mcs/class/Managed.Windows.Forms/System.Windows.Forms.RTF/Font.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Authors:
  23 //      Peter Bartok    (pbartok@novell.com)
  24 //
  25 //
  26
  27 // COMPLETE
  28
  29 namespace System.Windows.Forms.RTF {
  30
  31 #if RTF_LIB
  32         public
  33 #else
  34         internal
  35 #endif
  36         class Font {
  37                 #region Local Variables
  38                 private string          name;
  39                 private string          alt_name;
  40                 private int             num;
  41                 private int             family;
  42                 private CharsetType     charset;
  43                 private int             pitch;
  44                 private int             type;
  45                 private int             codepage;
  46                 private Font            next;
  47                 private RTF             rtf;
  48                 #endregion      // Local Variables
  49
  50                 #region Constructors
  51                 public Font(RTF rtf) {
  52                         this.rtf = rtf;
  53                         num = -1;
  54                         name = String.Empty;
  55
  56                         lock (rtf) {
  57                                 if (rtf.Fonts == null)
  58                                         rtf.Fonts = this;
  59                                 else {
  60                                         Font f = rtf.Fonts;
  61                                         while (f.next != null)
  62                                                 f = f.next;
  63                                         f.next = this;
  64                                 }
  65                         }
  66                 }
  67                 #endregion      // Constructors
  68
  69                 #region Properties
  70                 public string Name {
  71                         get {
  72                                 return name;
  73                         }
  74
  75                         set {
  76                                 name = value;
  77                         }
  78                 }
  79
  80                 public string AltName {
  81                         get {
  82                                 return alt_name;
  83                         }
  84
  85                         set {
  86                                 alt_name = value;
  87                         }
  88                 }
  89
  90                 public int Num {
  91                         get {
  92                                 return num;
  93                         }
  94
  95                         set {
  96                                 // Whack any previous font with the same number
  97                                 DeleteFont(rtf, value);
  98                                 num = value;
  99                         }
 100                 }
 101
 102                 public int Family {
 103                         get {
 104                                 return family;
 105                         }
 106
 107                         set {
 108                                 family = value;
 109                         }
 110                 }
 111
 112                 public CharsetType Charset {
 113                         get {
 114                                 return charset;
 115                         }
 116
 117                         set {
 118                                 charset = value;
 119                         }
 120                 }
 121
 122
 123                 public int Pitch {
 124                         get {
 125                                 return pitch;
 126                         }
 127
 128                         set {
 129                                 pitch = value;
 130                         }
 131                 }
 132
 133                 public int Type {
 134                         get {
 135                                 return type;
 136                         }
 137
 138                         set {
 139                                 type = value;
 140                         }
 141                 }
 142
 143                 public int Codepage {
 144                         get {
 145                                 return codepage;
 146                         }
 147
 148                         set {
 149                                 codepage = value;
 150                         }
 151                 }
 152                 #endregion      // Properties
 153
 154                 #region Methods
 155                 static public bool DeleteFont(RTF rtf, int font_number) {
 156                         Font    f;
 157                         Font    prev;
 158
 159                         lock (rtf) {
 160                                 f = rtf.Fonts;
 161                                 prev = null;
 162                                 while ((f != null) && (f.num != font_number)) {
 163                                         prev = f;
 164                                         f = f.next;
 165                                 }
 166
 167                                 if (f != null) {
 168                                         if (f == rtf.Fonts) {
 169                                                 rtf.Fonts = f.next;
 170                                         } else {
 171                                                 if (prev != null) {
 172                                                         prev.next = f.next;
 173                                                 } else {
 174                                                         rtf.Fonts = f.next;
 175                                                 }
 176                                         }
 177                                         return true;
 178                                 }
 179                         }
 180                         return false;
 181                 }
 182
 183                 static public Font GetFont(RTF rtf, int font_number) {
 184                         Font    f;
 185
 186                         lock (rtf) {
 187                                 f = GetFont(rtf.Fonts, font_number);
 188                         }
 189                         return f;
 190                 }
 191
 192                 static public Font GetFont(Font start, int font_number) {
 193                         Font    f;
 194
 195                         if (font_number == -1) {
 196                                 return start;
 197                         }
 198
 199                         f = start;
 200
 201                         while ((f != null) && (f.num != font_number)) {
 202                                 f = f.next;
 203                         }
 204                         return f;
 205                 }
 206                 #endregion      // Methods
 207         }
 208 }