Php/docs/imagick.modulateimage
Imagick::modulateImage
(PECL imagick 2, PECL imagick 3)
Imagick::modulateImage — Control the brightness, saturation, and hue
Description
public Imagick::modulateImage
( float $brightness
, float $saturation
, float $hue
) : bool
Lets you control the brightness, saturation, and hue of an image. Hue is the percentage of absolute rotation from the current position. For example 50 results in a counter-clockwise rotation of 90 degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 both resulting in a rotation of 180 degrees.
Parameters
brightnesssaturationhue
Return Values
Returns TRUE on success.
Examples
Example #1 Imagick::modulateImage()
<?phpfunction modulateImage($imagePath, $hue, $brightness, $saturation) { $imagick = new \Imagick(realpath($imagePath)); $imagick->modulateImage($brightness, $saturation, $hue); header("Content-Type: image/jpg"); echo $imagick->getImageBlob();}?>
