function Convert::execute

File

core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Convert.php, line 42

Class

Convert

Defines GD2 convert operation.

Namespace

Code

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 = [
    '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;
}