gflGamma
The gflGamma function increase or decrease the gamma of a picture.
GFL_ERROR gflGamma( GFL_BITMAP * src,
GFL_BITMAP ** dst,
double gamma );
Parameters
- src
- Pointer to a GFL_BITMAP structure.
- dst
-
Address of a pointer to a GFL_BITMAP structure.
NULL if on the same instance. - gamma
- A number between 0.01 and 5.
Return value
The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.
See also