#include <iostream.h>
#include <stdlib.h>
#include <graphics.h>
#include <time.h>
#include "polygon.h"
void setgraph();
void main()
{
   char    dummy;
   int	  MAX_X, MAX_Y;
   int     hour, minute, second,hourdiff,mindiff;
   time_t	t1, t2;
   tm			gmt,old;
   Polygon big("arrow.dat");       // calls constructor
   Polygon little=big;             // calls copy constructor
   Polygon sec=big;             // calls copy constructor

   little.scale(1.5,0.7);
   sec.scale(0.3,1.05);

   setgraph();

   MAX_X = getmaxx();
   MAX_Y = getmaxy();

   big.scale(MAX_Y/2.0,MAX_Y/2.0);
   little.scale(MAX_Y/2.0,MAX_Y/2.0);
   sec.scale(MAX_Y/2.0,MAX_Y/2.0);
   big.translate(MAX_X/2.0,MAX_Y/2.0);
   little.translate(MAX_X/2.0,MAX_Y/2.0);
   sec.translate(MAX_X/2.0,MAX_Y/2.0);

   t1 = time(NULL);
   gmt = *(localtime(&t1));
   hour = gmt.tm_hour;
   minute = gmt.tm_min;
   second = gmt.tm_sec;
   circle(MAX_X/2,MAX_Y/2,MAX_Y/2);
   big.rotate(-6*minute);
   little.rotate(-(30*hour+minute/2));
   sec.rotate(-6*second);
   big.draw();
   little.draw();
   sec.draw();

   while (true) {
      t1 = time(NULL); t2=t1;
      while(difftime(t2,t1) < 1) {
         t2 = time(NULL);
      }
      old = gmt;
      gmt = *(localtime(&t1));
      hourdiff = gmt.tm_hour-old.tm_hour;
      mindiff = gmt.tm_min-old.tm_min;
      big.rotate(-6*(mindiff));
      little.rotate(-(30*hourdiff+mindiff/2));
      sec.rotate(-6);
      clearviewport();
   	circle(MAX_X/2,MAX_Y/2,MAX_Y/2);
   	big.draw();
      little.draw();
      sec.draw();
   }

   cin >> dummy;;
   closegraph();
}

void setgraph()
{
   char dummy;
   int gdriver = DETECT, gmode, errorcode;
   initgraph(&gdriver,&gmode,"c:\\bc5\\bgi");
   errorcode = graphresult();
   if (errorcode != grOk) {
      cerr << "Error: " << grapherrormsg(errorcode);
      cout << "Press any key to halt: ";
      cin >> dummy;
      exit(1);
   }
}