livetrax/libs/canvas/root_group.cc

/*
    Copyright (C) 2011-2013 Paul Davis
    Author: Carl Hetherington <cth@carlh.net>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "canvas/root_group.h"
#include "canvas/canvas.h"

using namespace std;
using namespace ArdourCanvas;

Root::Root (Canvas* canvas)
	: Layout (canvas)
{
#ifdef CANVAS_DEBUG
	name = "ROOT";
#endif	
}

void
Root::compute_bounding_box () const
{
	Layout::compute_bounding_box ();

	if (_bounding_box) {
		Rect r (_bounding_box.get());
		_canvas->request_size (Duple (r.width (), r.height ()));
	}
}