178 lines
4.6 KiB
C
178 lines
4.6 KiB
C
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//+-------------------------------------------------------------------------
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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: mf.h
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//
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// Contents: Declaration of CMfObject (metafile presentation object)
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//
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// Classes: CMfObject
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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 CMfObject
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// 24-Jan-94 alexgo first pass converting to Cairo style
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// memory allocation
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// 29-Nov-93 alexgo 32bit port
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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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#define RECORD_COUNT 16
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#ifndef _MAC
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typedef struct _METADC
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{
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int xMwo;
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int yMwo;
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int xMwe;
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int yMwe;
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int xre;
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int yre;
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struct _METADC FAR* pNext;
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} METADC, *PMETADC, FAR* LPMETADC;
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typedef struct _METAINFO
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{
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METADC headDc;
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int xwo;
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int ywo;
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int xwe;
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int ywe;
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int xro;
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int yro;
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} METAINFO, *PMETAINFO, FAR* LPMETAINFO;
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#endif
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//+-------------------------------------------------------------------------
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//
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// Class: CMfObject
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//
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// Purpose: Metafile presentation object
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//
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// Interface: IOlePresObj
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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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// 29-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 CMfObject : public IOlePresObj, public CPrivAlloc
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{
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public:
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CMfObject(LPCACHENODE pCacheNode, DWORD dwAspect,
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BOOL fConvert = FALSE);
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~CMfObject(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,
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STGMEDIUM FAR * 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,
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LPCRECTL lprcBounds,
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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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#ifndef _MAC
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inline int CallbackFuncForDraw(HDC hdc, LPHANDLETABLE lpHTable,
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LPMETARECORD lpMFR, int nObj);
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inline int CallbackFuncForGetColorSet(HDC hdc, LPHANDLETABLE lpHTable,
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LPMETARECORD lpMFR, int nObj);
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#endif
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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_(HANDLE) GetHmfp (void);
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INTERNAL_(BOOL) PopDc (void);
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INTERNAL_(BOOL) PushDc (void);
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INTERNAL_(void) CleanStack(void);
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#endif
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INTERNAL ChangeData (HANDLE hMfp, BOOL fDelete);
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INTERNAL_(HANDLE) LoadHPRES(void);
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INTERNAL_(HANDLE) GetCopyOfHPRES(void);
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INTERNAL_(void) SetPictOrg (HDC, int, int, BOOL);
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INTERNAL_(void) SetPictExt (HDC, int, int);
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INTERNAL_(void) ScalePictExt (HDC, int, int, int, int);
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INTERNAL_(void) ScaleRectExt (HDC, int, int, int, int);
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shared_state:
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ULONG m_ulRefs;
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#ifdef _MAC
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PicHandle m_hPres;
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#else
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HMETAFILE m_hPres;
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// these are used only during draw
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LPMETAINFO m_pMetaInfo;
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LPMETADC m_pCurMdc;
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BOOL m_fMetaDC;
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int m_nRecord;
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HRESULT m_error;
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LPLOGPALETTE m_pColorSet;
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BOOL m_fConvert;
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#endif
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BOOL (CALLBACK * m_pfnContinue)(ULONG_PTR);
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ULONG_PTR m_dwContinue;
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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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LPCACHENODE m_pCacheNode;
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HPALETTE m_hPalDCOriginal;
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HPALETTE m_hPalLast;
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};
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INTERNAL_(DWORD) MfGetSize (LPHANDLE lphmf);
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#ifndef _MAC
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FARINTERNAL_(HMETAFILE) QD2GDI(HANDLE);
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int CALLBACK __loadds MfCallbackFuncForDraw(HDC hdc, HANDLETABLE FAR* lpHTable,
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METARECORD FAR* lpMFR, int nObj, LPARAM lpobj);
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int CALLBACK __loadds MfCallbackFuncForGetColorSet(HDC hdc,
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HANDLETABLE FAR* lpHTable,
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METARECORD FAR* lpMFR, int nObj, LPARAM lpobj);
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#endif
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