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// VCadView.h : interface of the CVCadView class 
// 
///////////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_VCADVIEW_H__0F72222D_9328_11D4_95E5_00001C538465__INCLUDED_) 
#define AFX_VCADVIEW_H__0F72222D_9328_11D4_95E5_00001C538465__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
#include "VCADDoc.h" 
class Position; 
class CVCadView : public CView 
{ 
 protected: // create from serialization only 
	CVCadView(); 
	DECLARE_DYNCREATE(CVCadView) 
 public: 
	CVCadDoc* GetDocument(); 
 
 protected: 
	// 世界坐标与屏幕坐标的关系 
	double	m_dOrgX, m_dOrgY; // 世界坐标的原点坐标 
	double	scale; // 屏幕坐标到世界坐标的比例因子 
	class CCommand* m_pCmd; 
	 
 public:	 
	// 世界坐标转换为屏幕坐标，输入：世界坐标pos， 输出：屏幕坐标screenPt 
	void WorldtoScreen(const Position& pos, CPoint& screenPt);  
	// 屏幕坐标转换为世界坐标，输入：屏幕坐标screenPt， 输出：世界坐标pos 
	void ScreentoWorld(const CPoint& screenPt, Position& pos); 
	// 得到屏幕坐标到世界坐标的比例因子 
	double GetScale(); 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CVCadView) 
	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 ~CVCadView(); 
#ifdef _DEBUG 
	virtual void AssertValid() const; 
	virtual void Dump(CDumpContext& dc) const; 
#endif 
 
protected: 
 
// Generated message map functions 
protected: 
	//{{AFX_MSG(CVCadView) 
	afx_msg void OnMouseMove(UINT nFlags, CPoint point); 
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point); 
	afx_msg void OnRButtonDown(UINT nFlags, CPoint point); 
	afx_msg void OnPick(); 
	afx_msg void OnUpdatePick(CCmdUI* pCmdUI); 
	afx_msg void OnRedraw(); 
	//}}AFX_MSG 
	afx_msg void OnCreateEntity(int m_nID); 
	afx_msg void OnUpdateCreateCommand(CCmdUI* pCmdUI); 
	afx_msg void OnModifyEntity(int m_nID); 
	afx_msg void OnUpdateModifyCommand(CCmdUI* pCmdUI); 
 
	DECLARE_MESSAGE_MAP() 
}; 
 
#ifndef _DEBUG  // debug version in VCadView.cpp 
inline CVCadDoc* CVCadView::GetDocument() 
   { return (CVCadDoc*)m_pDocument; } 
#endif 
 
 
#endif // !defined(AFX_VCADVIEW_H__0F72222D_9328_11D4_95E5_00001C538465__INCLUDED_)