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<?php
declare(strict_types=1);
namespace Drupal\image\Plugin\ImageEffect;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Image\ImageInterface;
use Drupal\Core\ImageToolkit\ImageToolkitManager;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\image\Attribute\ImageEffect;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Converts an image resource to AVIF, with fallback.
*/
#[ImageEffect(
id: "image_convert_avif",
label: new TranslatableMarkup("Convert to AVIF"),
description: new TranslatableMarkup("Converts an image to AVIF, with a fallback if AVIF is not supported."),
)]
class AvifImageEffect extends ConvertImageEffect {
/**
* The image toolkit manager.
*
* @var \Drupal\Core\ImageToolkit\ImageToolkitManager
*/
protected ImageToolkitManager $imageToolkitManager;
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition): static {
$instance = parent::create($container, $configuration, $plugin_id, $plugin_definition);
$instance->imageToolkitManager = $container->get(ImageToolkitManager::class);
return $instance;
}
/**
* {@inheritdoc}
*/
public function applyEffect(ImageInterface $image) {
// If avif is not supported fallback to the parent.
if (!$this->isAvifSupported()) {
return parent::applyEffect($image);
}
if (!$image->convert('avif')) {
$this->logger->error('Image convert failed using the %toolkit toolkit on %path (%mimetype)', ['%toolkit' => $image->getToolkitId(), '%path' => $image->getSource(), '%mimetype' => $image->getMimeType()]);
return FALSE;
}
return TRUE;
}
/**
* {@inheritdoc}
*/
public function getDerivativeExtension($extension) {
return $this->isAvifSupported() ? 'avif' : $this->configuration['extension'];
}
/**
* {@inheritdoc}
*/
public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
$form = parent::buildConfigurationForm($form, $form_state);
unset($form['extension']['#options']['avif']);
$form['extension']['#title'] = $this->t('Fallback format');
$form['extension']['#description'] = $this->t('Format to use if AVIF is not available.');
return $form;
}
/**
* Is AVIF supported by the image toolkit.
*/
protected function isAvifSupported(): bool {
return in_array('avif', $this->imageToolkitManager->getDefaultToolkit()->getSupportedExtensions());
}
}
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