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71 lines
2 KiB
C++
71 lines
2 KiB
C++
/*
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Copyright (C) 2011-2013 Paul Davis
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Author: Carl Hetherington <cth@carlh.net>
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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 (Group *);
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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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void set (std::string const &);
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void set_color (uint32_t);
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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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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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private:
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std::string _text;
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uint32_t _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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double _clamped_width;
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void redraw (Cairo::RefPtr<Cairo::Context>) const;
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void redraw (Glib::RefPtr<Pango::Context>) const;
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void _redraw (Glib::RefPtr<Pango::Layout>) const;
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};
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}
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#endif /* __ardour_canvas_text_h__ */
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