public static BasicColor IncreaseSaturation(BasicColor input, double factor)
{
if (factor < 0 || factor > 1)
{
throw new ArgumentException();
}
if (input.IsGray())
{
return(input);
}
byte inMin = input.GetMinRGB(), inMax = input.GetMaxRGB(), outMin, outMax;
if (factor == 1)
{
outMin = 0;
outMax = byte.MaxValue;
}
else
{
outMin = (byte)((double)inMin * (1 - factor));
outMax = (byte)((double)inMax * (1.0 - factor) + (double)byte.MaxValue * (factor));
}
return(input.Copy().Map(inMin, inMax, outMin, outMax));
}
public static BasicColor SetMinBrightness(BasicColor input, double factor)
{
if (factor < 0 || factor > 1)
{
throw new ArgumentException();
}
byte outMin = (byte)(byte.MaxValue * factor);
return(input.Copy().Map(0, byte.MaxValue, outMin, byte.MaxValue));
}
