/**
* 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);
}
/**
* Creates an image preset from the given configuration.
* @param array $config the configuration.
* @return ImagePreset the object.
*/
public function createPreset($config)
{
return ImagePreset::create($config);
}
