1 // OffsetStream.h

     2 

     3 #ifndef __OFFSETSTREAM_H

     4 #define __OFFSETSTREAM_H

     5 

     6 #include "Common/MyCom.h"

     7 #include "../IStream.h"

     8 

     9 class COffsetOutStream: 

    10   public IOutStream,

    11   public CMyUnknownImp

    12 {

    13   UInt64 _offset;

    14   CMyComPtr<IOutStream> _stream;

    15 public:

    16   HRESULT Init(IOutStream *stream, UInt64 offset);

    17   

    18   MY_UNKNOWN_IMP

    19 

    20   STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);

    21   STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);

    22   STDMETHOD(SetSize)(Int64 newSize);

    23 };

    24 

    25 #endif