(PECL imagick 2, PECL imagick 3)
Imagick::clutImage — Replaces colors in the image
public Imagick::clutImage ( Imagick $lookup_table [, int $channel = Imagick::CHANNEL_DEFAULT ] ) : bool
Replaces colors in the image from a color lookup table. Optional second parameter to replace colors in a specific channel. This method is available if Imagick has been compiled against ImageMagick version 6.3.6 or newer.
lookup_table
Imagick object containing the color lookup table
channel
The Channeltype constant. When not supplied, default channels are replaced.
Returns true
on success.
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'); ?>
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https://www.php.net/manual/en/imagick.clutimage.php