Imagick::haldClutImage()
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Replaces colors in the image
说明
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.
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(); } ?>