abstract public pixelate (mixed $amount) ...

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

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

abstract public watermark (Phalcon\Image\Adapter

abstract public flip (mixed $direction) ...

Source

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

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

abstract public rotate (mixed $degrees) ...

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