(PECL imagick 3)
Imagick::haldClutImage — Replaces colors in the image
Replaces colors in the image using a Hald lookup table. Hald images can be created using HALD color coder.
clutImagick object containing the Hald lookup image.
channel
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. 缺省为Imagick::CHANNEL_DEFAULT.
参考此 通道常数列表
成功时返回 true。
错误时抛出 ImagickException。
示例 #1 Imagick::haldClutImage()
<?php
function haldClutImage($imagePath) {
$imagick = new \Imagick(realpath($imagePath));
$imagickPalette = new \Imagick(realpath("images/hald/hald_8.png"));
$imagickPalette->sepiatoneImage(55);
$imagick->haldClutImage($imagickPalette);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>