diff --git a/src/snap.h b/src/snap.h
index 88254430cd5e46b3acd711efa76ebe9dae734dbf..5290ef081ed3f90a98012439900b2981911cf573 100644 (file)
--- a/src/snap.h
+++ b/src/snap.h
* Lauris Kaplinski <lauris@kaplinski.com>
* Frank Felfe <innerspace@iname.com>
* Carl Hetherington <inkscape@carlh.net>
+ * Diederik van Lierop <mail@diedenrezi.nl>
*
* Copyright (C) 2006-2007 Johan Engelen <johan@shouraizou.nl>
* Copyright (C) 2000-2002 Lauris Kaplinski
+ * Copyright (C) 2000-2008 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <vector>
-#include <libnr/nr-coord.h>
-#include <libnr/nr-dim2.h>
-#include <libnr/nr-forward.h>
-#include <libnr/nr-scale.h>
-
#include "guide-snapper.h"
#include "object-snapper.h"
+#include "snap-preferences.h"
class SPNamedView;
class SnapManager
{
public:
- SnapManager(SPNamedView const *v);
+ enum Transformation {
+ TRANSLATION,
+ SCALE,
+ STRETCH,
+ SKEW
+ };
+
+ SnapManager(SPNamedView const *v);
typedef std::list<const Inkscape::Snapper*> SnapperList;
- bool SomeSnapperMightSnap() const;
-
- Inkscape::SnappedPoint freeSnap(Inkscape::Snapper::PointType t,
- NR::Point const &p,
- SPItem const *it) const;
-
- Inkscape::SnappedPoint freeSnap( Inkscape::Snapper::PointType t,
- NR::Point const &p,
- bool const &first_point,
- std::vector<NR::Point> &points_to_snap,
- std::list<SPItem const *> const &it) const;
-
- Inkscape::SnappedPoint freeSnapAlways( Inkscape::Snapper::PointType t,
- NR::Point const &p,
- SPItem const *it,
- SnapperList &snappers );
-
- Inkscape::SnappedPoint freeSnapAlways( Inkscape::Snapper::PointType t,
- NR::Point const &p,
- std::list<SPItem const *> const &it,
- SnapperList &snappers );
-
- Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
- NR::Point const &p,
- Inkscape::Snapper::ConstraintLine const &c,
- SPItem const *it) const;
-
- Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
- NR::Point const &p,
- bool const &first_point,
- std::vector<NR::Point> &points_to_snap,
- Inkscape::Snapper::ConstraintLine const &c,
- std::list<SPItem const *> const &it) const;
-
- Inkscape::SnappedPoint guideSnap(NR::Point const &p,
- NR::Point const &guide_normal) const;
-
- std::pair<NR::Point, bool> freeSnapTranslation(Inkscape::Snapper::PointType t,
- std::vector<NR::Point> const &p,
- std::list<SPItem const *> const &it,
- NR::Point const &tr) const;
-
- std::pair<NR::Point, bool> constrainedSnapTranslation(Inkscape::Snapper::PointType t,
- std::vector<NR::Point> const &p,
- std::list<SPItem const *> const &it,
- Inkscape::Snapper::ConstraintLine const &c,
- NR::Point const &tr) const;
-
- std::pair<NR::scale, bool> freeSnapScale(Inkscape::Snapper::PointType t,
- std::vector<NR::Point> const &p,
- std::list<SPItem const *> const &it,
- NR::scale const &s,
- NR::Point const &o) const;
-
- std::pair<NR::scale, bool> constrainedSnapScale(Inkscape::Snapper::PointType t,
- std::vector<NR::Point> const &p,
- std::list<SPItem const *> const &it,
- Inkscape::Snapper::ConstraintLine const &c,
- NR::scale const &s,
- NR::Point const &o) const;
-
- std::pair<NR::Coord, bool> freeSnapStretch(Inkscape::Snapper::PointType t,
- std::vector<NR::Point> const &p,
- std::list<SPItem const *> const &it,
- NR::Coord const &s,
- NR::Point const &o,
- NR::Dim2 d,
- bool uniform) const;
-
- std::pair<NR::Coord, bool> freeSnapSkew(Inkscape::Snapper::PointType t,
- std::vector<NR::Point> const &p,
- std::list<SPItem const *> const &it,
- NR::Coord const &s,
- NR::Point const &o,
- NR::Dim2 d) const;
-
- Inkscape::SnappedPoint guideSnap(NR::Point const &p,
- Inkscape::ObjectSnapper::DimensionToSnap const snap_dim) const;
-
+ bool someSnapperMightSnap() const;
+ bool gridSnapperMightSnap() const;
+
+ void setup(SPDesktop const *desktop,
+ bool snapindicator = true,
+ SPItem const *item_to_ignore = NULL,
+ std::vector<std::pair<Geom::Point, int> > *unselected_nodes = NULL,
+ SPGuide *guide_to_ignore = NULL);
+
+ void setup(SPDesktop const *desktop,
+ bool snapindicator,
+ std::vector<SPItem const *> &items_to_ignore,
+ std::vector<std::pair<Geom::Point, int> > *unselected_nodes = NULL,
+ SPGuide *guide_to_ignore = NULL);
+
+ // freeSnapReturnByRef() is preferred over freeSnap(), because it only returns a
+ // point if snapping has occurred (by overwriting p); otherwise p is untouched
+ void freeSnapReturnByRef(Inkscape::SnapPreferences::PointType point_type,
+ Geom::Point &p,
+ Inkscape::SnapSourceType const source_type,
+ bool first_point = true,
+ Geom::OptRect const &bbox_to_snap = Geom::OptRect()) const;
+
+
+ Inkscape::SnappedPoint freeSnap(Inkscape::SnapPreferences::PointType point_type,
+ Geom::Point const &p,
+ Inkscape::SnapSourceType const &source_type,
+ bool first_point = true,
+ Geom::OptRect const &bbox_to_snap = Geom::OptRect() ) const;
+
+ Geom::Point multipleOfGridPitch(Geom::Point const &t) const;
+
+ // constrainedSnapReturnByRef() is preferred over constrainedSnap(), because it only returns a
+ // point, by overwriting p, if snapping has occurred; otherwise p is untouched
+ void constrainedSnapReturnByRef(Inkscape::SnapPreferences::PointType point_type,
+ Geom::Point &p,
+ Inkscape::SnapSourceType const source_type,
+ Inkscape::Snapper::ConstraintLine const &constraint,
+ bool snap_projection, //try snapping the projection of p onto the constraint line, not p itself
+ bool first_point = true,
+ Geom::OptRect const &bbox_to_snap = Geom::OptRect()) const;
+
+ Inkscape::SnappedPoint constrainedSnap(Inkscape::SnapPreferences::PointType point_type,
+ Geom::Point const &p,
+ Inkscape::SnapSourceType const &source_type,
+ Inkscape::Snapper::ConstraintLine const &constraint,
+ bool const snap_projection,
+ bool first_point = true,
+ Geom::OptRect const &bbox_to_snap = Geom::OptRect()) const;
+
+ void guideSnap(Geom::Point &p, Geom::Point const &guide_normal) const;
+
+ Inkscape::SnappedPoint freeSnapTranslation(Inkscape::SnapPreferences::PointType point_type,
+ std::vector<std::pair<Geom::Point, int> > const &p,
+ Geom::Point const &pointer,
+ Geom::Point const &tr) const;
+
+ Inkscape::SnappedPoint constrainedSnapTranslation(Inkscape::SnapPreferences::PointType point_type,
+ std::vector<std::pair<Geom::Point, int> > const &p,
+ Geom::Point const &pointer,
+ Inkscape::Snapper::ConstraintLine const &constraint,
+ Geom::Point const &tr) const;
+
+ Inkscape::SnappedPoint freeSnapScale(Inkscape::SnapPreferences::PointType point_type,
+ std::vector<std::pair<Geom::Point, int> > const &p,
+ Geom::Point const &pointer,
+ Geom::Scale const &s,
+ Geom::Point const &o) const;
+
+ Inkscape::SnappedPoint constrainedSnapScale(Inkscape::SnapPreferences::PointType point_type,
+ std::vector<std::pair<Geom::Point, int> > const &p,
+ Geom::Point const &pointer,
+ Geom::Scale const &s,
+ Geom::Point const &o) const;
+
+ Inkscape::SnappedPoint constrainedSnapStretch(Inkscape::SnapPreferences::PointType point_type,
+ std::vector<std::pair<Geom::Point, int> > const &p,
+ Geom::Point const &pointer,
+ Geom::Coord const &s,
+ Geom::Point const &o,
+ Geom::Dim2 d,
+ bool uniform) const;
+
+ Inkscape::SnappedPoint constrainedSnapSkew(Inkscape::SnapPreferences::PointType point_type,
+ std::vector<std::pair<Geom::Point, int> > const &p,
+ Geom::Point const &pointer,
+ Inkscape::Snapper::ConstraintLine const &constraint,
+ Geom::Point const &s, // s[0] = skew factor, s[1] = scale factor
+ Geom::Point const &o,
+ Geom::Dim2 d) const;
Inkscape::GuideSnapper guide; ///< guide snapper
Inkscape::ObjectSnapper object; ///< snapper to other objects
+ Inkscape::SnapPreferences snapprefs;
SnapperList getSnappers() const;
SnapperList getGridSnappers() const;
-
- void setSnapModeBBox(bool enabled);
- void setSnapModeNode(bool enabled);
- void setSnapModeGuide(bool enabled);
- bool getSnapModeBBox() const;
- bool getSnapModeNode() const;
- bool getSnapModeGuide() const;
-
- void setSnapIntersectionGG(bool enabled) {_intersectionGG = enabled;}
- void setSnapIntersectionLS(bool enabled) {_intersectionLS = enabled;}
- bool getSnapIntersectionGG() { return _intersectionGG;}
- bool getSnapIntersectionLS() { return _intersectionLS;}
-
- void setIncludeItemCenter(bool enabled) {
- _include_item_center = enabled;
- // also store a local copy in the object-snapper instead of passing it through many functions
- object.setIncludeItemCenter(enabled);
- }
-
- bool getIncludeItemCenter() const {
- return _include_item_center;
- }
-
+
+ SPDesktop const *getDesktop() const {return _desktop;}
+ SPNamedView const *getNamedView() const {return _named_view;}
+ SPDocument *getDocument() const;
+ SPGuide const *getGuideToIgnore() const {return _guide_to_ignore;}
+
+ bool getSnapIndicator() const {return _snapindicator;}
+
protected:
SPNamedView const *_named_view;
private:
-
- enum Transformation {
- TRANSLATION,
- SCALE,
- STRETCH,
- SKEW
- };
-
- bool _include_item_center; //If true, snapping nodes will also snap the item's center
- bool _intersectionGG;
- bool _intersectionLS;
-
- std::pair<NR::Point, bool> _snapTransformed(Inkscape::Snapper::PointType type,
- std::vector<NR::Point> const &points,
- std::list<SPItem const *> const &ignore,
- bool constrained,
- Inkscape::Snapper::ConstraintLine const &constraint,
- Transformation transformation_type,
- NR::Point const &transformation,
- NR::Point const &origin,
- NR::Dim2 dim,
- bool uniform) const;
-
- Inkscape::SnappedPoint findBestSnap(NR::Point const &p, SnappedConstraints &sc) const;
+ std::vector<SPItem const *> *_items_to_ignore;
+ SPItem const *_item_to_ignore;
+ SPGuide *_guide_to_ignore;
+ SPDesktop const *_desktop;
+ bool _snapindicator;
+ std::vector<std::pair<Geom::Point, int> > *_unselected_nodes;
+
+ Inkscape::SnappedPoint _snapTransformed(Inkscape::SnapPreferences::PointType type,
+ std::vector<std::pair<Geom::Point, int> > const &points,
+ Geom::Point const &pointer,
+ bool constrained,
+ Inkscape::Snapper::ConstraintLine const &constraint,
+ Transformation transformation_type,
+ Geom::Point const &transformation,
+ Geom::Point const &origin,
+ Geom::Dim2 dim,
+ bool uniform) const;
+
+ Geom::Point _transformPoint(std::pair<Geom::Point, int> const &p,
+ Transformation const transformation_type,
+ Geom::Point const &transformation,
+ Geom::Point const &origin,
+ Geom::Dim2 const dim,
+ bool const uniform) const;
+
+ void _displaySnapsource(Inkscape::SnapPreferences::PointType point_type, std::pair<Geom::Point, int> const &p) const;
+
+ Inkscape::SnappedPoint findBestSnap(Geom::Point const &p, Inkscape::SnapSourceType const source_type, SnappedConstraints &sc, bool constrained) const;
};
#endif /* !SEEN_SNAP_H */