abstract public background (mixed $color, [mixed $opacity]) ...

abstract public text (mixed $text, [mixed $offsetX], [mixed $offsetY], [mixed $opacity], [mixed $color], [mixed

abstract public flip (mixed $direction) ...

abstract public watermark (Phalcon\Image\Adapter

abstract public pixelate (mixed $amount) ...

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

Source

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

abstract public rotate (mixed $degrees) ...

abstract public blur (mixed $radius) ...