rtffonttable.cs

xhtml到rtf的转换程序！带源码！

using System;
using System.Collections;
using System.Drawing;
using System.Windows.Forms;

namespace RichTextBoxSupportsXHTML
{
	/// <summary>
	/// Summary description for RtfFontTable.
	/// </summary>
	public class RtfFontTable
	{
		private int numberOfFonts = 0;
		private string fonttbl;
		private Hashtable loadedFonts = new Hashtable();

		public RtfFontTable()
		{
			//
			// TODO: Add constructor logic here
			//

			fonttbl = "{\\fonttbl{\\f0\\froman Times New Roman;}";
		}

		public int UseFont(string fontName)
		{
			if (loadedFonts.Contains(fontName))
			{
				return (int)loadedFonts[fontName];
			}
			else
			{
				fonttbl += "{\\f" + (++numberOfFonts) + "\\fnil " + fontName + ";}";
				loadedFonts.Add(fontName, numberOfFonts);
				return numberOfFonts;
			}
		}


		public override string ToString()
		{
			return fonttbl + "}";
		}

	}
}