2 // System.Drawing.FontFamily.cs
4 // (C) 2005 Mainsoft Corporation (http://www.mainsoft.com)
5 // Author: Konstantin Triger (kostat@mainsoft.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Drawing.Text;
32 using System.Runtime.InteropServices;
33 using System.Globalization;
35 using geom = java.awt.geom;
36 using font = java.awt.font;
37 using TextAttribute = java.awt.font.TextAttribute;
39 namespace System.Drawing {
41 public sealed class FontFamily : MarshalByRefObject, IDisposable {
43 static readonly FontFamily _genericMonospace;
44 static readonly FontFamily _genericSansSerif;
45 static readonly FontFamily _genericSerif;
46 static readonly FontCollection _installedFonts;
47 static readonly awt.Container _container = new awt.Container();
50 _installedFonts = new InstalledFontCollection();
51 _genericMonospace = new FontFamily("Monospaced");
52 _genericSansSerif = new FontFamily("SansSerif");
53 _genericSerif = new FontFamily("Serif");
56 private readonly string _name;
57 private readonly FontCollection _fontCollection;
59 private awt.FontMetrics _fontMetrics = null;
60 private FontStyle _lastStyle = FontStyle.Regular;
61 private awt.Font _font;
63 // this is unavailable through Java API, usually 2048 for TT fonts
64 const int UnitsPerEm = 2048;
65 // the margin for text drawing
66 const int DrawMargin = 571;
70 // dummy ctors to work around convertor problems
71 internal FontFamily() {}
72 internal FontFamily(IntPtr family) {}
74 public FontFamily(string familyName) : this(familyName, null) {
77 public FontFamily(string name, FontCollection fontCollection) {
78 if (fontCollection == null)
79 _fontCollection = _installedFonts;
81 _fontCollection = fontCollection;
83 if ( !_fontCollection.Contains(name) )
84 _name = _genericSansSerif._name;
89 public FontFamily(GenericFontFamilies genericFamily) {
90 switch(genericFamily) {
91 case GenericFontFamilies.SansSerif:
92 _name = _genericSansSerif._name;
94 case GenericFontFamilies.Serif:
95 _name = _genericSerif._name;
98 _name = _genericMonospace._name;
111 internal int GetDrawMargin(FontStyle style) {
115 awt.FontMetrics GetMetrics(FontStyle style) {
116 if ((_lastStyle != style) || (_fontMetrics == null)) {
117 java.util.Map attrib = Font.DeriveStyle( FamilyFont.getAttributes(), style, true);
118 attrib.put(TextAttribute.SIZE, new java.lang.Float((float)(UnitsPerEm<<1)));
119 _fontMetrics = _container.getFontMetrics( FamilyFont.deriveFont( attrib ) );
124 public int GetCellAscent(FontStyle style) {
125 return GetMetrics(style).getMaxAscent()>>1;
128 public int GetCellDescent(FontStyle style) {
129 return GetMetrics(style).getMaxDecent()>>1;
132 public int GetEmHeight(FontStyle style) {
136 public int GetLineSpacing(FontStyle style) {
137 return GetMetrics(style).getHeight()>>1;
140 public string GetName(int language) {
141 CultureInfo culture = new CultureInfo(language, false);
142 java.util.Locale locale = vmw.@internal.EnvironmentUtils.getLocaleFromCultureInfo( culture );
144 return FamilyFont.getFamily( locale );
147 public bool IsStyleAvailable(FontStyle style) {
148 //unable to get this infromation from java
152 #region static members
154 public static FontFamily[] Families {
156 return _installedFonts.Families;
160 public static FontFamily GenericMonospace {
162 return (FontFamily)_genericMonospace.MemberwiseClone();
166 public static FontFamily GenericSansSerif {
168 return (FontFamily)_genericSansSerif.MemberwiseClone();
172 public static FontFamily GenericSerif {
174 return (FontFamily)_genericSerif.MemberwiseClone();
178 public static FontFamily[] GetFamilies(Graphics graphics) {
179 if (graphics == null) {
180 throw new ArgumentNullException("graphics");
182 return _installedFonts.Families;
187 #region Object members
189 public override bool Equals(object obj) {
193 if (!(obj is FontFamily))
196 return string.Compare(Name, ((FontFamily)obj).Name, true) == 0;
199 public override int GetHashCode() {
200 return Name.ToLower().GetHashCode();
203 public override string ToString() {
204 return string.Format("[{0}: Name={1}]", GetType().Name, Name);
209 #region IDisposable Members
211 public void Dispose() {
212 // TODO: Add FontFamily.Dispose implementation
217 internal awt.Font FamilyFont {
220 _font = _fontCollection.GetInitialFont( _name );