Replaced direct winforms ref by using an intermediary

Author: husaft

Source/RtfDomParser.WinFormsDemo/Program.cs

@@ -12,6 +12,8 @@ static class Program
         [STAThread]
         static void Main()
         {
+            Defaults.FontName = System.Windows.Forms.Control.DefaultFont.Name;
+
             Application.EnableVisualStyles();
             Application.SetCompatibleTextRenderingDefault(false);
             Application.Run(new frmRTFTest());

Source/RtfDomParser/ByteBuffer.cs

@@ -8,7 +8,6 @@
  */
 
 using System;
-using System.Windows.Forms;
 
 namespace RtfDomParser
 {

Source/RtfDomParser/Defaults.cs

@@ -0,0 +1,14 @@
+using System.Text;
+
+namespace RtfDomParser
+{
+    public static class Defaults
+    {
+        public static string FontName { get; set; } = "Times New Roman";
+
+        public static void LoadEncodings()
+        {
+            Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+        }
+    }
+}

Source/RtfDomParser/DocumentFormatInfo.cs

@@ -403,7 +403,7 @@ public System.Drawing.Font Font
             }
         }
 
-        private string strFontName = System.Windows.Forms.Control.DefaultFont.Name;
+        private string strFontName = Defaults.FontName;
         /// <summary>
         /// font name
         /// </summary>
@@ -801,7 +801,7 @@ public DocumentFormatInfo Clone()
 
         public void ResetText()
         {
-            this.FontName = System.Windows.Forms.Control.DefaultFont.Name;
+            this.FontName = Defaults.FontName;
             this.FontSize = 12;
             this.Bold = false;
             this.Italic = false;
@@ -861,7 +861,7 @@ public void Reset()
             this.SpacingBefore = 0;
             this.SpacingAfter = 0;
             this.Align = 0;
-            this.FontName = System.Windows.Forms.Control.DefaultFont.Name;
+            this.FontName = Defaults.FontName;
             this.FontSize = 12;
             this.Bold = false;
             this.Italic = false;
@@ -1145,7 +1145,7 @@ public void Reset()
 //            }
 //        }
 
-//        private string strFontName = System.Windows.Forms.Control.DefaultFont.Name;
+//        private string strFontName = Defaults.FontName;
 //        /// <summary>
 //        /// font name
 //        /// </summary>
@@ -1522,7 +1522,7 @@ public void Reset()
 
 //        public void ResetText()
 //        {
-//            this.FontName = System.Windows.Forms.Control.DefaultFont.Name;
+//            this.FontName = Defaults.FontName;
 //            this.FontSize = 12;
 //            this.Bold = false;
 //            this.Italic = false;
@@ -1562,7 +1562,7 @@ public void Reset()
 //            this.Spacing = 0;
 //            this.LineSpacing = 0;
 //            this.Align = 0;
-//            this.FontName = System.Windows.Forms.Control.DefaultFont.Name;
+//            this.FontName = Defaults.FontName;
 //            this.FontSize = 12;
 //            this.Bold = false;
 //            this.Italic = false;

Source/RtfDomParser/RTFDocumentWriter.cs

@@ -255,7 +255,7 @@ public void WriteStartDocument()
 				myInfo.Clear();
 				myFontTable.Clear();
 				myColorTable.Clear();
-				myFontTable.Add( System.Windows.Forms.Control.DefaultFont.Name );
+				myFontTable.Add( Defaults.FontName );
 			}
 			else
 			{

Source/RtfDomParser/RTFDomDocument.cs

@@ -98,7 +98,7 @@ internal System.Text.Encoding RuntimeEncoding
         /// <summary>
         /// default font name
         /// </summary>
-        private static string DefaultFontName = System.Windows.Forms.Control.DefaultFont.Name;
+        private static string DefaultFontName = Defaults.FontName;
 
 
         private RTFFontTable myFontTable = new RTFFontTable();
@@ -3440,7 +3440,7 @@ private void ReadFontTable(RTFReader reader)
                         }
                         else if (reader.Keyword == "fnil")
                         {
-                            name = System.Windows.Forms.Control.DefaultFont.Name;
+                            name = Defaults.FontName;
                             nilFlag = true;
                         }
                         else if (reader.Keyword == RTFConsts._fcharset)
@@ -3478,7 +3478,7 @@ private void ReadFontTable(RTFReader reader)
                         name = name.Trim();
                         if (string.IsNullOrEmpty(name))
                         {
-                            name = System.Windows.Forms.Control.DefaultFont.Name;
+                            name = Defaults.FontName;
                         }
                         //System.Console.WriteLine( "Index:" + index + "  Name:" + name );
                         RTFFont font = new RTFFont(index, name);