(3.0.13 - 3.0.18 only, PHP 4 >= 4.0.0)
ImageGammaCorrect -- Apply a gamma correction to a GD image
Description
int imagegammacorrect (int im, float inputgamma, float
outputgamma)
The ImageGammaCorrect() function applies gamma correction to a gd image stream
(im) given an input gamma, the parameter inputgamma and an output
gamma, the parameter outputgamma.
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