public static Color Modify(Color col, double h, double s, double l)
{
ColorHSL hsl = new ColorHSL(col);
hsl.Hue *= h;
hsl.Saturation *= s;
hsl.Lightness *= l;
return(hsl.ToColorRGB());
}
public static Color Modify(ColorHSL col, double h, double s, double l)
{
ColorHSL hsl = new ColorHSL();
hsl.Hue = col.Hue * h;
hsl.Saturation = col.Saturation * s;
hsl.Lightness = col.Lightness * l;
return(hsl.ToColorRGB());
}
public static Color ModifyLightness(Color col, double delta, bool lighten)
{
ColorHSL hsl = new ColorHSL(col);
if (lighten)
{
hsl.Lightness = Math.Max(0.2, hsl.Lightness) * (1.0 + delta);
}
else
{
hsl.Lightness *= 1.0 - delta;
}
return(hsl.ToColorRGB());
}
public static Color ModifyLightness(ColorHSL col, double delta, bool lighten)
{
ColorHSL hsl = new ColorHSL();
hsl.Hue = col.Hue;
hsl.Saturation = col.Saturation;
if (lighten)
{
hsl.Lightness = col.Lightness * (1.0 + delta);
}
else
{
hsl.Lightness = col.Lightness * (1.0 - delta);
}
return(hsl.ToColorRGB());
}
