Control the brightness, saturation, and hue


(PECL imagick 2.0.0)

Imagick::modulateImageControl the brightness, saturation, and hue

Описание

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.

Список параметров

brightness

saturation

hue

Возвращаемые значения

В случае успешной работы возвращает TRUE.

Примеры

Пример #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();
}

?>