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glebov21/Color.cs

Created September 29, 2023 11:25
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c# Contrast formula RGB
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Color.cs
var contrast = 30; //[-255;+255]
float factor = (259f * (contrast + 255f)) / (255f * (259f - contrast));
Color.r = (byte)Math.Clamp(factor * (Color.r - 128) + 128, 0, 255);
Color.g = (byte)Math.Clamp(factor * (Color.g - 128) + 128, 0, 255);
Color.b = (byte)Math.Clamp(factor * (Color.b - 128) + 128, 0, 255);
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