Imagick::modulateImage

(no version information, might be only in CVS)

Imagick::modulateImage -- Control the brightness, saturation, and hue

Description

bool Imagick::modulateImage ( float brightness, float saturation, float hue )

Warning

This function is currently not documented; only the argument list is available.

Warning

This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

Lets you control the brightness, saturation, and hue of an image. Hue is the percentage of absolute rotation from the current position. For example 50 results in a counter-clockwise rotation of 90 degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 both resulting in a rotation of 180 degrees.

Parameters

brightness

Its description

saturation

Its description

hue

Its description

Return Values

Returns TRUE on success.