Imagick
PHP Manual

Imagick::blueShiftImage

Mutes the colors of the image

Description

public bool Imagick::blueShiftImage(float $factor = 1.5)

Mutes the colors of the image to simulate a scene at nighttime in the moonlight.

Parameters

factor

Return Values

Returns true on success.

Examples

Example #1 Imagick::blueShiftImage

<?php
function blueShiftImage($imagePath, $blueShift) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->blueShiftImage($blueShift);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>