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#ifndef SEEN_OBJECT_SNAPPER_H
#define SEEN_OBJECT_SNAPPER_H
/**
* \file object-snapper.h
* \brief Snapping things to objects.
*
* Authors:
* Carl Hetherington <inkscape@carlh.net>
*
* Copyright (C) 2005 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "snapper.h"
struct SPNamedView;
struct SPItem;
struct SPObject;
namespace Inkscape
{
class ObjectSnapper : public Snapper
{
public:
ObjectSnapper(SPNamedView const *nv, NR::Coord const d);
void setSnapToNodes(bool s) {
_snap_to_nodes = s;
}
bool getSnapToNodes() const {
return _snap_to_nodes;
}
void setSnapToPaths(bool s) {
_snap_to_paths = s;
}
bool getSnapToPaths() const {
return _snap_to_paths;
}
bool ThisSnapperMightSnap() const;
private:
SnappedPoint _doFreeSnap(NR::Point const &p,
std::list<SPItem const *> const &it) const;
SnappedPoint _doConstrainedSnap(NR::Point const &p,
ConstraintLine const &c,
std::list<SPItem const *> const &it) const;
void _findCandidates(std::list<SPItem*>& c,
SPObject* r,
std::list<SPItem const *> const &it,
NR::Point const &p) const;
void _snapNodes(Inkscape::SnappedPoint &s, NR::Point const &p, std::list<SPItem*> const &cand) const;
void _snapPaths(Inkscape::SnappedPoint &s, NR::Point const &p, std::list<SPItem*> const &cand) const;
bool _snap_to_nodes;
bool _snap_to_paths;
};
}
#endif
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