162 lines
4.2 KiB
C
162 lines
4.2 KiB
C
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#ifndef TCODEC_INCLUDED
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#define TCODEC_INCLUDED
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#include "traster.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TRASTERIMAGE_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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//------------------------------------------------------------------------------
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class DVAPI TRasterCodec
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{
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public:
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TRasterCodec(const string &name) : m_name(name) {}
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virtual ~TRasterCodec() {}
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//virtual int getMaxCompressionSize(int size) = 0;
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//virtual void compress (const TRasterP &inRas, int allocUnit, UCHAR** outData, TINT32 &outDataSize) = 0;
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//virtual void decompress(const UCHAR* inData, TINT32 inDataSize, TRasterP &outRas) = 0;
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//virtual int getHeaderSize() = 0;
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//virtual UCHAR *removeHeader(const UCHAR* inData, TINT32 inDataSize, TINT32 &outDataSize, int &lx, int &ly) = 0;
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static TRasterCodec *create(const string &name);
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private:
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string m_name;
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};
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//------------------------------------------------------------------------------
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class DVAPI TRasterCodecDummy : public TRasterCodec
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{
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public:
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TRasterCodecDummy(const string &name) : TRasterCodec(name) {}
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~TRasterCodecDummy() {}
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//int getMaxCompressionSize(int size);
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//void compress(const TRasterP &inRas, int allocUnit, UCHAR** outData, TINT32 &outDataSize);
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//void decompress(const UCHAR* inData, TINT32 inDataSize, TRasterP &outRas);
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//int getHeaderSize();
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//UCHAR *removeHeader(const UCHAR* inData, TINT32 inDataSize, TINT32 &outDataSize, int &lx, int &ly);
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//static TRasterCodec *create(const string &name);
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};
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//------------------------------------------------------------------------------
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class DVAPI TRasterCodecQTL : public TRasterCodec
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{
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public:
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TRasterCodecQTL(const string &name) : TRasterCodec(name) {}
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~TRasterCodecQTL() {}
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//int getMaxCompressionSize(int size);
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//void compress (const TRasterP &inRas, int allocUnit, UCHAR** outData, TINT32 &outDataSize);
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//void decompress(const UCHAR* inData, TINT32 inDataSize, TRasterP &outRas);
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//UCHAR *removeHeader(const UCHAR* inData, TINT32 inDataSize, TINT32 &outDataSize, int &lx, int &ly);
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//int getHeaderSize();
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//static TRasterCodec *create(const string &name);
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};
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//------------------------------------------------------------------------------
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/*class DVAPI TRasterCodecSnappy : public TRasterCodec
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{
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public:
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TRasterCodecSnappy(const string &name, bool useCache);
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~TRasterCodecSnappy();
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TRasterP compress(const TRasterP &inRas, int allocUnit, TINT32 &outDataSize);
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bool decompress(const UCHAR* inData, TINT32 inDataSize, TRasterP &outRas, bool safeMode);
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void decompress(const TRasterP & compressedRas, TRasterP &outRas);
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void reset() { if (m_useCache) return; m_raster=TRasterGR8P(); }
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private:
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TRasterGR8P m_raster;
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string m_cacheId;
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bool m_useCache;
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private:
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UINT doCompress(const TRasterP &inRas, int allocUnit, TRasterGR8P& outRas);
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};*/
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//------------------------------------------------------------------------------
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class DVAPI TRasterCodecLz4 : public TRasterCodec
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{
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public:
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TRasterCodecLz4(const string &name, bool useCache);
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~TRasterCodecLz4();
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TRasterP compress(const TRasterP &inRas, int allocUnit, TINT32 &outDataSize);
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bool decompress(const UCHAR *inData, TINT32 inDataSize, TRasterP &outRas, bool safeMode);
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void decompress(const TRasterP &compressedRas, TRasterP &outRas);
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void reset()
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{
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if (m_useCache)
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return;
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m_raster = TRasterGR8P();
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}
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private:
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TRasterGR8P m_raster;
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string m_cacheId;
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bool m_useCache;
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private:
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UINT doCompress(const TRasterP &inRas, int allocUnit, TRasterGR8P &outRas);
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};
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//------------------------------------------------------------------------------
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class DVAPI TRasterCodecLZO : public TRasterCodec
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{
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public:
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TRasterCodecLZO(const string &name, bool useCache);
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~TRasterCodecLZO();
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TRasterP compress(const TRasterP &inRas, int allocUnit, TINT32 &outDataSize);
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bool decompress(const UCHAR *inData, TINT32 inDataSize, TRasterP &outRas, bool safeMode);
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void decompress(const TRasterP &compressedRas, TRasterP &outRas);
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void reset()
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{
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if (m_useCache)
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return;
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m_raster = TRasterGR8P();
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}
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private:
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TRasterGR8P m_raster;
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string m_cacheId;
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bool m_useCache;
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private:
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UINT doCompress(const TRasterP &inRas, int allocUnit, TRasterGR8P &outRas);
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};
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#endif
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