brightness and gamma correction?
BlitzMax Forums/BlitzMax Programming/brightness and gamma correction?
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There is any function or code to make a brightness and gamma correction in real time? |
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No. |
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Drawing an alphablended white rectangle over the screen with a low level of alpha value will have the same effect as increasing brightness. Drawing a black rectangle similarly will darken the screen. Gamma is more tricky and is more like a stretching of the range of contrast levels, sorta. The darkest colors stay dark while the lighter colors get proportionately lighter. |