2 Copyright (C) 2011-2013 Paul Davis
3 Author: Carl Hetherington <cth@carlh.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_canvas_text_h__
21 #define __ardour_canvas_text_h__
23 #include <pangomm/fontdescription.h>
24 #include <pangomm/layout.h>
26 #include "canvas/visibility.h"
27 #include "canvas/item.h"
29 namespace ArdourCanvas {
31 class LIBCANVAS_API Text : public Item
37 void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
38 void compute_bounding_box () const;
40 void set (std::string const &);
41 void set_color (uint32_t);
42 void set_font_description (Pango::FontDescription);
43 void set_alignment (Pango::Alignment);
45 void clamp_width (double);
47 void set_size_chars (int nchars);
48 void dump (std::ostream&) const;
53 Pango::FontDescription* _font_description;
54 Pango::Alignment _alignment;
55 mutable Cairo::RefPtr<Cairo::ImageSurface> _image;
56 mutable Duple _origin;
57 mutable double _width;
58 mutable double _height;
59 mutable bool _need_redraw;
60 double _clamped_width;
62 void redraw (Cairo::RefPtr<Cairo::Context>) const;
63 void redraw (Glib::RefPtr<Pango::Context>) const;
64 void _redraw (Glib::RefPtr<Pango::Layout>) const;
69 #endif /* __ardour_canvas_text_h__ */