54 lines
1.5 KiB
C++
54 lines
1.5 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 __CANVAS_POLY_LINE_H__
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#define __CANVAS_POLY_LINE_H__
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#include "canvas/visibility.h"
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#include "canvas/poly_item.h"
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#include "canvas/outline.h"
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namespace ArdourCanvas {
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class LIBCANVAS_API PolyLine : public PolyItem
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{
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public:
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PolyLine (Canvas*);
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PolyLine (Item*);
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void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
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virtual void set_steps (Points const &, bool stepped);
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bool covers (Duple const &) const;
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/**
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* Set the distance at which a point will be considered to be covered
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* by the line. For the definition of "distance" see
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* utils.cc:distance_to_segment_squared()
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*/
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void set_covers_threshold (double);
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private:
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double _threshold;
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};
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}
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#endif
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