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/*
* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 (Canvas*);
Text (Item*);
~Text();
void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
void compute_bounding_box () const;
Gtkmm2ext::Color color () const { return _color; }
void set_color (Gtkmm2ext::Color);
void set (std::string const &);
void set_font_description (Pango::FontDescription);
void set_alignment (Pango::Alignment);
void clamp_width (double);
double width() const;
double height() const;
void set_size_chars (int nchars);
void dump (std::ostream&) const;
std::string text() const { return _text; }
double text_width() const;
private:
std::string _text;
Gtkmm2ext::Color _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;
mutable double _width_correction;
double _clamped_width;
void _redraw () const;
};
}
#endif /* __ardour_canvas_text_h__ */
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