Imagick::transformImageColorspace

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Transforms an image to a new colorspace.

bool Imagick::transformImageColorspace ( int $colorspace )

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.

Returns:

Returns TRUE on success or FALSE on failure.

Examples:

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();
}
?>

Imagick::transformImageColorspace()

<?php
function transformImageColorspace($imagePath, $colorSpace, $channel) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->transformimagecolorspace($colorSpace);
    $imagick->separateImageChannel($channel);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>