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/*
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.
*/
#ifndef __ardour_canvas_text_h__
#define __ardour_canvas_text_h__
#include <pangomm/fontdescription.h>
#include <pangomm/layout.h>
#include "canvas/visibility.h"
#include "canvas/item.h"
namespace ArdourCanvas {
class LIBCANVAS_API Text : public Item
{
public:
Text (Group *);
~Text();
void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
void compute_bounding_box () const;
void set (std::string const &);
void set_color (uint32_t);
void set_font_description (Pango::FontDescription);
void set_alignment (Pango::Alignment);
void clamp_width (double);
void set_size_chars (int nchars);
void dump (std::ostream&) const;
std::string text() const { return _text; }
private:
std::string _text;
uint32_t _color;
Pango::FontDescription* _font_description;
Pango::Alignment _alignment;
mutable Cairo::RefPtr<Cairo::ImageSurface> _image;
mutable Duple _origin;
mutable double _width;
mutable double _height;
mutable bool _need_redraw;
double _clamped_width;
void redraw (Cairo::RefPtr<Cairo::Context>) const;
void redraw (Glib::RefPtr<Pango::Context>) const;
void _redraw (Glib::RefPtr<Pango::Layout>) const;
};
}
#endif /* __ardour_canvas_text_h__ */
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