grndwing.h

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00001 // $Id: grndwing.h 751 2006-03-31 15:43:49Z alex $
00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
00003 ================================XARAHEADERSTART===========================
00004  
00005                Xara LX, a vector drawing and manipulation program.
00006                     Copyright (C) 1993-2006 Xara Group Ltd.
00007        Copyright on certain contributions may be held in joint with their
00008               respective authors. See AUTHORS file for details.
00009 
00010 LICENSE TO USE AND MODIFY SOFTWARE
00011 ----------------------------------
00012 
00013 This file is part of Xara LX.
00014 
00015 Xara LX is free software; you can redistribute it and/or modify it
00016 under the terms of the GNU General Public License version 2 as published
00017 by the Free Software Foundation.
00018 
00019 Xara LX and its component source files are distributed in the hope
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00022 See the GNU General Public License for more details.
00023 
00024 You should have received a copy of the GNU General Public License along
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00027 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
00028 
00029 
00030 ADDITIONAL RIGHTS
00031 -----------------
00032 
00033 Conditional upon your continuing compliance with the GNU General Public
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00035 rights. 
00036 
00037 The additional rights are to use, modify, and distribute the software
00038 together with the wxWidgets library, the wxXtra library, and the "CDraw"
00039 library and any other such library that any version of Xara LX relased
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00041 the static linking of that library to XaraLX. In the case of the
00042 "CDraw" library, you may satisfy obligation under the GNU General Public
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00045 
00046 Nothing in this section restricts any of the rights you have under
00047 the GNU General Public License.
00048 
00049 
00050 SCOPE OF LICENSE
00051 ----------------
00052 
00053 This license applies to this program (XaraLX) and its constituent source
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00055 in part share the same code base, and are subject to their own licensing
00056 terms.
00057 
00058 This license does not apply to files in the wxXtra directory, which
00059 are built into a separate library, and are subject to the wxWindows
00060 license contained within that directory in the file "WXXTRA-LICENSE".
00061 
00062 This license does not apply to the binary libraries (if any) within
00063 the "libs" directory, which are subject to a separate license contained
00064 within that directory in the file "LIBS-LICENSE".
00065 
00066 
00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
00068 ----------------------------------------------
00069 
00070 Subject to the terms of the GNU Public License (see above), you are
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00075 
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00079 
00080 Please note that Xara will not accept modifications which modify any of
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00083 
00084 
00085 MARKS
00086 -----
00087 
00088 Xara, Xara LX, Xara X, Xara X/Xtreme, Xara Xtreme, the Xtreme and Xara
00089 designs are registered or unregistered trademarks, design-marks, and/or
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00091 
00092 
00093       Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK.
00094                         http://www.xara.com/
00095 
00096 =================================XARAHEADEREND============================
00097  */
00098 
00099 #include "grndrgn.h"
00100 
00101 /********************************************************************************************
00102 
00103 >   class GRenderWinG : public GRenderRegion
00104 
00105     Author:     Andy_Pennell (Xara Group Ltd) <camelotdev@xara.com>
00106     Created:    29/6/94
00107     Purpose:    A GDraw render region that uses normal DIBs for the bitmap and WinG to blit them
00108 
00109 ********************************************************************************************/
00110 
00111 class GRenderWinG : public GRenderRegion
00112 {
00113     CC_DECLARE_DYNAMIC(GRenderWinG)
00114 
00115 public:
00116     GRenderWinG(DocRect ClipRegion, Matrix ConvertMatrix, FIXED16 ViewScale, UINT32 Depth, double dpi);
00117     ~GRenderWinG();
00118 
00119     static BOOL Init(BOOL);
00120     static void Deinit();
00121     static BOOL CanWinG( UINT32 Depth );
00122 
00123     // here are the function pointer types to the dynamically linked DLL
00124     // if wing.h ever changes, so will these. They are not Win16-clean, but as we never
00125     // use them in Win16 I don't care
00126     // these are public becuase other people might use them
00127     // (the stdcalls are required to use Pascal conventions)
00128 
00129     typedef HDC (PASCAL *WING_CREATEDC)( void );
00130     typedef BOOL (PASCAL *WING_RECOMMENDED)( BITMAPINFO FAR *pFormat );
00131     typedef HBITMAP (PASCAL *WING_CREATEBITMAP)( HDC WinGDC, BITMAPINFO const FAR *pHeader,
00132         void FAR *FAR *ppBits );
00133     typedef BOOL (PASCAL *WING_BITBLT)( HDC hdcDest, INT32 nXOriginDest,
00134         INT32 nYOriginDest, INT32 nWidthDest, INT32 nHeightDest, HDC hdcSrc,
00135         INT32 nXOriginSrc, INT32 nYOriginSrc );
00136 
00137     // and here's huw users can get to them. The names of the fn pointers are the same
00138     // as the real fns, except with a 'p' on the front. Don't use these fn pointers if
00139     // WinGDLL is NULL, as that would be bad
00140 
00141     static HINSTANCE WinGDLL;                               // NULL if not loaded
00142 
00143     static WING_CREATEDC        pWinGCreateDC;
00144     static WING_RECOMMENDED     pWinGRecommendedDIBFormat;
00145     static WING_CREATEBITMAP    pWinGCreateBitmap;
00146     static WING_BITBLT          pWinGBitBlt;
00147 
00148 
00149 private:
00150     LPBITMAPINFO GetLPBits( INT32 Width, INT32 Height, INT32 Depth, LPBYTE*);
00151     void FreeLPBits( LPBITMAPINFO, LPBYTE );
00152     BOOL DisplayBits(LPBITMAPINFO lpDisplayBitmapInfo = NULL, LPBYTE lpDisplayBits = NULL);
00153     BOOL StartRenderAfter(GMATRIX *GMat);
00154 
00155     // member variables
00156     HBITMAP WinGBitmap;
00157     BOOL Inverted;                                      // FALSE for old fashioned DIB,
00158                                                         // TRUE for upside-down DIB
00159 
00160     // static variables
00161     static HDC OffScreenDC;                             // a WinGDC really
00162 };

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