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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\system\Plugin\ImageToolkit\Operation\gd\Convert. | |
| */ | |
| namespace Drupal\system\Plugin\ImageToolkit\Operation\gd; | |
| /** | |
| * Defines GD2 convert operation. | |
| * | |
| * @ImageToolkitOperation( | |
| * id = "gd_convert", | |
| * toolkit = "gd", | |
| * operation = "convert", | |
| * label = @Translation("Convert"), | |
| * description = @Translation("Instructs the toolkit to save the image with a specified extension.") | |
| * ) | |
| */ | |
| class Convert extends GDImageToolkitOperationBase { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function arguments() { | |
| return array( | |
| 'extension' => array( | |
| 'description' => 'The new extension of the converted image', | |
| ), | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function validateArguments(array $arguments) { | |
| if (!in_array($arguments['extension'], $this->getToolkit()->getSupportedExtensions())) { | |
| throw new \InvalidArgumentException("Invalid extension ({$arguments['extension']}) specified for the image 'convert' operation"); | |
| } | |
| return $arguments; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function execute(array $arguments) { | |
| // Create a new resource of the required dimensions and format, and copy | |
| // the original resource on it with resampling. Destroy the original | |
| // resource upon success. | |
| $width = $this->getToolkit()->getWidth(); | |
| $height = $this->getToolkit()->getHeight(); | |
| $original_resource = $this->getToolkit()->getResource(); | |
| $original_type = $this->getToolkit()->getType(); | |
| $data = array( | |
| 'width' => $width, | |
| 'height' => $height, | |
| 'extension' => $arguments['extension'], | |
| 'transparent_color' => $this->getToolkit()->getTransparentColor(), | |
| 'is_temp' => TRUE, | |
| ); | |
| if ($this->getToolkit()->apply('create_new', $data)) { | |
| if (imagecopyresampled($this->getToolkit()->getResource(), $original_resource, 0, 0, 0, 0, $width, $height, $width, $height)) { | |
| imagedestroy($original_resource); | |
| return TRUE; | |
| } | |
| // In case of error, reset resource and type to as it was. | |
| $this->getToolkit()->setResource($original_resource); | |
| $this->getToolkit()->setType($original_type); | |
| } | |
| return FALSE; | |
| } | |
| } |