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SnappedLineSegment();
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SnappedLineSegment(NR::Point snapped_point, NR::Coord snapped_distance, NR::Coord snapped_tolerance, bool always_snap, NR::Point start_point_of_line, NR::Point end_point_of_line);
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SnappedLineSegment(Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, SnapTargetType const &target, Geom::Coord const &snapped_tolerance,bool const &always_snap, Geom::Point const &start_point_of_line, Geom::Point const &end_point_of_line);
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~SnappedLineSegment();
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Inkscape::SnappedPoint intersect(SnappedLineSegment const &line) const; //intersect with another SnappedLineSegment
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Geom::LineSegment getLineSegment() const {return Geom::LineSegment(_start_point_of_line, _end_point_of_line);}
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NR::Point _start_point_of_line;
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NR::Point _end_point_of_line;
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Geom::Point _start_point_of_line;
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Geom::Point _end_point_of_line;
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SnappedLine(NR::Point snapped_point, NR::Coord snapped_distance, NR::Coord snapped_tolerance, bool always_snap, NR::Point normal_to_line, NR::Point point_on_line);
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SnappedLine(Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, SnapTargetType const &target, Geom::Coord const &snapped_tolerance, bool const &always_snap, Geom::Point const &normal_to_line, Geom::Point const &point_on_line);
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Inkscape::SnappedPoint intersect(SnappedLine const &line) const; //intersect with another SnappedLine
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// This line is described by this equation:
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// a*x + b*y = c <-> nx*px + ny+py = c <-> n.p = c
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NR::Point getNormal() const {return _normal_to_line;} // n = (nx, ny)
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NR::Point getPointOnLine() const {return _point_on_line;} // p = (px, py)
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NR::Coord getConstTerm() const {return dot(_normal_to_line, _point_on_line);} // c = n.p = nx*px + ny*py;
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Geom::Point getNormal() const {return _normal_to_line;} // n = (nx, ny)
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Geom::Point getPointOnLine() const {return _point_on_line;} // p = (px, py)
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Geom::Coord getConstTerm() const {return dot(_normal_to_line, _point_on_line);} // c = n.p = nx*px + ny*py;
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Geom::Line getLine() const {return Geom::Line(_point_on_line, _point_on_line + Geom::rot90(_normal_to_line));}
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NR::Point _normal_to_line;
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NR::Point _point_on_line;
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Geom::Point _normal_to_line;
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Geom::Point _point_on_line;
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bool getClosestSLS(std::list<Inkscape::SnappedLineSegment> &list, Inkscape::SnappedLineSegment &result);
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bool getClosestIntersectionSLS(std::list<Inkscape::SnappedLineSegment> &list, Inkscape::SnappedPoint &result);
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bool getClosestSL(std::list<Inkscape::SnappedLine> &list, Inkscape::SnappedLine &result);
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bool getClosestIntersectionSL(std::list<Inkscape::SnappedLine> &list, Inkscape::SnappedPoint &result);
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bool getClosestIntersectionSL(std::list<Inkscape::SnappedLine> &list1, std::list<Inkscape::SnappedLine> &list2, Inkscape::SnappedPoint &result);
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bool getClosestSLS(std::list<Inkscape::SnappedLineSegment> const &list, Inkscape::SnappedLineSegment &result);
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bool getClosestIntersectionSLS(std::list<Inkscape::SnappedLineSegment> const &list, Inkscape::SnappedPoint &result);
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bool getClosestSL(std::list<Inkscape::SnappedLine> const &list, Inkscape::SnappedLine &result);
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bool getClosestIntersectionSL(std::list<Inkscape::SnappedLine> const &list, Inkscape::SnappedPoint &result);
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bool getClosestIntersectionSL(std::list<Inkscape::SnappedLine> const &list1, std::list<Inkscape::SnappedLine> const &list2, Inkscape::SnappedPoint &result);
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#endif /* !SEEN_SNAPPEDLINE_H */