Imagick::haldClutImage

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Imagick::haldClutImage — Replaces colors in the image

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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.

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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. 锟轿匡拷锟斤拷 通锟斤拷锟斤拷锟斤拷锟叫憋拷

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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();
}

?>