MFC圖形編程實(shí)驗(yàn)

1、測繪編程技術(shù)程序設(shè)計(jì)報(bào)告書設(shè)計(jì)題目： MFC圖形編程實(shí)驗(yàn) 學(xué) 號(hào)： 姓 名： 指導(dǎo)老師： 日 期： 目 錄一、需求分析11.1 設(shè)計(jì)目的11.2 設(shè)計(jì)內(nèi)容11.2.1 性能需求11.2.2 功能需求11.3環(huán)境需求1二、詳細(xì)設(shè)計(jì)12.1 MFC圖形編程原理12.2 MFC圖形編程功能模塊流程圖12.3 MFC圖形編程類圖設(shè)計(jì)22.4 MFC圖形編程類實(shí)現(xiàn)代碼32.5 MFC圖形編程類調(diào)用方法6三、界面設(shè)計(jì)63.1 界面類型選擇63.2 界面元素組織63.3 界面與類的交互6四、測試說明74.1 測試數(shù)據(jù)74.2 測試結(jié)果7五、結(jié)論8附錄A MFC圖形編程代碼（可附完整的功能類代碼）8參考文獻(xiàn)：

2、（例）12一、需求分析1.1 設(shè)計(jì)目的（1）能夠掌握指定格式文本文件的讀取與存儲(chǔ)（格式文件讀取和數(shù)值的存儲(chǔ)）（2）能正確理解計(jì)算機(jī)屏幕坐標(biāo)的定義，并能夠順利完成控制點(diǎn) 實(shí)測坐標(biāo)到屏幕坐標(biāo)的雙向轉(zhuǎn)換。（3）能利用 GDIGDI 基本函數(shù)，完成控制點(diǎn)在計(jì)算機(jī)屏幕上的繪顯示。1.2 設(shè)計(jì)內(nèi)容1.2.1 性能需求有Microsoft Visual Studio 2010及其以上版本;1.2.2 功能需求能完成COR文件的讀取和顯示1.3環(huán)境需求操作系統(tǒng)為：Microsoft Windows win7; Microsoft Visual Studio 2010;二、詳細(xì)設(shè)計(jì)2.1 MFC圖形編程原理Wi

3、ndows提供了圖形設(shè)備接口（簡稱GDI）來實(shí)現(xiàn)繪圖的功能。GDI提供了一組預(yù)定義的GDI對(duì)象，如畫筆、畫刷等，讓用戶可以在任何設(shè)備上繪圖。2.2 MFC圖形編程功能模塊流程圖圖8-12.3 MFC圖形編程類圖設(shè)計(jì)圖8-2圖8-3圖8-42.4 MFC圖形編程類實(shí)現(xiàn)代碼class Ctxbc01Doc : public CDocumentprotected: / 僅從序列化創(chuàng)建Ctxbc01Doc();DECLARE_DYNCREATE(Ctxbc01Doc)/ 特性public:/ 操作public:/ 重寫public:virtual BOOL OnNewDocument();virtua

4、l void Serialize(CArchive& ar);#ifdef SHARED_HANDLERSvirtual void InitializeSearchContent();virtual void OnDrawThumbnail(CDC& dc, LPRECT lprcBounds);#endif / SHARED_HANDLERS/ 實(shí)現(xiàn)public:virtual Ctxbc01Doc();#ifdef _DEBUGvirtual void AssertValid() const;virtual void Dump(CDumpContext& dc) c

5、onst;#endifprotected:/ 生成的消息映射函數(shù)protected:DECLARE_MESSAGE_MAP()#ifdef SHARED_HANDLERS/ 用于為搜索處理程序設(shè)置搜索內(nèi)容的 Helper 函數(shù)void SetSearchContent(const CString& value);#endif / SHARED_HANDLERS;class Ctxbc01View : public CViewprotected: / 僅從序列化創(chuàng)建Ctxbc01View();DECLARE_DYNCREATE(Ctxbc01View)/ 特性public:Ctxbc01

6、Doc* GetDocument() const;/*double ScreenHeight;double ScreenWidth;*/ 操作public:/ 重寫public:virtual void OnDraw(CDC* pDC); / 重寫以繪制該視圖virtual BOOL PreCreateWindow(CREATESTRUCT& cs);protected:virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);v

7、irtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);/ 實(shí)現(xiàn)public:virtual Ctxbc01View(); #ifdef _DEBUGvirtual void AssertValid() const;virtual void Dump(CDumpContext& dc) const;#endifprotected:/ 生成的消息映射函數(shù)protected:afx_msg void OnFilePrintPreview();afx_msg void OnRButtonUp(UINT nFlags, CPoint poi

8、nt);afx_msg void OnContextMenu(CWnd* pWnd, CPoint point);DECLARE_MESSAGE_MAP()public:afx_msg void On32771();class CMainFrame : public CFrameWndExprotected: / 僅從序列化創(chuàng)建CMainFrame();DECLARE_DYNCREATE(CMainFrame)/ 特性public:/ 操作public:/ 重寫public:virtual BOOL PreCreateWindow(CREATESTRUCT& cs);virtual B

9、OOL LoadFrame(UINT nIDResource, DWORD dwDefaultStyle = WS_OVERLAPPEDWINDOW | FWS_ADDTOTITLE, CWnd* pParentWnd = NULL, CCreateContext* pContext = NULL);/ 實(shí)現(xiàn)public:virtual CMainFrame();#ifdef _DEBUGvirtual void AssertValid() const;virtual void Dump(CDumpContext& dc) const;#endifprotected: / 控件條嵌入成

10、員CMFCMenuBar m_wndMenuBar;CMFCToolBar m_wndToolBar;CMFCStatusBar m_wndStatusBar;CMFCToolBarImages m_UserImages;/ 生成的消息映射函數(shù)protected:afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);afx_msg void OnViewCustomize();afx_msg LRESULT OnToolbarCreateNew(WPARAM wp, LPARAM lp);DECLARE_MESSAGE_MAP();2.5 MF

11、C圖形編程類調(diào)用方法CDC類是MFC設(shè)備環(huán)境類的基類三、界面設(shè)計(jì)3.1 界面類型選擇標(biāo)準(zhǔn)MFC單文檔界面 3.2 界面元素組織文件讀取菜單項(xiàng)3.3 界面與類的交互四、測試說明4.1 測試數(shù)據(jù)老師提供的MFC圖形編程實(shí)驗(yàn)配套坐標(biāo)文件（COR）圖8-54.2 測試結(jié)果圖8-6五、結(jié)論附錄A MFC圖形編程代碼（可附完整的功能類代碼）/字符串分割函數(shù)CString* SplitString(CString str , char split, int iSubStrs)int iPos = 0; /分割符位置 int iNums = 0; /分割符的總數(shù) CString strTemp = str;

12、CString strRight; /先計(jì)算子字符串的數(shù)量 while (iPos != -1) iPos = strTemp.Find(split); if (iPos = -1) break; strRight = strTemp.Mid(iPos + 1, str.GetLength(); strTemp = strRight; iNums+; if (iNums = 0) /沒有找到分割符 /子字符串?dāng)?shù)就是字符串本身 iSubStrs = 1; return NULL; /子字符串?dāng)?shù)組 iSubStrs = iNums + 1; /子串的數(shù)量 = 分割符數(shù)量 + 1 CString*

13、pStrSplit;CString S10;/ pStrSplit = new CStringiSubStrs; strTemp = str; CString strLeft; for (int i = 0; i < iNums; i+) iPos = strTemp.Find(split); /左子串 strLeft = strTemp.Left(iPos); /右子串 strRight = strTemp.Mid(iPos + 1, strTemp.GetLength(); strTemp = strRight; pStrSpliti = strLeft; pStrSplitiNum

14、s = strTemp;int k=0; for (int i = 0; i <=iNums; i+)/ if(pStrSpliti!="") Sk=pStrSpliti;k+; for (int i=0; i <k; i+) pStrSpliti=Si;/ return pStrSplit;/文件讀取函數(shù)bool LoadObsData(CString strFileName) CStdioFile sf; m_CtlPtList.RemoveAll(); try if(!sf.Open(strFileName,CFile:modeRead) /sf保存著選定

15、的cor文件路徑字符串 return false; CString strLine; /* BOOL bEOF=*/sf.ReadString(strLine);/讀取第一行 sf.ReadString(strLine); sf.ReadString(strLine); sf.ReadString(strLine); int n=0; /*CString sName; CString sX; CString sY,sH,sB;*/ while (sf.ReadString(strLine) CString* pstrData=SplitString(strLine,' ',n)

16、; /*sName=pstrData0; sX=pstrData1; sY=pstrData2; sH=pstrData3; sB=pstrData4;*/ ControlPoint pMeasPt; pMeasPt.x=_tstof(pstrData1); pMeasPt.y=_tstof(pstrData2); pMeasPt.h=0.0; pMeasPt.s=pstrData0; delete pstrData; pstrData=NULL; /* memset(pMeasPt.Name,0,16); */* wchar_t(pMeasPt.Name); */ /wchar_t(sNam

17、e.GetBuffer();/,pMeasPt.Name,sName.GetLength(); /* wcharTochar(sName.GetBuffer(),pMeasPt.Name,sName.GetLength(); */ m_CtlPtList.AddTail(pMeasPt); sf.Close(); return true; catch(CFileException *e) sf.Abort(); e->Delete(); /計(jì)算坐標(biāo)轉(zhuǎn)換比例因子void CalcScreenRealScale()if (m_RealMaxX - m_RealMinX != 0) &

18、& (m_RealMaxY - m_RealMinY != 0) m_scaleX = fabs(m_RealMaxX - m_RealMinX) / ScreenHeight); m_scaleY = fabs(m_RealMaxY - m_RealMinY) / ScreenWidth); m_scale = max(m_scaleX, m_scaleY); else if (m_RealMaxX - m_RealMinX != 0) m_scale = fabs(m_RealMaxX - m_RealMinX) / ScreenHeight); else if (m_RealMaxY - m_RealMinY != 0) m_scale = fa