drawingview.h

软件参考Windows操作系统下的画图程序

// DrawingView.h : interface of the CDrawingView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_DRAWINGVIEW_H__0DEABA1D_90B4_11D7_908A_00A00CC807C7__INCLUDED_)
#define AFX_DRAWINGVIEW_H__0DEABA1D_90B4_11D7_908A_00A00CC807C7__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "ColorPane.h"
#include "PolyBar.h"
#include "MainFrm.h"
#include "GeoPolygon.h"	// Added by ClassView

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

// Attributes
public:
	CDrawingDoc* GetDocument();

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDrawingView)
	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:
	GeoPolygon m_polygonTmp;
	virtual ~CDrawingView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CDrawingView)
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnNcMouseMove(UINT nHitTest, CPoint point);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
private:
	void SetGeoProperty();
	BOOL Draw(CDC &dc);
	CPoint m_ptOld, m_ptCur;
	BOOL m_bLBtn;
	GeoLine m_preline;
	GeoRect m_prerect;
	GeoCircle m_precircle;
	COLORREF m_color;
	int      m_nMode;
	int      m_nWidth;
	int      m_nPickGeo;
};

#ifndef _DEBUG  // debug version in DrawingView.cpp
inline CDrawingDoc* CDrawingView::GetDocument()
   { return (CDrawingDoc*)m_pDocument; }
#endif

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

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DRAWINGVIEW_H__0DEABA1D_90B4_11D7_908A_00A00CC807C7__INCLUDED_)