opencv函数制作的时钟模型

http://www.cnblogs.com/sytu/p/4192652.html

在秒针模型的基础上添加了分针和时针，并且添加了暂停控件和设置时间的功能。

 #include"cv.h"
 #include"highgui.h"
 int run = ;
 void Stop_Run_onclick(int event,int x,int y,int flags,void* param)
 {
     switch (event)
     {
     case CV_EVENT_LBUTTONDOWN:{
                                   if (x< && x> && y< && y>)
                                   {
                                       run = !run;
                                     }
     }
     default:
         break;
     }
 }
 void Drwan_button(IplImage* plane)
 {
     //画按钮
     cvRectangle(plane, cvPoint(, ), cvPoint(, ), cvScalar(, , ), );
     cvSetImageROI(plane, cvRect(, , , ));
     cvZero(plane);
     cvFloodFill(plane,cvPoint(,),cvScalarAll(),cvScalarAll());
     cvResetImageROI(plane);
     if (run)
     cvPutText(plane, "StopTime", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     else
     {
         cvPutText(plane, "RunTime", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     }
 }
 double PIZHI(int count)
 {
     return *(1.0*count / 60.0 * 3.1415926);
 }
 int main()
 {
     IplImage* Plane = cvCreateImage(cvSize(,),,);
     cvAddS(Plane,cvScalar(,,),Plane);
     cvCircle(Plane,cvPoint(,),,cvScalar(,,),);
     cvPutText(Plane,"",cvPoint(,),&cvFont(,),cvScalar(,,));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));

     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvPutText(Plane, "", cvPoint(, ), &cvFont(, ), cvScalar(, , ));
     cvCircle(Plane,cvPoint(,),,cvScalarAll(),);
     cvNamedWindow("Clock");
     cvSetMouseCallback("Clock",Stop_Run_onclick,);
     Drwan_button(Plane);
     cvShowImage("Clock",Plane);
     IplImage* img = cvCreateImage(cvGetSize(Plane),,);
     double dangle = 0.1036;
     int r = ;
     int x = , y = ;//圆心
     int count_s = ;
     int count_m = ;
     int x1, x2;
     //for seconds
     double angle = ;
     int dx = ;
     int dy = ;
     //for minutes
     double angle_m = ;
     int mx = ;
     int my = ;
     //for hours
     double angle_h = ;
     int hx=, hy = ;
     int count_h = ;
     //设置时钟输入调节
     //angle;
     //angle_m;
     //angle_h;
     //count_m;
     //count_s;
     printf("\t\t\t选项\n\t\t\t从零点开始走针（1）\n\t\t\t从历史记录的时间走针（2）\n\t\t\t输入选项:");
     int judge;
     scanf("%d", &judge);
     if (judge == ){
         FILE *file = fopen("TimeRecord.dat", "r");
         fscanf(file, "%lf %lf %lf %d %d %d", &angle_h, &angle_m, &angle, &count_h, &count_m, &count_s);
         fclose(file);
     }
     system("cls");
     printf("按下ESC键可以退出！\n");
     printf("Enter键或者屏幕按键可以暂停钟表转动\n");
     printf("按下空格键可以设置时间：（输入格式为00：00：00）\n");

     while (true)
     {
         if (run){
             cvCopy(Plane, img);
             dy = r * cos(angle);
             dx = r * sin(angle);
             //for seconds
             my = r * cos(angle_m);
             mx = r * sin(angle_m);
             //for hours
             hx = r * sin(angle_h);
             hy = r * cos(angle_h);
             count_s++;
             angle=PIZHI(count_s);
             cvLine(img, cvPoint(x, y), cvPoint(x + hx / , x - hy / ), cvScalar(, , ), );
             cvLine(img, cvPoint(x, y), cvPoint(x + mx / 1.5, y - my / 1.5), cvScalar(, , ), );
             cvLine(img, cvPoint(x, y), cvPoint(x + dx, y - dy), cvScalar(, , ), );

             if (count_s == ||judge==)
             {
                 if (judge!=)
                 count_s = ;
                 count_m++;
                 angle = ;
                 angle_m=PIZHI(count_m);
                 if (count_m %  == ||judge==){
                     count_h++;
                     angle_h = PIZHI(count_h);
                     if (count_h == )count_h = ;
                 }
                 if (count_m == )count_m = ;
                 judge = ;
             }
         }
         Drwan_button(img);
         cvShowImage("Clock", img);

         char ch = cvWaitKey();
         if (ch == )
         {
             FILE* write = fopen("TimeRecord.dat","w");
             fprintf(write, "%lf %lf %lf %d %d %d", angle_h, angle_m, angle, count_h, count_m, count_s);
             fclose(write);
             break;
         }
         else if (ch==)
         {
             run = !run;
         }
         else if (ch == )
         {
             scanf("%d:%d:%d",&count_h,&count_m,&count_s);
             count_h=count_h *  + 1.0*count_m / 12.0;
             judge = ;
         }
     }
     cvWaitKey();
     return ;
 }

做着挺好玩的，就当练练手吧。