imagegammacorrect
(PHP 3 >= 3.0.13, PHP 4, PHP 5)
imagegammacorrect -- Apply a gamma correction to a GD image
Description
bool
imagegammacorrect ( resource image, float inputgamma, float outputgamma )
Applies gamma correction to the given gd image
given an input and an output gamma.
Parameters
imageAn image resource, returned by one of the image creation functions,
such as imagecreatetruecolor().
inputgamma
The input gamma
outputgamma
The output gamma
Return Values
Returns TRUE on success or FALSE on failure.