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Author Topic: Changing gamma, brightness and contrast  (Read 3093 times)

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shiroaisu

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Changing gamma, brightness and contrast
« on: January 12, 2011, 12:56:37 pm »
Hi.

I would like to know if there is any way to change the gamma, brightness and contrast of the window using SFML.

tks in advance.

Laurent

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Changing gamma, brightness and contrast
« Reply #1 on: January 12, 2011, 07:18:01 pm »
The only "easy" way that I can think of, is to use a shader.
Laurent Gomila - SFML developer

shiroaisu

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Changing gamma, brightness and contrast
« Reply #2 on: January 12, 2011, 07:29:23 pm »
yes i tought of that too, but that would only change the brigtness, what about the contrast?? is there anyway to change it?

AlexM

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Changing gamma, brightness and contrast
« Reply #3 on: January 12, 2011, 07:43:51 pm »
You should be able to make a contrast filter via shaders as well.

Laurent

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Changing gamma, brightness and contrast
« Reply #4 on: January 12, 2011, 08:36:08 pm »
As long as there's a formula that can process RGBA and can output RGBA, you can do it with a shader.
Laurent Gomila - SFML developer

shiroaisu

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Changing gamma, brightness and contrast
« Reply #5 on: January 12, 2011, 10:16:05 pm »
Ok thanks for the replies :)