00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright (c) 2000-2006 Torus Knot Software Ltd 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 00024 You may alternatively use this source under the terms of a specific version of 00025 the OGRE Unrestricted License provided you have obtained such a license from 00026 Torus Knot Software Ltd. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 #ifndef __OgreDDSCodec_H__ 00030 #define __OgreDDSCodec_H__ 00031 00032 #include "OgreImageCodec.h" 00033 namespace Ogre { 00034 00035 // Forward declarations 00036 struct DXTColourBlock; 00037 struct DXTExplicitAlphaBlock; 00038 struct DXTInterpolatedAlphaBlock; 00039 00045 class _OgreExport DDSCodec : public ImageCodec 00046 { 00047 private: 00048 String mType; 00049 00050 void flipEndian(void * pData, size_t size, size_t count) const; 00051 void flipEndian(void * pData, size_t size) const; 00052 00053 PixelFormat convertFourCCFormat(uint32 fourcc) const; 00054 PixelFormat convertPixelFormat(uint32 rgbBits, uint32 rMask, 00055 uint32 gMask, uint32 bMask, uint32 aMask) const; 00056 00058 void unpackDXTColour(PixelFormat pf, const DXTColourBlock& block, ColourValue* pCol) const; 00060 void unpackDXTAlpha(const DXTExplicitAlphaBlock& block, ColourValue* pCol) const; 00062 void unpackDXTAlpha(const DXTInterpolatedAlphaBlock& block, ColourValue* pCol) const; 00063 00065 static DDSCodec* msInstance; 00066 public: 00067 DDSCodec(); 00068 virtual ~DDSCodec() { } 00069 00071 DataStreamPtr code(MemoryDataStreamPtr& input, CodecDataPtr& pData) const; 00073 void codeToFile(MemoryDataStreamPtr& input, const String& outFileName, CodecDataPtr& pData) const; 00075 DecodeResult decode(DataStreamPtr& input) const; 00077 String magicNumberToFileExt(const char *magicNumberPtr, size_t maxbytes) const; 00078 00079 virtual String getType() const; 00080 00082 static void startup(void); 00084 static void shutdown(void); 00085 00086 }; 00087 00088 } // namespace 00089 00090 #endif 00091
Copyright © 2008 Torus Knot Software Ltd
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Last modified Sun Sep 27 22:02:23 2009