Imagick
PHP Manual

Imagick::modulateImage

(PECL imagick 2.0.0)

Imagick::modulateImageControl the brightness, saturation, and hue

Descrizione

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

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.

Elenco dei parametri

brightness

saturation

hue

Valori restituiti

Restituisce TRUE in caso di successo.


Imagick
PHP Manual