function Convert::execute

Overrides ImageToolkitOperationBase::execute

File

core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Convert.php, line 44

Class

Convert

Defines GD2 convert operation.

Namespace

Code

protected function execute(array $arguments) {
    // Create a new image of the required dimensions and format, and copy
    // the original image on it with resampling. Restore the original image upon
    // failure.
    $width = $this->getToolkit()
        ->getWidth();
    $height = $this->getToolkit()
        ->getHeight();
    $original_image = $this->getToolkit()
        ->getImage();
    $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()
            ->getImage(), $original_image, 0, 0, 0, 0, $width, $height, $width, $height)) {
            return TRUE;
        }
        // In case of error, reset image and type to as it was.
        $this->getToolkit()
            ->setImage($original_image);
        $this->getToolkit()
            ->setType($original_type);
    }
    return FALSE;
}