Computer-Graphics/naam.c at main · ambresh20/Computer-Graphics · GitHub

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#include<stdio.h>
#include<graphics.h>

void drawcircle(int x0, int y0, int radius)  {
    int x = radius;
    int y = 0;
    int err = 0;

    while (x >= y)  {
    putpixel(x0 + x, y0 + y, 7);
    putpixel(x0 + y, y0 + x, 7);
    putpixel(x0 - y, y0 + x, 7);
    putpixel(x0 - x, y0 + y, 7);
    putpixel(x0 - x, y0 - y, 7);
    putpixel(x0 - y, y0 - x, 7);
    putpixel(x0 + y, y0 - x, 7);
    putpixel(x0 + x, y0 - y, 7);
           if (err <= 0)   {
        y += 1;
        err += 2*y + 1;
    }

    if (err > 0)   {
        x -= 1;
        err -= 2*x + 1;
    }
    }
}
 int main(){
    int gdriver=DETECT, gmode, error, x, y, r;
    initgraph(&gdriver, &gmode, "c:\\tc\bgi");
           printf("Enter radius of circle: ");
    scanf("%d", &r);

    printf("Enter co-ordinates of center(x and y): ");
    scanf("%d%d", &x, &y);
    drawcircle(x, y, r);
    getch();
}