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New Post: adjusting brightness and contrast

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Integer arithmetics is still the way to go for perf, especially with simple bit shifting and in loops. Please note that WBX supports a wide range of platforms like phone and their ARM chips.

The Sepia is just a color mod. I'd rather prefer a generic approach where one could pass the factors to be used for multiplying the brightness/gray. Anyway, we need to be careful not bloating the API as well. :)

Anyway, thanks for your help.

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