public static ColorNumber FromColor(Color color)
{
ColorNumber result = new ColorNumber();
result.Red = color.R;
result.Green = color.G;
result.Blue = color.B;
return(result);
}
//────────────────────────────────────────
public static ColorNumber FromRgb(int r, int g, int b)
{
ColorNumber result = new ColorNumber();
result.Red = r;
result.Green = g;
result.Blue = b;
return(result);
}
public static ColorNumber FromWeb(string s)
{
ColorNumber result = new ColorNumber();
//ystem.Console.WriteLine("ウェブカラー s=[" + s + "] s.Length=[" + s.Length + "]");
if (!s.StartsWith("#"))
{
}
else if (s.Length == 7)
{
string r = s.Substring(1, 2);
string g = s.Substring(3, 2);
string b = s.Substring(5, 2);
result.Red = Convert.ToInt32(r, 16);
result.Green = Convert.ToInt32(g, 16);
result.Blue = Convert.ToInt32(b, 16);
}
else if (s.Length == 4)
{
string[] rgb = new string[] {
s.Substring(1, 1),
s.Substring(2, 1),
s.Substring(3, 1)
};
for (int i = 0; i < 3; i++)
{
string color = rgb[i];
System.Console.WriteLine("ウェブカラー[" + i + "] color=[" + color + "]");
int n;
switch (color.ToUpper())
{
case "0":
n = Convert.ToInt32("00", 16);
break;
case "1":
n = Convert.ToInt32("11", 16);
break;
case "2":
n = Convert.ToInt32("22", 16);
break;
case "3":
n = Convert.ToInt32("33", 16);
break;
case "4":
n = Convert.ToInt32("44", 16);
break;
case "5":
n = Convert.ToInt32("55", 16);
break;
case "6":
n = Convert.ToInt32("66", 16);
break;
case "7":
n = Convert.ToInt32("77", 16);
break;
case "8":
n = Convert.ToInt32("88", 16);
break;
case "9":
n = Convert.ToInt32("99", 16);
break;
case "A":
n = Convert.ToInt32("AA", 16);
break;
case "B":
n = Convert.ToInt32("BB", 16);
break;
case "C":
n = Convert.ToInt32("CC", 16);
break;
case "D":
n = Convert.ToInt32("DD", 16);
break;
case "E":
n = Convert.ToInt32("EE", 16);
break;
case "F":
default:
n = Convert.ToInt32("FF", 16);
break;
}
switch (i)
{
case 0:
result.Red = n;
break;
case 1:
result.Green = n;
break;
default:
result.Blue = n;
break;
}
}
}
return(result);
}
