DJ Mike's Tutorials: PHP

Imagemagick Functions

Description:

bool Imagick::clutImage ( Imagick $lookup_table [, int $channel ] )

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 is compiled against ImageMagick 6.3.5-7 or newer.

Parameters

lookup_table

Imagick object containing the color lookup table

channel

The Channeltype constant. When not supplied, all channels are replaced.

Channel constants:

imagick::CHANNEL_UNDEFINED
imagick::CHANNEL_RED
imagick::CHANNEL_GRAY
imagick::CHANNEL_CYAN
imagick::CHANNEL_GREEN
imagick::CHANNEL_MAGENTA
imagick::CHANNEL_BLUE
imagick::CHANNEL_YELLOW
imagick::CHANNEL_ALPHA
imagick::CHANNEL_OPACITY
imagick::CHANNEL_MATTE
imagick::CHANNEL_BLACK
imagick::CHANNEL_INDEX
imagick::CHANNEL_ALL

Return Values

Returns TRUE on success.

Example

+

=

<?php
$image = new Imagick("opossum.jpg");
$clut = new Imagick("rainbow.gif");
$image->clutImage( $clut );
header("content-type:image/jpeg");
echo $image;
?>

Created by DJ Mike from Santa Barbara