/**
* {@inheritdoc}
*/
public function createVariation(ImageFormat $output_format, $quality, ImageDimensions $dimensions = null, ImageCropDimensions $crop_dimensions = null)
{
try {
$img = new InterventionImage($this->data);
} catch (\Intervention\Image\Exception\InvalidImageDataStringException $e) {
throw new BadImageException('Bad image data', 0, $e);
} catch (\Intervention\Image\Exception\ImageNotFoundException $e) {
throw new BadImageException('Not an image', 0, $e);
}
if ($dimensions) {
if ($dimensions->getGrab()) {
$img->grab($dimensions->getWidth(), $dimensions->getHeight());
} else {
$img->resize($dimensions->getWidth(), $dimensions->getHeight(), $dimensions->getMaintainRatio(), $dimensions->canUpscale());
}
}
return $img->encode($output_format->key(), $quality);
}