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diff --git a/src/object-snapper.h b/src/object-snapper.h
index 189e96e3e249c925303a8c55edd967a4605b70f6..29f5954246a7a2cf8e37182f28c712c14b7ad49f 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"
+
struct SPNamedView;
struct SPItem;
class ObjectSnapper : public Snapper
{
+
public:
ObjectSnapper(SPNamedView const *nv, NR::Coord const d);
+ ~ObjectSnapper();
- void setSnapToNodes(bool s) {
- _snap_to_nodes = s;
+ enum DimensionToSnap {
+ GUIDE_TRANSL_SNAP_X, // For snapping a vertical guide (normal in the X-direction) to objects,
+ GUIDE_TRANSL_SNAP_Y, // For snapping a horizontal guide (normal in the Y-direction) to objects
+ ANGLED_GUIDE_TRANSL_SNAP, // For snapping an angled guide, while translating it accross the desktop
+ ANGLED_GUIDE_ROT_SNAP, // For snapping an angled guide, while rotating it around some pivot point
+ TRANSL_SNAP_XY}; // All other cases; for snapping to objects, other than guides
+
+ void setSnapToItemNode(bool s) {
+ _snap_to_itemnode = s;
}
- bool getSnapToNodes() const {
- return _snap_to_nodes;
+ bool getSnapToItemNode() const {
+ return _snap_to_itemnode;
}
- void setSnapToPaths(bool s) {
- _snap_to_paths = s;
+ void setSnapToItemPath(bool s) {
+ _snap_to_itempath = s;
}
- bool getSnapToPaths() const {
- return _snap_to_paths;
+ 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 setSnapToPageBorder(bool s) {
+ _snap_to_page_border = s;
+ }
+
+ bool getSnapToPageBorder() const {
+ return _snap_to_page_border;
+ }
+
+ 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,
+ NR::Point const &guide_normal) const;
+
+ bool ThisSnapperMightSnap() const;
+ bool GuidesMightSnap() const;
+
private:
- SnappedPoint _doFreeSnap(NR::Point const &p,
- std::list<SPItem const *> const &it) const;
+ //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::vector<SPItem const *> const &it,
+ std::vector<NR::Point> *unselected_nodes) const;
- SnappedPoint _doConstrainedSnap(NR::Point const &p,
- NR::Point const &c,
- 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::vector<SPItem const *> const &it) const;
+
+ void _findCandidates(SPObject* r,
+ std::vector<SPItem const *> const &it,
+ bool const &first_point,
+ std::vector<NR::Point> &points_to_snap,
+ DimensionToSnap snap_dim) const;
+
+ void _snapNodes(SnappedConstraints &sc,
+ Inkscape::Snapper::PointType const &t,
+ NR::Point const &p,
+ bool const &first_point,
+ std::vector<NR::Point> *unselected_nodes) const;
+
+ void _snapTranslatingGuideToNodes(SnappedConstraints &sc,
+ Inkscape::Snapper::PointType const &t,
+ NR::Point const &p,
+ NR::Point const &guide_normal) const;
+
+ void _collectNodes(Inkscape::Snapper::PointType const &t,
+ bool const &first_point) const;
+
+ void _snapPaths(SnappedConstraints &sc,
+ Inkscape::Snapper::PointType const &t,
+ NR::Point const &p,
+ bool const &first_point,
+ std::vector<NR::Point> *unselected_nodes,
+ SPPath const *selected_path,
+ NArtBpath *border_bpath) const;
+
+ void _snapPathsConstrained(SnappedConstraints &sc,
+ Inkscape::Snapper::PointType const &t,
+ NR::Point const &p,
+ bool const &first_point,
+ ConstraintLine const &c) const;
+ bool isUnselectedNode(NR::Point const &point, std::vector<NR::Point> const *unselected_nodes) const;
- void _findCandidates(std::list<SPItem*>& c,
- SPObject* r,
- std::list<SPItem const *> const &it,
- NR::Point const &p) const;
+ void _collectPaths(Inkscape::Snapper::PointType const &t,
+ bool const &first_point,
+ NArtBpath *border_bpath = NULL) const;
+
+ void _clear_paths() const;
+ NArtBpath* _getBorderBPath() const;
- void _snapNodes(Inkscape::SnappedPoint &s, NR::Point const &p, std::list<SPItem*> const &cand) const;
- void _snapPaths(Inkscape::SnappedPoint &s, NR::Point const &p, std::list<SPItem*> const &cand) const;
+ bool _snap_to_itemnode;
+ bool _snap_to_itempath;
+ bool _snap_to_bboxnode;
+ bool _snap_to_bboxpath;
+ bool _snap_to_page_border;
- bool _snap_to_nodes;
- bool _snap_to_paths;
+ //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;
};
}