vc++时钟代码在此下载 圆形

//Download by http://www.NewXing.com /*-------------------------------------- CLOCK.C -- Analog Clock Program --------------------------------------*/ //时钟的每整点的时间数字显示出来,并在时钟内显示出当前的年月日, //同时分针,时针,秒针用不同画笔和画刷填充不同(颜色自己选定). #include <windows.h> #include <math.h> #define ID_TIMER 1 #define TWOPI (2 * 3.14159) void DisplayDigit (HDC hdc, int iNumber) { static BOOL fSevenSegment [10][7] = //0~9数字的排布 { 1, 1, 1, 0, 1, 1, 1, // 0 0, 0, 1, 0, 0, 1, 0, // 1 1, 0, 1, 1, 1, 0, 1, // 2 1, 0, 1, 1, 0, 1, 1, // 3 0, 1, 1, 1, 0, 1, 0, // 4 1, 1, 0, 1, 0, 1, 1, // 5 1, 1, 0, 1, 1, 1, 1, // 6 1, 0, 1, 0, 0, 1, 0, // 7 1, 1, 1, 1, 1, 1, 1, // 8 1, 1, 1, 1, 0, 1, 1 // 9 } ; static POINT ptSegment [7][6] = { 7, 6, 11, 2, 31, 2, 35, 6, 31, 10, 11, 10, 6, 7, 10, 11, 10, 31, 6, 35, 2, 31, 2, 11, 36, 7, 40, 11, 40, 31, 36, 35, 32, 31, 32, 11, 7, 36, 11, 32, 31, 32, 35, 36, 31, 40, 11, 40, 6, 37, 10, 41, 10, 61, 6, 65, 2, 61, 2, 41, 36, 37, 40, 41, 40, 61, 36, 65, 32, 61, 32, 41, 7, 66, 11, 62, 31, 62, 35, 66, 31, 70, 11, 70 } ; int iSeg ; for (iSeg = 0 ; iSeg < 7 ; iSeg++) if (fSevenSegment [iNumber][iSeg]) Polygon (hdc, ptSegment [iSeg], 6) ; } void DisplayTwoDigits (HDC hdc, int iNumber) //输出2个数 { DisplayDigit (hdc, iNumber/10) ; OffsetWindowOrgEx (hdc, -50, 0, NULL) ; DisplayDigit (hdc, iNumber % 10) ; OffsetWindowOrgEx (hdc, -150, 0, NULL) ; } void DisplayyearTime(HDC hdc) //显示日期 { SYSTEMTIME st ; GetLocalTime (&st) ; DisplayTwoDigits (hdc, (st.wYear%=10)?st.wYear:10) ;//显示年 DisplayTwoDigits (hdc, st.wMonth) ; //显示月 DisplayTwoDigits (hdc, st.wDay) ;//显示日 } LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ; int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { static TCHAR szAppName[] = TEXT ("Clock") ; HWND hwnd; MSG msg; WNDCLASS wndclass ; wndclass.style = CS_HREDRAW | CS_VREDRAW ; wndclass.lpfnWndProc = WndProc ; wndclass.cbClsExtra = 0 ; wndclass.cbWndExtra = 0 ; wndclass.hInstance = hInstance ; wndclass.hIcon = NULL ; wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ; wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ; wndclass.lpszMenuName = NULL ; wndclass.lpszClassName = szAppName ; if (!RegisterClass (&wndclass)) { MessageBox (NULL, TEXT ("Program requires Windows NT!"), szAppName, MB_ICONERROR) ; return 0 ; } hwnd = CreateWindow (szAppName, TEXT ("时钟示例"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL) ; ShowWindow (hwnd, iCmdShow) ; UpdateWindow (hwnd) ; while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg) ; DispatchMessage (&msg) ; } return msg.wParam ; } void SetIsotropic (HDC hdc, int cxClient, int cyClient) { SetMapMode (hdc, MM_ISOTROPIC) ; SetWindowExtEx (hdc, 1000, 1000, NULL) ; SetViewportExtEx (hdc, cxClient / 2, -cyClient / 2, NULL) ; SetViewportOrgEx (hdc, cxClient / 2, cyClient / 2, NULL) ; } void RotatePoint (POINT pt[], int iNum, int iAngle) { int i ; POINT ptTemp ; for (i = 0 ; i < iNum ; i++) { ptTemp.x = (int) (pt[i].x * cos (TWOPI * iAngle / 360) + pt[i].y * sin (TWOPI * iAngle / 360)) ; ptTemp.y = (int) (pt[i].y * cos (TWOPI * iAngle / 360) - pt[i].x * sin (TWOPI * iAngle / 360)) ; pt[i] = ptTemp ; } } void DrawClock (HDC hdc) //画表盘 { int iAngle ; POINT pt[3] ; HBRUSH hb; int tm[12]={12,1,2,3,4,5,6,7,8,9,10,11}; HFONT hf; hb=CreateSolidBrush(RGB(250,0,0)); hf=CreateFont(80,80,0,0,0,0,0,0,0,0,0,0,0,0); SelectObject(hdc,hb); SelectObject(hdc,hf); for (iAngle = 0 ; iAngle < 360 ; iAngle += 6) { pt[0].x = 0 ; pt[0].y = 900 ; RotatePoint (pt, 1, iAngle) ; pt[2].x = pt[2].y = iAngle % 5 ? 33 : 100 ; pt[0].x -= pt[2].x / 2 ; pt[0].y -= pt[2].y / 2 ; pt[1].x = pt[0].x + pt[2].x ; pt[1].y = pt[0].y + pt[2].y ; if (iAngle==0) //这里，我试着把1—12存在数组中再读出的方式输出表盘上的点数 { TextOut(hdc,pt[0].x-50,pt[1].y,"1",1); //但是失败了，只有用笨办法一个字符一 TextOut(hdc,pt[0].x+30,pt[1].y,"2",1); //个字符的输出 }//输出12 else if (iAngle==30) TextOut(hdc,pt[0].x,pt[1].y,"1",1);//输出1 else if (iAngle==60) TextOut(hdc,pt[0].x,pt[1].y,"2",1); else if (iAngle==90) TextOut(hdc,pt[0].x,pt[1].y,"3",1); else if (iAngle==120) TextOut(hdc,pt[0].x,pt[1].y,"4",1); else if (iAngle==150) TextOut(hdc,pt[0].x,pt[1].y,"5",1); else if (iAngle==180) TextOut(hdc,pt[0].x,pt[1].y,"6",1); else if (iAngle==210) TextOut(hdc,pt[0].x,pt[1].y,"7",1); else if (iAngle==240) TextOut(hdc,pt[0].x,pt[1].y,"8",1); else if (iAngle==270) TextOut(hdc,pt[0].x,pt[1].y,"9",1); else if (iAngle==300) { TextOut(hdc,pt[0].x-50,pt[1].y,"1",1);//输出10 TextOut(hdc,pt[0].x+30,pt[1].y,"0",1); } else if (iAngle==330) //11 { TextOut(hdc,pt[0].x-50,pt[1].y,"1",1); TextOut(hdc,pt[0].x+30,pt[1].y,"1",1); } else Ellipse (hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y) ; //画点 } DeleteObject(hf); DeleteObject(hb); } void DrawHands (HDC hdc, SYSTEMTIME * pst, BOOL fChange) //画指针 { static POINT pt[3][5] = { 0, -150, 100, 0, 0, 600, -100, 0, 0, -150, 0, -200, 50, 0, 0, 800, -50, 0, 0, -200, 0, 0, 0, 0, 0, 0, 0, 0, 0, 800 } ; int i, iAngle[3] ; POINT ptTemp[3][5] ; HBRUSH hb1,hb2; HPEN hp; hb1=CreateSolidBrush(RGB(0,250,0)); hb2=CreateSolidBrush(RGB(0,0,250)); hp=CreatePen(PS_SOLID,1,RGB(50,250,0)); iAngle[0] = (pst->wHour * 30) % 360 + pst->wMinute / 2 ; iAngle[1] = pst->wMinute * 6 ; iAngle[2] = pst->wSecond * 6 ; memcpy (ptTemp, pt, sizeof (pt)) ; for (i = fChange ? 0 : 2 ; i < 3 ; i++) { if(i==0) { SelectObject(hdc,hb1); //上色 SelectObject(hdc,hp); } if(i==1) { SelectObject(hdc,hb2); SelectObject(hdc,hp); } RotatePoint (ptTemp[i], 5, iAngle[i]) ; Polygon (hdc, ptTemp[i], 5) ; } DeleteObject(hb1); DeleteObject(hb2); } LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { static int cxClient, cyClient ; static SYSTEMTIME stPrevious ; BOOL fChange ; HDC hdc ; PAINTSTRUCT ps ; SYSTEMTIME st ; HBRUSH hbr; switch (message) { case WM_CREATE : SetTimer (hwnd, ID_TIMER, 1000, NULL) ; GetLocalTime (&st) ; stPrevious = st ; return 0 ; case WM_SIZE : cxClient = LOWORD (lParam) ; cyClient = HIWORD (lParam) ; return 0 ; case WM_TIMER : GetLocalTime (&st) ; fChange = st.wHour != stPrevious.wHour || st.wMinute != stPrevious.wMinute ; hdc = GetDC (hwnd) ; SetIsotropic (hdc, cxClient, cyClient) ; // SelectObject (hdc, GetStockObject (WHITE_PEN)) ; // DrawHands (hdc, &stPrevious, fChange) ; SelectObject (hdc, GetStockObject (BLACK_PEN)) ; DrawHands (hdc, &st, TRUE) ; ReleaseDC (hwnd, hdc) ; stPrevious = st ; InvalidateRect (hwnd, NULL, TRUE) ;//用了刷新就可以不用白色指针覆盖 return 0 ; case WM_PAINT : hdc = BeginPaint (hwnd, &ps) ; SetIsotropic (hdc, cxClient, cyClient) ; DrawClock (hdc) ; DrawHands (hdc, &stPrevious, TRUE) ; SetMapMode (hdc, MM_ISOTROPIC) ; SetWindowExtEx (hdc, 276*5, 72*3, NULL) ; SetViewportExtEx (hdc, cxClient, cyClient, NULL