imagegammacorrect
(PHP 3 >= 3.0.13, PHP 4, PHP 5)
imagegammacorrect -- Apply a gamma correction to a GD image
Beskrivelse
bool
imagegammacorrect ( resource image, float inputgamma, float outputgamma )
Applies gamma correction to the given gd image
given an input and an output gamma.
Parameterliste
image
An image resource, returned by one of the image creation functions,
such as imagecreatetruecolor().
inputgamma
The input gamma
outputgamma
The output gamma
Returneringsværdier
Returnerer TRUE ved succes, FALSE ved fejl.