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.
Examples
Example #1 Imagick::modulateImage
<?php
function modulateImage($imagePath, $hue, $brightness, $saturation) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->modulateImage($brightness, $saturation, $hue);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>