www.pudn.com > VC++-develop-GIS.rar > drawView.h
// DrawView.h : interface of the CDrawView class
//
/////////////////////////////////////////////////////////////////////////////
#if !defined(AFX_DrawVIEW_H__0EFFC630_8953_11D2_AE7B_444553540000__INCLUDED_)
#define AFX_DrawVIEW_H__0EFFC630_8953_11D2_AE7B_444553540000__INCLUDED_
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
class CDrawCntrItem;
class CText;
class TextWriteDlg;
class CDrawView : public CView
{
protected: // create from serialization only
CDrawView();
DECLARE_DYNCREATE(CDrawView)
protected:
float xLeft,xRight,yTop,yBottom,xPage,yPage,xWide,yHigh;
int nPageX,nPageY;
int m_MapMode;
int m_hScreen1,m_wScreen1; //当前视图的高度和宽度
CWinThread* m_PDrawThread;
int nHScrollMax,nHScrollPos,nVScrollMax,nVScrollPos;
int nXPage,nXLine,nYPage,nYLine,nScrollMin;
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_CurrentScreen; //当前屏幕的序号
// int m_MaxScreen; //最多能够有的屏幕数
int m_DrawCurrent; //当前正进行操作的序号
int PushNumb; //记录按下鼠标的次数
ScreenStruct* p_Screen; //记录屏幕参数的结构指针
PointStruct *PointXyz; //记录连续直线顶点坐标的数组指针
CPoint mPointOrign,mPointOrign1,mPointOld;//记录鼠标移动时的鼠标点顶坐标
short m_pColor; //当前画笔颜色的序号
short m_bColor; //当前底色的序号
short m_brColor; //当前画刷颜色的序号
short m_LineWide; //当前直线宽度（像素）
short m_LineType; //当前线型
short m_Layer; //当前层
BOOL b_RunFirst; //是否第一次运行
BOOL DrawArcYes;
//用来存储圆或圆弧的参数
float m_CircleX,m_CircleY,m_CircleR,m_Angle1,m_Angle2;
//用来存储标注文字的参数
float m_FontHeight,m_FontWide,m_FontBetween,m_TextAngle,m_FontAngle;
float m_TextX,m_TextY;
CString m_TextString; //存储标注的文字
// Attributes
CText *m_Text1; //声明一个文字类
CArc m_Arc1; //声明一个圆弧类指针
GraphSelectStruct GraphUndo[4]; //声明一个存储恢复信息的数组
void InitVScroll(); //设定纵向滚动条
void InitHScroll(); //设定横向滚动条
public:
CLinkDataSet* m_pLinkSet;
TextWriteDlg *pTextDlg; //标注文字的对话框的指针
CDrawDoc* GetDocument(); //得到文档类的指针
// TODO: replace this selection mechanism with one appropriate to your app.
CDrawCntrItem* m_pSelection;
public:
void PutTracker(CDrawCntrItem* pItem,CRectTracker* pTracker);
void DPtoVP(float x,float y,int *X,int *Y);
void VPtoDP(int x,int y,float *X,float *Y);
int DLtoVL(float l);
float VLtoDL(int l);
protected:
void DrawBack(CDC* pDC); //用底色绘制屏幕
BOOL jsarc(CPoint p1,CPoint p2,CPoint p3,float *CircleX,float *CircleY,
float *CircleR,float *Angle1,float *Angle2);//由三个点计算圆弧参数
void Delete(CDC* pDC,int Lb,int Index); //删除图形操作
BOOL RectCross(float *x1,float *y1,float *x2,float *y2,float xx1,
float yy1,float xx2,float yy2); //计算两个矩形的交面
void ReDrawRect(float X1,float Y1,float X2,float Y2); //重新绘制视图的区域
// Operations
public:
// UINT Draw(CDC *pDC);
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CDrawView)
public:
virtual void OnDraw(CDC* pDC); // overridden to draw this view
virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo = NULL);
protected:
virtual void OnInitialUpdate(); // called first time after construct
virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
virtual BOOL IsSelected(const CObject* pDocItem) const;// Container support
virtual void OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView);
virtual void OnPrint(CDC* pDC, CPrintInfo* pInfo);
//}}AFX_VIRTUAL
// Implementation
public:
LPVOID bmpdata;
HPALETTE hpal;
HBITMAP bhm_ddb;
int nPalate;
void DrawBmp1(CDC* pDC,int x,int y,int wide,int high,UINT idCBitmap,int DrawMode);
void DrawBmp2(CDC* pDC,int x,int y,int wide,int high,char *fName,int DrawMode);
void DrawBmp3(CDC* pDC,int x,int y,int wide,int high,char *fName,int DrawMode);
void DIBtoDDB(HDC hdc);
void make_palette();
virtual ~CDrawView();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
// Generated message map functions
protected:
//{{AFX_MSG(CDrawView)
afx_msg void OnDestroy();
afx_msg void OnSetFocus(CWnd* pOldWnd);
afx_msg void OnSize(UINT nType, int cx, int cy);//视图大小改变时调用
afx_msg void OnInsertObject();
afx_msg void OnCancelEditCntr();
afx_msg void OnDrawArc(); //绘制圆弧
afx_msg void OnDrawCircle(); //绘制圆
afx_msg void OnDrawCircle1(); //绘制圆形区域（填充圆）
afx_msg void OnDrawLine(); //绘制直线
afx_msg void OnDrawPline(); //绘制连续直线
afx_msg void OnDrawRgn(); //绘制多边形区域
afx_msg void OnDrawText(); //标注文字
afx_msg void DrawText();//在标注文字对话框中填入文字时被调用在屏幕上写文字
afx_msg void DrawTextOnOk(); //按‘确定'退出标注文字对话框时被调用
afx_msg void DrawTextOnCancel();//按‘放弃'退出标注文字对话框时被调用
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);//按下鼠标左键时调用
afx_msg void OnMouseMove(UINT nFlags, CPoint point); //鼠标移动时调用
afx_msg void OnRButtonDown(UINT nFlags, CPoint point);//按下鼠标右键时调用
afx_msg void OnGraphRedraw(); //图形重画
afx_msg void OnGraphZoom(); //图形放大
afx_msg void OnGraphPan(); //图形移动
afx_msg void OnGraphUp(); //重画上屏图形
afx_msg void OnGraphFirst(); //重画首屏图形
afx_msg void OnGraphAll(); //重画全屏
afx_msg void OnSelectMouse(); //运行鼠标选中图形
afx_msg void OnSelectClear(); //放弃选中图形
afx_msg void OnSelectDelete(); //删除选中图形
afx_msg void OnEditCut(); //裁剪选中图形进裁剪板
afx_msg void OnEditPaste(); //粘贴图形
afx_msg void OnEditUndo(); //逆向放弃操作
afx_msg void OnEditCopy(); //拷贝选中图形进裁剪板
afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
afx_msg void OnBitmapCut();
afx_msg void OnBitmapPaste();
afx_msg void OnUpdateEditPaste(CCmdUI* pCmdUI);
afx_msg void OnGraphDraw();
afx_msg void OnChangeDlgEdit();
afx_msg void OnChangeDlgCom();
afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
afx_msg void OnDataSeacher();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
#ifndef _DEBUG // debug version in DrawView.cpp
inline CDrawDoc* CDrawView::GetDocument()
{ return (CDrawDoc*)m_pDocument; }
#endif
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_DrawVIEW_H__0EFFC630_8953_11D2_AE7B_444553540000__INCLUDED_)