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(PECL imagick 2, PECL imagick 3)
Imagick::clutImage — Replaces colors in the image
Replaces colors in the image from a color lookup table. Optional second parameter to replace colors in a specific channel. 此方法在Imagick基于ImageMagick 6.3.6以上版本编译时可用。
lookup_table
Imagick object containing the color lookup table
channel
The Channeltype constant. When not supplied, default channels are replaced.
成功时返回 true。
示例 #1 Using Imagick::clutImage():
Replace colors in the image from a color lookup table.
<?php
$image = new Imagick('test.jpg');
$clut = new Imagick();
$clut->newImage(1, 1, new ImagickPixel('black'));
$image->clutImage($clut);
$image->writeImage('test_out.jpg');
?>
