49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
// ZlibEncoder.h
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#ifndef __ZLIB_ENCODER_H
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#define __ZLIB_ENCODER_H
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#include "DeflateEncoder.h"
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namespace NCompress {
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namespace NZlib {
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class CInStreamWithAdler:
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public ISequentialInStream,
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public CMyUnknownImp
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{
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CMyComPtr<ISequentialInStream> _stream;
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UInt32 _adler;
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UInt64 _size;
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public:
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MY_UNKNOWN_IMP
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STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
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void SetStream(ISequentialInStream *stream) { _stream = stream; }
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void ReleaseStream() { _stream.Release(); }
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void Init() { _adler = 1; _size = 0; } // ADLER_INIT_VAL
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UInt32 GetAdler() const { return _adler; }
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UInt64 GetSize() const { return _size; }
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};
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class CEncoder:
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public ICompressCoder,
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public CMyUnknownImp
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{
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CInStreamWithAdler *AdlerSpec;
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CMyComPtr<ISequentialInStream> AdlerStream;
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CMyComPtr<ICompressCoder> DeflateEncoder;
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public:
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NCompress::NDeflate::NEncoder::CCOMCoder *DeflateEncoderSpec;
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void Create();
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STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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UInt64 GetInputProcessedSize() const { return AdlerSpec->GetSize(); }
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MY_UNKNOWN_IMP
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};
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}}
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#endif
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