Enable icon disk cache by default.

[inkscape.git] / src / snap.h

diff --git a/src/snap.h b/src/snap.h
index 26e599cc66773aae66edc20c39b6d8cb682a922b..c79bd308a5e2bc1bc9f11337804d1cdad9fa416a 100644 (file)
--- a/src/snap.h
+++ b/src/snap.h
@@ -92,11 +92,24 @@ public:
                std::vector<SPItem const *> &items_to_ignore,
                std::vector<Inkscape::SnapCandidatePoint> *unselected_nodes = NULL,
                SPGuide *guide_to_ignore = NULL);
+
     void setupIgnoreSelection(SPDesktop const *desktop,
                               bool snapindicator = true,
                               std::vector<Inkscape::SnapCandidatePoint> *unselected_nodes = NULL,
                               SPGuide *guide_to_ignore = NULL);
 
+    void unSetup() {_rotation_center_source_items = NULL;
+                    _guide_to_ignore = NULL;
+                    _desktop = NULL;
+                    _unselected_nodes = NULL;}
+
+    // If we're dragging a rotation center, then setRotationCenterSource() stores the parent item
+    // of this rotation center; this reference is used to make sure that we do not snap a rotation
+    // center to itself
+    // NOTE: Must be called after calling setup(), not before!
+    void setRotationCenterSource(GSList *items) {_rotation_center_source_items = items;}
+    GSList const *getRotationCenterSource() {return _rotation_center_source_items;}
+
     // freeSnapReturnByRef() is preferred over freeSnap(), because it only returns a
     // point if snapping has occurred (by overwriting p); otherwise p is untouched
     void freeSnapReturnByRef(Geom::Point &p,
@@ -121,6 +134,16 @@ public:
                                            Inkscape::Snapper::SnapConstraint const &constraint,
                                            Geom::OptRect const &bbox_to_snap = Geom::OptRect()) const;
 
+    Inkscape::SnappedPoint multipleConstrainedSnaps(Inkscape::SnapCandidatePoint const &p,
+                                                    std::vector<Inkscape::Snapper::SnapConstraint> const &constraints,
+                                                    bool dont_snap = false,
+                                                    Geom::OptRect const &bbox_to_snap = Geom::OptRect()) const;
+
+    Inkscape::SnappedPoint constrainedAngularSnap(Inkscape::SnapCandidatePoint const &p,
+                                                    boost::optional<Geom::Point> const &p_ref,
+                                                    Geom::Point const &o,
+                                                    unsigned const snaps) const;
+
     void guideFreeSnap(Geom::Point &p, Geom::Point const &guide_normal, SPGuideDragType drag_type) const;
     void guideConstrainedSnap(Geom::Point &p, SPGuide const &guideline) const;
 
@@ -183,6 +206,7 @@ protected:
 
 private:
     std::vector<SPItem const *> _items_to_ignore; ///< Items that should not be snapped to, for example the items that are currently being dragged. Set using the setup() method
+    GSList *_rotation_center_source_items; // to avoid snapping a rotation center to itself
     SPGuide *_guide_to_ignore; ///< A guide that should not be snapped to, e.g. the guide that is currently being dragged
     SPDesktop const *_desktop;
     bool _snapindicator; ///< When true, an indicator will be drawn at the position that was being snapped to