#include
#include
void main()
{
float x,y,x1,y1,x2,y2,dx,dy,e;
int i,gd,gm;
clrscr();
printf("\n Enter the value of x1:\t");
scanf("%f",&x1);
printf("\n Enter the value of y1:\t");
scanf("%f",&y1);
printf("\n Enter the value of x2:\t");
scanf("%f",&x2);
printf("\n Enter the value of y2:\t");
scanf("%f",&y2);
detectgraph(&gd,&gm);
initgraph(&gd,&gm,"c:\\Tc\\BGI");
dx=abs(x2-x1);
dy=abs(y2-y1);
//
x=x1;
y=y1;
//
e=2*dy-dx;
i=1;
do
{
putpixel(x,y,15);
while(e>=0)
{
y=y+1;
e=e-2*dx;
}
x=x+1;
e=e+2*dy;
i=i+1;
}
while(i<=dx);
getch();
closegraph();
}
OUTPUT:
Enter the value of x1: 50
Enter the value of y1: 100
Enter the value of x2: 150
Enter the value of y2: 200
