CIRCLE PROGRAM USING BRESENHAMS METHOD (GRAPHICS)

#include<graphics.h>

#include<stdio.h>

#include<conio.h>

void plotcircle(int,int,int,int);

void main()

{

   int gd = DETECT, gm;

   int xc,yc,x,y,r,d;

   initgraph(&gd, &gm, "");

  

   printf("\n Enter the values\n xc:\nyc:\nr:\n");

   scanf("%d%d%d",&xc,&yc,&r);

   x=0;

   y=r;

   d=3-(2*r);

   plotcircle(xc,yc,x,y);

   while(x<y)

    {

    if(d<0)

      {

               x=x+1;

               d=d+(4*x)+6;

              }

   else

      {

                x=x+1;

                y=y-1;

                d=d+(4*(x-y))+10;

      }

            plotcircle(xc,yc,x,y);

       }

  getch();

  }

void plotcircle(int xc,int yc,int x,int y)

                {

                putpixel(xc+x,yc+y,2);

                putpixel(xc-x,yc+y,2);

                putpixel(xc+x,yc-y,2);

                putpixel(xc+y,yc+x,2);

                putpixel(xc-y,yc-x,2);

                putpixel(xc-y,yc+x,2);

                putpixel(xc+y,yc-x,2);

                putpixel(xc-x,yc-y,2);

                }