(PECL imagick 3)
Imagick::transformImageColorspace — Transforms an image to a new colorspace
$colorspace
): boolTransforms an image to a new colorspace.
colorspace
The colorspace the image should be transformed to, one of the COLORSPACE constants e.g. Imagick::COLORSPACE_CMYK.
Returns true
on success.
Example #1 Imagick::transformImageColorspace() example
Transforms an image to a new colorspace, and then extracts a single channel so that the individual channel values can be viewed.
<?phpfunction transformImageColorspace($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();}?>