(PECL imagick 3 >= 3.3.0)
Imagick::blueShiftImage — Mutes the colors of the image
$factor = 1.5): boolMutes the colors of the image to simulate a scene at nighttime in the moonlight.
factor
成功时返回 true。
示例 #1 Imagick::blueShiftImage()
<?php
function blueShiftImage($imagePath, $blueShift) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->blueShiftImage($blueShift);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>