/* 
 *  call-seq:
 *    draw_circle_s(center, radius, color)
 *
 *  Like #draw_circle, but the shape is solid, instead of an outline.
 */
VALUE rbgm_draw_fillcircle(VALUE target, VALUE center, VALUE radius, VALUE rgba)
{
  draw_circle(target,center,radius,rgba,0,1); /* no aa, fill */
  return target;
}