abstract public sharpen (mixed $amount) ...

abstract public save ([mixed $file], [mixed $quality]) ...

abstract public rotate (mixed $degrees) ...

abstract public resize ([mixed $width], [mixed $height], [mixed $master]) ...

abstract public render ([mixed $ext], [mixed $quality]) ...

abstract public reflection (mixed $height, [mixed $opacity], [mixed $fadeIn]) ...

abstract public pixelate (mixed $amount) ...

abstract public mask (Phalcon\Image\Adapter $watermark) ...

abstract public flip (mixed $direction) ...

abstract public crop (mixed $width, mixed $height, [mixed $offsetX], [mixed $offsetY]) ...