Imagick::haldClutImage()

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Replaces colors in the image

说明

publicImagick::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.

参数

$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.缺省为Imagick::CHANNEL_DEFAULT.参考此通道常数列表

返回值

成功时返回TRUE。

错误／异常

错误时抛出 ImagickException。

范例

Example #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();
}
?>