2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtk2_ardour_cairo_canvas_h__
21 #define __gtk2_ardour_cairo_canvas_h__
24 #include <cairomm/context.h>
25 #include "gtkmm2ext/visibility.h"
29 class LIBGTKMM2EXT_API CairoCanvas
32 virtual ~CairoCanvas () {}
34 virtual void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*) = 0;
35 virtual uint32_t background_color () = 0;