michael@0: // OffsetStream.h
michael@0: 
michael@0: #ifndef __OFFSETSTREAM_H
michael@0: #define __OFFSETSTREAM_H
michael@0: 
michael@0: #include "Common/MyCom.h"
michael@0: #include "../IStream.h"
michael@0: 
michael@0: class COffsetOutStream: 
michael@0:   public IOutStream,
michael@0:   public CMyUnknownImp
michael@0: {
michael@0:   UInt64 _offset;
michael@0:   CMyComPtr<IOutStream> _stream;
michael@0: public:
michael@0:   HRESULT Init(IOutStream *stream, UInt64 offset);
michael@0:   
michael@0:   MY_UNKNOWN_IMP
michael@0: 
michael@0:   STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
michael@0:   STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
michael@0:   STDMETHOD(SetSize)(Int64 newSize);
michael@0: };
michael@0: 
michael@0: #endif