internal void OnSelectColorChanged(HsvColor color)
{
if (SelectColorChanged != null)
{
SelectColorChanged(color);
}
}
/// <summary>
/// 指定したHsvColorからColorを作成する
/// </summary>
/// <param name="hsv">HsvColor</param>
/// <returns>Color</returns>
public static Color ToRgb(HsvColor hsv)
{
float v = hsv.V;
float s = hsv.S;
float r, g, b;
if (s == 0)
{
r = v;
g = v;
b = v;
}
else
{
float h = hsv.H / 60f;
int i = (int)Math.Floor(h);
float f = h - i;
float p = v * (1f - s);
float q;
if (i % 2 == 0)
{
//t
q = v * (1f - (1f - f) * s);
}
else
{
q = v * (1f - f * s);
}
switch (i)
{
case 0:
r = v;
g = q;
b = p;
break;
case 1:
r = q;
g = v;
b = p;
break;
case 2:
r = p;
g = v;
b = q;
break;
case 3:
r = p;
g = q;
b = v;
break;
case 4:
r = q;
g = p;
b = v;
break;
case 5:
r = v;
g = p;
b = q;
break;
default:
throw new ArgumentException(
"色相の値が不正です。", "hsv");
}
}
return Color.FromArgb(
(byte)255,
(byte)Math.Round(r * 255f),
(byte)Math.Round(g * 255f),
(byte)Math.Round(b * 255f));
}
/// <summary>
/// 指定したHsvColorからColorを作成する
/// </summary>
/// <param name="hsv">HsvColor</param>
/// <returns>Color</returns>
public static Color ToRgb(HsvColor hsv)
{
float v = hsv.V;
float s = hsv.S;
float r, g, b;
if (s == 0)
{
r = v;
g = v;
b = v;
}
else
{
float h = hsv.H / 60f;
int i = (int)Math.Floor(h);
float f = h - i;
float p = v * (1f - s);
float q;
if (i % 2 == 0)
{
//t
q = v * (1f - (1f - f) * s);
}
else
{
q = v * (1f - f * s);
}
switch (i)
{
case 0:
r = v;
g = q;
b = p;
break;
case 1:
r = q;
g = v;
b = p;
break;
case 2:
r = p;
g = v;
b = q;
break;
case 3:
r = p;
g = q;
b = v;
break;
case 4:
r = q;
g = p;
b = v;
break;
case 5:
r = v;
g = p;
b = q;
break;
default:
throw new ArgumentException(
"色相の値が不正です。", "hsv");
}
}
return(Color.FromArgb(
(byte)255,
(byte)Math.Round(r * 255f),
(byte)Math.Round(g * 255f),
(byte)Math.Round(b * 255f)));
}