```
/*
* Developed by: Vivek Kumar
* Email: vivek_kumar_bt@yahoo.co.in
* Discription: A simple Analog Clock
*
*/
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
#include<stdlib.h>
#include<math.h>
#include<dos.h>
#include<time.h>
void sline(int,int,int,int,int,int,float,int,int);
void hline(int,int,int,int,int,int,float,int,int);
void mline(int,int,int,int,int,int,float,int,int);
void grid(int,int,int,int);
int main()
{
int gd=DETECT,gm,maxx,maxy,midx,midy;
int sincolor=4,soutcolor=0,hincolor=1,houtcolor=0,mincolor=13,moutcolor=0;
int bakcolor=14;
int gcolor=0,grad=3;
float thita,X,Y,h,s,m;
initgraph(&gd,&gm,"c:\\tc\\bgi");
maxx=getmaxx();
maxy=getmaxy();
midx=maxx/2;
midy=maxy/2;
float phi=3.1423,degree,dh,dm;
int rad=125;
int HX,HY,MX,MY,SX,SY,ML=rad-25,SL=rad-20,HL=rad-55;
char str[10];
cleardevice();
setfillstyle(1,bakcolor);
circle(midx,midy,rad-10);
floodfill(midx,midy,15);
setfillstyle(1,1);
circle(midx,midy,rad+10);
floodfill(midx+rad+5,midy,15);
for(thita=270+45;thita<=360+135;thita=thita+(180/60))
{
degree=((2*phi)/180)*thita;
X=midx+rad*(cos(degree));
Y=midy+rad*(sin(degree));
itoa(degree,str,10);
setfillstyle(1,4);
circle(X,Y,1);
floodfill(X,Y,15);
}
for(thita=270+45;thita<=360+135;thita=thita+(180/12))
{
degree=((2*phi)/180)*thita;
X=midx+rad*(cos(degree));
Y=midy+rad*(sin(degree));
setfillstyle(1,4);
circle(X,Y,3);
floodfill(X,Y,15);
}
struct time t;
gettime(&t);
s=270+45+t.ti_sec*(180/60);
h=270+45+t.ti_hour*(180/12)+((t.ti_min*(180/60)))/12;
m=270+45+t.ti_min*(180/60)+((t.ti_sec*(180/60))/60);
degree=((2*phi)/180)*s;
dh=((2*phi)/180)*h;
dm=((2*phi)/180)*m;
SX=midx+SL*(cos(degree));
SY=midy+SL*(sin(degree));
HX=midx+HL*(cos(dh));
HY=midy+HL*(sin(dh));
MX=midx+ML*(cos(dm));
MY=midy+ML*(sin(dm));
while(!kbhit())
{
grid(midx,midy,grad,gcolor);
sline(midx,midy,SX,SY,bakcolor,bakcolor,degree,rad,SL);
circle(SX,SY,2);
hline(midx,midy,HX,HY,bakcolor,bakcolor,dh,rad,HL);
mline(midx,midy,MX,MY,bakcolor,bakcolor,dm,rad,ML);
gettime(&t);
if(t.ti_sec==0)
{
gotoxy(44,4);
printf("0 ");
}
gotoxy(35,4);
printf("%d : %d : %d",t.ti_hour,t.ti_min,t.ti_sec);
s=270+45+t.ti_sec*(180/60);
h=270+45+t.ti_hour*(180/12)+((t.ti_min*(180/60)))/12;
m=270+45+t.ti_min*(180/60)+((t.ti_sec*(180/60))/60);
degree=((2*phi)/180)*s;
dh=((2*phi)/180)*h;
dm=((2*phi)/180)*m;
SX=midx+SL*(cos(degree));
SY=midy+SL*(sin(degree));
HX=midx+HL*(cos(dh));
HY=midy+HL*(sin(dh));
MX=midx+ML*(cos(dm));
MY=midy+ML*(sin(dm));
sline(midx,midy,SX,SY,sincolor,soutcolor,degree,rad,SL);
circle(SX,SY,2);
hline(midx,midy,HX,HY,hincolor,houtcolor,dh,rad,HL);
mline(midx,midy,MX,MY,mincolor,moutcolor,dm,rad,ML);
delay(1000);
}
getch();
return 0;
}
void sline(int midx,int midy,int SX,int SY,int incolor,int outcolor,float degree,int rad,int SL)
{
int lx,ly,rx,ry,mx,my;
float phi=3.1423;
float width=0.04;
lx=midx+(SL-10)*(cos(degree+width));
ly=midy+(SL-10)*(sin(degree+width));
rx=midx+(SL-10)*(cos(degree-width));
ry=midy+(SL-10)*(sin(degree-width));
mx=midx+(rad/2)*(cos(degree));
my=midy+(rad/2)*(sin(degree));
setcolor(outcolor);
line(midx,midy,lx,ly);
line(midx,midy,rx,ry);
line(lx,ly,SX,SY);
line(rx,ry,SX,SY);
setfillstyle(1,incolor);
floodfill(mx,my,outcolor);
}
void mline(int midx,int midy,int SX,int SY,int incolor,int outcolor,float degree,int rad,int ML)
{
int lx,ly,rx,ry,mx,my;
float phi=3.1423;
float width=0.07;
lx=midx+(ML-20)*(cos(degree+width));
ly=midy+(ML-20)*(sin(degree+width));
rx=midx+(ML-20)*(cos(degree-width));
ry=midy+(ML-20)*(sin(degree-width));
mx=midx+(rad/2)*(cos(degree));
my=midy+(rad/2)*(sin(degree));
setcolor(outcolor);
line(midx,midy,lx,ly);
line(midx,midy,rx,ry);
line(lx,ly,SX,SY);
line(rx,ry,SX,SY);
setfillstyle(1,incolor);
floodfill(mx,my,outcolor);
line(midx,midy,SX,SY);
}
void hline(int midx,int midy,int SX,int SY,int incolor,int outcolor,float degree,int rad,int HL)
{
int lx,ly,rx,ry,mx,my;
float phi=3.1423;
float width=0.155;
lx=midx+(HL-30)*(cos(degree+width));
ly=midy+(HL-30)*(sin(degree+width));
rx=midx+(HL-30)*(cos(degree-width));
ry=midy+(HL-30)*(sin(degree-width));
mx=midx+(rad/2)*(cos(degree));
my=midy+(rad/2)*(sin(degree));
setcolor(outcolor);
line(midx,midy,lx,ly);
line(midx,midy,rx,ry);
line(lx,ly,SX,SY);
line(rx,ry,SX,SY);
setfillstyle(1,incolor);
floodfill(mx,my,outcolor);
line(midx,midy,SX,SY);
}
void grid(int midx,int midy,int grad,int gcolor)
{
for(int i=1;i<=grad;i++)
{
setcolor(gcolor);
circle(midx-1,midy+1,i);
}
}
```

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