drawshapeview.h

用于地理信息系统（GIS）行业程序。 完整的鼠标交互式地图点、线、面的绘制

// DrawShapeView.h : interface of the CDrawShapeView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_DRAWSHAPEVIEW_H__06D55840_0F38_4758_9475_B9B9E22B370E__INCLUDED_)
#define AFX_DRAWSHAPEVIEW_H__06D55840_0F38_4758_9475_B9B9E22B370E__INCLUDED_

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

#include "Pline.h"

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

// Attributes
public:
	CDrawShapeDoc* GetDocument();

// Operations
public:

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

// Implementation
public:
	void GetMapBound(float& a_Xmin, float& a_Ymin, float& a_Xmax, float& a_Ymax);
	void GetGraphBound(float& Xmin,float& Ymin,float& Xmax, float& Ymax);
	void ShowFullScreen();
	void Move(float a_fXcoord,float a_fYcoord);
	void Get(int ab);
	void GetAppPath();
//	static void OutPutX(int x);
	void LPtoAP(int x,int y,float* X,float* Y);
	void APtoLP(float x,float y,int* X,int* Y);
	float LVtoAV(int a_iInputval);
	int AVtoLV(float a_fInputval);

	virtual ~CDrawShapeView();


#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	PointStruct* m_PointArray; //多边形区域或连续直线点数组(实际坐标)
	CString PathName;
	int m_DrawType;
	int m_PushNum;

	POINT m_PointOrg;
	POINT m_PointOld;
	POINT m_PointMouse;

	short m_LineType;
	short m_LineWide;
	short m_ColorPen;
	short m_ColorBrush;
	short m_Color;
	BOOL m_bDelete;
	short m_Layer;

	CBitmap m_MemBitmap;
	 bool IsFirst ;		//控制兼容位图的创建只是每次新文档开始时
	 bool IsFirstFill;

	 int iNewX ;			//位图拷贝到的新位置起点
	 int iNewY;
// Generated message map functions

	//{{AFX_MSG(CDrawShapeView)
	afx_msg void OnUpdateIndicatorX(CCmdUI* pCmdUI);
	afx_msg void OnUpdateIndicatorY(CCmdUI* pCmdUI);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnTestDraw();
	afx_msg void OnDrawLine();
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnDrawPolyline();
	afx_msg void OnDrawPolygon();
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnViewZoomin();
	afx_msg void OnViewZoomout();
	afx_msg void OnViewZoomrect();
	afx_msg void OnViewMove();
	afx_msg void OnViewFullscreen();
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnFileImport();
	afx_msg void OnDrawPoint();
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()


private:
	float m_xStart,m_yStart,blc; //绘制图形时的起点坐标和比例尺
	int m_hScreen,m_wScreen;	//当前视图的高度和宽度
	int m_MapMode;			    //绘图模式	
	HCURSOR hHandCursor, hZoominCursor, hZoomoutCursor;
	int iWScreen,iHScreen;
	int m_XminIntersect,m_YminIntersect,m_XmaxIntersect,m_YmaxIntersect;	//与屏幕相交的地图边界坐标


};

#ifndef _DEBUG  // debug version in DrawShapeView.cpp
inline CDrawShapeDoc* CDrawShapeView::GetDocument()
   { return (CDrawShapeDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_DRAWSHAPEVIEW_H__06D55840_0F38_4758_9475_B9B9E22B370E__INCLUDED_)