www.pudn.com > DlgScrSaver.rar > meta.h

// metaex.h - Header for CMetaFileEx 
#ifndef __CMETAFILE_H__ 
#define __CMETAFILE_H__ 
 
// Placeable metafile data definitions  
typedef struct tagOLDRECT 
{ 
    short left; 
    short top; 
    short right; 
    short bottom; 
} OLDRECT; 
 
// Placeable metafile header  
typedef struct { 
        DWORD   key; 
        WORD	hmf; 
        OLDRECT	bbox; 
        WORD    inch; 
        DWORD   reserved; 
        WORD    checksum; 
} ALDUSMFHEADER; 
 
#define	METAFILE_VERSION	1 
#define	ALDUSKEY		0x9AC6CDD7 
#define	ALDUSMFHEADERSIZE	22	// Avoid sizeof is struct alignment >1 
 
// Alignment types 
typedef enum { 
	AlignNone = -1, 
	AlignDefault, 
	AlignTopLeft, 
	AlignTopCentre, 
	AlignTopRight, 
	AlignMiddleLeft, 
	AlignMiddleCentre, 
	AlignMiddleRight, 
	AlignBottomLeft, 
	AlignBottomCentre, 
	AlignBottomRight, 
	AlignStretch, 
	AlignFit, 
} METAALIGNMENT; 
 
class CMetaFile : public CMetaFileDC { 
	DECLARE_SERIAL(CMetaFile) 
public: 
	static bool IsMetafile(CFile* pFile); 
	CMetaFile(); 
	~CMetaFile(); 
	void Display(CDC* pDC, CRect& r, METAALIGNMENT align = AlignDefault); 
	BOOL Read(CFile* file); 
	BOOL Read(LPCTSTR lpszFileName); 
	void Serialize(CArchive& archive); 
	void Clear(); 
	bool IsEmpty(); 
	// new: 
	int GetWidth() const; 
	int GetHeight() const; 
	bool IsOK() const               {return m_emf==NULL ? false : true;}; 
private: 
	void FitPicture(CRect& r, CSize& size, METAALIGNMENT align); 
	ALDUSMFHEADER m_aldusMFHeader; 
	HENHMETAFILE m_emf; 
	//HMETAFILE m_wmf; 
}; 
 
#endif	// __CMETAFILE_H__