public ImageStyle::createDerivative($original_uri, $derivative_uri)
Creates a new image derivative based on this image style.
Generates an image derivative applying all image effects and saving the resulting image.
Parameters
string $original_uri: Original image file URI.
string $derivative_uri: Derivative image file URI.
Return value
bool TRUE if an image derivative was generated, or FALSE if the image derivative could not be generated.
Overrides ImageStyleInterface::createDerivative
File
- core/modules/image/src/Entity/ImageStyle.php, line 276
Class
- ImageStyle
- Defines an image style configuration entity.
Namespace
Drupal\image\Entity
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | public function createDerivative($original_uri, $derivative_uri) { // If the source file doesn't exist, return FALSE without creating folders. $image = \Drupal::service('image.factory')->get($original_uri); if (!$image->isValid()) { return FALSE; } // Get the folder for the final location of this style. $directory = drupal_dirname($derivative_uri); // Build the destination folder tree if it doesn't already exist. if (!file_prepare_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) { \Drupal::logger('image')->error('Failed to create style directory: %directory', array('%directory' => $directory)); return FALSE; } foreach ($this->getEffects() as $effect) { $effect->applyEffect($image); } if (!$image->save($derivative_uri)) { if (file_exists($derivative_uri)) { \Drupal::logger('image')->error('Cached image file %destination already exists. There may be an issue with your rewrite configuration.', array('%destination' => $derivative_uri)); } return FALSE; } return TRUE;} |
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