public static ColorF WithLightness(this IColorType original, double lightness)
{
ColorF colorF = original.ToColorF();
colorF.GetHSL(out double hue0To1, out double saturation0To1, out _);
return(ColorF.FromHSL(hue0To1, saturation0To1, lightness));
}
public static ColorF AdjustLightness(this IColorType original, double lightnessMultiplier)
{
ColorF colorF = original.ToColorF();
colorF.GetHSL(out double hue0To1, out double saturation0To1, out double lightness0To1);
lightness0To1 *= lightnessMultiplier;
return(ColorF.FromHSL(hue0To1, saturation0To1, lightness0To1));
}
public static ColorF WithLightness(this IColorType original, double lightness)
{
double hue0To1;
double saturation0To1;
double lightness0To1;
ColorF colorF = original is ColorF ? (ColorF)original : original.ToColorF();
colorF.GetHSL(out hue0To1, out saturation0To1, out lightness0To1);
return(ColorF.FromHSL(hue0To1, saturation0To1, lightness));
}
public static ColorF WithLightnessAdjustment(this IColorType original, double lightnessMultiplier)
{
double hue0To1;
double saturation0To1;
double lightness0To1;
ColorF colorF = original is ColorF ? (ColorF)original : original.ToColorF();
colorF.GetHSL(out hue0To1, out saturation0To1, out lightness0To1);
lightness0To1 *= lightnessMultiplier;
return(ColorF.FromHSL(hue0To1, saturation0To1, lightness0To1));
}
public Color BlendHsl(Color b, double rationB)
{
double aH, aS, aL;
new ColorF(this).GetHSL(out aH, out aS, out aL);
double bH, bS, bL;
new ColorF(b).GetHSL(out bH, out bS, out bL);
return(ColorF.FromHSL(
aH * (1 - rationB) + bH * rationB,
aS * (1 - rationB) + bS * rationB,
aL * (1 - rationB) + bL * rationB).ToColor());
}
public TriangleRenderer()
{
if (colors == null)
{
colors = new List <Color>();
var count = 20;
for (int i = 0; i < count; i++)
{
colors.Add(ColorF.FromHSL(i / (double)count, .7, .6).ToColor());
}
}
BackgroundColor = Color.LightBlue;
}
public static Color FromHSL(double hue0To1, double saturation0To1, double lightness0To1, double alpha = 1)
{
return(ColorF.FromHSL(hue0To1, saturation0To1, lightness0To1, alpha).ToColor());
}