Mid point circle algorithm implementation in c programming Saturday, September 14, 2013

/** * Problem: Mid point circle algorithm implementation * Author: Md. Mahedi Azad * Date 12-Sep-2013 * */ #include<conio.h> #include<stdio.h> void main() { int gd=DETECT,gm; int i,r,x,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; x=0; y=r; do{ if(d<0){ x=x+1; d=d+2*x+1; }else { x=x+1; y=y-1; d=d+2*x-2*y+10; } 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(); }