diff --git a/src/object-snapper.h b/src/object-snapper.h
index 6556b0a243af612fefa860a35f7c120a627e91a8..6bde3dd391a531fd7fc75bea43b0df780e67903d 100644 (file)
--- a/src/object-snapper.h
+++ b/src/object-snapper.h
*
* Authors:
* Carl Hetherington <inkscape@carlh.net>
+ * Diederik van Lierop <mail@diedenrezi.nl>
*
- * Copyright (C) 2005 Authors
+ * Copyright (C) 2005 - 2008 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "snapper.h"
+#include "sp-path.h"
+#include "splivarot.h"
+#include "snap-candidate.h"
struct SPNamedView;
struct SPItem;
class ObjectSnapper : public Snapper
{
+
public:
- ObjectSnapper(SPNamedView const *nv, NR::Coord const d);
-
- void setSnapToItemNodes(bool s) {
- _snap_to_itemnodes = s;
- }
-
- bool getSnapToItemNodes() const {
- return _snap_to_itemnodes;
- }
-
- void setSnapToItemPaths(bool s) {
- _snap_to_itempaths = s;
- }
-
- bool getSnapToItemPaths() const {
- return _snap_to_itempaths;
- }
-
- void setSnapToBBoxNodes(bool s) {
- _snap_to_bboxnodes = s;
- }
-
- bool getSnapToBBoxNodes() const {
- return _snap_to_bboxnodes;
- }
-
- void setSnapToBBoxPaths(bool s) {
- _snap_to_bboxpaths = s;
- }
-
- bool getSnapToBBoxPaths() const {
- return _snap_to_bboxpaths;
- }
-
- bool setStrictSnapping(bool enabled) {
- _strict_snapping = enabled;
- }
-
- bool ThisSnapperMightSnap() const;
-
+ ObjectSnapper(SnapManager *sm, Geom::Coord const d);
+ ~ObjectSnapper();
+
+ void guideFreeSnap(SnappedConstraints &sc,
+ Geom::Point const &p,
+ Geom::Point const &guide_normal) const;
+
+ void guideConstrainedSnap(SnappedConstraints &sc,
+ Geom::Point const &p,
+ Geom::Point const &guide_normal,
+ SnapConstraint const &c) const;
+
+ bool ThisSnapperMightSnap() const;
+
+ Geom::Coord getSnapperTolerance() const; //returns the tolerance of the snapper in screen pixels (i.e. independent of zoom)
+ bool getSnapperAlwaysSnap() const; //if true, then the snapper will always snap, regardless of its tolerance
+
+ void freeSnap(SnappedConstraints &sc,
+ Inkscape::SnapCandidatePoint const &p,
+ Geom::OptRect const &bbox_to_snap,
+ std::vector<SPItem const *> const *it,
+ std::vector<SnapCandidatePoint> *unselected_nodes) const;
+
+ void constrainedSnap(SnappedConstraints &sc,
+ Inkscape::SnapCandidatePoint const &p,
+ Geom::OptRect const &bbox_to_snap,
+ SnapConstraint const &c,
+ std::vector<SPItem const *> const *it,
+ std::vector<SnapCandidatePoint> *unselected_nodes) const;
+
private:
- SnappedPoint _doFreeSnap(Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- std::list<SPItem const *> const &it) const;
-
- SnappedPoint _doConstrainedSnap(Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- ConstraintLine const &c,
- std::list<SPItem const *> const &it) const;
-
- void _findCandidates(std::list<SPItem*>& c,
- SPObject* r,
- std::list<SPItem const *> const &it,
- NR::Point const &p) const;
-
- void _snapNodes(Inkscape::Snapper::PointType const &t,
- Inkscape::SnappedPoint &s,
- NR::Point const &p,
- std::list<SPItem*> const &cand) const;
-
- void _snapPaths(Inkscape::Snapper::PointType const &t,
- Inkscape::SnappedPoint &s,
- NR::Point const &p,
- std::list<SPItem*> const &cand) const;
-
- bool _snap_to_itemnodes;
- bool _snap_to_itempaths;
- bool _snap_to_bboxnodes;
- bool _snap_to_bboxpaths;
-
- //if enabled, then bbox corners will only snap to bboxes,
- //and nodes will only snap to nodes and paths
- bool _strict_snapping;
-};
-
-}
+ //store some lists of candidates, points and paths, so we don't have to rebuild them for each point we want to snap
+ std::vector<SnapCandidateItem> *_candidates;
+ std::vector<SnapCandidatePoint> *_points_to_snap_to;
+ std::vector<SnapCandidatePath > *_paths_to_snap_to;
+
+ void _findCandidates(SPObject* parent,
+ std::vector<SPItem const *> const *it,
+ bool const &first_point,
+ Geom::Rect const &bbox_to_snap,
+ bool const _clip_or_mask,
+ Geom::Matrix const additional_affine) const;
+
+ void _snapNodes(SnappedConstraints &sc,
+ Inkscape::SnapCandidatePoint const &p, // in desktop coordinates
+ std::vector<SnapCandidatePoint> *unselected_nodes,
+ SnapConstraint const &c = SnapConstraint(),
+ Geom::Point const &p_proj_on_constraint = Geom::Point()) const;
+
+ void _snapTranslatingGuide(SnappedConstraints &sc,
+ Geom::Point const &p,
+ Geom::Point const &guide_normal) const;
+
+ void _collectNodes(Inkscape::SnapSourceType const &t,
+ bool const &first_point) const;
+
+ void _snapPaths(SnappedConstraints &sc,
+ Inkscape::SnapCandidatePoint const &p, // in desktop coordinates
+ std::vector<Inkscape::SnapCandidatePoint> *unselected_nodes, // in desktop coordinates
+ SPPath const *selected_path) const;
+
+ void _snapPathsConstrained(SnappedConstraints &sc,
+ Inkscape::SnapCandidatePoint const &p, // in desktop coordinates
+ SnapConstraint const &c,
+ Geom::Point const &p_proj_on_constraint) const;
+
+ bool isUnselectedNode(Geom::Point const &point, std::vector<Inkscape::SnapCandidatePoint> const *unselected_nodes) const;
+
+ void _collectPaths(Geom::Point p,
+ Inkscape::SnapSourceType const source_type,
+ bool const &first_point) const;
+
+ void _clear_paths() const;
+ Geom::PathVector* _getBorderPathv() const;
+ Geom::PathVector* _getPathvFromRect(Geom::Rect const rect) const;
+ void _getBorderNodes(std::vector<SnapCandidatePoint> *points) const;
+
+}; // end of ObjectSnapper class
+
+void getBBoxPoints(Geom::OptRect const bbox, std::vector<SnapCandidatePoint> *points, bool const isTarget, bool const includeCorners, bool const includeLineMidpoints, bool const includeObjectMidpoints);
+
+} // end of namespace Inkscape
#endif