C program for midpoint circle generation algorithm

code for midpoint circle generation algorithm

#include<graphics.h>

#include<conio.h>

#include<stdio.h>

void main()

{

int gd=DETECT,gm;

int i,r,x=0,y,xc,yc;

float d;

clrscr();

initgraph(&gd,&gm,"c:\\tc\\");

printf("Enter Radius\n");

scanf("%d",&r);

printf("Enter Center of circle\n");

scanf("%d",&xc);

scanf("%d",&yc);

d=1.25-r;

y=r;

do

{

if(d<0.0)

{

x=x+1;

d=d+2*x+1;

}

else

{

x=x+1;

y=y-1;

d=d+2*x-2*y+10;

}

&nbsp;putpixel(xc+x,yc+y,5);

putpixel(xc-y,yc-x,5);

putpixel(xc+y,yc-x,5);

putpixel(xc-y,yc+x,5);

putpixel(xc+y,yc+x,5);

putpixel(xc-x,yc-y,5);

putpixel(xc+x,yc-y,5);

putpixel(xc-x,yc+y,5);

}

while(x<y);

getch();

}

Output: