Code:-
#include<conio.h>
#include<iostream.h>
#include<graphics.h>
#include<math.h>
#include<dos.h>
void main()
{
float x,y,deltax,deltay;
int x1,y1,x2,y2,i,len;
int gd = DETECT, gm;
initgraph(&gd,&gm,”C:\\TURBOC3\\BGI”);
cout<<“Enter the Co-ordinates of starting point of line: “;
cin>>x1>>y1;
cout<<“Enter the Co-ordinates of end point of line “;
cin>>x2>>y2;
deltax = abs(x2-x1);
deltay = abs(y2-y1);
if(deltax>=deltay)
{
len = deltax;
}
else
{
len = deltay;
}
deltax = deltax/len;
deltay = deltay/len;
x=x1;
y=y1;
i=1;
while(i<=len)
{
putpixel(x,y,WHITE);
x = x + deltax;
y = y + deltay;
i++;
delay(20);
}
getch();
closegraph();
}
OutPut:- Shown on top.
