#ifndef SEEN_GUIDE_SNAPPER_H

#define SEEN_GUIDE_SNAPPER_H

#include "line-snapper.h"

class SPNamedView;

namespace Inkscape

{

class GuideSnapper : public LineSnapper

{

public:

GuideSnapper(SnapManager *sm, Geom::Coord const d);

bool ThisSnapperMightSnap() const;

Geom::Coord getSnapperTolerance() const; //returns the tolerance of the snapper in screen pixels (i.e. independent of zoom)

bool getSnapperAlwaysSnap() const; //if true, then the snapper will always snap, regardless of its tolerance

private:

LineList _getSnapLines(Geom::Point const &p) const;

void _addSnappedLine(IntermSnapResults &isr, Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, long source_num, Geom::Point const &normal_to_line, Geom::Point const &point_on_line) const;

void _addSnappedLinesOrigin(IntermSnapResults &isr, Geom::Point const &origin, Geom::Coord const &snapped_distance, SnapSourceType const &source, long source_num, bool constrained_snap) const;

void _addSnappedLinePerpendicularly(IntermSnapResults &isr, Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, long source_num, bool constrained_snap) const;

void _addSnappedPoint(IntermSnapResults &isr, Geom::Point const &snapped_point, Geom::Coord const &snapped_distance, SnapSourceType const &source, long source_num, bool constrained_snap) const;

};

}

#endif