public static Color GetColor(float v1, float v2, float v3, int a)
{
if (colorMode == ColorMode.RGB)
{
return(ColorBuilder.FromARGB((byte)v1, (byte)v2, (byte)v3, (byte)a));
}
else
{
return(FromHSB(v1, v2, v3));
}
}
public static Color FromHSB(float hue, float saturation, float brightness)
{
hue = (hue / 360);
if (hue > 1)
{
hue %= 1;
}
saturation = (saturation / 100);
if (saturation > 1)
{
saturation %= 1;
}
brightness = (brightness / 100);
if (brightness > 1)
{
brightness %= 1;
}
int r = 0, g = 0, b = 0;
if (saturation == 0)
{
r = g = b = (int)(brightness * 255.0f + 0.5f);
}
else
{
var h = (hue - (float)Math.Floor(hue)) * 6.0f;
var f = h - (float)Math.Floor(h);
var p = brightness * (1.0f - saturation);
var q = brightness * (1.0f - saturation * f);
var t = brightness * (1.0f - (saturation * (1.0f - f)));
switch ((int)h)
{
case 0:
r = (int)(brightness * 255.0f + 0.5f);
g = (int)(t * 255.0f + 0.5f);
b = (int)(p * 255.0f + 0.5f);
break;
case 1:
r = (int)(q * 255.0f + 0.5f);
g = (int)(brightness * 255.0f + 0.5f);
b = (int)(p * 255.0f + 0.5f);
break;
case 2:
r = (int)(p * 255.0f + 0.5f);
g = (int)(brightness * 255.0f + 0.5f);
b = (int)(t * 255.0f + 0.5f);
break;
case 3:
r = (int)(p * 255.0f + 0.5f);
g = (int)(q * 255.0f + 0.5f);
b = (int)(brightness * 255.0f + 0.5f);
break;
case 4:
r = (int)(t * 255.0f + 0.5f);
g = (int)(p * 255.0f + 0.5f);
b = (int)(brightness * 255.0f + 0.5f);
break;
case 5:
r = (int)(brightness * 255.0f + 0.5f);
g = (int)(p * 255.0f + 0.5f);
b = (int)(q * 255.0f + 0.5f);
break;
}
}
return(ColorBuilder.FromRGB(Convert.ToByte(r), Convert.ToByte(g), Convert.ToByte(b)));
}
