VC++奥运五环小程序

#include <windows.h> #include <stdlib.h> #include <string.h> #include <math.h> #define Pi 3.1415926 int nMode; bool Change=true; long WINAPI WndProc(HWND hWnd,UINT iMessage,UINT wParam,LONG lParam); //窗口函数声明 BOOL InitWindowsClass(HINSTANCE hInstance); BOOL InitWindows(HINSTANCE hInstance,int nCmdShow); int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,LPSTR lpCmdLine, int nCmdShow) //主函数开始 { MSG Message; if(!InitWindowsClass(hInstance)) return FALSE; if(!InitWindows(hInstance,nCmdShow)) return FALSE; while(GetMessage(&Message,0,0,0)) //消息循环 { TranslateMessage(&Message); DispatchMessage(&Message); } return Message.wParam; } long WINAPI WndProc(HWND hWnd,UINT iMessage,UINT wParam,LONG lParam); double dfRange=100.0; //五个环的半径 long i=0,j=0; long lCentreX1=0,lCentreY1=0,lCentreX2=0,lCentreY2=0, lCentreX3=0,lCentreY3=0,lCentreX4=0,lCentreY4=0,lCentreX5=0,lCentreY5=0; //定义小圆心坐标 POINT lpRnd1[100],lpRnd2[100],lpRnd3[100],lpRnd4[100],lpRnd5[100]; //定义五个环上的点坐标 long WINAPI WndProc(HWND hWnd,UINT iMessage,UINT wParam,LONG lParam) { HDC hDC; HBRUSH hBrush; HPEN hPen; PAINTSTRUCT PtStr; switch(iMessage) { case WM_PAINT: //处理绘图消息 hDC=BeginPaint(hWnd,&PtStr); SetWindowOrgEx(hDC,0,0,NULL); //设置原点坐标 hBrush=(HBRUSH)GetStockObject(HOLLOW_BRUSH); SelectObject(hDC,hBrush); hPen=CreatePen(PS_INSIDEFRAME,5,RGB(0,0,255)); SelectObject(hDC,hPen); //选入画笔 Ellipse(hDC,100,100,300,300); hPen=CreatePen(PS_INSIDEFRAME,5,RGB(0,0,0)); SelectObject(hDC,hPen); Ellipse(hDC,250,100,450,300); hPen=CreatePen(PS_INSIDEFRAME,5,RGB(255,0,0)); SelectObject(hDC,hPen); Ellipse(hDC,400,100,600,300); hPen=CreatePen(PS_INSIDEFRAME,5,RGB(255,255,0)); SelectObject(hDC,hPen); Ellipse(hDC,175,250,375,450); hPen=CreatePen(PS_INSIDEFRAME,5,RGB(0,255,0)); SelectObject(hDC,hPen); Ellipse(hDC,325,250,525,450); //第1个环上 hPen=CreatePen(PS_INSIDEFRAME,1,RGB(0,0,255)); SelectObject(hDC,hPen); //选入画笔 hBrush=CreateSolidBrush(RGB(0,0,255)); SelectObject(hDC,hBrush); //选入画刷 lCentreX1=lpRnd1[i].x; //圆心x坐标 lCentreY1=lpRnd1[i].y; //圆心y坐标 Ellipse(hDC,lCentreX1-20,lCentreY1-20,lCentreX1+20,lCentreY1+20); //画圆 //第2个环上 hPen=CreatePen(PS_INSIDEFRAME,1,RGB(0,0,0)); SelectObject(hDC,hPen); //选入画笔 hBrush=CreateSolidBrush(RGB(0,0,0)); SelectObject(hDC,hBrush); //选入画刷 lCentreX2=lpRnd2[i].x; //圆心x坐标 lCentreY2=lpRnd2[i].y; //圆心y坐标 Ellipse(hDC,lCentreX2-20,lCentreY2-20,lCentreX2+20,lCentreY2+20); //画圆 //第3个环上 hPen=CreatePen(PS_INSIDEFRAME,1,RGB(255,0,0)); SelectObject(hDC,hPen); //选入画笔 hBrush=CreateSolidBrush(RGB(255,0,0)); SelectObject(hDC,hBrush); //选入画刷 lCentreX3=lpRnd3[i].x; //圆心x坐标 lCentreY3=lpRnd3[i].y; //圆心y坐标 Ellipse(hDC,lCentreX3-20,lCentreY3-20,lCentreX3+20,lCentreY3+20); //画圆 //第4个环上 hPen=CreatePen(PS_INSIDEFRAME,1,RGB(255,255,0)); SelectObject(hDC,hPen); //选入画笔 hBrush=CreateSolidBrush(RGB(255,255,0)); SelectObject(hDC,hBrush); //选入画刷 lCentreX4=lpRnd4[i].x; //圆心x坐标 lCentreY4=lpRnd4[i].y; //圆心y坐标 Ellipse(hDC,lCentreX4-20,lCentreY4-20,lCentreX4+20,lCentreY4+20); //画圆 //第5个环上 hPen=CreatePen(PS_INSIDEFRAME,1,RGB(0,255,0)); SelectObject(hDC,hPen); //选入画笔 hBrush=CreateSolidBrush(RGB(0,255,0)); SelectObject(hDC,hBrush); //选入画刷 lCentreX5=lpRnd5[i].x; //圆心x坐标 lCentreY5=lpRnd5[i].y; //圆心y坐标 Ellipse(hDC,lCentreX5-20,lCentreY5-20,lCentreX5+20,lCentreY5+20); //画圆 if(Change==1)i++; if(Change==0)i--; if(i>98)Change=0; if(i<1)Change=1; DeleteObject(hPen); //删除画笔 DeleteObject(hBrush); //删除画刷 EndPaint(hWnd,&PtStr); //删除设备环境指针 Sleep(80); //停0.08秒 InvalidateRect(hWnd,NULL,1); //刷新用户区 return 0; case WM_DESTROY: //关闭窗口. PostQuitMessage(0); return 0; default: return (DefWindowProc(hWnd,iMessage,wParam,lParam)); } } //初始化窗口函数的定义 BOOL InitWindows(HINSTANCE hInstance,int nCmdShow) //初始化窗口 { HWND hWnd; hWnd=CreateWindow("WinFill", //生成窗口 "诠释五环", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if(!hWnd) return FALSE; ShowWindow(hWnd,nCmdShow); //显示窗口 UpdateWindow(hWnd); //刷新窗口 for(int j=0;j<100;j++) //生成环1的点坐标 { lpRnd1[j].x=(long)(200+dfRange*cos(j*2*Pi/100)); lpRnd1[j].y=(long)(200+dfRange*sin(j*2*Pi/100)); } for(int k=0;k<100;k++) //生成环2的点坐标 { lpRnd2[k].x=(long)(350+dfRange*cos(k*2*Pi/100)); lpRnd2[k].y=(long)(200+dfRange*sin(k*2*Pi/100)); } for(int l=0;l<100;l++) //生成环3的点坐标 { lpRnd3[l].x=(long)(500+dfRange*cos(l*2*Pi/100)); lpRnd3[l].y=(long)(200+dfRange*sin(l*2*Pi/100)); } for(int m=0;m<100;m++) //生成环4的点坐标 { lpRnd4[m].x=(long)(275+dfRange*cos(m*2*Pi/100)); lpRnd4[m].y=(long)(350+dfRange*sin(m*2*Pi/100)); } for(int n=0;n<100;n++) //生成环5的点坐标 { lpRnd5[n].x=(long)(425+dfRange*cos(n*2*Pi/100)); lpRnd5[n].y=(long)(350+dfRange*sin(n*2*Pi/100)); } return TRUE; } //初始化窗口类函数的定义 BOOL InitWindowsClass(HINSTANCE hInstance) { WNDCLASS WndClass; WndClass.cbClsExtra=0; WndClass.cbWndExtra=0; WndClass.hbrBackground=CreateSolidBrush(RGB(150,255,200)); WndClass.hCursor=LoadCursor(NULL,IDC_ARROW); WndClass.hIcon=LoadIcon(NULL,"END"); WndClass.hInstance=hInstance; WndClass.lpfnWndProc=WndProc; WndClass.lpszClassName="WinFill"; WndClass.lpszMenuName=NULL; WndClass.style=CS_HREDRAW|CS_VREDRAW; return RegisterClass(&WndClass); }