79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/*
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* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013-2016 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_canvas_text_h__
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#define __ardour_canvas_text_h__
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#include <pangomm/fontdescription.h>
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#include <pangomm/layout.h>
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#include "canvas/visibility.h"
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#include "canvas/item.h"
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namespace ArdourCanvas {
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class LIBCANVAS_API Text : public Item
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{
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public:
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Text (Canvas*);
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Text (Item*);
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~Text();
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void render (Rect const &, Cairo::RefPtr<Cairo::Context>) const;
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void compute_bounding_box () const;
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Gtkmm2ext::Color color () const { return _color; }
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void set_color (Gtkmm2ext::Color);
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void set (std::string const &);
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void set_font_description (Pango::FontDescription);
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void set_alignment (Pango::Alignment);
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void clamp_width (double);
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double width() const;
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double height() const;
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void set_size_chars (int nchars);
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void dump (std::ostream&) const;
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std::string text() const { return _text; }
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double text_width() const;
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private:
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std::string _text;
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Gtkmm2ext::Color _color;
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Pango::FontDescription* _font_description;
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Pango::Alignment _alignment;
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mutable Cairo::RefPtr<Cairo::ImageSurface> _image;
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mutable Duple _origin;
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mutable double _width;
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mutable double _height;
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mutable bool _need_redraw;
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mutable double _width_correction;
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double _clamped_width;
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void _redraw () const;
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};
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}
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#endif /* __ardour_canvas_text_h__ */
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