![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/object-snapper.h b/src/object-snapper.h
index 7f6221f8b3be3659e2cc0293c4436feb22fd7c58..baa60a096fdc392049dfb48664aad4bb3563c8cb 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 - 2008 Authors
+ * Copyright (C) 2005 - 2008 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "sp-path.h"
#include "splivarot.h"
-
struct SPNamedView;
struct SPItem;
struct SPObject;
{
class SnapCandidate
-
+
{
public:
- SnapCandidate(SPItem* item, bool clip_or_mask, NR::Matrix _additional_affine);
- ~SnapCandidate();
-
- SPItem* item; // An item that is to be considered for snapping to
- bool clip_or_mask; // If true, then item refers to a clipping path or a mask
-
- /* To find out the absolute position of a clipping path or mask, we not only need to know
- * the transformation of the clipping path or mask itself, but also the transformation of
- * the object to which the clip or mask is being applied; that transformation is stored here
- */
- NR::Matrix additional_affine;
+ SnapCandidate(SPItem* item, bool clip_or_mask, Geom::Matrix _additional_affine);
+ ~SnapCandidate();
+
+ SPItem* item; // An item that is to be considered for snapping to
+ bool clip_or_mask; // If true, then item refers to a clipping path or a mask
+
+ /* To find out the absolute position of a clipping path or mask, we not only need to know
+ * the transformation of the clipping path or mask itself, but also the transformation of
+ * the object to which the clip or mask is being applied; that transformation is stored here
+ */
+ Geom::Matrix additional_affine;
};
class ObjectSnapper : public Snapper
{
public:
- ObjectSnapper(SPNamedView const *nv, NR::Coord const d);
- ~ObjectSnapper();
-
- 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 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 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;
-
- void freeSnap(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- bool const &first_point,
- NR::Maybe<NR::Rect> const &bbox_to_snap,
- std::vector<SPItem const *> const *it,
- std::vector<NR::Point> *unselected_nodes) const;
-
- void constrainedSnap(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- bool const &first_point,
- NR::Maybe<NR::Rect> const &bbox_to_snap,
- ConstraintLine const &c,
- std::vector<SPItem const *> const *it) const;
-
+ ObjectSnapper(SnapManager *sm, Geom::Coord const d);
+ ~ObjectSnapper();
+
+ 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
+ TRANSL_SNAP_XY}; // All other cases; for snapping to objects, other than guides
+
+ 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,
+ ConstraintLine const &c) const;
+
+ bool ThisSnapperMightSnap() const;
+ bool GuidesMightSnap() 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::SnapPreferences::PointType const &t,
+ Geom::Point const &p,
+ SnapSourceType const &source_type,
+ bool const &first_point,
+ Geom::OptRect const &bbox_to_snap,
+ std::vector<SPItem const *> const *it,
+ std::vector<std::pair<Geom::Point, int> > *unselected_nodes) const;
+
+ void constrainedSnap(SnappedConstraints &sc,
+ Inkscape::SnapPreferences::PointType const &t,
+ Geom::Point const &p,
+ SnapSourceType const &source_type,
+ bool const &first_point,
+ Geom::OptRect const &bbox_to_snap,
+ ConstraintLine const &c,
+ std::vector<SPItem const *> const *it) 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<SnapCandidate> *_candidates;
- std::vector<NR::Point> *_points_to_snap_to;
- std::vector<NArtBpath*> *_bpaths_to_snap_to;
- std::vector<Path*> *_paths_to_snap_to;
-
- void _findCandidates(SPObject* parent,
+ //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<SnapCandidate> *_candidates;
+ std::vector<std::pair<Geom::Point, int> > *_points_to_snap_to;
+ std::vector<std::pair<Geom::PathVector*, SnapTargetType> > *_paths_to_snap_to;
+
+ void _findCandidates(SPObject* parent,
std::vector<SPItem const *> const *it,
bool const &first_point,
- NR::Rect const &bbox_to_snap,
+ Geom::Rect const &bbox_to_snap,
DimensionToSnap snap_dim,
bool const _clip_or_mask,
- NR::Matrix const additional_affine) const;
-
- void _snapNodes(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
+ Geom::Matrix const additional_affine) const;
+
+ void _snapNodes(SnappedConstraints &sc,
+ Inkscape::SnapPreferences::PointType const &t,
+ Geom::Point const &p, // in desktop coordinates
+ SnapSourceType const &source_type,
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,
+ std::vector<std::pair<Geom::Point, int> > *unselected_nodes) const; // in desktop coordinates
+
+ void _snapTranslatingGuideToNodes(SnappedConstraints &sc,
+ Inkscape::SnapPreferences::PointType const &t,
+ Geom::Point const &p,
+ Geom::Point const &guide_normal) const;
+
+ void _collectNodes(Inkscape::SnapPreferences::PointType 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::SnapPreferences::PointType const &t,
+ Geom::Point const &p, // in desktop coordinates
+ SnapSourceType const &source_type,
bool const &first_point,
- std::vector<NR::Point> *unselected_nodes,
+ std::vector<std::pair<Geom::Point, int> > *unselected_nodes, // in desktop coordinates
SPPath const *selected_path) const;
-
- void _snapPathsConstrained(SnappedConstraints &sc,
- Inkscape::Snapper::PointType const &t,
- NR::Point const &p,
- bool const &first_point,
+
+ void _snapPathsConstrained(SnappedConstraints &sc,
+ Inkscape::SnapPreferences::PointType const &t,
+ Geom::Point const &p, // in desktop coordinates
+ SnapSourceType const source_type,
+ bool const &first_point,
ConstraintLine const &c) const;
-
- bool isUnselectedNode(NR::Point const &point, std::vector<NR::Point> const *unselected_nodes) const;
-
- void _collectPaths(Inkscape::Snapper::PointType const &t,
+
+ bool isUnselectedNode(Geom::Point const &point, std::vector<std::pair<Geom::Point, int> > const *unselected_nodes) const;
+
+ void _collectPaths(Inkscape::SnapPreferences::PointType const &t,
bool const &first_point) const;
-
- void _clear_paths() const;
- NArtBpath const* _getBorderBPath() const;
- void _getBorderNodes(std::vector<NR::Point> *points) const;
-
- bool _snap_to_itemnode;
- bool _snap_to_itempath;
- bool _snap_to_bboxnode;
- bool _snap_to_bboxpath;
- bool _snap_to_page_border;
-
- //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<std::pair<Geom::Point, int> > *points) const;
+
+}; // end of ObjectSnapper class
+
+void getBBoxPoints(Geom::OptRect const bbox, std::vector<std::pair<Geom::Point, int> > *points, bool const isTarget, bool const includeCorners, bool const includeLineMidpoints, bool const includeObjectMidpoints);
+
+} // end of namespace Inkscape
#endif