/**
* Creates a new image by filtering an existing image.
* @param integer $id the model id.
* @param string $format the image format.
* @throws CException if a required parameters is missing.
*/
public function actionFilter($id, $format)
{
if (!isset($_GET['config'])) {
throw new CException('You have to provide a "config" parameter.');
}
if (($model = $this->getManager()->loadModel($id, 'file')) === null) {
throw new CException(sprintf('Failed to locate image model with id "%d".', $id));
}
$image = $model->openImage();
$preset = ImagePreset::create(array('filters' => $_GET['config']));
$image = $preset->applyFilters($image);
$image->show($format);
}
/**
* Opens an image and applies to filters in the given preset.
* @param string $path the image path.
* @param ImagePreset $preset the preset name.
* @return ImageInterface the image.
*/
public function openImageWithPreset($path, $preset)
{
return $preset->applyFilters($this->openImage($path));
}
