1 #ifndef SEEN_SNAPPEDPOINT_H
2 #define SEEN_SNAPPEDPOINT_H
4 /**
5 * \file src/snapped-point.h
6 * \brief SnappedPoint class.
7 *
8 * Authors:
9 * Mathieu Dimanche <mdimanche@free.fr>
10 * Diederik van Lierop <mail@diedenrezi.nl>
11 *
12 * Released under GNU GPL, read the file 'COPYING' for more information.
13 */
15 #include <vector>
16 #include <list>
17 #include "libnr/nr-coord.h"
18 #include "libnr/nr-point.h"
19 #include <libnr/nr-values.h>
21 namespace Inkscape
22 {
24 /// Class describing the result of an attempt to snap.
25 class SnappedPoint
26 {
27 public:
28 SnappedPoint();
29 SnappedPoint(NR::Point p, NR::Coord d, NR::Coord t, bool a, bool at_intersection, NR::Coord d2, NR::Coord t2, bool a2);
30 SnappedPoint(NR::Point p, NR::Coord d, NR::Coord t, bool a);
31 ~SnappedPoint();
33 NR::Coord getDistance() const;
34 void setDistance(NR::Coord d) {_distance = d;}
35 NR::Coord getTolerance() const;
36 bool getAlwaysSnap() const;
37 NR::Coord getSecondDistance() const;
38 NR::Coord getSecondTolerance() const;
39 bool getSecondAlwaysSnap() const;
40 NR::Point getPoint() const;
41 bool getAtIntersection() const {return _at_intersection;}
42 bool getSnapped() const {return _distance < NR_HUGE;}
43 NR::Point getTransformation() const {return _transformation;}
44 void setTransformation(NR::Point t) {_transformation = t;}
46 protected:
47 NR::Point _point; // Location of the snapped point
48 bool _at_intersection; // If true, the snapped point is at an intersection
50 /* Distance from original point to snapped point. If the snapped point is at
51 an intersection of e.g. two lines, then this is the distance to the closest
52 line */
53 NR::Coord _distance;
54 /* The snapping tolerance in screen pixels (depends on zoom)*/
55 NR::Coord _tolerance;
56 /* If true then "Always snap" is on */
57 bool _always_snap;
59 /* If the snapped point is at an intersection of e.g. two lines, then this is
60 the distance to the fartest line */
61 NR::Coord _second_distance;
62 /* The snapping tolerance in screen pixels (depends on zoom)*/
63 NR::Coord _second_tolerance;
64 /* If true then "Always snap" is on */
65 bool _second_always_snap;
66 /* The transformation (translation, scale, skew, or stretch) from the original point to the snapped point */
67 NR::Point _transformation;
68 };
70 }
72 bool getClosestSP(std::list<Inkscape::SnappedPoint> &list, Inkscape::SnappedPoint &result);
75 #endif /* !SEEN_SNAPPEDPOINT_H */
77 /*
78 Local Variables:
79 mode:c++
80 c-file-style:"stroustrup"
81 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
82 indent-tabs-mode:nil
83 fill-column:99
84 End:
85 */
86 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :