BOOL fipImage::adjustGamma(double gamma) {
if(_dib) {
_bHasChanged = TRUE;
return FreeImage_AdjustGamma(_dib, gamma);
}
return FALSE;
}
/**
* A value of 1.0 leaves the image alone, less than one darkens it, and greater than one lightens it.
* The function returns TRUE on success. It returns FALSE when no image is loaded or gamma is less than or equal
* to zero or when the bitdepth of the source dib cannot be handled.
* @param pGamma Gamma quality.
*/
bool IND_Image::setGamma(double pGamma) {
// No image loaded
if (!isImageLoaded()) return false;
return FreeImage_AdjustGamma(getFreeImageHandle(), pGamma) != 0;
}