#include<graphics.h>
#include<iostream.h>
#include<stdio.h>
#include<conio.h>
void main()
{
int gd=DETECT, gm;
float x1,x2,y1,y2,x,y,m,c,dx,dy,clr;
initgraph(&gd,&gm," ");
cout<<"enter the value of x1,y1,x2,y2 and color";
cin>>x1>>y1>>x2>>y2>>clr;
x=x1; y=y1;
dx=x2-x1;
dy=y2-y1;
m=dy/dx;
c=y-m*c;
if(dx==0)
{
for(;y<=y2;y++)
{
x=x1;
putpixel(x,y,clr);
}
}
else if(dy==0)
{
for(;x<=x2;x++)
{
y=y1;
putpixel(x,y,clr);
}
}
else
{
m=dy/dx;
if(m<1)
{
for(;x<=x2;x++)
{
y=m*x+ c;
putpixel(x,y,clr);
}
}
else if(m==1)
{
for(;x<=x2;x++)
{
y=y+1;
putpixel(x,y,clr);
}
}
else
{
for(;y<=y2;y++)
{
x=(y-c)/m;
putpixel(x,y,clr);
}
}
}
getch();
closegraph();
}
1 Comments
Thnq Needed It the most
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