Imagick::transformImageColorspace
(PECL imagick 3)
Imagick::transformImageColorspace — Transforms an image to a new colorspace
Description
public Imagick::transformImageColorspace(int
$colorspace): boolTransforms an image to a new colorspace.
Parameters
-
colorspace -
The colorspace the image should be transformed to, one of the COLORSPACE constants e.g. Imagick::COLORSPACE_CMYK.
Return Values
Returns true on success.
Examples
Example #1 Imagick::transformImageColorspace() example
Transforms an image to a new colorspace, and then extracts a single channel so that the individual channel values can be viewed.
<?php
function transformImageColorspace($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::setColorSpace() - Set colorspace
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