void draw_circle(ucg_t *ucg)
{
prepare_picture(ucg);
hrule(ucg, ox+50+1, 30, 20, 0);
vrule(ucg, ox+50+20-1, 30+1, 20, 1);
ucg_SetColor(ucg, 0, 255, 255, 255);
ucg_DrawCircle(ucg, ox+50, 30, 20, UCG_DRAW_LOWER_RIGHT);
pos(ucg, ox+50, 30,0);
save_picture(ucg, "draw_circle");
}
// Lua: ucg.drawCircle( self, x0, y0, rad, option )
static int lucg_drawCircle( lua_State *L )
{
lucg_userdata_t *lud;
if ((lud = get_lud( L )) == NULL)
return 0;
ucg_int_t args[4];
lucg_get_int_args( L, 2, 4, args );
ucg_DrawCircle( LUCG, args[0], args[1], args[2], args[3] );
return 0;
}