demoview.h

电脑编程技巧和源码。很不错的。

// DemoView.h : interface of the CDemoView class
//
/////////////////////////////////////////////////////////////////////////////

class CDemoView : public CView
{
protected: // create from serialization only
	CDemoView();
	DECLARE_DYNCREATE(CDemoView)

// Attributes
public:
	CDemoDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDemoView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CDemoView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
BOOL LoadBMP( LPCTSTR sBMPFile, HGLOBAL *phDIB, CPalette *pPal );
void DrawGray2D( CDC *pDC, HANDLE hDIB );
void DrawGray3D (CDC *pDC, int nXDest, int nYDest, int nWidth, int nHeight, HBITMAP hDIB, int nXSrc, int nYSrc);
HPALETTE Create236Palette(HANDLE hDIB);
void FadeInORFadeOut( CDC *pDC, HANDLE hDIB, COLORREF color, int xDest, int yDest, 
							int nLoops, int nDelay ,int nFlag);
void FadeInColorORFadeOutGray( CDC *pDC, HANDLE hDIB, int xDest, int yDest, int nLoops, 
									int nDelay ,int nFlag) ;
void DrawTransparentBitmap( CDC *pDC, int nXDest, int nYDest,HGLOBAL hDIB, COLORREF colorTransparent, CPalette *pPal);
void DrawSemiTransparentBitmap(CDC *pDC, int nXDest, int nYDest, HGLOBAL hDIB,CPalette *pPal);
void DrawDIB( CDC* pDC, HGLOBAL hDIB, CPalette *pPal, int xDest, int yDest );
// Generated message map functions
protected:
	//{{AFX_MSG(CDemoView)
	afx_msg void OnDrawgray();
	afx_msg void On3ddrawgray();
	afx_msg void OnFadegrayinout();
	afx_msg void OnFadeinorout();
	afx_msg void OnSeimtrandraw();
	afx_msg void OnTrandraw();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in DemoView.cpp
inline CDemoDoc* CDemoView::GetDocument()
   { return (CDemoDoc*)m_pDocument; }
#endif

/////////////////////////////////////////////////////////////////////////////