- Generated on Fri Feb 8 2013 08:42:08 for MeVisLabToolboxReference by
1.7.4
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MeVisLabToolboxReference
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00001 // **InsertLicense** code 00002 //---------------------------------------------------------------------------------- 00005 00010 // Abstract base class for ML data compression algorithms. 00011 //---------------------------------------------------------------------------------- 00012 00013 #ifndef __mlDataCompressor_H 00014 #define __mlDataCompressor_H 00015 00016 // Resolve platform independencies. 00017 #ifndef __MLDataCompressorSystem_H 00018 #include "MLDataCompressorSystem.h" 00019 #endif 00020 00021 #ifndef __mlSystemIncludes_H 00022 #include "mlSystemIncludes.h" 00023 #endif 00024 #ifndef __mlUtils_H 00025 #include "mlUtils.h" 00026 #endif 00027 #ifndef __mlBase_H 00028 #include "mlBase.h" 00029 #endif 00030 00031 00032 ML_UTILS_START_NAMESPACE 00033 00035 class CompressionRegisterEntry; 00036 00037 // ------------------------------------------------------------------- 00040 // ------------------------------------------------------------------- 00041 class MLDATA_COMPRESSOR_EXPORT DataCompressor : public Base 00042 { 00043 public: 00044 00045 //-------------------------------------------------------------------------------- 00047 00048 //-------------------------------------------------------------------------------- 00049 00052 enum { MaxHints = 10 }; 00053 00055 enum HintType { 00056 Unused = 0, 00057 IsDouble = 1, 00058 IsInt = 2, 00059 IsBool = 3, 00060 IsString = 4, 00061 IsDataType = 5 00062 }; 00064 00065 00066 //-------------------------------------------------------------------------------- 00068 00069 //-------------------------------------------------------------------------------- 00070 00072 DataCompressor(); 00073 00075 virtual ~DataCompressor(); 00077 00078 00079 //-------------------------------------------------------------------------------- 00081 00082 //-------------------------------------------------------------------------------- 00083 00087 virtual std::string getTypeName() const = 0; 00088 00092 virtual std::string getVersion() const = 0; 00093 00096 virtual bool isSupportedVersion(const std::string &ver) const = 0; 00097 00101 virtual std::string getVendor() const { return ""; } 00102 00105 virtual std::string getSuffix() const { return ""; } 00106 00112 virtual bool isLossy() const { return false; } 00114 00115 00116 //-------------------------------------------------------------------------------- 00118 00119 //-------------------------------------------------------------------------------- 00120 00122 virtual MLDataType getDataType() const { return _dataType; } 00123 00125 virtual void setDataType(MLDataType dt) { _dataType = dt; } 00126 00127 00129 virtual size_t getVoxelSize() const { return _voxelSize; } 00130 00132 virtual void setVoxelSize(size_t vSize) { _voxelSize = vSize;} 00133 00134 00136 virtual void getImageExtent(MLint ext[6]) const { memcpy(ext, _ext, sizeof(MLint)*6); } 00137 00139 virtual void setImageExtent(const MLint ext[6]) { memcpy(_ext, ext, sizeof(MLint)*6); } 00140 00141 00143 virtual MLuint8 numUsedHints() const { return 0; } 00144 00146 virtual void getHint(MLuint8 hintIdx , 00147 HintType &hintType, 00148 std::string &strVal , 00149 std::string &hintName, 00150 double &rangeMin, 00151 double &rangeMax) const; 00152 00155 virtual MLErrorCode setHint(MLuint8 hintIdx, 00156 const std::string value); 00157 00160 virtual MLErrorCode setHint(const std::string &hintName, 00161 const std::string &value); 00162 00164 virtual int findHint(const std::string &hintName); 00166 00167 00168 00169 //-------------------------------------------------------------------------------- 00171 00172 //-------------------------------------------------------------------------------- 00173 00187 virtual ML_RETURN_VALUE_SHOULD_BE_USED 00188 MLErrorCode compress(const void *srcMem, 00189 size_t srcSize, 00190 void *&dstMem, 00191 MLint &dstNum) const = 0; 00192 00207 virtual ML_RETURN_VALUE_SHOULD_BE_USED 00208 MLErrorCode decompress(const void *srcMem, 00209 size_t srcSize, 00210 void *&dstMem, 00211 MLint64 &resSize) const = 0; 00212 00213 00214 protected: 00215 00217 MLDataType _dataType; 00218 00220 size_t _voxelSize; 00221 00223 MLint _ext[6]; 00224 00226 00227 00229 HintType _hintType[MaxHints]; 00230 00232 std::string _strHints[MaxHints]; 00233 00235 std::string _hintName[MaxHints]; 00236 00238 double _rangeMin[MaxHints]; 00239 00241 double _rangeMax[MaxHints]; 00243 00244 00245 //----------------------------------------------------------- 00247 00248 //----------------------------------------------------------- 00260 static int reorderBytePlanes(void *data, size_t dataSize, size_t voxSize); 00261 00264 static int unReorderBytePlanes(void *data, size_t dataSize, size_t voxSize); 00265 00281 static void diffCodeData (void *data, size_t dataSize, size_t voxSize=1); 00282 00284 static void undiffCodeData(void *data, size_t dataSize, size_t voxSize=1); 00285 00298 static int reorderDataTraversal(void *data, size_t dataSize, size_t voxSize, const MLint64 imgExt[6]); 00299 00302 static int unReorderDataTraversal(void *data, size_t dataSize, size_t voxSize, const MLint64 imgExt[6]); 00303 00308 static void packMLints(const MLint vec[6], unsigned char packedBuffer[55]); 00309 00311 static void unpackMLints(const unsigned char packedBuffer[55], MLint vec[6]); 00312 00314 00315 private: 00316 00320 static std::vector<CompressionRegisterEntry>::iterator findCompressorType(const std::string &typeName); 00321 00325 static std::vector<CompressionRegisterEntry>::iterator findCompressorType(const RuntimeType &rtType); 00326 00328 static std::vector<CompressionRegisterEntry> _dataCompressorTypes; 00329 00331 ML_ABSTRACT_CLASS_HEADER(DataCompressor) 00332 }; 00333 00334 ML_UTILS_END_NAMESPACE 00335 00336 #endif // __mlDataCompressor_H 00337 00338
1.7.4