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
38 void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
39 void compute_bounding_box () const;
41 void set (std::string const &);
42 void set_color (uint32_t);
43 void set_font_description (Pango::FontDescription);
44 void set_alignment (Pango::Alignment);
46 void clamp_width (double);
48 void set_size_chars (int nchars);
49 void dump (std::ostream&) const;
51 std::string text() const { return _text; }
56 Pango::FontDescription* _font_description;
57 Pango::Alignment _alignment;
58 mutable Cairo::RefPtr<Cairo::ImageSurface> _image;
59 mutable Duple _origin;
60 mutable double _width;
61 mutable double _height;
62 mutable bool _need_redraw;
63 double _clamped_width;
65 void redraw (Cairo::RefPtr<Cairo::Context>) const;
66 void redraw (Glib::RefPtr<Pango::Context>) const;
67 void _redraw (Glib::RefPtr<Pango::Layout>) const;
72 #endif /* __ardour_canvas_text_h__ */