PHP | Imagick clutImage() Function

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The Imagick::clutImage() function is an inbuilt function in PHP which is used to replace the colors in the image. The second parameter of this function replaces the color in a specific channel.

Syntax:

bool Imagick::clutImage( $lookup_table, $channel = Imagick::CHANNEL_DEFAULT )

Parameters: This function accepts two parameters as mentioned above and described below:

$lookup_table: This parameter containing Imagick object for color lookup table.
$channel: It is the channel constants which provides any channel that is valid for your channel mode. The default value of $channel is Imagick::CHANNEL_DEFAULT.

Return Value: This function returns True on success or false on failure.

Below program illustrates the Imagick::clutImage() function in PHP:

Program:

PHP

<?php
 
// Declare an Imagick object
$image = new Imagick(
'https://write.zambiatek.com/wp-content/uploads/zambiatek-17.png');
 
$clut = new Imagick();
 
// Imagick object chosen green color from color lookup table
$clut->newImage(1, 1, new ImagickPixel('green'));
 
// No channel is applied hence default channel is used
$image->clutImage($clut);
 
header("Content-Type: image/jpg");
  
// Display the output image
echo $image->getImageBlob();
?>

Output:

Reference: https://www.php.net/manual/en/imagick.clutimage.php

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