image_module_test.module

<?php


/**
 * @file
 * Provides Image module hook implementations for testing purposes.
 */
use Drupal\image\ImageStyleInterface;
function image_module_test_file_download($uri) {
    $default_uri = \Drupal::state()->get('image.test_file_download', FALSE);
    if ($default_uri == $uri) {
        return [
            'X-Image-Owned-By' => 'image_module_test',
        ];
    }
}

/**
 * Implements hook_image_effect_info_alter().
 */
function image_module_test_image_effect_info_alter(&$effects) {
    $state = \Drupal::state();
    // The 'image_module_test.counter' state variable value is set and accessed
    // from the ImageEffectsTest::testImageEffectsCaching() test and used to
    // signal if the image effect plugin definitions were computed or were
    // retrieved from the cache.
    // @see \Drupal\Tests\image\Kernel\ImageEffectsTest::testImageEffectsCaching()
    $counter = $state->get('image_module_test.counter');
    // Increase the test counter, signaling that image effects were processed,
    // rather than being served from the cache.
    $state->set('image_module_test.counter', ++$counter);
}

/**
 * Implements hook_image_style_presave().
 *
 * Used to save test third party settings in the image style entity.
 */
function image_module_test_image_style_presave(ImageStyleInterface $style) {
    $style->setThirdPartySetting('image_module_test', 'foo', 'bar');
}