DJ Mike's Tutorials: PHP

Imagick Functions

Imagick::modulateImage

Description:

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.

Parameters:

brightness

saturation

hue

Return Values

Returns TRUE on success.

Example

<?php
header("Content-type: image/jpeg");
$image = new Imagick("opossum.jpg"); 
$image->modulateImage(100,60,80);
echo $image;
?> 

^

Created by DJ Mike from Santa Barbara