFactoryInterface
     */
    protected $configFactory;
    
    /**
     * Path of the image file.
     *
     * @var string
     */
    protected $source = '';
    
    /**
     * The image toolkit operation manager.
     *
     * @var \Drupal\Core\ImageToolkit\ImageToolkitOperationManagerInterface
     */
    protected $operationManager;
    
    /**
     * A logger instance.
     *
     * @var \Psr\Log\LoggerInterface
     */
    protected $logger;
    
    /**
     * Constructs an ImageToolkitBase object.
     *
     * @param array $configuration
     *   A configuration array containing information about the plugin instance.
     * @param string $plugin_id
     *   The plugin_id for the plugin instance.
     * @param array $plugin_definition
     *   The plugin implementation definition.
     * @param \Drupal\Core\ImageToolkit\ImageToolkitOperationManagerInterface $operation_manager
     *   The toolkit operation manager.
     * @param \Psr\Log\LoggerInterface $logger
     *   A logger instance.
     * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
     *   The config factory.
     */
    public function __construct(array $configuration, $plugin_id, array $plugin_definition, ImageToolkitOperationManagerInterface $operation_manager, LoggerInterface $logger, ConfigFactoryInterface $config_factory) {
        parent::__construct($configuration, $plugin_id, $plugin_definition);
        $this->operationManager = $operation_manager;
        $this->logger = $logger;
        $this->configFactory = $config_factory;
    }
    
    /**
     * {@inheritdoc}
     */
    public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function setSource($source) {
        // If a previous image has been loaded, there is no way to know if the
        // toolkit implementation needs to perform any additional actions like
        // freeing memory. Therefore, the source image cannot be changed once set.
        if ($this->source) {
            throw new \BadMethodCallException(__METHOD__ . '() may only be called once');
        }
        $this->source = $source;
        return $this;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getSource() {
        return $this->source;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getRequirements() {
        return [];
    }
    
    /**
     * Gets a toolkit operation plugin instance.
     *
     * @param string $operation
     *   The toolkit operation requested.
     *
     * @return \Drupal\Core\ImageToolkit\ImageToolkitOperationInterface
     *   An instance of the requested toolkit operation plugin.
     */
    protected function getToolkitOperation($operation) {
        return $this->operationManager
            ->getToolkitOperation($this, $operation);
    }
    
    /**
     * {@inheritdoc}
     */
    public function apply($operation, array $arguments = []) {
        try {
            // Get the plugin to use for the operation and apply the operation.
            return $this->getToolkitOperation($operation)
                ->apply($arguments);
        } catch (PluginNotFoundException $e) {
            $this->logger
                ->error("The selected image handling toolkit '@toolkit' can not process operation '@operation'.", [
                '@toolkit' => $this->getPluginId(),
                '@operation' => $operation,
            ]);
            return FALSE;
        } catch (\InvalidArgumentException $e) {
            $this->logger
                ->warning($e->getMessage(), []);
            return FALSE;
        }
    }

}

Members

Title Sort descending Modifiers Object type Summary Overriden Title Overrides
ContainerFactoryPluginInterface::create public static function Creates an instance of the plugin. 112
ImageToolkitBase::$configFactory protected property The config factory.
ImageToolkitBase::$logger protected property A logger instance.
ImageToolkitBase::$operationManager protected property The image toolkit operation manager.
ImageToolkitBase::$source protected property Path of the image file.
ImageToolkitBase::apply public function Applies a toolkit operation to an image. Overrides ImageToolkitInterface::apply 1
ImageToolkitBase::getRequirements public function Gets toolkit requirements in a format suitable for hook_requirements(). Overrides ImageToolkitInterface::getRequirements 1
ImageToolkitBase::getSource public function Gets the source path of the image file. Overrides ImageToolkitInterface::getSource
ImageToolkitBase::getToolkitOperation protected function Gets a toolkit operation plugin instance.
ImageToolkitBase::setSource public function Sets the source path of the image file. Overrides ImageToolkitInterface::setSource
ImageToolkitBase::validateConfigurationForm public function Form validation handler. Overrides PluginFormInterface::validateConfigurationForm 1
ImageToolkitBase::__construct public function Constructs an ImageToolkitBase object. 2
ImageToolkitInterface::getHeight public function Returns the height of the image. 2
ImageToolkitInterface::getMimeType public function Returns the MIME type of the image file. 2
ImageToolkitInterface::getSupportedExtensions public static function Returns a list of image file extensions supported by the toolkit. 2
ImageToolkitInterface::getWidth public function Returns the width of the image. 2
ImageToolkitInterface::isAvailable public static function Verifies that the Image Toolkit is set up correctly. 2
ImageToolkitInterface::isValid public function Checks if the image is valid. 2
ImageToolkitInterface::parseFile public function Determines if a file contains a valid image. 2
ImageToolkitInterface::save public function Writes an image resource to a destination file. 2
PluginFormInterface::buildConfigurationForm public function Form constructor. 32
PluginFormInterface::submitConfigurationForm public function Form submission handler. 31
PluginInspectionInterface::getPluginDefinition public function Gets the definition of the plugin implementation. 6
PluginInspectionInterface::getPluginId public function Gets the plugin_id of the plugin instance. 2

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