Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<Imagick::transformImageImagick::transparentPaintImage>
^ImagickLast updated: Mon, 26 Oct 2026

Imagick::transformImageColorspace

(PECL imagick 3)

Imagick::transformImageColorspace — Transforms an image to a new colorspace

Description

public function Imagick::transformImageColorspace(int $colorspace): bool

Transforms an image to a new colorspace.

Parameters

colorspace

The colorspace the image should be transformed to, one of the COLORSPACE constants e.g. Imagick::COLORSPACE_CMYK.

Return Values

Returns true on success.

Examples

Example #1 Imagick::transformImageColorspace() example

Transforms an image to a new colorspace, and then extracts a single channel so that the individual channel values can be viewed. 

<?php
function transformImageColorspace($imagePath, $colorSpace, $channel) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->transformimagecolorspace($colorSpace);
    //channel should be one of the channel constants e.g. \Imagick::CHANNEL_BLUE 
    $imagick->separateImageChannel($channel);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}
?>

See Also


<Imagick::transformImageImagick::transparentPaintImage>
^ImagickLast updated: Mon, 26 Oct 2026