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diff --git a/src/object-snapper.h b/src/object-snapper.h
index c16b42580fdf692d2d3c3776e1aedcb8a1fda350..6bde3dd391a531fd7fc75bea43b0df780e67903d 100644 (file)
--- a/src/object-snapper.h
+++ b/src/object-snapper.h
* Carl Hetherington <inkscape@carlh.net>
* Diederik van Lierop <mail@diedenrezi.nl>
*
- * Copyright (C) 2005 - 2007 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;
{
public:
- ObjectSnapper(SPNamedView const *nv, NR::Coord const d);
- ~ObjectSnapper();
-
- enum DimensionToSnap {SNAP_X, SNAP_Y, SNAP_XY};
-
- void setSnapToItemNode(bool s) {
- _snap_to_itemnode = s;
- }
-
- bool getSnapToItemNode() const {
- return _snap_to_itemnode;
- }
-
- void setSnapToItemPath(bool s) {
- _snap_to_itempath = s;
- }
-
- bool getSnapToItemPath() const {
- return _snap_to_itempath;
- }
-
- void setSnapToBBoxNode(bool s) {
- _snap_to_bboxnode = s;
- }
-
- bool getSnapToBBoxNode() const {
- return _snap_to_bboxnode;
- }
-
- void setSnapToBBoxPath(bool s) {
- _snap_to_bboxpath = s;
- }
-
- bool getSnapToBBoxPath() const {
- return _snap_to_bboxpath;
- }
-
- void setIncludeItemCenter(bool s) {
- _include_item_center = s;
- }
-
- bool getIncludeItemCenter() const {
- return _include_item_center;
- }
-
- void setStrictSnapping(bool enabled) {
- _strict_snapping = enabled;
- }
-
- void guideSnap(SnappedConstraints &sc,
- NR::Point const &p,
- DimensionToSnap const snap_dim) const;
-
- 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:
- //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<SPItem*> *_candidates;
- std::vector<NR::Point> *_points_to_snap_to;
- std::vector<NArtBpath*> *_bpaths_to_snap_to;
- std::vector<Path*> *_paths_to_snap_to;
- void _doFreeSnap(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- bool const &first_point,
- std::vector<NR::Point> &points_to_snap,
- std::list<SPItem const *> const &it) const;
-
- void _doConstrainedSnap(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- bool const &first_point,
- std::vector<NR::Point> &points_to_snap,
- ConstraintLine const &c,
- std::list<SPItem const *> const &it) const;
-
- void _findCandidates(SPObject* r,
- std::list<SPItem const *> const &it,
+ //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,
- std::vector<NR::Point> &points_to_snap,
- DimensionToSnap const snap_dim) const;
-
- void _snapNodes(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- bool const &first_point,
- DimensionToSnap const snap_dim) const;
-
- void _collectNodes(Inkscape::Snapper::PointType const &t,
+ 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::Snapper::PointType const &t,
- NR::Point const &p,
+
+ 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 _snapPathsConstrained(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- bool const &first_point,
- ConstraintLine const &c) const;
-
- void _collectPaths(Inkscape::Snapper::PointType const &t,
- bool const &first_point) const;
- void _clear_paths() const;
-
- bool _snap_to_itemnode;
- bool _snap_to_itempath;
- bool _snap_to_bboxnode;
- bool _snap_to_bboxpath;
-
- //If enabled, then bbox corners will only snap to bboxes,
- //and nodes will only snap to nodes and paths. We will not
- //snap bbox corners to nodes, or nodes to bboxes.
- //(snapping to grids and guides is not affected by this)
- bool _strict_snapping;
- bool _include_item_center;
-};
-
-}
+
+ 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