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Diffstat (limited to 'libs/canvas/canvas/line_set.h')
-rw-r--r-- | libs/canvas/canvas/line_set.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libs/canvas/canvas/line_set.h b/libs/canvas/canvas/line_set.h new file mode 100644 index 0000000000..a9b13651d9 --- /dev/null +++ b/libs/canvas/canvas/line_set.h @@ -0,0 +1,58 @@ +/* + 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. +*/ + +#include "canvas/visibility.h" +#include "canvas/item.h" + +namespace ArdourCanvas { + +class LIBCANVAS_API LineSet : public Item +{ +public: + enum Orientation { + Vertical, + Horizontal + }; + + LineSet (Group *); + + void compute_bounding_box () const; + void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const; + + bool covers (Duple const &) const; + + void set_height (Distance); + + void add (Coord, Distance, Color); + void clear (); + + struct Line { + Line (Coord y_, Distance width_, Color color_) : y (y_), width (width_), color (color_) {} + + Coord y; + Distance width; + Color color; + }; + +private: + std::list<Line> _lines; + Distance _height; +}; + +} |