64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
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/****************************************************************************
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*
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* (C) COPYRIGHT 2000, MICROSOFT CORP.
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*
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* FILE: private.h
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*
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* VERSION: 1.0
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*
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* DATE: 11/8/2000
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*
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* AUTHOR: Dave Parsons
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*
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* DESCRIPTION:
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* Definitions for the wiautil.lib library, which should not be public.
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*
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*****************************************************************************/
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#ifndef _PRIVATE_H_
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#define _PRIVATE_H_
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class CImageStream : public IStream
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{
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public:
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CImageStream();
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~CImageStream();
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STDMETHOD(SetBuffer)(BYTE *pBuffer, INT iSize, SKIP_AMOUNT iSkipAmt = SKIP_OFF);
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// IUnknown
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STDMETHOD(QueryInterface)(REFIID riid, void **ppvObject);
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STDMETHOD_(ULONG, AddRef)();
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STDMETHOD_(ULONG, Release)();
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// ISequentialStream
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STDMETHOD(Read)(void *pv, ULONG cb, ULONG *pcbRead);
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STDMETHOD(Write)(const void *pv, ULONG cb, ULONG *pcbWritten);
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// IStream
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STDMETHOD(Seek)(LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition);
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STDMETHOD(SetSize)(ULARGE_INTEGER libNewSize);
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STDMETHOD(CopyTo)(IStream *pstm, ULARGE_INTEGER cb, ULARGE_INTEGER *pcbRead, ULARGE_INTEGER *pcbWritten);
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STDMETHOD(Commit)(DWORD grfCommitFlags);
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STDMETHOD(Revert)();
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STDMETHOD(LockRegion)(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType);
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STDMETHOD(UnlockRegion)(ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType);
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STDMETHOD(Stat)(STATSTG *pstatstg, DWORD grfStatFlag);
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STDMETHOD(Clone)(IStream **ppstm);
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private:
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LONG m_cRef; // Reference count
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BYTE *m_pBuffer; // Buffer to use for reads and writes
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INT m_iSize; // Size of the buffer
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INT m_iPosition; // Current position in the buffer
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INT m_iOffset; // Offset to apply to reads and writes
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BYTE m_Header[sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER)];
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// Location to store bmp file and info headers
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};
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#endif // _PRIVATE_H_
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