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) 2000-2009 Torus Knot Software Ltd 00008 00009 Permission is hereby granted, free of charge, to any person obtaining a copy 00010 of this software and associated documentation files (the "Software"), to deal 00011 in the Software without restriction, including without limitation the rights 00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00013 copies of the Software, and to permit persons to whom the Software is 00014 furnished to do so, subject to the following conditions: 00015 00016 The above copyright notice and this permission notice shall be included in 00017 all copies or substantial portions of the Software. 00018 00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00025 THE SOFTWARE. 00026 ----------------------------------------------------------------------------- 00027 */ 00028 #ifndef _Codec_H__ 00029 #define _Codec_H__ 00030 00031 #include "OgrePrerequisites.h" 00032 #include "OgreSharedPtr.h" 00033 #include "OgreDataStream.h" 00034 #include "OgreIteratorWrappers.h" 00035 #include "OgreStringVector.h" 00036 00037 namespace Ogre { 00054 class _OgreExport Codec : public CodecAlloc 00055 { 00056 protected: 00057 typedef map< String, Codec* >::type CodecList; 00060 static CodecList ms_mapCodecs; 00061 00062 public: 00063 class _OgrePrivate CodecData : public CodecAlloc 00064 { 00065 public: 00066 virtual ~CodecData() {}; 00067 00070 virtual String dataType() const { return "CodecData"; }; 00071 }; 00072 typedef SharedPtr<CodecData> CodecDataPtr; 00073 00074 typedef ConstMapIterator<CodecList> CodecIterator; 00075 00076 public: 00077 virtual ~Codec(); 00078 00081 static void registerCodec( Codec *pCodec ) 00082 { 00083 ms_mapCodecs[pCodec->getType()] = pCodec; 00084 } 00085 00088 static void unRegisterCodec( Codec *pCodec ) 00089 { 00090 ms_mapCodecs.erase(pCodec->getType()); 00091 } 00092 00094 static CodecIterator getCodecIterator(void) 00095 { 00096 return CodecIterator(ms_mapCodecs.begin(), ms_mapCodecs.end()); 00097 } 00098 00100 static StringVector getExtensions(void); 00101 00103 static Codec* getCodec(const String& extension); 00104 00111 static Codec* getCodec(char *magicNumberPtr, size_t maxbytes); 00112 00116 virtual DataStreamPtr code(MemoryDataStreamPtr& input, CodecDataPtr& pData) const = 0; 00124 virtual void codeToFile(MemoryDataStreamPtr& input, const String& outFileName, CodecDataPtr& pData) const = 0; 00125 00127 typedef std::pair<MemoryDataStreamPtr, CodecDataPtr> DecodeResult; 00133 virtual DecodeResult decode(DataStreamPtr& input) const = 0; 00134 00137 virtual String getType() const = 0; 00138 00141 virtual String getDataType() const = 0; 00142 00149 virtual bool magicNumberMatch(const char *magicNumberPtr, size_t maxbytes) const 00150 { return !magicNumberToFileExt(magicNumberPtr, maxbytes).empty(); } 00158 virtual String magicNumberToFileExt(const char *magicNumberPtr, size_t maxbytes) const = 0; 00159 }; 00163 } // namespace 00164 00165 #endif
Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Thu Dec 31 16:27:08 2009