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Diffstat (limited to 'src/snap.h')
| -rw-r--r-- | src/snap.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/snap.h b/src/snap.h new file mode 100644 index 000000000..6b94fb4c2 --- /dev/null +++ b/src/snap.h @@ -0,0 +1,114 @@ +#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 : |