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105 lines
3.1 KiB
105 lines
3.1 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: gen.h
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//
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// Contents: Declaration of CGenObject
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//
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// Classes: CGenObject
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//
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// Functions:
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//
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// History: dd-mmm-yy Author Comment
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// 01-Feb-95 t-ScottH add Dump method to CGenObject
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// 24-Jan-94 alexgo first pass converting to Cairo style
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// memory allocation
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// 23-Nov-93 alexgo 32bit port
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// 23-Nov-93 alexgo removed internal function declarations
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// (only used in gen.cpp, so put them there)
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//
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//--------------------------------------------------------------------------
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#include "olepres.h"
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#include "olecache.h"
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#include "cachenod.h"
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//+-------------------------------------------------------------------------
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//
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// Class: CGenObject::IOlePresObj
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//
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// Purpose: Implementation of IOlePresObj for device independent bitmaps
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//
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// Interface: IOlePresObj (internal OLE interface)
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//
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// History: dd-mmm-yy Author Comment
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// 01-Feb-95 t-ScottH add Dump method (_DEBUG only) (this method
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// is also a method in IOlePresObj
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// 23-Nov-93 alexgo 32bit port
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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class FAR CGenObject : public IOlePresObj, public CPrivAlloc
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{
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public:
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CGenObject (LPCACHENODE pCacheNode, CLIPFORMAT cfFormat,
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DWORD dwAspect);
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~CGenObject( void );
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STDMETHOD(QueryInterface) (THIS_ REFIID riid, LPVOID FAR* ppvObj);
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STDMETHOD_(ULONG,AddRef) (THIS) ;
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STDMETHOD_(ULONG,Release) (THIS);
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STDMETHOD(GetData) (THIS_ LPFORMATETC pformatetcIn,
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LPSTGMEDIUM pmedium );
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STDMETHOD(GetDataHere) (THIS_ LPFORMATETC pformatetcIn,
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LPSTGMEDIUM pmedium );
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STDMETHOD(SetDataWDO) (THIS_ LPFORMATETC pformatetc, LPSTGMEDIUM pmedium,
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BOOL fRelease, IDataObject * pdo);
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STDMETHOD(Draw) (THIS_ void FAR* pvAspect, HDC hicTargetDev,
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HDC hdcDraw, LPCRECTL lprcBounds, LPCRECTL lprcWBounds,
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BOOL (CALLBACK * pfnContinue)(ULONG_PTR),
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ULONG_PTR dwContinue);
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STDMETHOD(GetExtent) (THIS_ DWORD dwAspect, LPSIZEL lpsizel);
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STDMETHOD(Load) (THIS_ LPSTREAM pstm, BOOL fReadHeaderOnly = FALSE);
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STDMETHOD(Save) (THIS_ LPSTREAM pstm);
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STDMETHOD(GetColorSet) (void FAR* pvAspect, HDC hicTargetDev,
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LPLOGPALETTE FAR* ppColorSet);
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STDMETHOD_(BOOL, IsBlank) (THIS);
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STDMETHOD_(void, DiscardHPRES)(THIS);
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#ifdef _DEBUG
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STDMETHOD(Dump) (THIS_ char **ppszDump, ULONG ulFlag, int nIndentLevel);
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#endif // _DEBUG
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private:
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#ifndef _MAC
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INTERNAL GetBitmapData(LPFORMATETC pformatetcIn, LPSTGMEDIUM pmedium);
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INTERNAL SetBitmapData(LPFORMATETC pformatetc, LPSTGMEDIUM pmedium,
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BOOL fRelease, IDataObject *pDataObject);
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#endif
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INTERNAL ChangeData(HANDLE hData, BOOL fDelete);
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INTERNAL_(HANDLE) LoadHPRES(void);
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INTERNAL_(HANDLE) GetCopyOfHPRES(void);
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shared_state:
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ULONG m_ulRefs;
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DWORD m_dwAspect;
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DWORD m_dwSize;
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LONG m_lWidth;
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LONG m_lHeight;
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HANDLE m_hPres;
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CLIPFORMAT m_cfFormat;
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LPCACHENODE m_pCacheNode;
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};
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