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#ifndef SEEN_SNAP_H
#define SEEN_SNAP_H
/**
* \file snap.h
* \brief Various snapping methods.
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* Frank Felfe <innerspace@iname.com>
* Carl Hetherington <inkscape@carlh.net>
*
* Copyright (C) 2000-2002 Lauris Kaplinski
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <vector>
#include <libnr/nr-coord.h>
#include <libnr/nr-dim2.h>
#include <libnr/nr-forward.h>
#include "snapper.h"
class SPNamedView;
class SnapManager
{
public:
SnapManager(SPNamedView const *v) : namedview(v) {}
bool willSnapSomething() const;
Inkscape::SnappedPoint freeSnap(Inkscape::Snapper::PointType t,
NR::Point const &p,
SPItem const *it) const;
Inkscape::SnappedPoint freeSnap(Inkscape::Snapper::PointType t,
NR::Point const &p,
std::list<SPItem const *> const &it) const;
Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
NR::Point const &p,
NR::Point const &c,
SPItem const *it) const;
Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
NR::Point const &p,
NR::Point const &c,
std::list<SPItem const *> const &it) const;
std::pair<NR::Point, bool> freeSnapTranslation(Inkscape::Snapper::PointType t,
std::vector<NR::Point> const &p,
std::list<SPItem const *> const &it,
NR::Point const &tr) const;
std::pair<NR::Point, bool> constrainedSnapTranslation(Inkscape::Snapper::PointType t,
std::vector<NR::Point> const &p,
NR::Point const &c,
std::list<SPItem const *> const &it,
NR::Point const &tr) const;
private:
SPNamedView const *namedview;
};
/* Single point methods */
NR::Coord namedview_vector_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point &req,
NR::Point const &d, std::list<SPItem const *> const &it);
NR::Coord namedview_vector_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point &req,
NR::Point const &d, SPItem const *it);
NR::Coord namedview_dim_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point& req,
NR::Dim2 const dim, SPItem const *it);
NR::Coord namedview_dim_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point& req,
NR::Dim2 const dim, std::list<SPItem const *> const &it);
/* List of points methods */
std::pair<double, bool> namedview_vector_snap_list(SPNamedView const *nv,
Inkscape::Snapper::PointType t, const std::vector<NR::Point> &p,
NR::Point const &norm, NR::scale const &s,
std::list<SPItem const *> const &it
);
std::pair<NR::Coord, bool> namedview_dim_snap_list(SPNamedView const *nv,
Inkscape::Snapper::PointType t, const std::vector<NR::Point> &p,
double const dx, NR::Dim2 const dim,
std::list<SPItem const *> const &it
);
std::pair<double, bool> namedview_dim_snap_list_scale(SPNamedView const *nv,
Inkscape::Snapper::PointType t, const std::vector<NR::Point> &p,
NR::Point const &norm, double const sx,
NR::Dim2 const dim,
std::list<SPItem const *> const &it);
NR::Coord namedview_dim_snap_list_skew(SPNamedView const *nv, Inkscape::Snapper::PointType t,
const std::vector<NR::Point> &p,
NR::Point const &norm, double const sx, NR::Dim2 const dim);
#endif /* !SEEN_SNAP_H */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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