Imagick::modulateImage()

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

Syntax

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

Arguments

• brightness
• saturation
• hue

Description

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.

Version

PHP PECL imagick 2.0.0

Return value

Returns TRUE on success.