2005-01-31 Zoltan Varga <vargaz@freemail.hu>
[mono.git] / mcs / class / System.Drawing / System.Drawing / Image.cs
index 53a1605a5d425186a344e640cf8a632f9b8d3a72..0bfe5c94215db1102aa933a9f7fc273a76e13048 100644 (file)
-//\r
-// System.Drawing.Image.cs\r
-//\r
-// (C) 2002 Ximian, Inc.  http://www.ximian.com\r
-// Author: Christian Meyer\r
-// eMail: Christian.Meyer@cs.tum.edu\r
-//\r
-// Many methods are still commented. I'll care about them when all necessary\r
-// classes are implemented.\r
-//\r
-namespace System.Drawing {\r
-\r
-using System;\r
-using System.Runtime.Remoting;\r
-using System.Runtime.Serialization;\r
-\r
-//[Serializable]\r
-//[ComVisible(true)]\r
-\r
-public abstract class Image : MarshalByRefObject, IDisposable /*, ICloneable, ISerializable */ {\r
-\r
-       // constructor\r
-       public Image () {}\r
-    \r
-       // public methods\r
-       // static\r
-       public static Image FromFile (string filename)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-       \r
-       public static Image FromFile (string filename, bool useEmbeddedColorManagement)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-       \r
-       public static Bitmap FromHbitmap (IntPtr hbitmap)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-\r
-       public static Bitmap FromHbitmap (IntPtr hbitmap, IntPtr hpalette)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-       \r
-//     public static int GetPixelFormatSize (PixelFormat pixfmt)\r
-//     {\r
-//             // Fixme: implement me\r
-//             throw new NotImplementedException ();\r
-//     }\r
-//\r
-//     public static bool IsAlphaPixelFormat (PixelFormat pixfmt)\r
-//     {\r
-//             // Fixme: implement me\r
-//             throw new NotImplementedException ();\r
-//     }\r
-//     \r
-//     public static bool IsCanonicalPixelFormat (PixelFormat pixfmt)\r
-//     {\r
-//             // Fixme: implement me\r
-//             throw new NotImplementedException ();\r
-//     }\r
-//     \r
-//     public static bool IsExtendedPixelFormat (PixelFormat pixfmt)\r
-//     {\r
-//             // Fixme: implement me\r
-//             throw new NotImplementedException ();\r
-//     }\r
-\r
-       // non-static\r
-       public RectangleF GetBounds (ref GraphicsUnit pageUnit)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-       \r
-       //public EncoderParameters GetEncoderParameterList(Guid encoder);\r
-       //public int GetFrameCount(FrameDimension dimension);\r
-       //public PropertyItem GetPropertyItem(int propid);\r
-       /*\r
-         public Image GetThumbnailImage(int thumbWidth, int thumbHeight,\r
-         Image.GetThumbnailImageAbort callback,\r
-         IntPtr callbackData);\r
-       */\r
-       \r
-       public void RemovePropertyItem (int propid)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-       \r
-       public void RotateFlip (RotateFlipType rotateFlipType)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-\r
-       public void Save (string filename)\r
-       {\r
-               // Fixme: implement me\r
-               throw new NotImplementedException ();\r
-       }\r
-\r
-       //public void Save(Stream stream, ImageFormat format);\r
-       //public void Save(string filename, ImageFormat format);\r
-       //public void Save(Stream stream, ImageCodecInfo encoder,\r
-       //                 EncoderParameters encoderParams);\r
-       //public void Save(string filename, ImageCodecInfo encoder,\r
-       //                 EncoderParameters encoderParams);\r
-       //public void SaveAdd(EncoderParameters_ encoderParams);\r
-       //public void SaveAdd(Image image, EncoderParameters_ encoderParams);\r
-       //public int SelectActiveFrame(FrameDimension dimension, int frameIndex);\r
-       //public void SetPropertyItem(PropertyItem propitem);\r
-\r
-       // destructor\r
-       ~Image() {}\r
-\r
-       // properties\r
-       public int Flags {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-       public Guid[] FrameDimensionsList {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-       public int Height {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-       public float HorizontalResolution {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-//     public ColorPalette Palette {\r
-//             get {\r
-//                     throw new NotImplementedException ();\r
-//             }\r
-//             set {\r
-//                     throw new NotImplementedException ();\r
-//             }\r
-//     }\r
-       \r
-       public SizeF PhysicalDimension {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-//     public PixelFormat PixelFormat {\r
-//             get {\r
-//                     throw new NotImplementedException ();\r
-//             }\r
-//     }\r
-       \r
-       public int[] PropertyIdList {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-       //public PropertyItem[] PropertyItems {get;}\r
-       //public ImageFormat RawFormat {get;}\r
-\r
-       public Size Size {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-       public float VerticalResolution {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       \r
-       public int Width {\r
-               get {\r
-                       throw new NotImplementedException ();\r
-               }\r
-       }\r
-       [MonoTODO]\r
-       public void Dispose ()\r
-       {\r
-               throw new NotImplementedException ();\r
-       }\r
-\r
-}\r
-\r
-}\r
+//
+// System.Drawing.Image.cs
+//
+// Copyright (C) 2002 Ximian, Inc.  http://www.ximian.com
+// Copyright (C) 2004 Novell, Inc.  http://www.novell.com
+//
+// Author:     Christian Meyer (Christian.Meyer@cs.tum.edu)
+//             Alexandre Pigolkine (pigolkine@gmx.de)
+//             Jordi Mas i Hernandez (jordi@ximian.com)
+//             Sanjay Gupta (gsanjay@novell.com)
+//             Ravindra (rkumar@novell.com)
+//
+
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Runtime.Remoting;
+using System.Runtime.Serialization;
+using System.Runtime.InteropServices;
+using System.ComponentModel;
+using System.Drawing.Imaging;
+using System.IO;
+
+namespace System.Drawing
+{
+[Serializable]
+[ComVisible (true)]
+[Editor ("System.Drawing.Design.ImageEditor, " + Consts.AssemblySystem_Drawing_Design, typeof (System.Drawing.Design.UITypeEditor))]
+[TypeConverter (typeof(ImageConverter))]
+[ImmutableObject (true)]
+public abstract class Image : MarshalByRefObject, IDisposable , ICloneable, ISerializable 
+{
+       public delegate bool GetThumbnailImageAbort();
+       
+       internal IntPtr nativeObject = IntPtr.Zero;     
+       ColorPalette colorPalette;
+       
+       
+       // constructor
+       internal  Image()
+       {               
+               colorPalette = new ColorPalette();
+       }
+       
+       private Image (SerializationInfo info, StreamingContext context)
+       {
+               foreach (SerializationEntry serEnum in info) {
+                       if (String.Compare(serEnum.Name, "Data", true) == 0) {
+                               byte[] bytes = (byte[]) serEnum.Value;
+
+                               if (bytes != null) {
+                                       InitFromStream(new MemoryStream(bytes));
+                               }
+                       }
+               }
+       }
+       
+       [MonoTODO]      
+       void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
+       {
+               throw new NotImplementedException();
+       }
+    
+       // public methods
+       // static
+       public static Image FromFile(string filename)
+       {
+               return new Bitmap (filename);
+       }
+       
+       public static Image FromFile(string filename, bool useEmbeddedColorManagement)
+       {
+               return new Bitmap (filename, useEmbeddedColorManagement);
+       }
+
+       [MonoTODO]      
+       public static Bitmap FromHbitmap(IntPtr hbitmap)
+       {               
+               throw new NotImplementedException ();
+       }
+
+       [MonoTODO]      
+       public static Bitmap FromHbitmap(IntPtr hbitmap, IntPtr hpalette)
+       {               
+               throw new NotImplementedException ();
+       }
+
+       public static Image FromStream (Stream stream)
+       {
+               return new Bitmap (stream);
+       }
+       
+       public static Image FromStream (Stream stream, bool useECM)
+       {
+               return new Bitmap (stream, useECM);
+       }
+
+       public static int GetPixelFormatSize(PixelFormat pixfmt)
+       {
+               int result = 0;
+               switch (pixfmt) {
+                       case PixelFormat.Format16bppArgb1555:
+                       case PixelFormat.Format16bppGrayScale:
+                       case PixelFormat.Format16bppRgb555:
+                       case PixelFormat.Format16bppRgb565:
+                               result = 16;
+                               break;
+                       case PixelFormat.Format1bppIndexed:
+                               result = 1;
+                               break;
+                       case PixelFormat.Format24bppRgb:
+                               result = 24;
+                               break;
+                       case PixelFormat.Format32bppArgb:
+                       case PixelFormat.Format32bppPArgb:
+                       case PixelFormat.Format32bppRgb:
+                               result = 32;
+                               break;
+                       case PixelFormat.Format48bppRgb:
+                               result = 48;
+                               break;
+                       case PixelFormat.Format4bppIndexed:
+                               result = 4;
+                               break;
+                       case PixelFormat.Format64bppArgb:
+                       case PixelFormat.Format64bppPArgb:
+                               result = 64;
+                               break;
+                       case PixelFormat.Format8bppIndexed:
+                               result = 8;
+                               break;
+               }
+               return result;
+       }
+
+       public static bool IsAlphaPixelFormat(PixelFormat pixfmt)
+       {
+               bool result = false;
+               switch (pixfmt) {
+                       case PixelFormat.Format16bppArgb1555:
+                       case PixelFormat.Format32bppArgb:
+                       case PixelFormat.Format32bppPArgb:
+                       case PixelFormat.Format64bppArgb:
+                       case PixelFormat.Format64bppPArgb:
+                               result = true;
+                               break;
+                       case PixelFormat.Format16bppGrayScale:
+                       case PixelFormat.Format16bppRgb555:
+                       case PixelFormat.Format16bppRgb565:
+                       case PixelFormat.Format1bppIndexed:
+                       case PixelFormat.Format24bppRgb:
+                       case PixelFormat.Format32bppRgb:
+                       case PixelFormat.Format48bppRgb:
+                       case PixelFormat.Format4bppIndexed:
+                       case PixelFormat.Format8bppIndexed:
+                               result = false;
+                               break;
+               }
+               return result;
+       }
+       
+       public static bool IsCanonicalPixelFormat (PixelFormat pixfmt)
+       {
+               return ((pixfmt & PixelFormat.Canonical) != 0);
+       }
+       
+       public static bool IsExtendedPixelFormat (PixelFormat pixfmt)
+       {
+               return ((pixfmt & PixelFormat.Extended) != 0);
+       }
+
+       internal void InitFromStream (Stream stream)
+       {
+               if (Environment.OSVersion.Platform == (PlatformID) 128) {
+                       // Unix, with libgdiplus
+                       // We use a custom API for this, because there's no easy way
+                       // to get the Stream down to libgdiplus.  So, we wrap the stream
+                       // with a set of delegates.
+                       GDIPlus.GdiPlusStreamHelper sh = new GDIPlus.GdiPlusStreamHelper (stream);
+                       IntPtr imagePtr;
+
+                       Status st = GDIPlus.GdipLoadImageFromDelegate_linux (sh.GetBytesDelegate, sh.PutBytesDelegate,
+                                                                       sh.SeekDelegate, sh.CloseDelegate, sh.SizeDelegate,
+                                                                                    out imagePtr);
+                       GDIPlus.CheckStatus (st);
+                       nativeObject = imagePtr;
+               } else {
+                       // this is MS-land
+                       // FIXME
+                       // We can't call the native gdip functions here, because they expect
+                       // a COM IStream interface.  So, a hack is to create a tmp file, read
+                       // the stream, and then load from the tmp file.
+                       // This is an ugly hack.
+                       throw new NotImplementedException ("Bitmap.InitFromStream (win32)");
+               }
+       }
+
+       // non-static   
+       public RectangleF GetBounds (ref GraphicsUnit pageUnit)
+       {       
+               RectangleF source;                      
+               
+               Status status = GDIPlus.GdipGetImageBounds (nativeObject, out source, ref pageUnit);
+               GDIPlus.CheckStatus (status);           
+               
+               return source;
+       }
+       
+       public EncoderParameters GetEncoderParameterList(Guid format)
+       {
+               Status status;
+               uint sz;
+
+               status = GDIPlus.GdipGetEncoderParameterListSize (nativeObject, ref format, out sz);
+               GDIPlus.CheckStatus (status);
+
+               IntPtr rawEPList = Marshal.AllocHGlobal ((int) sz);
+               EncoderParameters eps;
+
+               try {
+                       status = GDIPlus.GdipGetEncoderParameterList (nativeObject, ref format, sz, rawEPList);
+                       eps = EncoderParameters.FromNativePtr (rawEPList);
+                       GDIPlus.CheckStatus (status);
+               } catch {
+                       Marshal.FreeHGlobal (rawEPList);
+                       throw;
+               }
+
+               Marshal.FreeHGlobal (rawEPList);
+
+               return eps;
+       }
+       
+       public int GetFrameCount(FrameDimension dimension)
+       {
+               int count;
+               Guid guid = dimension.Guid;
+               Status status = GDIPlus.GdipImageGetFrameCount (nativeObject, ref guid, out  count); 
+
+               GDIPlus.CheckStatus (status);           
+               
+               return count;
+               
+       }
+       
+       public PropertyItem GetPropertyItem(int propid)
+       {
+               int propSize;
+               IntPtr property;
+               PropertyItem item = new PropertyItem ();
+               GdipPropertyItem gdipProperty = new GdipPropertyItem ();
+               Status status;
+                       
+               status = GDIPlus.GdipGetPropertyItemSize (nativeObject, propid, 
+                                                                       out propSize);
+               GDIPlus.CheckStatus (status);
+
+               /* Get PropertyItem */
+               property = Marshal.AllocHGlobal (propSize);
+               status = GDIPlus.GdipGetPropertyItem (nativeObject, propid, propSize,  
+                                                                               property);
+               GDIPlus.CheckStatus (status);
+               gdipProperty = (GdipPropertyItem) Marshal.PtrToStructure ((IntPtr)property, 
+                                                               typeof (GdipPropertyItem));                                             
+               GdipPropertyItem.MarshalTo (gdipProperty, item);                                                                
+               
+               Marshal.FreeHGlobal (property);
+               return item;
+       }
+       
+       public Image GetThumbnailImage(int thumbWidth, int thumbHeight, Image.GetThumbnailImageAbort callback, IntPtr callbackData)
+       {
+               Status          status;
+               Image           ThumbNail;
+               Graphics        g;
+
+               ThumbNail=new Bitmap(thumbWidth, thumbHeight);
+               g=Graphics.FromImage(ThumbNail);
+               
+               status = GDIPlus.GdipDrawImageRectRectI(g.nativeObject, nativeObject,
+                                       0, 0, thumbWidth, thumbHeight,
+                                       0, 0, this.Width, this.Height,
+                                       GraphicsUnit.Pixel, IntPtr.Zero, null, IntPtr.Zero);
+                GDIPlus.CheckStatus (status);
+               g.Dispose();
+
+               return(ThumbNail);
+       }
+       
+       
+       public void RemovePropertyItem (int propid)
+       {               
+               Status status = GDIPlus.GdipRemovePropertyItem (nativeObject, propid);
+               GDIPlus.CheckStatus (status);                                   
+       }       
+       
+       public void RotateFlip (RotateFlipType rotateFlipType)
+       {                       
+               Status status = GDIPlus.GdipImageRotateFlip (nativeObject, rotateFlipType);
+               GDIPlus.CheckStatus (status);                           
+       }
+
+       internal ImageCodecInfo findEncoderForFormat (ImageFormat format)
+       {
+               ImageCodecInfo[] encoders = ImageCodecInfo.GetImageEncoders();                  
+               ImageCodecInfo encoder = null;
+               
+               if (format.Guid.Equals (ImageFormat.MemoryBmp.Guid))
+                       format = ImageFormat.Bmp;
+       
+               /* Look for the right encoder for our format*/
+               for (int i = 0; i < encoders.Length; i++) {
+                       if (encoders[i].FormatID.Equals (format.Guid)) {
+                               encoder = encoders[i];
+                               break;
+                       }                       
+               }
+
+               return encoder;
+       }
+
+       public void Save (string filename)
+       {
+               Save (filename, RawFormat);
+       }
+
+       public void Save(string filename, ImageFormat format) 
+       {
+               ImageCodecInfo encoder = findEncoderForFormat (format);
+
+               if (encoder == null)
+                       throw new ArgumentException ("No codec available for format:" + format.Guid);
+
+               Save (filename, encoder, null);
+       }
+
+       public void Save(string filename, ImageCodecInfo encoder, EncoderParameters encoderParams)
+       {
+               Status st;
+               Guid guid = encoder.Clsid;
+
+               if (encoderParams == null) {
+                       st = GDIPlus.GdipSaveImageToFile (nativeObject, filename, ref guid, IntPtr.Zero);
+               } else {
+                       IntPtr nativeEncoderParams = encoderParams.ToNativePtr ();
+                       st = GDIPlus.GdipSaveImageToFile (nativeObject, filename, ref guid, nativeEncoderParams);
+                       Marshal.FreeHGlobal (nativeEncoderParams);
+               }
+
+               GDIPlus.CheckStatus (st);
+       }
+
+       public void Save (Stream stream, ImageFormat format)
+       {
+               ImageCodecInfo encoder = findEncoderForFormat (format);
+
+               if (encoder == null)
+                       throw new ArgumentException ("No codec available for format:" + format.Guid);
+
+               Save (stream, encoder, null);
+       }
+
+       public void Save(Stream stream, ImageCodecInfo encoder, EncoderParameters encoderParams)
+       {
+               Status st;
+               Guid guid = encoder.Clsid;
+
+               if (Environment.OSVersion.Platform == (PlatformID) 128) {
+                       GDIPlus.GdiPlusStreamHelper sh = new GDIPlus.GdiPlusStreamHelper (stream);
+                       if (encoderParams == null) {
+                               st = GDIPlus.GdipSaveImageToDelegate_linux (nativeObject, sh.GetBytesDelegate, sh.PutBytesDelegate,
+                                               sh.SeekDelegate, sh.CloseDelegate, sh.SizeDelegate, ref guid, IntPtr.Zero);
+                       } else {
+                               IntPtr nativeEncoderParams = encoderParams.ToNativePtr ();
+                               st = GDIPlus.GdipSaveImageToDelegate_linux (nativeObject, sh.GetBytesDelegate, sh.PutBytesDelegate,
+                                               sh.SeekDelegate, sh.CloseDelegate, sh.SizeDelegate, ref guid, nativeEncoderParams);
+                               Marshal.FreeHGlobal (nativeEncoderParams);
+                       }
+               } else {
+                       throw new NotImplementedException ("Image.Save(Stream) (win32)");
+               }
+               GDIPlus.CheckStatus (st);
+       }
+       
+       public void SaveAdd (EncoderParameters encoderParams)
+       {
+               Status st;
+               
+               IntPtr nativeEncoderParams = encoderParams.ToNativePtr ();
+               st = GDIPlus.GdipSaveAdd (nativeObject, nativeEncoderParams);
+               Marshal.FreeHGlobal (nativeEncoderParams);\r
+               GDIPlus.CheckStatus (st);
+       }
+               
+       public void SaveAdd (Image image, EncoderParameters encoderParams)
+       {
+               Status st;
+               
+               IntPtr nativeEncoderParams = encoderParams.ToNativePtr ();
+               st = GDIPlus.GdipSaveAddImage (nativeObject, image.NativeObject, nativeEncoderParams);
+               Marshal.FreeHGlobal (nativeEncoderParams);\r
+               GDIPlus.CheckStatus (st);
+       }
+               
+       public int SelectActiveFrame(FrameDimension dimension, int frameIndex)
+       {
+               Guid guid = dimension.Guid;             
+               Status st = GDIPlus.GdipImageSelectActiveFrame (nativeObject, ref guid, frameIndex);
+               
+               GDIPlus.CheckStatus (st);                       
+               
+               return frameIndex;              
+       }
+       
+       public void SetPropertyItem(PropertyItem propitem)
+       {
+               IntPtr property;
+               int size = Marshal.SizeOf (typeof(GdipPropertyItem));
+               property = Marshal.AllocHGlobal (size);
+
+               Marshal.StructureToPtr (propitem, property, true);
+               Status status = GDIPlus.GdipSetPropertyItem (nativeObject, property);
+               GDIPlus.CheckStatus (status);
+       }
+
+       // properties   
+       [Browsable (false)]
+       public int Flags {
+               get {
+                       int flags;
+                       
+                       Status status = GDIPlus.GdipGetImageFlags (nativeObject, out flags);                    
+                       GDIPlus.CheckStatus (status);                                           
+                       return flags;                   
+               }
+       }
+       
+       [Browsable (false)]
+       public Guid[] FrameDimensionsList {
+               get {
+                       uint found;
+                       Status status = GDIPlus.GdipImageGetFrameDimensionsCount (nativeObject, out found);
+                       GDIPlus.CheckStatus (status);
+                       Guid [] guid = new Guid [found];
+                       status = GDIPlus.GdipImageGetFrameDimensionsList (nativeObject, guid, found);
+                       GDIPlus.CheckStatus (status);  
+                       return guid;
+               }
+       }
+
+       [DefaultValue (false)]
+       [Browsable (false)]
+       [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+       public int Height {
+               get {
+                       int height;                     
+                       Status status = GDIPlus.GdipGetImageHeight (nativeObject, out height);          
+                       GDIPlus.CheckStatus (status);                   
+                       
+                       return height;
+               }
+       }
+       
+       public float HorizontalResolution {
+               get {
+                       float resolution;
+                       
+                       Status status = GDIPlus.GdipGetImageHorizontalResolution (nativeObject, out resolution);                        
+                       GDIPlus.CheckStatus (status);                   
+                       
+                       return resolution;
+               }
+       }
+       
+       [Browsable (false)]
+       public ColorPalette Palette {
+               get {                                                   
+                       
+                       return colorPalette;
+               }
+               set {
+                       colorPalette = value;                                   
+               }
+       }
+               
+       public SizeF PhysicalDimension {
+               get {
+                       float width,  height;
+                       Status status = GDIPlus.GdipGetImageDimension (nativeObject, out width, out height);            
+                       GDIPlus.CheckStatus (status);                   
+                       
+                       return new SizeF (width, height);
+               }
+       }
+       
+       public PixelFormat PixelFormat {
+               get {                   
+                       PixelFormat pixFormat;                          
+                       Status status = GDIPlus.GdipGetImagePixelFormat (nativeObject, out pixFormat);          
+                       GDIPlus.CheckStatus (status);                   
+                       
+                       return pixFormat;
+               }               
+       }
+       
+       [Browsable (false)]
+       public int[] PropertyIdList {
+               get {
+                       uint propNumbers;
+                       
+                       Status status = GDIPlus.GdipGetPropertyCount (nativeObject, 
+                                                                       out propNumbers);                       
+                       GDIPlus.CheckStatus (status);
+                       
+                       int [] idList = new int [propNumbers];
+                       status = GDIPlus.GdipGetPropertyIdList (nativeObject, 
+                                                               propNumbers, idList);
+                       GDIPlus.CheckStatus (status);
+                       
+                       return idList;
+               }
+       }
+       
+       [Browsable (false)]
+       public PropertyItem[] PropertyItems {
+               get {
+                       int propNums, propsSize, propSize;
+                       IntPtr properties, propPtr;
+                       PropertyItem[] items;
+                       GdipPropertyItem gdipProperty = new GdipPropertyItem ();
+                       Status status;
+                       
+                       status = GDIPlus.GdipGetPropertySize (nativeObject, out propsSize, out propNums);
+                       GDIPlus.CheckStatus (status);
+
+                       items =  new PropertyItem [propNums];
+                       
+                       if (propNums == 0)
+                               return items;                   
+                                       
+                       /* Get PropertyItem list*/
+                       properties = Marshal.AllocHGlobal (propsSize);
+                       status = GDIPlus.GdipGetAllPropertyItems (nativeObject, propsSize, 
+                                                               propNums, properties);
+                       GDIPlus.CheckStatus (status);
+
+                       propSize = Marshal.SizeOf (gdipProperty);                       
+                       propPtr = properties;
+                       
+                       for (int i = 0; i < propNums; i++, propPtr = new IntPtr (propPtr.ToInt64 () + propSize))
+                       {
+                               gdipProperty = (GdipPropertyItem) Marshal.PtrToStructure 
+                                               (propPtr, typeof (GdipPropertyItem));                                           
+                               items [i] = new PropertyItem ();
+                               GdipPropertyItem.MarshalTo (gdipProperty, items [i]);                                                           
+                       }
+                       
+                       Marshal.FreeHGlobal (properties);
+                       return items;
+               }
+       }
+
+       public ImageFormat RawFormat {
+               get {
+                       Guid guid;
+                       Status st = GDIPlus.GdipGetImageRawFormat (nativeObject, out guid);
+                       
+                       GDIPlus.CheckStatus (st);
+                       return new ImageFormat (guid);                  
+               }
+       }
+       
+       public Size Size {
+               get {
+                       return new Size(Width, Height);
+               }
+       }
+       
+       public float VerticalResolution {
+               get {
+                       float resolution;
+                       
+                       Status status = GDIPlus.GdipGetImageVerticalResolution (nativeObject, out resolution);
+                       GDIPlus.CheckStatus (status);
+
+                       return resolution;
+               }
+       }
+
+       [DefaultValue (false)]
+       [Browsable (false)]
+       [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+       public int Width {
+               get {
+                       int width;                      
+                       Status status = GDIPlus.GdipGetImageWidth (nativeObject, out width);            
+                       GDIPlus.CheckStatus (status);                   
+                       
+                       return width;
+               }
+       }
+       
+       internal IntPtr NativeObject{
+               get{
+                       return nativeObject;
+               }
+               set     {
+                       nativeObject = value;
+               }
+       }
+       
+       public void Dispose ()
+       {
+               Dispose (true);
+               System.GC.SuppressFinalize (this);
+       }
+
+       ~Image ()
+       {
+               Dispose (false);
+       }
+
+       private void DisposeResources ()
+       {
+               lock (this)
+               {
+                       Status status = GDIPlus.GdipDisposeImage (nativeObject);
+                       GDIPlus.CheckStatus (status);
+               }
+       }
+       
+       protected virtual void Dispose (bool disposing)
+       {
+               if (nativeObject != IntPtr.Zero){
+                       DisposeResources ();
+                       nativeObject = IntPtr.Zero;
+               }
+       }
+       
+       public virtual object Clone()
+       {                               
+               lock (this)
+               {
+                       IntPtr newimage = IntPtr.Zero;
+                       
+                       if (!(this is Bitmap)) 
+                               throw new NotImplementedException (); 
+                       
+                       Status status = GDIPlus.GdipCloneImage (NativeObject, out newimage);                    
+                       GDIPlus.CheckStatus (status);                   
+
+                       if (this is Bitmap){
+                               Bitmap b = new Bitmap (newimage);
+
+                               if (colorPalette != null)
+                                       b.colorPalette = colorPalette.Clone ();
+
+                               return b;
+                       }
+                       
+                       throw new NotImplementedException (); 
+               }
+       }
+
+}
+
+}