mcs/class/System.Drawing/System.Drawing/Icon.jvm.cs

   1 //
   2 // System.Drawing.Icon.cs
   3 //
   4 // Authors:
   5 //   Andrew Skiba (andrews@mainsoft.com)
   6 //   Dennis Hayes (dennish@Raytek.com)
   7 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   8 //   Sanjay Gupta (gsanjay@novell.com)
   9 //
  10 // Copyright (C) 2005 Mainsoft, Corp. http://mainsoft.com
  11 // Copyright (C) 2002 Ximian, Inc. http://www.ximian.com
  12 // Copyright (C) 2004 Novell, Inc. http://www.novell.com
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 using System;
  35 using System.IO;
  36 using System.Drawing.Imaging;
  37 using System.Runtime.Serialization;
  38 using System.Runtime.InteropServices;
  39 using System.ComponentModel;
  40
  41 namespace System.Drawing
  42 {
  43         [Serializable]
  44         [ComVisible (false)]
  45         [TypeConverter(typeof(IconConverter))]
  46         public sealed class Icon
  47                 : MarshalByRefObject, ISerializable, ICloneable, IDisposable
  48         {
  49                 private System.Drawing.Bitmap _bitmap;
  50
  51                 #region Ctors
  52                 private void SelectSize (int width, int height) {
  53                         int count = _bitmap.GetFrameCount (FrameDimension.Resolution);
  54                         bool sizeObtained = false;
  55                         for (int i=0; i<count; i++){
  56                                 _bitmap.SelectActiveFrame (
  57                                         System.Drawing.Imaging.FrameDimension.Resolution, i);
  58                                 if (!sizeObtained)
  59                                         if (_bitmap.Height==height && _bitmap.Width==width) {
  60                                                 sizeObtained = true;
  61                                                 break;
  62                                         }
  63                         }
  64
  65                         if (!sizeObtained){
  66                                 uint largestSize = 0;
  67                                 Bitmap tmpBmp = _bitmap;
  68                                 for (int j=0; j<count; j++){
  69                                         tmpBmp.SelectActiveFrame (FrameDimension.Resolution, j);
  70                                         uint thisSize = (uint)_bitmap.Height * (uint)_bitmap.Width;
  71                                         if (thisSize >= largestSize){
  72                                                 largestSize = thisSize;
  73                                                 _bitmap = tmpBmp;
  74                                         }
  75                                 }
  76                         }
  77                 }
  78
  79                 private Icon () {
  80                 }
  81
  82                 internal Icon (Bitmap bitmap) {
  83                         _bitmap = bitmap;
  84                 }
  85
  86                 public Icon (Icon original, int width, int height) {
  87                         _bitmap = original._bitmap;
  88                         SelectSize (width, height);
  89                 }
  90
  91                 public Icon (Icon original, Size size)
  92                         :this (original, size.Width, size.Height) {
  93                 }
  94
  95                 public Icon (Stream stream)
  96                         : this (stream, 32, 32) {
  97                 }
  98
  99                 public Icon (Stream stream, int width, int height)
 100                 {
 101                         _bitmap = new Bitmap (stream, false, ImageFormat.Icon);
 102                         SelectSize (width, height);
 103                 }
 104
 105                 public Icon (string fileName) {
 106                         _bitmap = new Bitmap (fileName, false, ImageFormat.Icon);
 107                 }
 108
 109                 public Icon (Type type, string resource)
 110                 {
 111                         using (Stream s = type.Assembly.GetManifestResourceStream (resource)) {
 112                                 if (s == null)
 113                                         throw new FileNotFoundException ("Resource name was not found: `" + resource + "'");
 114                                 _bitmap = new Bitmap (s, false, ImageFormat.Icon);
 115                         }
 116                 }
 117
 118                 [MonoTODO]
 119                 private Icon (SerializationInfo info, StreamingContext context)
 120                 {
 121                         //FIXME, need to check how MS stores Icon structure
 122                         //Will serialized form help
 123                         throw new NotImplementedException ();
 124                 }
 125                 #endregion
 126
 127                 [MonoTODO]
 128                 void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
 129                 {
 130                         throw new NotImplementedException ();
 131                 }
 132
 133                 public void Dispose ()
 134                 {
 135 #if INTPTR_SUPPORT
 136                         if (winHandle!=IntPtr.Zero)
 137                                 winHandle = IntPtr.Zero;
 138 #endif
 139                 }
 140
 141                 public object Clone ()
 142                 {
 143                         Icon newIcon = new Icon ();
 144                         newIcon._bitmap = (Bitmap)_bitmap.Clone ();
 145                         return newIcon;
 146                 }
 147
 148 #if INTPTR_SUPPORT
 149                 [MonoTODO]
 150                 public static Icon FromHandle (IntPtr handle)
 151                 {
 152                         throw new NotImplementedException ();
 153                 }
 154 #endif
 155                 public void Save (Stream outputStream)  {
 156                         _bitmap.Save (outputStream, System.Drawing.Imaging.ImageFormat.Icon);
 157                 }
 158
 159                 public Bitmap ToBitmap () {
 160                         return _bitmap;
 161                 }
 162
 163                 public override string ToString ()
 164                 {
 165                         //is this correct, this is what returned by .Net
 166                         return "<Icon>";
 167                 }
 168
 169 #if INTPTR_SUPPORT
 170                 [Browsable (false)]
 171                 public IntPtr Handle {
 172                         get {
 173                                 return winHandle;
 174                         }
 175                 }
 176 #endif
 177
 178                 [Browsable (false)]
 179                 public int Height {
 180                         get {
 181                                 return _bitmap.Height;
 182                         }
 183                 }
 184
 185                 public Size Size {
 186                         get {
 187                                 return _bitmap.Size;
 188                         }
 189                 }
 190
 191                 [Browsable (false)]
 192                 public int Width {
 193                         get {
 194                                 return _bitmap.Width;
 195                         }
 196                 }
 197         }
 198 }