Small Middle Large は手動で変更する

RichTextExtension.cs

/// <summary>
///  Unity RichText  Extensions.
///  http://docs.unity3d.com/Documentation/Manual/StyledText.html
/// </summary>
namespace UnityExtensions.Text
{
	public static class RichTextExtension
	{
		public static string Large (this string text)
		{
			return Size (text, 30);
		}

		public static string Middle (this string text)
		{
			return Size (text, 22);
		}
	
		public static string Small (this string text)
		{
			return Size (text, 18);
		}

		public static string Size (this string text, int size)
		{
			return string.Format ("<size={0}>{1}</size>", size, text);
		}
	
		public static string Bold (this string text)
		{
			return string.Format ("<b>{0}</b>", text);
		}

		public static string Italic (this string text)
		{
			return string.Format ("<i>{0}</i>", text);
		}
	
		public static string Color (this string text, string color = "white")
		{
			return string.Format ("<color={0}>{1}</color>", color, text);
		}
	
		public static string Aqua (this string text)
		{
			return Color (text, "aqua");
		}

		public static string Black (this string text)
		{
			return Color (text, "black");
		}

		public static string Blue (this string text)
		{
			return Color (text, "blue");
		}

		public static string Brown (this string text)
		{
			return Color (text, "brown");
		}

		public static string Cyan (this string text)
		{
			return Color (text, "cyan");
		}

		public static string Darkblue (this string text)
		{
			return Color (text, "darkblue");
		}

		public static string Fuchsia (this string text)
		{
			return Color (text, "fuchsia");
		}

		public static string Green (this string text)
		{
			return Color (text, "green");
		}

		public static string Grey (this string text)
		{
			return Color (text, "grey");
		}

		public static string Lightblue (this string text)
		{
			return Color (text, "lightblue");
		}

		public static string Lime (this string text)
		{
			return Color (text, "lime");
		}

		public static string Magenta (this string text)
		{
			return Color (text, "magenta");
		}

		public static string Maroon (this string text)
		{
			return Color (text, "maroon");
		}

		public static string Navy (this string text)
		{
			return Color (text, "navy");
		}

		public static string Olive (this string text)
		{
			return Color (text, "olive");
		}

		public static string Orange (this string text)
		{
			return Color (text, "orange");
		}

		public static string Purple (this string text)
		{
			return Color (text, "purple");
		}

		public static string Red (this string text)
		{
			return Color (text, "red");
		}

		public static string Silver (this string text)
		{
			return Color (text, "silver");
		}

		public static string Teal (this string text)
		{
			return Color (text, "teal");
		}

		public static string White (this string text)
		{
			return Color (text, "white");
		}

		public static string Yellow (this string text)
		{
			return Color (text, "yellow");
		}

		public static string Material (this string text, int index = 0)
		{
			return string.Format ("<material={0}>{1}</material>", index, text);
		}
	
		public static string Quad (int index, int size, float x, float y, float width, float height)
		{
			return string.Format ("<quad material={0} size={1} x={2} y={3} width={4} height={5} />", index, size, x, y, width, height);
		}

		public static string Quad (int size, float x, float y, float width, float height)
		{
			return string.Format ("<quad size={0} x={1} y={2} width={3} height={4} />", size, x, y, width, height);
		}
	
		// ===============
		// 		Styles
		//================
		
		public static string Label (this string text)
		{
			return text.Middle ();
		}
	
		public static string MiniLabel (this string text)
		{
			return text.Small ();
		}

		public static string LargeLabel (this string text)
		{
			return text.Large ();
		}
	
		public static string BoldLabel (this string text)
		{
			return text.Middle ().Bold ();
		}

		public static string MiniBoldLabel (this string text)
		{
			return text.Small ().Bold ();
		}

		public static string LargeBoldLabel (this string text)
		{
			return text.Large ().Bold ();
		}

		public static string WhiteLabel (this string text)
		{
			return text. Middle ().White ();
		}

		public static string WhiteLargeLabel (this string text)
		{
			return text.Large ().White ();
		}
	
		public static string WhiteMiniLabel (this string text)
		{
			return text.Small ().White ();
		}

		public static string WhiteBoldLabel (this string text)
		{
			return text.Middle ().White ();
		}

		public static string WhiteMiniBoldLabel (this string text)
		{
			return text.Small ().White ();
		}

		public static string WhiteLargeBoldLabel (this string text)
		{
			return text.Large ().White ();
		}
		
		public static string BlackLabel (this string text)
		{
			return text. Middle ().Black ();
		}

		public static string BlackLargeLabel (this string text)
		{
			return text.Large ().Black ();
		}
	
		public static string BlackMiniLabel (this string text)
		{
			return text.Small ().Black ();
		}

		public static string BlackBoldLabel (this string text)
		{
			return text.Middle ().Black ();
		}

		public static string BlackMiniBoldLabel (this string text)
		{
			return text.Small ().Black ();
		}

		public static string BlackLargeBoldLabel (this string text)
		{
			return text.Large ().Black ();
		}
	}
}