A C++ language program for line drawing using Bresenham's Line Algorithm.
#include<iostream.h>
#include <conio.h>
#include<graphics.h>
void main()
{
int d=DETECT,g;
initgraph(&d,&g,"c://tc//bgi");
clrscr();
int x,y,x1,y1,x2,y2,dx,dy,c1,c2,p,color=1;
cout<<"enter points x1,y1,x2,y2";
cin>>x1>>y1>>x2>>y2;
clrscr();