Windows指针时钟程序

#include <windows.h> #include "math.h" //#include "../wcontrol.h" #include "resource.h" #define WATCH_CLSNAME "Watch - PC Assistant" //定义使用中文语言字符。 #define CHINESE_LANGUAGE void CenterWindows(HWND hWnd) { RECT rc; GetWindowRect (hWnd,&rc); int w=rc.right-rc.left; int h=rc.bottom-rc.top; int scrX=(int)GetSystemMetrics(SM_CXSCREEN); int scrY=(int)GetSystemMetrics(SM_CYSCREEN); MoveWindow(hWnd,(scrX-w)/2,(scrY-h)/2,w,h,TRUE); } void ResizeDlgClientSize(HWND hWnd,int w,int h) { RECT rc; rc.left=rc.top=0; rc.right=w; rc.bottom=h; AdjustWindowRectEx(&rc,GetWindowLong(hWnd, GWL_STYLE),GetMenu(hWnd)!=NULL,GetWindowLong(hWnd,GWL_EXSTYLE)); SetWindowPos(hWnd,NULL,0,0,rc.right-rc.left,rc.bottom-rc.top,SWP_NOZORDER|SWP_NOMOVE|SWP_NOACTIVATE); } const RECT BaseRc[12] = { {61,0,65,4,}, {91,8,95,12,}, {114,30,118,34,}, {122,61,126,65,}, {114,92,118,96,}, {91,114,95,118,}, {61,122,65,126,}, {30,114,34,118,}, {8,91,12,95,}, {0,61,4,65,}, {8,30,12,34,}, {31,8,35,12,}, }; HINSTANCE g_hInstance = NULL; class CWatch { public: HWND m_hWnd; HMENU m_hPopMenu;//右键弹出菜单的句柄。 HRGN m_hRgn; HRGN m_hRgnBase; HRGN m_hRgnHour; HRGN m_hRgnMinute; HRGN m_hRgnSecond; POINT ptSecond[4]; POINT ptMinute[4]; POINT ptHour[4]; int m_WndInClientX,m_WndInClientY; POINT m_MouseDownPt; bool m_IfMoveWnd; CWatch(); ~CWatch(); void InitWatch(HWND hWnd); void OnMouseMove(int flag,int x,int y); void OnLButtonDown(int flag,int x,int y); void OnLButtonUp(int flag,int x,int y); void OnRButtonDown(int flag,int x,int y); void Timer(); void OnEraseBkgnd(HWND hWnd,HDC hDc); HPEN m_hPen1; HPEN m_hPen2; HBRUSH m_hBrush; HPEN m_hPenPine[3][2]; HBRUSH m_hBrushPine[3][2]; void DrawPine(HDC hDc,POINT *pt,int index); }; CWatch::CWatch() { m_IfMoveWnd = false; m_hPopMenu = NULL; m_hRgn = NULL; m_hRgnBase = NULL; m_hRgnHour = NULL; m_hRgnMinute = NULL; m_hRgnSecond = NULL; m_hPen1 = CreatePen(PS_SOLID,0,RGB(0,255,255)); m_hPen2 = CreatePen(PS_SOLID,0,RGB(0,0,0)); m_hBrush = CreateSolidBrush( RGB(0,150,150) ); COLORREF c,color[3] = { RGB(230,60,60), RGB(163,103,60), RGB(60,128,50),}; for(int j=0;j<3;j++) { c = color[j]; m_hPenPine[j][0] = CreatePen(PS_SOLID,0,c); m_hBrushPine[j][0] = CreateSolidBrush( c ); c = c-RGB(50,50,50); m_hPenPine[j][1] = CreatePen(PS_SOLID,0,c); m_hBrushPine[j][1] = CreateSolidBrush( c ); } } CWatch::~CWatch() { if( m_hPopMenu )DestroyMenu( m_hPopMenu ); if( m_hRgn )DeleteObject( m_hRgn ); if( m_hRgnBase )DeleteObject( m_hRgnBase ); if( m_hRgnHour )DeleteObject( m_hRgnHour ); if( m_hRgnMinute )DeleteObject( m_hRgnMinute ); if( m_hRgnSecond )DeleteObject( m_hRgnSecond ); DeleteObject( m_hPen1 ); DeleteObject( m_hPen2 ); DeleteObject( m_hBrush ); int i,j; for(j=0;j<3;j++)for(i=0;i<2;i++) { DeleteObject( m_hPenPine[j][i] ); DeleteObject( m_hBrushPine[j][i] ); } } /*≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ □---时钟初始化处理。------- ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡*/ void CWatch::InitWatch(HWND hWnd) { m_hWnd = hWnd; m_hPopMenu = LoadMenu(g_hInstance,MAKEINTRESOURCE(IDR_MENU_WATCH)); #ifdef CHINESE_LANGUAGE ModifyMenu(m_hPopMenu, IDM_ABOUT, MF_STRING, IDM_ABOUT,"关于电脑助理"); ModifyMenu(m_hPopMenu, IDM_EXIT, MF_STRING, IDM_EXIT,"退出"); #endif ResizeDlgClientSize(hWnd,126,126); RECT rc; GetWindowRect(hWnd, &rc); MapWindowPoints(NULL, hWnd, (LPPOINT)&rc, 2); int a=rc.left,b=rc.top; m_WndInClientX=a; m_WndInClientY=b; int i; m_hRgnBase = CreateRectRgn(BaseRc[0].left,BaseRc[0].top,BaseRc[0].right,BaseRc[0].bottom); HRGN hRgn2; for(i=1;i<12;i++) { hRgn2 = CreateRectRgn(BaseRc[i].left,BaseRc[i].top,BaseRc[i].right,BaseRc[i].bottom); CombineRgn( m_hRgnBase,m_hRgnBase,hRgn2,RGN_OR ); DeleteObject( hRgn2 ); } //hRgn2 = CreateEllipticRgn(57,57,71,71); //CombineRgn( m_hRgnBase,m_hRgnBase,hRgn2,RGN_OR ); //DeleteObject( hRgn2 ); OffsetRgn(m_hRgnBase,-a,-b); Timer(); CenterWindows(hWnd); } void CWatch::OnMouseMove(int flag,int x,int y) { //移动窗口。 if(m_IfMoveWnd) { POINT pt; GetCursorPos(&pt); RECT rc; GetWindowRect(m_hWnd, &rc); if(flag&MK_LBUTTON) { MoveWindow(m_hWnd, pt.x-m_MouseDownPt.x+m_WndInClientX, pt.y-m_MouseDownPt.y+m_WndInClientY, rc.right-rc.left, rc.bottom-rc.top, TRUE); } } } void CWatch::OnLButtonDown(int flag,int x,int y) { //获得鼠标状态。 m_MouseDownPt.x=x; m_MouseDownPt.y=y; m_IfMoveWnd = true; SetCapture(m_hWnd); } void CWatch::OnLButtonUp(int flag,int x,int y) { if(m_IfMoveWnd) { m_IfMoveWnd = false; ReleaseCapture(); } } void CWatch::OnRButtonDown(int flag,int x,int y) { if(m_hPopMenu) { POINT pt; GetCursorPos(&pt); HMENU hMenu = GetSubMenu (m_hPopMenu, 0); TrackPopupMenu( hMenu, 0, pt.x, pt.y, 0, m_hWnd, NULL); } } void CWatch::DrawPine(HDC hDc,POINT *pt,int index) { SelectObject( hDc, m_hPenPine[index][0] ); SelectObject(hDc,m_hBrushPine[index][0]); //绘制。 Polygon(hDc,pt,4); SelectObject( hDc, m_hPenPine[index][1] ); SelectObject(hDc,m_hBrushPine[index][1]); Polygon(hDc,pt,3); } #define ORIGIN_X 63//手表图案中心点的X坐标 #define ORIGIN_Y 63//手表图案中心点的Y坐标 #define RADIUS_HOUR 33//手表的时针长度 #define RADIUS_MINUTE 44//手表的分针长度 #define RADIUS_SECOND 50//手表的秒针长度 #define RADIAN 0.0174532925 void AddRgnLine(HRGN hRgn,long x1,long y1,long x2,long y2) { int x,y; int m,n,dx,dy,x_inc,y_inc,i,error,offset; error=0; offset=(y1<<8)+x1; dx=x2-x1; dy=y2-y1; if(dx>=0)x_inc=1; else { x_inc=-1; dx=-dx; } if(dy>=0)y_inc=256; else { y_inc=-256; dy=-dy; } m=(dx>>1);n=(dy>>1); if(dx>dy) { for(i=0;i<=dx;i++) { { x= (offset&0x00ff); y = (offset>>8); HRGN hRgn1 = CreateRectRgn(x,y,x+1,y+1); CombineRgn( hRgn,hRgn,hRgn1,RGN_OR ); DeleteObject( hRgn1 ); } error+=dy; if(error>m) { error-=dx; offset+=y_inc; } offset+=x_inc; } } else { for(i=0;i<=dy;i++) { { x= (offset&0x00ff); y = (offset>>8); HRGN hRgn1 = CreateRectRgn(x,y,x+1,y+1); CombineRgn( hRgn,hRgn,hRgn1,RGN_OR ); DeleteObject( hRgn1 ); } error+=dx; if(error>n) { error-=dy; offset+=x_inc; } offset+=y_inc; } } } void CWatch::Timer() { double angle; //得到时间。 SYSTEMTIME Time; GetLocalTime(&Time); //得到秒针的端点坐标。 angle=(Time.wSecond*6)*RADIAN; ptSecond[0].x = (int)(RADIUS_SECOND*sin(angle))+ORIGIN_X; ptSecond[0].y = (int)(RADIUS_SECOND*(-cos(angle)))+ORIGIN_Y; double aa = 1.4*cos(angle); double bb = 1.4*sin(angle); int mm = (int)aa; if(aa - mm > 0.5) mm++; int nn = (int)bb; if(bb - nn > 0.5) nn++; ptSecond[1].x = mm+ORIGIN_X; ptSecond[1].y = nn+ORIGIN_Y; ptSecond[2].x = ORIGIN_X-(int)(6*sin(angle)); ptSecond[2].y = ORIGIN_Y+(int)(6*cos(angle)); ptSecond[3].x = -ptSecond[1].x +2*ORIGIN_X; ptSecond[3].y = -ptSecond[1].y +2*ORIGIN_Y; //得到分针的端点坐标。 angle = Time.wMinute*6*RADIAN; ptMinute[0].x = (int)(RADIUS_MINUTE*sin(angle))+ORIGIN_X; ptMinute[0].y = (int)(RADIUS_MINUTE*(-cos(angle)))+ORIGIN_Y; ptMinute[1].x = (int)(5*cos(angle))+ORIGIN_X; ptMinute[1].y = (int)(5*sin(angle))+ORIGIN_Y; ptMinute[3].x = -ptMinute[1].x +2*ORIGIN_X; ptMinute[3].y = -ptMinute[1].y +2*ORIGIN_Y; ptMinute[2].x = ORIGIN_X-(int)(10*sin(angle)); ptMinute[2].y = ORIGIN_Y+(int)(10*cos(angle)); //得到时针的端点坐标。 angle = (Time.wHour%12*30+(Time.wMinute/12)*6)*RADIAN; ptHour[0].x = (int)(RADIUS_HOUR*sin(angle))+ORIGIN_X; ptHour[0].y = (int)(RADIUS_HOUR*(-cos(angle)))+ORIGIN_Y; ptHour[