VC++课程设计--基于MFC的模拟时钟.doc

计科2011级VC+课程设计实验报告 题目：基于MFC的模拟时钟 班级：计科1104班 学号：1108030429 姓名：张宝龙 日期：2014/1/7课程设计实验报告1、题目：基于MFC的模拟时钟2、编程要点： 制作时钟的过程中，首先给时钟创建一个基类CClockElement,还需要派生类CClockBackground,CClockHourHand,CClockMinHand,CClockSecHand分别控制时钟的背景，时钟的时针，分针，秒针。3、实现过程：（1） 工程、风格、控件与变量表 本时钟是基本对话框的时钟，界面简约，便于使用。控件控件名控件类型Clock静态文本变量表变量名类型m_crMainCOLORREFm_crOtherCOLORREFm_tmCurCTimem_rcRegionCRectm_nRadiusintm_clockBKCClockBackgroundm_clockHourCClockHourHandm_clockMinCClockMinHandm_clockSecCClockSecHandm_rcClientCRectm_ClockCClockEX（2） 主要功能程序代码 CClockBackground:CClockBackground() /为时钟背景定义默认的颜色设置m_crMain=RGB(0,0,255);m_crOther=RGB(0,255,0);void CClockBackground:Draw(CDC *pDC)/设置准备环境CPen penMain(PS_SOLID,1,m_crMain),penOther(PS_SOLID,1,m_crOther);CBrush brMain(m_crMain),brOther(m_crOther);CPen *pOldPen=pDC-SelectObject(&penOther);CBrush *pOldBrush=pDC-SelectObject(&brMain);CPoint ptCenter=m_rcRegion.CenterPoint();int nRadius=m_nRadius-8;for(int i=0;iEllipse(rcDot);/绘制12个小方框,表示12个正点pDC-SelectObject(&penMain);pOldBrush=pDC-SelectObject(&brOther);for(i=0;iRectangle(rcDot);/huanyuan设备环境pDC-SelectObject(pOldPen);pDC-SelectObject(pOldBrush);CClockHourHand:CClockHourHand() /定义默认颜色m_crMain=RGB(0,0,128);m_crOther=RGB(128,128,0);void CClockHourHand:Draw(CDC *pDC)/设置准备环境CPen penMain(PS_SOLID,1,m_crMain),penOther(PS_SOLID,1,m_crOther);CBrush brMain(m_crMain),brOther(m_crOther);CPen *pOldPen=pDC-SelectObject(&penOther);CBrush *pOldBrush=pDC-SelectObject(&brMain);/确定当前指针的弧度int nTime=(m_tmCur.GetHour()%12)*3600;nTime+=m_tmCur.GetMinute()*60;nTime+=m_tmCur.GetSecond();double fRadian=2*PI*nTime/3600/12;/确定绘制菱形指针所需的四个角的坐标CPoint ptDiamond4;for(int i=0;iPolygon(ptDiamond,4);/huanyuan设备环境pDC-SelectObject(pOldPen);pDC-SelectObject(pOldBrush);CClockMinHand:CClockMinHand()/定义默认颜色 m_crMain=RGB(0,255,100);m_crOther=RGB(128,128,0);void CClockMinHand:Draw(CDC *pDC)/设置准备环境CPen penMain(PS_SOLID,1,m_crMain),penOther(PS_SOLID,1,m_crOther);CBrush brMain(m_crMain),brOther(m_crOther);CPen *pOldPen=pDC-SelectObject(&penOther);CBrush *pOldBrush=pDC-SelectObject(&brMain);/确定分针所在位置的弧度int nTime=m_tmCur.GetMinute()*60;nTime+=m_tmCur.GetSecond();double fRadian=2*PI*nTime/3600;/确定绘制菱形指针所需的四个角的坐标CPoint ptDiamond4;for(int i=0;iPolygon(ptDiamond,4);/huanyuan设备环境pDC-SelectObject(pOldPen);pDC-SelectObject(pOldBrush);CClockSecHand:CClockSecHand()/设定秒针的默认颜色 m_crMain=RGB(0,200,200);m_crOther=RGB(0,200,200);void CClockSecHand:Draw(CDC *pDC)int nTime=m_tmCur.GetSecond();CPoint ptStart=m_rcRegion.CenterPoint();CPoint ptEnd=ptStart;int nRadius=m_nRadius-10;ptEnd.Offset(int)(nRadius*sin(2*PI*nTime/60),(int)(-nRadius*cos(2*PI*nTime/60);CPen penMain(PS_SOLID,1,m_crMain);CPen*pOldPen=pDC-SelectObject(&penMain);pDC-MoveTo(ptStart);pDC-LineTo(ptEnd);pDC-SelectObject(pOldPen);void CClockEX:OnTimer(UINT nIDEvent) Invalidate(FALSE);CStatic:OnTimer(nIDEvent);void CClockEX:OnSize(UINT nType, int cx, int cy) CStatic:OnSize(nType, cx, cy);GetClientRect(m_rcClient); /获取当前客户区m_clockBK.SetRegion(m_rcClient);m_clockHour.SetRegion(m_rcClient);m_clockMin.SetRegion(m_rcClient);m_clockSec.SetRegion(m_rcClient);void CClockEX:OnPaint() CPaintDC dc(this); / device context for painting/实现双缓冲绘图-防止屏幕闪烁CDC dcMem;dcMem.CreateCompatibleDC(&dc);CBitmap bmp;bmp.CreateCompatibleBitmap(&dc,m_rcClient.Width(),m_rcClient.Height();dcMem.SelectObject(&bmp);DrawClock(&dcMem); /绘制时钟dc.BitBlt(0,0,m_rcClient.Width(),m_rcClient.Height(),&dcMem,0,0,SRCCOPY);void CClockEX:PreSubclassWindow() GetClientRect(m_rcClient); /获取当前客户区m_clockBK.SetRegion(m_rcClient);m_clockHour.SetRegion(m_rcClient);m_clockMin.SetRegion(m_rcClient);m_clockSec.SetRegion(m_rcClient);SetTimer(1,100,NULL);CStatic:PreSubclassWindow();void CClockEX:DrawClock(CDC *pDC)CTime tmCur=CTime:GetCurrentTime();m_clockBK.SetTime(tmCur);m_clockHour.SetTime(tmCur);m_clockMin.SetTime(tmCur);m_clockSec.SetTime(tmCur);m_clockBK.Draw(pDC);m_clockHour.Draw(pDC);m_clockMin.Draw(pDC);m_clockSec.Draw(pDC);CClockElement:CClockElement() m_nRadius=0; m_crMain=RGB(255,0,0); m_crOther=RGB(128,128,0);void CClockElement:SetRegion(LPRECT lprcRect) m_rcRegion=lprcRect; m_nRadius=m_rcRegion.Width()/2; if(m_rcRegion.Width()m_rcRegion.Height() m_nRadius=m_rcRegion.Height()/2; void CClockElement:SetTime(const CTime &tmCur)m_tmCur=tmCur;void CClockElement:SetColor(COLORREF crMain,COLORREF crOther) m_crMain=crMain; m_crOther=crOther;4、运行效果展示：5、自我总结： 该小程序是基于MFC中的对话框的，主要针对画笔和画刷的用法，没有涉及连接数据库和算法，完全是为了本学期所学知识的运用，由于时间紧，所以没能深入的探索MFC的奥妙，不过通过本次设计，我对老师课堂上所讲述的关于该类型的知识，有了进一步的了解和掌握，初步的熟悉了画笔和画刷的简单用法，还巩固了MFC类中的基本操作，例如，添加新类，新变量，创建新的