Imagick::modulateImage
(PECL imagick 2.0.0)
Imagick::modulateImage — Control the brightness, saturation, and hue
Description
bool Imagick::modulateImage ( float $brightness , float $saturation , float $hue )Lets you control the brightness, saturation, and hue of an image. Hue is the percentage of absolute rotation from the current position. For example 50 results in a counter-clockwise rotation of 90 degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 both resulting in a rotation of 180 degrees.
Parameters
brightness saturation hue
Return Values
Returns TRUE on success.
Examples
Example #1 Imagick::modulateImage()
<?php
function?modulateImage($imagePath,?$hue,?$brightness,?$saturation)?{
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imagick->modulateImage($brightness,?$saturation,?$hue);
????header("Content-Type:?image/jpg");
????echo?$imagick->getImageBlob();
}
?>← Imagick::minifyImage
Imagick::montageImage →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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