49c4987898dc8ee454404a4c40dfc7de718faf14
1 #ifndef SEEN_SNAP_H
2 #define SEEN_SNAP_H
4 /**
5 * \file snap.h
6 * \brief Various snapping methods.
7 *
8 * Authors:
9 * Lauris Kaplinski <lauris@kaplinski.com>
10 * Frank Felfe <innerspace@iname.com>
11 * Carl Hetherington <inkscape@carlh.net>
12 *
13 * Copyright (C) 2000-2002 Lauris Kaplinski
14 *
15 * Released under GNU GPL, read the file 'COPYING' for more information
16 */
18 #include <vector>
20 #include <libnr/nr-coord.h>
21 #include <libnr/nr-dim2.h>
22 #include <libnr/nr-forward.h>
23 #include "grid-snapper.h"
24 #include "guide-snapper.h"
25 #include "object-snapper.h"
27 class SPNamedView;
29 class SnapManager
30 {
31 public:
32 bool willSnapSomething() const;
34 Inkscape::SnappedPoint freeSnap(Inkscape::Snapper::PointType t,
35 NR::Point const &p,
36 SPItem const *it) const;
38 Inkscape::SnappedPoint freeSnap(Inkscape::Snapper::PointType t,
39 NR::Point const &p,
40 std::list<SPItem const *> const &it) const;
42 Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
43 NR::Point const &p,
44 NR::Point const &c,
45 SPItem const *it) const;
47 Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
48 NR::Point const &p,
49 NR::Point const &c,
50 std::list<SPItem const *> const &it) const;
52 std::pair<NR::Point, bool> freeSnapTranslation(Inkscape::Snapper::PointType t,
53 std::vector<NR::Point> const &p,
54 std::list<SPItem const *> const &it,
55 NR::Point const &tr) const;
57 std::pair<NR::Point, bool> constrainedSnapTranslation(Inkscape::Snapper::PointType t,
58 std::vector<NR::Point> const &p,
59 NR::Point const &c,
60 std::list<SPItem const *> const &it,
61 NR::Point const &tr) const;
63 Inkscape::GridSnapper grid;
64 Inkscape::GuideSnapper guide;
65 Inkscape::ObjectSnapper object;
67 typedef std::list<const Inkscape::Snapper*> SnapperList;
68 SnapperList getSnappers() const;
69 };
72 /* Single point methods */
73 NR::Coord namedview_vector_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point &req,
74 NR::Point const &d, std::list<SPItem const *> const &it);
75 NR::Coord namedview_vector_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point &req,
76 NR::Point const &d, SPItem const *it);
77 NR::Coord namedview_dim_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point& req,
78 NR::Dim2 const dim, SPItem const *it);
79 NR::Coord namedview_dim_snap(SPNamedView const *nv, Inkscape::Snapper::PointType t, NR::Point& req,
80 NR::Dim2 const dim, std::list<SPItem const *> const &it);
82 /* List of points methods */
84 std::pair<double, bool> namedview_vector_snap_list(SPNamedView const *nv,
85 Inkscape::Snapper::PointType t, const std::vector<NR::Point> &p,
86 NR::Point const &norm, NR::scale const &s,
87 std::list<SPItem const *> const &it
88 );
90 std::pair<double, bool> namedview_dim_snap_list_scale(SPNamedView const *nv,
91 Inkscape::Snapper::PointType t, const std::vector<NR::Point> &p,
92 NR::Point const &norm, double const sx,
93 NR::Dim2 const dim,
94 std::list<SPItem const *> const &it);
96 NR::Coord namedview_dim_snap_list_skew(SPNamedView const *nv, Inkscape::Snapper::PointType t,
97 const std::vector<NR::Point> &p,
98 NR::Point const &norm, double const sx, NR::Dim2 const dim);
101 #endif /* !SEEN_SNAP_H */
103 /*
104 Local Variables:
105 mode:c++
106 c-file-style:"stroustrup"
107 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
108 indent-tabs-mode:nil
109 fill-column:99
110 End:
111 */
112 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :