2007-02-28 Sebastien Pouliot <sebastien@ximian.com>
[mono.git] / mcs / class / System.Drawing / System.Drawing / gdipFunctions.cs
index 5307a962ae7499ed9646e200569d529a83ad2f47..e58b6cc4a332904ce27cac67bd60de0d246fe0f7 100644 (file)
@@ -7,8 +7,9 @@
 //     Sanjay Gupta (gsanjay@novell.com)
 //     Ravindra (rkumar@novell.com)
 //     Peter Dennis Bartok (pbartok@novell.com)
+//     Sebastien Pouliot  <sebastien@ximian.com>
 //
-// Copyright (C) 2004 - 2006 Novell, Inc (http://www.novell.com)
+// Copyright (C) 2004 - 2007 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
@@ -67,7 +68,7 @@ namespace System.Drawing
                [DllImport("gdiplus.dll")]
                static internal extern void GdiplusShutdown(ref ulong token);
                
-               static ulong GdiPlusToken;
+               internal static ulong GdiPlusToken = 0;
 
                static void ProcessExit (object sender, EventArgs e)
                {               
@@ -75,6 +76,8 @@ namespace System.Drawing
                        // shutting down
                        GC.Collect ();  
                        GC.WaitForPendingFinalizers ();
+                       
+                       GdiPlusToken = 0;
 
                        // This causes crashes in MS GDI+ because this call occurs before
                        // all managed GDI objects are finalized. When they are finalized they call
@@ -100,9 +103,28 @@ namespace System.Drawing
 
                        GdiplusStartupInput input = GdiplusStartupInput.MakeGdiplusStartupInput();
                        GdiplusStartupOutput output = GdiplusStartupOutput.MakeGdiplusStartupOutput();
-                       GdiplusStartup (ref GdiPlusToken, ref input, ref output);
+                       try {
+                               GdiplusStartup (ref GdiPlusToken, ref input, ref output);
+                       }
+                       catch (TypeInitializationException) {
+                               Console.Error.WriteLine (
+                                       "* ERROR: Can not initialize GDI+ library\n" +
+                                       "\n" +
+                                       "Please check http://www.mono-project.com/Problem:GDIPlusInit for details");
+                       }
+                       
                        AppDomain.CurrentDomain.ProcessExit += new EventHandler (ProcessExit);
                }
+
+               static public bool RunningOnWindows ()
+               {
+                       return !UseX11Drawable;
+               }
+
+               static public bool RunningOnUnix ()
+               {
+                       return UseX11Drawable;
+               }
                
                // Copies a Ptr to an array of Points and releases the memory
                static public void FromUnManagedMemoryToPointI(IntPtr prt, Point [] pts)
@@ -204,6 +226,12 @@ namespace System.Drawing
                                case Status.WrongState:
                                        throw new ArgumentException ("Properties not set properly.");
 
+                               case Status.FontFamilyNotFound:
+                                       throw new ArgumentException ("FontFamily wasn't found.");
+
+                               case Status.ValueOverflow:
+                                       throw new OverflowException ("Argument out of range.");
+
                                default:
                                        throw new Exception ("Unknown Error.");
                        }
@@ -324,7 +352,13 @@ namespace System.Drawing
                
                [DllImport("gdiplus.dll")]
                static internal extern Status GdipFillRegion(IntPtr graphics, IntPtr brush, IntPtr region);
-               
+
+               [DllImport("gdiplus.dll")]
+               static internal extern Status GdipGetRegionHRgn (IntPtr region, IntPtr graphics, ref IntPtr hRgn);
+
+               [DllImport("gdiplus.dll")]
+               static internal extern Status GdipCreateRegionHrgn (IntPtr hRgn, out IntPtr region);
+
                // Solid brush functions
                [DllImport("gdiplus.dll")]
                static internal extern Status GdipCreateSolidFill (int color, out IntPtr brush);
@@ -630,7 +664,7 @@ namespace System.Drawing
                [DllImport("gdiplus.dll")]      
                internal static extern Status GdipResetClip(IntPtr graphics);           
                [DllImport("gdiplus.dll")]      
-               internal static extern Status GdipEndContainer(IntPtr graphics, int state);
+               internal static extern Status GdipEndContainer(IntPtr graphics, uint state);
                [DllImport("gdiplus.dll")]      
                internal static extern Status GdipGetClip (IntPtr graphics, IntPtr region);
 
@@ -740,10 +774,10 @@ namespace System.Drawing
                [DllImport("gdiplus.dll")]                   
                internal static extern Status GdipFlush(IntPtr graphics, FlushIntention intention);
 
-               [DllImport("gdiplus.dll")]
-               internal static extern Status GdipAddString (IntPtr graphics, string s, int len, IntPtr font, int style, float size, ref RectangleF layout, IntPtr format);
-               [DllImport("gdiplus.dll")]
-               internal static extern Status GdipAddStringI (IntPtr graphics, string s, int len, IntPtr font, int style, float size, ref Rectangle layout, IntPtr format);
+               [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
+               internal static extern Status GdipAddPathString (IntPtr path, string s, int lenght, IntPtr family, int style, float emSize, ref RectangleF layoutRect, IntPtr format);
+               [DllImport("gdiplus.dll", CharSet=CharSet.Unicode)]
+               internal static extern Status GdipAddPathStringI (IntPtr path, string s, int lenght, IntPtr family, int style, float emSize, ref Rectangle layoutRect, IntPtr format);
 
                                
                // Pen functions
@@ -932,14 +966,15 @@ namespace System.Drawing
                // Image functions
                [DllImport("gdiplus.dll", CharSet=CharSet.Auto)]
                internal static extern Status GdipLoadImageFromFile ( [MarshalAs(UnmanagedType.LPWStr)] string filename, out IntPtr image );
-               
+
+#if !TEST
                // Stream functions for Win32 (original Win32 ones)
                [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
                internal static extern Status GdipLoadImageFromStream([MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, out IntPtr image);
                
                [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
                internal static extern Status GdipSaveImageToStream(HandleRef image, [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, [In()] ref Guid clsidEncoder, HandleRef encoderParams);
-               
+#endif                 
                                
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipCloneImage(IntPtr image, out IntPtr imageclone);
@@ -956,6 +991,9 @@ namespace System.Drawing
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipGetImageFlags(IntPtr image, out int flag);
 
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipGetImageType (IntPtr image, out ImageType type);
+
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipImageGetFrameDimensionsCount ( IntPtr image, out uint count );
                                                                                                   
@@ -963,7 +1001,7 @@ namespace System.Drawing
                internal static extern Status GdipImageGetFrameDimensionsList ( IntPtr image, [Out] Guid [] dimensionIDs, uint count );
  
                [DllImport("gdiplus.dll")]
-               internal static extern Status GdipGetImageHeight (IntPtr image, out int height);
+               internal static extern Status GdipGetImageHeight (IntPtr image, out uint height);
                                                                                                   
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipGetImageHorizontalResolution ( IntPtr image, out float resolution );
@@ -1002,7 +1040,7 @@ namespace System.Drawing
                internal static extern Status GdipGetImageVerticalResolution ( IntPtr image, out float resolution );
                
                [DllImport("gdiplus.dll")]
-               internal static extern Status GdipGetImageWidth ( IntPtr image, out int width);
+               internal static extern Status GdipGetImageWidth (IntPtr image, out uint width);
                
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipGetImageBounds ( IntPtr image, out RectangleF source, ref GraphicsUnit unit );
@@ -1014,7 +1052,7 @@ namespace System.Drawing
                internal static extern Status GdipGetEncoderParameterList ( IntPtr image, ref Guid encoder, uint size, IntPtr buffer );
                
                [DllImport("gdiplus.dll")]
-               internal static extern Status GdipImageGetFrameCount (IntPtr image, ref Guid guidDimension, out int count );
+               internal static extern Status GdipImageGetFrameCount (IntPtr image, ref Guid guidDimension, out uint count );
                
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipImageSelectActiveFrame (IntPtr image, ref Guid guidDimension, int frameIndex);
@@ -1052,16 +1090,13 @@ namespace System.Drawing
                internal static extern Status GdipGetImageGraphicsContext (IntPtr image, out IntPtr graphics);          
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipDrawImage (IntPtr graphics, IntPtr image, float x, float y);
-               [DllImport("gdiplus.dll")]      
-               internal static extern Status GdipBeginContainer (IntPtr graphics,  RectangleF dstrect,
-                   RectangleF srcrect, GraphicsUnit unit, out int  state);
-
-               [DllImport("gdiplus.dll")]      
-               internal static extern Status GdipBeginContainerI (IntPtr graphics, Rectangle dstrect,
-                    Rectangle srcrect, GraphicsUnit unit, out int state);
 
-               [DllImport("gdiplus.dll")]      
-               internal static extern Status GdipBeginContainer2 (IntPtr graphics, out int state); 
+               [DllImport("gdiplus.dll")]
+               internal static extern Status GdipBeginContainer (IntPtr graphics, ref RectangleF dstrect, ref RectangleF srcrect, GraphicsUnit unit, out uint state);
+               [DllImport("gdiplus.dll")]
+               internal static extern Status GdipBeginContainerI (IntPtr graphics, ref Rectangle dstrect, ref Rectangle srcrect, GraphicsUnit unit, out uint state);
+               [DllImport("gdiplus.dll")]
+               internal static extern Status GdipBeginContainer2 (IntPtr graphics, out uint state); 
                
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipDrawImagePoints (IntPtr graphics, IntPtr image, PointF [] destPoints, int count);
@@ -1214,6 +1249,10 @@ namespace System.Drawing
                 internal static extern Status GdipGetPathLastPoint (IntPtr path, out PointF lastPoint);
                 [DllImport ("gdiplus.dll")]                                                
                 internal static extern Status GdipAddPathLine (IntPtr path, float x1, float y1, float x2, float y2);
+                [DllImport ("gdiplus.dll")]
+                internal static extern Status GdipAddPathLine2 (IntPtr path, PointF[] points, int count);
+                [DllImport ("gdiplus.dll")]
+                internal static extern Status GdipAddPathLine2I (IntPtr path, Point[] points, int count);
                 [DllImport ("gdiplus.dll")]                                                
                 internal static extern Status GdipAddPathArc (IntPtr path, float x, float y, float width, float height, float startAngle, float sweepAngle);
                 [DllImport ("gdiplus.dll")]                                                                
@@ -1292,9 +1331,9 @@ namespace System.Drawing
                 [DllImport ("gdiplus.dll")]                
                 internal static extern Status GdipIsVisiblePathPointI (IntPtr path, int x, int y, IntPtr graphics, out bool result); 
                 [DllImport ("gdiplus.dll")]                
-                internal static extern Status GdipIsOutlineVisiblePathPoint (IntPtr path, float x, float y, IntPtr graphics, out bool result);
+                internal static extern Status GdipIsOutlineVisiblePathPoint (IntPtr path, float x, float y, IntPtr pen, IntPtr graphics, out bool result);
                 [DllImport ("gdiplus.dll")]                
-                internal static extern Status GdipIsOutlineVisiblePathPointI (IntPtr path, int x, int y, IntPtr graphics, out bool result); 
+                internal static extern Status GdipIsOutlineVisiblePathPointI (IntPtr path, int x, int y, IntPtr pen, IntPtr graphics, out bool result); 
 
                // GraphicsPathIterator
                [DllImport("gdiplus.dll")]
@@ -1337,8 +1376,8 @@ namespace System.Drawing
                                
                 [DllImport ("gdiplus.dll")]     
                 internal static extern Status GdipSetImageAttributesColorMatrix (IntPtr imageattr,
-                                ColorAdjustType type, bool enableFlag, ColorMatrix colorMatrix,
-                                ColorMatrix grayMatrix,  ColorMatrixFlag flags);                                
+                                ColorAdjustType type, bool enableFlag, IntPtr colorMatrix,
+                                IntPtr grayMatrix,  ColorMatrixFlag flags);                                
 
                [DllImport ("gdiplus.dll")]     
                internal static extern Status GdipSetImageAttributesGamma (IntPtr imageattr, 
@@ -1403,12 +1442,17 @@ namespace System.Drawing
                [DllImport("user32.dll", EntryPoint="GetDC", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
                internal static extern IntPtr GetDC(IntPtr hwnd);       
                [DllImport("user32.dll", EntryPoint="ReleaseDC", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
-               internal static extern int ReleaseDC(IntPtr hdc);
+               internal static extern int ReleaseDC (IntPtr hWnd, IntPtr hDC);
                [DllImport("gdi32.dll", EntryPoint="SelectObject", CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Ansi)]
                internal static extern IntPtr SelectObject(IntPtr hdc, IntPtr obj);     
                [DllImport("user32.dll", SetLastError=true)]
                internal static extern bool GetIconInfo (IntPtr hIcon, out IconInfo iconinfo);
+               [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall, SetLastError=true)]
+               internal static extern IntPtr CreateIconIndirect ([In] ref IconInfo piconinfo);
+               [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall, SetLastError=true)]
+               internal static extern bool DestroyIcon (IntPtr hIcon);
+               [DllImport("gdi32.dll")]
+               internal static extern bool DeleteObject (IntPtr hObject);
                [DllImport("user32.dll")]
                internal static extern IntPtr GetDesktopWindow ();
 
@@ -1562,6 +1606,35 @@ namespace System.Drawing
                 [DllImport ("gdiplus.dll")]
                 internal static extern Status GdipGetStringFormatTabStops(IntPtr format, int count, out float firstTabOffset, [In, Out] float [] tabStops);
                                
+               // metafile
+               [DllImport ("gdiplus.dll", CharSet = CharSet.Auto)]
+               internal static extern Status GdipCreateMetafileFromFile ([MarshalAs (UnmanagedType.LPWStr)] string filename, out IntPtr metafile);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipCreateMetafileFromEmf (IntPtr hEmf, bool deleteEmf, out IntPtr metafile);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipCreateMetafileFromWmf (IntPtr hWmf, bool deleteWmf, WmfPlaceableFileHeader wmfPlaceableFileHeader, out IntPtr metafile);
+               [DllImport ("gdiplus.dll", CharSet = CharSet.Auto)]
+               internal static extern Status GdipGetMetafileHeaderFromFile ([MarshalAs (UnmanagedType.LPWStr)] string filename, IntPtr header);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipGetMetafileHeaderFromMetafile (IntPtr metafile, IntPtr header);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipGetMetafileHeaderFromEmf (IntPtr hEmf, IntPtr header);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipGetMetafileHeaderFromWmf (IntPtr hWmf, IntPtr wmfPlaceableFileHeader, IntPtr header);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipGetHemfFromMetafile (IntPtr metafile, out IntPtr hEmf);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipGetMetafileDownLevelRasterizationLimit (IntPtr metafile, ref uint metafileRasterizationLimitDpi);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipSetMetafileDownLevelRasterizationLimit (IntPtr metafile, uint metafileRasterizationLimitDpi);
+               [DllImport ("gdiplus.dll")]
+               internal static extern Status GdipPlayMetafileRecord (IntPtr metafile, EmfPlusRecordType recordType, int flags, int dataSize, byte[] data);
+#if !TEST
+               [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
+               internal static extern Status GdipCreateMetafileFromStream([MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, out IntPtr metafile);
+               [DllImport("gdiplus.dll", ExactSpelling=true, CharSet=CharSet.Unicode)]
+               internal static extern Status GdipGetMetafileHeaderFromStream([MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(ComIStreamMarshaler))] IStream stream, IntPtr header);
+#endif
                //ImageCodecInfo functions
                [DllImport("gdiplus.dll")]
                static internal extern Status GdipGetImageDecodersSize (out int decoderNums, out int arraySize);
@@ -1595,9 +1668,13 @@ namespace System.Drawing
                        private byte[]  start_buf;
                        private int     start_buf_pos;
                        private int     start_buf_len;
+                       private byte[]  managedBuf;
+                       private const int default_bufsize = 4096;
                        
                        public GdiPlusStreamHelper (Stream s) 
                        { 
+                               managedBuf = new byte [default_bufsize];
+                               
                                stream = s;
                                if (stream != null && stream.CanSeek) {
                                        stream.Seek (0, SeekOrigin.Begin);
@@ -1643,7 +1720,8 @@ namespace System.Drawing
                                        return -1;
                                }
 
-                               byte[] managedBuf = new byte[bufsz];
+                               if (bufsz > managedBuf.Length)
+                                       managedBuf = new byte[bufsz];
                                int bytesRead = 0;
                                long streamPosition = 0;
 
@@ -1751,7 +1829,8 @@ namespace System.Drawing
 
                        public int StreamPutBytesImpl (IntPtr buf, int bufsz) 
                        {
-                               byte[] managedBuf = new byte[bufsz];
+                               if (bufsz > managedBuf.Length)
+                                       managedBuf = new byte[bufsz];
                                Marshal.Copy (buf, managedBuf, 0, bufsz);
                                stream.Write (managedBuf, 0, bufsz);
                                return bufsz;
@@ -1788,7 +1867,11 @@ namespace System.Drawing
                        
                        public long StreamSizeImpl ()
                        {
-                               return stream.Length;
+                               try {
+                                       return stream.Length;
+                               } catch {
+                                       return -1;
+                               }
                        }
 
                        public StreamSizeDelegate SizeDelegate {
@@ -1816,14 +1899,26 @@ namespace System.Drawing
                [DllImport("gdiplus.dll")]
                internal static extern Status GdipCreateFromXDrawable_linux (IntPtr drawable, IntPtr display, out IntPtr graphics);
                
-               // Stream functions for non-Win32 (libgdiplus specific(
+               // Stream functions for non-Win32 (libgdiplus specific)
                [DllImport("gdiplus.dll")]
-               static internal extern Status GdipLoadImageFromDelegate_linux ( StreamGetHeaderDelegate getHeader, StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes, 
-                                                       StreamSeekDelegate doSeek, StreamCloseDelegate close, StreamSizeDelegate size, out IntPtr image);
+               static internal extern Status GdipLoadImageFromDelegate_linux (StreamGetHeaderDelegate getHeader, 
+                       StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes, StreamSeekDelegate doSeek, 
+                       StreamCloseDelegate close, StreamSizeDelegate size, out IntPtr image);
+
                [DllImport("gdiplus.dll")]
-               static internal extern Status GdipSaveImageToDelegate_linux ( IntPtr image, StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes, 
-                       StreamSeekDelegate doSeek, StreamCloseDelegate close, StreamSizeDelegate size, ref Guid encoderClsID, IntPtr encoderParameters );               
-               
+               static internal extern Status GdipSaveImageToDelegate_linux (IntPtr image, StreamGetBytesDelegate getBytes, 
+                       StreamPutBytesDelegate putBytes, StreamSeekDelegate doSeek, StreamCloseDelegate close, 
+                       StreamSizeDelegate size, ref Guid encoderClsID, IntPtr encoderParameters);              
+
+               [DllImport("gdiplus.dll")]
+               static internal extern Status GdipCreateMetafileFromDelegate_linux (StreamGetHeaderDelegate getHeader, 
+                       StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes, StreamSeekDelegate doSeek, 
+                       StreamCloseDelegate close, StreamSizeDelegate size, out IntPtr metafile);
+
+               [DllImport("gdiplus.dll")]
+               static internal extern Status GdipGetMetafileHeaderFromDelegate_linux (StreamGetHeaderDelegate getHeader, 
+                       StreamGetBytesDelegate getBytes, StreamPutBytesDelegate putBytes, StreamSeekDelegate doSeek, 
+                       StreamCloseDelegate close, StreamSizeDelegate size, IntPtr header);
 #endregion
        }
 }