Gmagick::normalizeimage
(PECL gmagick >= Unknown)
Gmagick::normalizeimage — Enhances the contrast of a color image
Description
public Gmagick::normalizeimage ([ int $channel ] ) : Gmagick
Enhances the contrast of a color image by adjusting the pixels color to span the entire range of colors available.
Parameters
-
channel -
Identify which channel to normalize
Return Values
The Gmagick object on success
Errors/Exceptions
Throws an GmagickException on error.
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https://www.php.net/manual/en/gmagick.normalizeimage.php