public save ([mixed $file], [mixed $quality]) Save the image

public static check () ...

public rotate (mixed $degrees) Rotate the image by a given amount

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

public pixelate (mixed $amount) Pixelate image

integer PRECISE

public getMime () Image mime type

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

Source

public resize ([mixed $width], [mixed $height], [mixed $master]) Resize the image to the given size