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(PECL imagick 2.0.0)
Imagick::clutImage — Replaces colors in the image
$lookup_table
[, float $channel
= Imagick::CHANNEL_DEFAULT
] )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
。
Example #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' );
?>