00001 // $Id: outptdib.h 1182 2006-05-23 18:17:01Z 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 00020 that it will be useful, but WITHOUT ANY WARRANTY; without even the 00021 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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 00025 with Xara LX (see the file GPL in the root directory of the 00026 distribution); if not, write to the Free Software Foundation, Inc., 51 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 00034 License described above, Xara Group Ltd grants to you certain additional 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 00040 by Xara Group Ltd requires in order to compile and execute, including 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 00043 License to provide source code by providing a binary copy of the library 00044 concerned and a copy of the license accompanying it. 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 00054 files only, and does not necessarily apply to other Xara products which may 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 00071 free to do whatever you like with your modifications. However, you may 00072 (at your option) wish contribute them to Xara's source tree. You can 00073 find details of how to do this at: 00074 http://www.xaraxtreme.org/developers/ 00075 00076 Prior to contributing your modifications, you will need to complete our 00077 contributor agreement. This can be found at: 00078 http://www.xaraxtreme.org/developers/contribute/ 00079 00080 Please note that Xara will not accept modifications which modify any of 00081 the text between the start and end of this header (marked 00082 XARAHEADERSTART and XARAHEADEREND). 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 00090 service marks of Xara Group Ltd. All rights in these marks are reserved. 00091 00092 00093 Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. 00094 http://www.xara.com/ 00095 00096 =================================XARAHEADEREND============================ 00097 */ 00098 00099 // header for OutputDIB 00100 00101 #ifndef INC_OUTPTDIB 00102 #define INC_OUTPTDIB 00103 00104 #include "ccfile.h" // needs FilePos 00105 #include "dibconv.h" // needs DIBConvert 00106 #include "dibutil.h" // needs FNPTR_SCANLINE 00107 00108 /******************************************************************************************** 00109 00110 > class OutputDIB : public CC_CLASS_MEMDUMP 00111 00112 Author: Andy_Pennell (Xara Group Ltd) <camelotdev@xara.com> 00113 Created: 26/8/94 00114 Purpose: Contains functions to write a DIB to a Windows BMP in segments, optionally 00115 with compression, optionally converting from one depth to another. To use: 00116 Open a CCFile for write. Call StartFile to write out the header. Call 00117 WriteBlock to write out each block of the bitmap, starting from low memory. 00118 When you're done, call TidyUp. 00119 00120 ********************************************************************************************/ 00121 00122 class OutputDIB : public CC_CLASS_MEMDUMP 00123 { 00124 public: 00125 00126 OutputDIB(); 00127 virtual ~OutputDIB() {} 00128 00129 virtual BOOL StartFile( CCLexFile *File, LPBITMAPINFOHEADER lpHeader, LPLOGPALETTE Palette, 00130 UINT32 OutputDepth, DWORD CompressionType, 00131 UINT32 FinalHeight, INT32 ExportSize, BOOL SecondPass = FALSE, 00132 UINT32 DitherType = XARADITHER_ORDERED_GREY ); 00133 00134 virtual BOOL StartFile ( LPBITMAPINFOHEADER lpHeader, 00135 LPLOGPALETTE Palette, 00136 UINT32 OutputDepth, 00137 DWORD CompressionType, 00138 UINT32 FinalHeight, 00139 INT32 ExportSize, 00140 UINT32 DitherType = XARADITHER_ORDERED_GREY ); 00141 00142 virtual BOOL WriteBlock( UINT32 YPos, UINT32 Height, LPBYTE BlockStart, UINT32 InputBPP = 32, 00143 INT32 ProgressOffset = 0); 00144 BOOL SetUpBlock( size_t *pBufSize, size_t *pChunkHeight, DIBConvert **pDoConvert, 00145 FNPTR_SCANLINE *pConvertFn ); 00146 virtual BOOL SetUpInfoHeader(const LPBITMAPINFOHEADER lpHeader, const UINT32 OutputDepth, 00147 const DWORD CompressionType, const UINT32 FinalHeight, INT32 *); 00148 // BOOL SetUpExport( CCLexFile *File, LPBITMAPINFOHEADER lpHeader, LPLOGPALETTE Palette, 00149 // UINT32 DitherType, UINT32 OutputDepth, 00150 // DWORD CompressionType, UINT32, LPBYTE, 00151 // UINT32 StripSize, INT32 ExportSize, BOOL Forward); 00152 static BOOL GetNextBlock( UINT32 YPos, UINT32 Height, LPBYTE BlockStart, 00153 LPBYTE *Buffer, INT32 *CurrentBlockSize, 00154 INT32 *CurrentStartYPos, UINT32 *WrittenSoFar); 00155 static BOOL SetUpForNextStrip(LPBYTE StartOfBytes, UINT32 StripHeight); 00156 virtual BOOL TidyUp(); 00157 00158 // Some useful palette fixing functions 00159 static void PokePaletteEntry(LPLOGPALETTE Palette, INT32 *index, 00160 BYTE red, BYTE green, BYTE blue); 00161 static void FixBlackAndWhitePalette(LPLOGPALETTE Palette); 00162 static void Fix16ColourPalette(LPLOGPALETTE Palette); 00163 00164 void AlterExportPalette( LPLOGPALETTE pPalette ); 00165 00166 virtual LPBITMAPINFO GetDestBitmapInfo ( void ); 00167 virtual LPBYTE GetDestBitmapBits ( void ); 00168 00169 protected: 00170 00171 UINT32 SourceBitmapDepth; // depth of source bitmap 00172 FilePos StartPos; // where in the file the BMP starts 00173 CCLexFile *OutputFile; // file we are writing to 00174 static BITMAPINFOHEADER BitmapInfo; // copy of file header (includes output depth, 00175 // width & height) 00176 LPLOGPALETTE OutputPalette; // can be NULL 00177 00178 UINT32 Dither; // Type of dithering to use 00179 00180 // for debug purposes 00181 static INT32 HeightWritten; // count of the height of the export 00182 static INT32 HeightWanted; // the actual height of the export required 00183 00184 // Required by the Accusoft export functions 00185 static LPBITMAPINFO lpBitmap; // can be NULL 00186 static LPBITMAPINFOHEADER lpBitmapInfo; // can be NULL 00187 static LPBYTE ExportBuffer; // can be NULL 00188 static DIBConvert *DoExportConvert; // the convert DIB 00189 static FNPTR_SCANLINE ExportConvertFn; // the convert function 00190 static size_t ExportSourceWidth; // width of the source DIB 00191 static size_t ExportDestWidth; // width of the destination DIB 00192 static LPBYTE ExportData; // pointer to the export data 00193 static INT32 CurrentYPos; // current line number 00194 static size_t ExportChunkHeight; // Chunk height in use 00195 00196 static BOOL OutputForward; // start from bottom or top of DIB 00197 static UINT32 CurrentStripSize; // current size of the strip being rendered 00198 INT32 CurrentExportSize; // size set up for the progress bar 00199 00200 static BOOL IsFirstStrip; 00201 }; 00202 00203 #endif
1.4.4