Imagick::transformImageColorspace
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Imagick::transformImageColorspace — Transforms an image to a new colorspace.
Description
bool Imagick::transformImageColorspace ( int $colorspace )Transforms an image to a new colorspace.
Parameters
colorspace
The colorspace the image should be transformed to, one of the COLORSPACE constants e.g. Imagick::COLORSPACE_CMYK.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 Imagick::transformImageColorspace() example
Transforms an image to a new colorspace, and then extracts a single channel so that the individual channel values can be viewed.
<?php
function?transformImageColorspace($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?$imagick->getImageBlob();
}
?>See Also
- Imagick::setColorSpace() - Set colorspace
Examples
Example #2 Imagick::transformImageColorspace()
<?php
function?transformImageColorspace($imagePath,?$colorSpace,?$channel)?{
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imagick->transformimagecolorspace($colorSpace);
????$imagick->separateImageChannel($channel);
????header("Content-Type:?image/jpg");
????echo?$imagick->getImageBlob();
}
?>← Imagick::transformImage
Imagick::transparentPaintImage →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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