Imagick::haldClutImage

(PECL imagick 3)

Imagick::haldClutImage — Replaces colors in the image

說(shuō)明

public Imagick::haldClutImage(Imagick $clut, int $channel = Imagick::CHANNEL_DEFAULT): bool

Replaces colors in the image using a Hald lookup table. Hald images can be created using HALD color coder.

參數(shù)

clut: Imagick 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. 缺省為Imagick::CHANNEL_DEFAULT. 參考此通道常數(shù)列表

返回值

成功時(shí)返回 true。

錯(cuò)誤／異常

錯(cuò)誤時(shí)拋出 ImagickException。

范例

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();
}

?>