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Diffstat (limited to 'source/blender/freestyle/intern/view_map/ViewMap.h')
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diff --git a/source/blender/freestyle/intern/view_map/ViewMap.h b/source/blender/freestyle/intern/view_map/ViewMap.h new file mode 100644 index 00000000000..e29b2ae7cd6 --- /dev/null +++ b/source/blender/freestyle/intern/view_map/ViewMap.h @@ -0,0 +1,1779 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2010 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __FREESTYLE_VIEW_MAP_H__ +#define __FREESTYLE_VIEW_MAP_H__ + +/** \file blender/freestyle/intern/view_map/ViewMap.h + * \ingroup freestyle + * \brief Classes to define a View Map (ViewVertex, ViewEdge, etc.) + * \author Stephane Grabli + * \date 03/09/2002 + */ + +#include <map> + +#include "Interface0D.h" +#include "Interface1D.h" +#include "Silhouette.h" // defines the embedding + +#include "../geometry/GeomUtils.h" + +#include "../system/BaseIterator.h" +#include "../system/FreestyleConfig.h" + +/**********************************/ +/* */ +/* */ +/* ViewMap */ +/* */ +/* */ +/**********************************/ + + +/* Density + * Mean area depth value + * distance to a point + */ + +class ViewVertex; +class ViewEdge; +class ViewShape; +class TVertex; + +/*! Class defining the ViewMap.*/ +class LIB_VIEW_MAP_EXPORT ViewMap +{ +public: + typedef vector<ViewEdge*> viewedges_container; + typedef vector<ViewVertex*> viewvertices_container; + typedef vector<ViewShape*> viewshapes_container; + typedef vector<SVertex*> svertices_container; + typedef vector<FEdge*> fedges_container; + typedef map<int, int> id_to_index_map; + +private: + static ViewMap *_pInstance; + viewshapes_container _VShapes; // view shapes + viewedges_container _VEdges; // view edges + viewvertices_container _VVertices; // view vertices + fedges_container _FEdges; // feature edges (embedded edges) + svertices_container _SVertices; // embedded vertices + BBox<Vec3r> _scene3DBBox; + // Mapping between the WShape or VShape id to the VShape index in the _VShapes vector. Used in the method + // viewShape(int id) to access a shape from its id. + id_to_index_map _shapeIdToIndex; + +public: + /*! A field that can be used by the user to store any data. + * This field must be reseted afterwards using ResetUserData(). + */ + void *userdata; + + /*! Default constructor. */ + ViewMap() + { + _pInstance = this; + userdata = NULL; + } + + /*! Destructor. */ + virtual ~ViewMap(); + + /*! Gets the viewedge the nearest to the 2D position specified as argument */ + const ViewEdge *getClosestViewEdge(real x, real y) const; + + /*! Gets the Fedge the nearest to the 2D position specified as argument */ + const FEdge *getClosestFEdge(real x, real y) const; + + /* accessors */ + /*! The ViewMap is a singleton class. This static method returns the instance of the ViewMap. */ + static inline ViewMap *getInstance() + { + return _pInstance; + } + + /* Returns the list of ViewShapes of the scene. */ + inline viewshapes_container& ViewShapes() + { + return _VShapes; + } + + /* Returns the list of ViewEdges of the scene. */ + inline viewedges_container& ViewEdges() + { + return _VEdges; + } + + /* Returns the list of ViewVertices of the scene. */ + inline viewvertices_container& ViewVertices() + { + return _VVertices; + } + + /* Returns the list of FEdges of the scene. */ + inline fedges_container& FEdges() + { + return _FEdges; + } + + /* Returns the list of SVertices of the scene. */ + inline svertices_container& SVertices() + { + return _SVertices; + } + + /* Returns an iterator pointing onto the first ViewEdge of the list. */ + inline viewedges_container::iterator viewedges_begin() + { + return _VEdges.begin(); + } + + inline viewedges_container::iterator viewedges_end() + { + return _VEdges.end(); + } + + inline int viewedges_size() + { + return _VEdges.size(); + } + + ViewShape *viewShape(unsigned index); + + id_to_index_map& shapeIdToIndexMap() + { + return _shapeIdToIndex; + } + + /*! Returns the scene 3D bounding box. */ + inline BBox<Vec3r> getScene3dBBox() const + { + return _scene3DBBox; + } + + /* modifiers */ + void AddViewShape(ViewShape *iVShape); + + inline void AddViewEdge(ViewEdge *iVEdge) + { + _VEdges.push_back(iVEdge); + } + + inline void AddViewVertex(ViewVertex *iVVertex) + { + _VVertices.push_back(iVVertex); + } + + inline void AddFEdge(FEdge *iFEdge) + { + _FEdges.push_back(iFEdge); + } + + inline void AddSVertex(SVertex *iSVertex) + { + _SVertices.push_back(iSVertex); + } + + /*! Sets the scene 3D bounding box. */ + inline void setScene3dBBox(const BBox<Vec3r>& bbox) + { + _scene3DBBox = bbox; + } + + /* Creates a T vertex in the view map. + * A T vertex is the intersection between 2 FEdges (before these ones are splitted). + * The TVertex is a 2D intersection but it corresponds to a 3D point on each of the 2 FEdges. + * iA3D + * The 3D coordinates of the point corresponding to the intersection on the first edge. + * iA2D + * The x,y,z 2D coordinates of the projection of iA3D + * iFEdgeA + * The first FEdge + * iB3D + * The 3D coordinates of the point corresponding to the intersection on the second edge. + * iB2D + * The x,y,z 2D coordinates of the projection of iB3D + * iFEdgeB + * The second FEdge + * id + * The id that must be given to that TVertex + */ + TVertex *CreateTVertex(const Vec3r& iA3D, const Vec3r& iA2D, FEdge *iFEdgeA, const Vec3r& iB3D, const Vec3r& iB2D, + FEdge *iFEdgeB, const Id& id); + + /* Updates the structures to take into account the fact that a SVertex must now be considered as a ViewVertex + * iVertex + * The SVertex on top of which the ViewVertex is built (it is necessarily a NonTVertex because it is a SVertex) + * newViewEdges + * The new ViewEdges that must be add to the ViewMap + */ + ViewVertex *InsertViewVertex(SVertex *iVertex, vector<ViewEdge*>& newViewEdges); + + /* connects a FEdge to the graph trough a SVertex */ + //FEdge *Connect(FEdge *ioEdge, SVertex *ioVertex); +}; + +/**********************************/ +/* */ +/* */ +/* ViewVertex */ +/* */ +/* */ +/**********************************/ + +class ViewEdge; +class SShape; + +namespace ViewVertexInternal { + +class edge_const_traits; +class edge_nonconst_traits; +template<class Traits> class edge_iterator_base; +class orientedViewEdgeIterator; + +} // end of namespace ViewEdgeInternal + +/*! Class to define a view vertex. + * A view vertex is a feature vertex corresponding to a point of the image graph, where the characteristics of an + * edge might change (nature, visibility, ...). + * A ViewVertex can be of two kinds: a TVertex when it corresponds to the intersection between two ViewEdges or a + * NonTVertex when it corresponds to a vertex of the initial input mesh (it is the case for vertices such as corners + * for example). Thus, this class can be specialized into two classes, the TVertex class and the NonTVertex class. + */ +class LIB_VIEW_MAP_EXPORT ViewVertex : public Interface0D +{ +public: // Implementation of Interface0D + /*! Returns the string "ViewVertex". */ + virtual string getExactTypeName() const + { + return "ViewVertex"; + } + +public: + friend class ViewShape; + typedef pair<ViewEdge*, bool> directedViewEdge; // if bool = true, the ViewEdge is incoming + + typedef vector<directedViewEdge> edges_container; + + typedef ViewVertexInternal::edge_iterator_base<ViewVertexInternal::edge_nonconst_traits> edge_iterator; + typedef ViewVertexInternal::edge_iterator_base<ViewVertexInternal::edge_const_traits> const_edge_iterator; + +private: + Nature::VertexNature _Nature; + +public: + /*! A field that can be used by the user to store any data. + * This field must be reseted afterwards using ResetUserData(). + */ + void *userdata; + + /*! Default constructor.*/ + inline ViewVertex() + { + userdata = NULL; + _Nature = Nature::VIEW_VERTEX; + } + + inline ViewVertex(Nature::VertexNature nature) + { + userdata = NULL; + _Nature = Nature::VIEW_VERTEX | nature; + } + +protected: + /*! Copy constructor. */ + inline ViewVertex(ViewVertex& iBrother) + { + _Nature = iBrother._Nature; + iBrother.userdata = this; + userdata = NULL; + } + + /*! Cloning method. */ + virtual ViewVertex *duplicate() = 0; + +public: + /*! Destructor. */ + virtual ~ViewVertex() {} + + /* accessors */ + /*! Returns the nature of the vertex .*/ + virtual Nature::VertexNature getNature() const + { + return _Nature; + } + + /* modifiers */ + /*! Sets the nature of the vertex. */ + inline void setNature(Nature::VertexNature iNature) + { + _Nature = iNature; + } + + /* Replaces old edge by new edge */ + virtual void Replace(ViewEdge *, ViewEdge *) {} + +public: + /* iterators access */ + // allows iteration on the edges that comes from/goes to this vertex in CCW order (order defined in 2D in the + // image plan) + virtual edge_iterator edges_begin() = 0; + virtual const_edge_iterator edges_begin() const = 0; + virtual edge_iterator edges_end() = 0; + virtual const_edge_iterator edges_end() const = 0; + virtual edge_iterator edges_iterator(ViewEdge *iEdge) = 0; + virtual const_edge_iterator edges_iterator(ViewEdge *iEdge) const = 0; + + // Iterator access + /*! Returns an iterator over the ViewEdges that goes to or comes from this ViewVertex pointing to the first + * ViewEdge of the list. The orientedViewEdgeIterator allows to iterate in CCW order over these ViewEdges + * and to get the orientation for each ViewEdge (incoming/outgoing). + */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesBegin() = 0; + + /*! Returns an orientedViewEdgeIterator over the ViewEdges around this ViewVertex, pointing after the last ViewEdge. + */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesEnd() = 0; + + /*! Returns an orientedViewEdgeIterator pointing to the ViewEdge given as argument. */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesIterator(ViewEdge *iEdge) = 0; +}; + +/**********************************/ +/* */ +/* */ +/* TVertex */ +/* */ +/* */ +/**********************************/ + +/*! class to define a T vertex, i.e. an intersection between two edges. + * It points towards 2 SVertex and 4 View edges. + * Among these ViewEdges, 2 are front and 2 are back. + * Basically the front edge hides part of the back edge. + * So, among the back edges, 1 is of invisibility n and the other of visibility n+1 + */ +class LIB_VIEW_MAP_EXPORT TVertex : public ViewVertex +{ +public: + typedef vector<directedViewEdge*> edge_pointers_container; + +public: // Implementation of Interface0D + /*! Returns the string "TVertex". */ + virtual string getExactTypeName() const + { + return "TVertex"; + } + + // Data access methods + /* Returns the 3D x coordinate of the vertex. Ambiguous in this case. */ + virtual real getX() const + { + cerr << "Warning: getX() undefined for this point" << endl; + return _FrontSVertex->point3D().x(); + } + + virtual real getY() const + { + cerr << "Warning: getX() undefined for this point" << endl; + return _FrontSVertex->point3D().y(); + } + + virtual real getZ() const + { + cerr << "Warning: getX() undefined for this point" << endl; + return _FrontSVertex->point3D().z(); + } + + /*! Returns the 3D point. */ + virtual Vec3f getPoint3D() const + { + cerr << "Warning: getPoint3D() undefined for this point" << endl; + return _FrontSVertex->getPoint3D(); + } + + /*! Returns the projected 3D x coordinate of the vertex. */ + virtual real getProjectedX() const + { + return _FrontSVertex->point2D().x(); + } + + /*! Returns the projected 3D y coordinate of the vertex. */ + virtual real getProjectedY() const + { + return _FrontSVertex->point2D().y(); + } + + virtual real getProjectedZ() const + { + return _FrontSVertex->point2D().z(); + } + + /*! Returns the 2D point. */ + virtual Vec2f getPoint2D() const + { + return _FrontSVertex->getPoint2D(); + } + + /*! Returns the Id of the TVertex. */ + virtual Id getId() const + { + return _Id; + } + + /*! Cast the Interface0D in SVertex if it can be. */ + // it can't + virtual ViewVertex *castToViewVertex() + { + return this; + } + + /*! Cast the Interface0D in TVertex if it can be. */ + virtual TVertex *castToTVertex() + { + return this; + } + +private: + SVertex *_FrontSVertex; + SVertex *_BackSVertex; + directedViewEdge _FrontEdgeA; + directedViewEdge _FrontEdgeB; + directedViewEdge _BackEdgeA; + directedViewEdge _BackEdgeB; + Id _Id; // id to identify t vertices . these id will be negative in order not to be mixed with NonTVertex ids. + edge_pointers_container _sortedEdges; // the list of the four ViewEdges, ordered in CCW order (in the image plan) + +public: + /*! Default constructor.*/ + inline TVertex() : ViewVertex(Nature::T_VERTEX) + { + _FrontSVertex = NULL; + _BackSVertex = NULL; + _FrontEdgeA.first = 0; + _FrontEdgeB.first = 0; + _BackEdgeA.first = 0; + _BackEdgeB.first = 0; + } + + inline TVertex(SVertex *svFront, SVertex *svBack) : ViewVertex(Nature::T_VERTEX) + { + _FrontSVertex = svFront; + _BackSVertex = svBack; + _FrontEdgeA.first = 0; + _FrontEdgeB.first = 0; + _BackEdgeA.first = 0; + _BackEdgeB.first = 0; + svFront->setViewVertex(this); + svBack->setViewVertex(this); + } + +protected: + /*! Copy constructor. */ + inline TVertex(TVertex& iBrother) : ViewVertex(iBrother) + { + _FrontSVertex = iBrother._FrontSVertex; + _BackSVertex = iBrother._BackSVertex; + _FrontEdgeA = iBrother._FrontEdgeA; + _FrontEdgeB = iBrother._FrontEdgeB; + _BackEdgeA = iBrother._BackEdgeA; + _BackEdgeB = iBrother._BackEdgeB; + _sortedEdges = iBrother._sortedEdges; + } + + /*! Cloning method. */ + virtual ViewVertex *duplicate() + { + TVertex *clone = new TVertex(*this); + return clone; + } + +public: + /* accessors */ + /*! Returns the SVertex that is closer to the viewpoint. */ + inline SVertex *frontSVertex() + { + return _FrontSVertex; + } + + /*! Returns the SVertex that is further away from the viewpoint. */ + inline SVertex *backSVertex() + { + return _BackSVertex; + } + + inline directedViewEdge& frontEdgeA() + { + return _FrontEdgeA; + } + + inline directedViewEdge& frontEdgeB() + { + return _FrontEdgeB; + } + + inline directedViewEdge& backEdgeA() + { + return _BackEdgeA; + } + + inline directedViewEdge& backEdgeB() + { + return _BackEdgeB; + } + + /* modifiers */ + /*! Sets the SVertex that is closer to the viewpoint. */ + inline void setFrontSVertex(SVertex *iFrontSVertex) + { + _FrontSVertex = iFrontSVertex; + _FrontSVertex->setViewVertex(this); + } + + /*! Sets the SVertex that is further away from the viewpoint. */ + inline void setBackSVertex(SVertex *iBackSVertex) + { + _BackSVertex = iBackSVertex; + _BackSVertex->setViewVertex(this); + } + + void setFrontEdgeA(ViewEdge *iFrontEdgeA, bool incoming = true); + void setFrontEdgeB(ViewEdge *iFrontEdgeB, bool incoming = true); + void setBackEdgeA(ViewEdge *iBackEdgeA, bool incoming = true); + void setBackEdgeB(ViewEdge *iBackEdgeB, bool incoming = true); + + /*! Sets the Id. */ + inline void setId(const Id& iId) + { + _Id = iId; + } + + /*! Returns the SVertex (among the 2) belonging to the FEdge iFEdge */ + inline SVertex *getSVertex(FEdge *iFEdge) + { + const vector<FEdge*>& vfEdges = _FrontSVertex->fedges(); + vector<FEdge*>::const_iterator fe, fend; + for (fe = vfEdges.begin(), fend = vfEdges.end(); fe != fend; fe++) { + if ((*fe) == iFEdge) + return _FrontSVertex; + } + + const vector<FEdge*>& vbEdges = _BackSVertex->fedges(); + for (fe = vbEdges.begin(), fend = vbEdges.end(); fe != fend; fe++) { + if ((*fe) == iFEdge) + return _BackSVertex; + } + return NULL; + } + + virtual void Replace(ViewEdge *iOld, ViewEdge *iNew); + + /*! returns the mate edge of iEdgeA. + * For example, if iEdgeA is frontEdgeA, then frontEdgeB is returned. If iEdgeA is frontEdgeB then frontEdgeA + * is returned. Same for back edges + */ + virtual ViewEdge *mate(ViewEdge *iEdgeA) + { + if (iEdgeA == _FrontEdgeA.first) + return _FrontEdgeB.first; + if (iEdgeA == _FrontEdgeB.first) + return _FrontEdgeA.first; + if (iEdgeA == _BackEdgeA.first) + return _BackEdgeB.first; + if (iEdgeA == _BackEdgeB.first) + return _BackEdgeA.first; + return NULL; + } + + /* iterators access */ + virtual edge_iterator edges_begin(); + virtual const_edge_iterator edges_begin() const; + virtual edge_iterator edges_end(); + virtual const_edge_iterator edges_end() const; + virtual edge_iterator edges_iterator(ViewEdge *iEdge); + virtual const_edge_iterator edges_iterator(ViewEdge *iEdge) const; + + /*! Returns an iterator over the ViewEdges that goes to or comes from this ViewVertex pointing to the first + * ViewEdge of the list. The orientedViewEdgeIterator allows to iterate in CCW order over these ViewEdges + * and to get the orientation for each ViewEdge (incoming/outgoing). + */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesBegin(); + + /*! Returns an orientedViewEdgeIterator over the ViewEdges around this ViewVertex, pointing after the last ViewEdge. + */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesEnd(); + + /*! Returns an orientedViewEdgeIterator pointing to the ViewEdge given as argument. */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesIterator(ViewEdge *iEdge); +}; + + +/**********************************/ +/* */ +/* */ +/* NonTVertex */ +/* */ +/* */ +/**********************************/ + + +// (non T vertex) +/*! View vertex for corners, cusps, etc... + * Associated to a single SVertex. + * Can be associated to 2 or several view edges + */ +class LIB_VIEW_MAP_EXPORT NonTVertex : public ViewVertex +{ +public: + typedef vector<directedViewEdge> edges_container; + +public: // Implementation of Interface0D + /*! Returns the string "ViewVertex". */ + virtual string getExactTypeName() const + { + return "NonTVertex"; + } + + // Data access methods + /*! Returns the 3D x coordinate of the vertex. */ + virtual real getX() const + { + return _SVertex->point3D().x(); + } + + /*! Returns the 3D y coordinate of the vertex. */ + virtual real getY() const + { + return _SVertex->point3D().y(); + } + + /*! Returns the 3D z coordinate of the vertex. */ + virtual real getZ() const + { + return _SVertex->point3D().z(); + } + + /*! Returns the 3D point. */ + virtual Vec3f getPoint3D() const + { + return _SVertex->getPoint3D(); + } + + /*! Returns the projected 3D x coordinate of the vertex. */ + virtual real getProjectedX() const + { + return _SVertex->point2D().x(); + } + + /*! Returns the projected 3D y coordinate of the vertex. */ + virtual real getProjectedY() const + { + return _SVertex->point2D().y(); + } + + /*! Returns the projected 3D z coordinate of the vertex. */ + virtual real getProjectedZ() const + { + return _SVertex->point2D().z(); + } + + /*! Returns the 2D point. */ + virtual Vec2f getPoint2D() const + { + return _SVertex->getPoint2D(); + } + + /*! Returns the Id of the vertex. */ + virtual Id getId() const + { + return _SVertex->getId(); + } + + /*! Cast the Interface0D in SVertex if it can be. */ + virtual SVertex *castToSVertex() + { + return _SVertex; + } + + /*! Cast the Interface0D in ViewVertex if it can be. */ + virtual ViewVertex *castToViewVertex() + { + return this; + } + + /*! Cast the Interface0D in NonTVertex if it can be. */ + virtual NonTVertex *castToNonTVertex() + { + return this; + } + +private: + SVertex *_SVertex; + edges_container _ViewEdges; + +public: + /*! Default constructor.*/ + inline NonTVertex() : ViewVertex(Nature::NON_T_VERTEX) + { + _SVertex = NULL; + } + + /*! Builds a NonTVertex from a SVertex. */ + inline NonTVertex(SVertex* iSVertex) : ViewVertex(Nature::NON_T_VERTEX) + { + _SVertex = iSVertex; + _SVertex->setViewVertex(this); + } + +protected: + /*! Copy constructor. */ + inline NonTVertex(NonTVertex& iBrother) : ViewVertex(iBrother) + { + _SVertex = iBrother._SVertex; + _SVertex->setViewVertex(this); + _ViewEdges = iBrother._ViewEdges; + } + + /*! Cloning method. */ + virtual ViewVertex *duplicate() + { + NonTVertex *clone = new NonTVertex(*this); + return clone; + } + +public: + /*! destructor. */ + virtual ~NonTVertex() {} + + /* accessors */ + /*! Returns the SVertex on top of which this NonTVertex is built. */ + inline SVertex *svertex() + { + return _SVertex; + } + + inline edges_container& viewedges() + { + return _ViewEdges; + } + + /* modifiers */ + /*! Sets the SVertex on top of which this NonTVertex is built. */ + inline void setSVertex(SVertex *iSVertex) + { + _SVertex = iSVertex; + _SVertex->setViewVertex(this); + } + + inline void setViewEdges(const vector<directedViewEdge>& iViewEdges) + { + _ViewEdges = iViewEdges; + } + + void AddIncomingViewEdge(ViewEdge *iVEdge); + void AddOutgoingViewEdge(ViewEdge *iVEdge); + + inline void AddViewEdge(ViewEdge *iVEdge, bool incoming = true) + { + if (incoming) + AddIncomingViewEdge(iVEdge); + else + AddOutgoingViewEdge(iVEdge); + } + + /* Replaces old edge by new edge */ + virtual void Replace(ViewEdge *iOld, ViewEdge *iNew) + { + edges_container::iterator insertedve; + for (edges_container::iterator ve = _ViewEdges.begin(), vend = _ViewEdges.end(); ve != vend; ve++) { + if ((ve)->first == iOld) { + insertedve = _ViewEdges.insert(ve, directedViewEdge(iNew, ve->second));// inserts e2 before ve. + // returns an iterator pointing toward e2. ve is invalidated. + // we want to remove e1, but we can't use ve anymore: + insertedve++; // insertedve points now to e1 + _ViewEdges.erase(insertedve); + return; + } + } + } + + /* iterators access */ + virtual edge_iterator edges_begin(); + virtual const_edge_iterator edges_begin() const; + virtual edge_iterator edges_end(); + virtual const_edge_iterator edges_end() const; + virtual edge_iterator edges_iterator(ViewEdge *iEdge); + virtual const_edge_iterator edges_iterator(ViewEdge *iEdge) const; + + /*! Returns an iterator over the ViewEdges that goes to or comes from this ViewVertex pointing to the first + * ViewEdge of the list. The orientedViewEdgeIterator allows to iterate in CCW order over these ViewEdges + * and to get the orientation for each ViewEdge (incoming/outgoing). + */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesBegin(); + + /*! Returns an orientedViewEdgeIterator over the ViewEdges around this ViewVertex, pointing after the last ViewEdge. + */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesEnd(); + + /*! Returns an orientedViewEdgeIterator pointing to the ViewEdge given as argument. */ + virtual ViewVertexInternal::orientedViewEdgeIterator edgesIterator(ViewEdge *iEdge); +}; + +/**********************************/ +/* */ +/* */ +/* ViewEdge */ +/* */ +/* */ +/**********************************/ + +/* Geometry(normals...) + * Nature of edges + * 2D spaces (1or2, material, z...) + * Parent Shape + * 3D Shading, material + * Importance + * Occluders + */ +class ViewShape; + +namespace ViewEdgeInternal { + +template<class Traits> class edge_iterator_base; +template<class Traits> class fedge_iterator_base; +template<class Traits> class vertex_iterator_base; + +} // end of namespace ViewEdgeInternal + +/*! Class defining a ViewEdge. A ViewEdge in an edge of the image graph. it connnects two ViewVertex. + * It is made by connecting a set of FEdges. + */ +class LIB_VIEW_MAP_EXPORT ViewEdge : public Interface1D +{ +public: // Implementation of Interface0D + /*! Returns the string "ViewEdge". */ + virtual string getExactTypeName() const + { + return "ViewEdge"; + } + + // Data access methods + /*! Returns the Id of the vertex. */ + virtual Id getId() const + { + return _Id; + } + + /*! Returns the nature of the ViewEdge. */ + virtual Nature::EdgeNature getNature() const + { + return _Nature; + } + +public: + typedef SVertex vertex_type; + friend class ViewShape; + // for ViewEdge iterator + typedef ViewEdgeInternal::edge_iterator_base<Nonconst_traits<ViewEdge*> > edge_iterator; + typedef ViewEdgeInternal::edge_iterator_base<Const_traits<ViewEdge*> > const_edge_iterator; + // for fedge iterator + typedef ViewEdgeInternal::fedge_iterator_base<Nonconst_traits<FEdge*> > fedge_iterator; + typedef ViewEdgeInternal::fedge_iterator_base<Const_traits<FEdge*> > const_fedge_iterator; + // for svertex iterator + typedef ViewEdgeInternal::vertex_iterator_base<Nonconst_traits<SVertex*> > vertex_iterator; + typedef ViewEdgeInternal::vertex_iterator_base<Const_traits<SVertex*> > const_vertex_iterator; + +private: + ViewVertex *__A; // edge starting vertex + ViewVertex *__B; // edge ending vertex + Nature::EdgeNature _Nature; // nature of view edge + ViewShape *_Shape; // shape to which the view edge belongs + FEdge *_FEdgeA; // first edge of the embedded fedges chain + FEdge *_FEdgeB; // last edge of the embedded fedges chain + Id _Id; + unsigned _ChainingTimeStamp; + // The silhouette view edge separates 2 2D spaces. The one on the left is necessarly the Shape _Shape (the one to + // which this edge belongs to) and _aShape is the one on its right + // NOT HANDLED BY THE COPY CONSTRUCTOR + ViewShape *_aShape; + int _qi; + vector<ViewShape*> _Occluders; + bool _isInImage; + + // tmp + Id *_splittingId; + +public: + /*! A field that can be used by the user to store any data. + * This field must be reseted afterwards using ResetUserData(). + */ + void *userdata; + + /*! Default constructor. */ + inline ViewEdge() + { + __A = NULL; + __B = NULL; + _FEdgeA = NULL; + _FEdgeB = NULL; + _ChainingTimeStamp = 0; + _qi = 0; + _aShape = NULL; + userdata = NULL; + _splittingId = NULL; + _isInImage = true; + } + + inline ViewEdge(ViewVertex *iA, ViewVertex *iB) + { + __A = iA; + __B = iB; + _FEdgeA = NULL; + _FEdgeB = NULL; + _Shape = 0; + _ChainingTimeStamp = 0; + _qi = 0; + _aShape = NULL; + userdata = NULL; + _splittingId = NULL; + _isInImage = true; + } + + inline ViewEdge(ViewVertex *iA, ViewVertex *iB, FEdge *iFEdgeA) + { + __A = iA; + __B = iB; + _FEdgeA = iFEdgeA; + _FEdgeB = NULL; + _Shape = NULL; + _ChainingTimeStamp = 0; + _qi = 0; + _aShape = NULL; + userdata = NULL; + _splittingId = NULL; + _isInImage = true; + } + + inline ViewEdge(ViewVertex *iA, ViewVertex *iB, FEdge *iFEdgeA, FEdge *iFEdgeB, ViewShape *iShape) + { + __A = iA; + __B = iB; + _FEdgeA = iFEdgeA; + _FEdgeB = iFEdgeB; + _Shape = iShape; + _ChainingTimeStamp = 0; + _qi = 0; + _aShape = NULL; + userdata = NULL; + _splittingId = NULL; + _isInImage = true; + UpdateFEdges(); // tells every FEdge between iFEdgeA and iFEdgeB that this is theit ViewEdge + } + +//soc protected: + /*! Copy constructor. */ + inline ViewEdge(ViewEdge& iBrother) + { + __A = iBrother.__A; + __B = iBrother.__B; + _FEdgeA = iBrother._FEdgeA; + _FEdgeB = iBrother._FEdgeB; + _Nature = iBrother._Nature; + _Shape = NULL; + _Id = iBrother._Id; + _ChainingTimeStamp = iBrother._ChainingTimeStamp; + _aShape = iBrother._aShape; + _qi = iBrother._qi; + _splittingId = NULL; + _isInImage = iBrother._isInImage; + iBrother.userdata = this; + userdata = NULL; + } + + /*! Cloning method. */ + virtual ViewEdge *duplicate() + { + ViewEdge *clone = new ViewEdge(*this); + return clone; + } + +public: + /*! Destructor. */ + virtual ~ViewEdge() + { +#if 0 + if (_aFace) { + delete _aFace; + _aFace = NULL; + } +#endif + // only the last splitted deletes this id + if (_splittingId) { + if (*_splittingId == _Id) + delete _splittingId; + } + } + + /* accessors */ + /*! Returns the first ViewVertex. */ + inline ViewVertex *A() + { + return __A; + } + + /*! Returns the second ViewVertex. */ + inline ViewVertex *B() + { + return __B; + } + + /*! Returns the first FEdge that constitues this ViewEdge. */ + inline FEdge *fedgeA() + { + return _FEdgeA; + } + + /*! Returns the last FEdge that constitues this ViewEdge. */ + inline FEdge *fedgeB() + { + return _FEdgeB; + } + + /*! Returns the ViewShape to which this ViewEdge belongs to .*/ + inline ViewShape *viewShape() + { + return _Shape; + } + + /*! Returns the shape that is occluded by the ViewShape to which this ViewEdge belongs to. If no object is occluded, + * NULL is returned. + * \return The occluded ViewShape. + */ + inline ViewShape *aShape() + { + return _aShape; + } + + /*! Tells whether this ViewEdge forms a closed loop or not. */ + inline bool isClosed() + { + if (!__B) + return true; + return false; + } + + /*! Returns the time stamp of this ViewEdge. */ + inline unsigned getChainingTimeStamp() + { + return _ChainingTimeStamp; + } + + inline const ViewShape *aShape() const + { + return _aShape; + } + + inline const ViewShape *bShape() const + { + return _Shape; + } + + inline vector<ViewShape*>& occluders() + { + return _Occluders; + } + + inline Id *splittingId() + { + return _splittingId; + } + + inline bool isInImage() const + { + return _isInImage; + } + + /* modifiers */ + /*! Sets the first ViewVertex of the ViewEdge. */ + inline void setA(ViewVertex *iA) + { + __A = iA; + } + + /*! Sets the last ViewVertex of the ViewEdge. */ + inline void setB(ViewVertex *iB) + { + __B = iB; + } + + /*! Sets the nature of the ViewEdge. */ + inline void setNature(Nature::EdgeNature iNature) + { + _Nature = iNature; + } + + /*! Sets the first FEdge of the ViewEdge. */ + inline void setFEdgeA(FEdge *iFEdge) + { + _FEdgeA = iFEdge; + } + + /*! Sets the last FEdge of the ViewEdge. */ + inline void setFEdgeB(FEdge *iFEdge) + { + _FEdgeB = iFEdge; + } + + /*! Sets the ViewShape to which this ViewEdge belongs to.*/ + inline void setShape(ViewShape *iVShape) + { + _Shape = iVShape; + } + + /*! Sets the ViewEdge id. */ + inline void setId(const Id& id) + { + _Id = id; + } + + /*! Sets Viewedge to this for all embedded fedges */ + void UpdateFEdges(); + + /*! Sets the occluded ViewShape */ + inline void setaShape(ViewShape *iShape) + { + _aShape = iShape; + } + + /*! Sets the quantitative invisibility value. */ + inline void setQI(int qi) + { + _qi = qi; + } + + /*! Sets the time stamp value. */ + inline void setChainingTimeStamp(unsigned ts) + { + _ChainingTimeStamp = ts; + } + + inline void AddOccluder(ViewShape *iShape) + { + _Occluders.push_back(iShape); + } + + inline void setSplittingId(Id *id) + { + _splittingId = id; + } + + inline void setIsInImage(bool iFlag) + { + _isInImage = iFlag; + } + + /* stroke interface definition */ + inline bool intersect_2d_area(const Vec2r& iMin, const Vec2r& iMax) const + { + // parse edges to check if one of them is intersection the region: + FEdge *current = _FEdgeA; + do { + if (GeomUtils::intersect2dSeg2dArea(iMin, iMax, + Vec2r(current->vertexA()->point2D()[0], + current->vertexA()->point2D()[1]), + Vec2r(current->vertexB()->point2D()[0], + current->vertexB()->point2D()[1]))) + { + return true; + } + current = current->nextEdge(); + } while ((current != 0) && (current != _FEdgeA)); + + return false; + } + + inline bool include_in_2d_area(const Vec2r& iMin, const Vec2r& iMax) const + { + // parse edges to check if all of them are intersection the region: + FEdge *current = _FEdgeA; + + do { + if (!GeomUtils::include2dSeg2dArea(iMin, iMax, + Vec2r(current->vertexA()->point2D()[0], + current->vertexA()->point2D()[1]), + Vec2r(current->vertexB()->point2D()[0], + current->vertexB()->point2D()[1]))) + { + return false; + } + current = current->nextEdge(); + } while ((current != 0) && (current != _FEdgeA)); + + return true; + } + + /* Information access interface */ + +#if 0 + inline Nature::EdgeNature viewedge_nature() const + { + return getNature(); + } + + float viewedge_length() const; +#endif + + /*! Returns the 2D length of the Viewedge. */ + real getLength2D() const; + +#if 0 + inline Material material() const + { + return _FEdgeA->vertexA()->shape()->material(); + } +#endif + + inline int qi() const + { + return _qi; + } + + inline occluder_container::const_iterator occluders_begin() const + { + return _Occluders.begin(); + } + + inline occluder_container::const_iterator occluders_end() const + { + return _Occluders.end(); + } + + inline int occluders_size() const + { + return _Occluders.size(); + } + + inline bool occluders_empty() const + { + return _Occluders.empty(); + } + + inline const Polygon3r& occludee() const + { + return (_FEdgeA->aFace()); + } + + inline const SShape *occluded_shape() const; + + inline const bool occludee_empty() const + { + if (_aShape == 0) + return true; + return false; + } + + //inline real z_discontinuity(int iCombination = 0) const; + + inline Id shape_id() const + { + return _FEdgeA->vertexA()->shape()->getId(); + } + + inline const SShape *shape() const + { + return _FEdgeA->vertexA()->shape(); + } + + inline float shape_importance() const + { + return _FEdgeA->shape_importance(); + } + + /* iterators access */ + // view edge iterator + edge_iterator ViewEdge_iterator(); + const_edge_iterator ViewEdge_iterator() const; + // feature edge iterator + fedge_iterator fedge_iterator_begin(); + const_fedge_iterator fedge_iterator_begin() const; + fedge_iterator fedge_iterator_last(); + const_fedge_iterator fedge_iterator_last() const; + fedge_iterator fedge_iterator_end(); + const_fedge_iterator fedge_iterator_end() const; + // embedding vertex iterator + const_vertex_iterator vertices_begin() const; + vertex_iterator vertices_begin(); + const_vertex_iterator vertices_last() const; + vertex_iterator vertices_last(); + const_vertex_iterator vertices_end() const; + vertex_iterator vertices_end(); + + // Iterator access (Interface1D) + /*! Returns an Interface0DIterator to iterate over the SVertex constituing the embedding of this ViewEdge. + * The returned Interface0DIterator points to the first SVertex of the ViewEdge. + */ + virtual Interface0DIterator verticesBegin(); + + /*! Returns an Interface0DIterator to iterate over the SVertex constituing the embedding of this ViewEdge. + * The returned Interface0DIterator points after the last SVertex of the ViewEdge. + */ + virtual Interface0DIterator verticesEnd(); + + /*! Returns an Interface0DIterator to iterate over the points of this ViewEdge at a given resolution. + * The returned Interface0DIterator points on the first Point of the ViewEdge. + * \param t + * the sampling value. + */ + virtual Interface0DIterator pointsBegin(float t = 0.0f); + + /*! Returns an Interface0DIterator to iterate over the points of this ViewEdge at a given resolution. + * The returned Interface0DIterator points after the last Point of the ViewEdge. + * \param t + * the sampling value. + */ + virtual Interface0DIterator pointsEnd(float t = 0.0f); +}; + + +/**********************************/ +/* */ +/* */ +/* ViewShape */ +/* */ +/* */ +/**********************************/ + +/*! Class gathering the elements of the ViewMap (ViewVertex, ViewEdge) that are issued from the same input shape. */ +class LIB_VIEW_MAP_EXPORT ViewShape +{ +private: + vector<ViewVertex*> _Vertices; + vector<ViewEdge*> _Edges; + SShape *_SShape; + +public: + /*! A field that can be used by the user to store any data. + * This field must be reseted afterwards using ResetUserData(). + */ + void *userdata; + + /*! Default constructor.*/ + inline ViewShape() + { + userdata = NULL; + _SShape = NULL; + } + + /*! Builds a ViewShape from a SShape. */ + inline ViewShape(SShape *iSShape) + { + userdata = NULL; + _SShape = iSShape; + //_SShape->setViewShape(this); + } + + /*! Copy constructor. */ + inline ViewShape(ViewShape& iBrother) + { + userdata = NULL; + vector<ViewVertex*>::iterator vv,vvend; + vector<ViewEdge*>::iterator ve, veend; + + _SShape = iBrother._SShape; + + vector<ViewVertex*>& vvertices = iBrother.vertices(); + // duplicate vertices + for (vv = vvertices.begin(), vvend = vvertices.end(); vv != vvend; vv++) { + ViewVertex *newVertex = (*vv)->duplicate(); + AddVertex(newVertex); + } + + vector<ViewEdge*>& vvedges = iBrother.edges(); + // duplicate edges + for (ve = vvedges.begin(), veend = vvedges.end(); ve != veend; ve++) { + ViewEdge *newEdge = (*ve)->duplicate(); + AddEdge(newEdge); // here the shape is set as the edge's shape + } + + //------------------------- + // remap edges in vertices: + //------------------------- + for (vv = _Vertices.begin(), vvend = _Vertices.end(); vv != vvend; vv++) { + switch ((*vv)->getNature()) { + case Nature::T_VERTEX: + { + TVertex *v = (TVertex*)(*vv); + ViewEdge *veFrontA = (ViewEdge*)(v)->frontEdgeA().first->userdata; + ViewEdge *veFrontB = (ViewEdge*)(v)->frontEdgeB().first->userdata; + ViewEdge *veBackA = (ViewEdge*)(v)->backEdgeA().first->userdata; + ViewEdge *veBackB = (ViewEdge*)(v)->backEdgeB().first->userdata; + + v->setFrontEdgeA(veFrontA, v->frontEdgeA().second); + v->setFrontEdgeB(veFrontB, v->frontEdgeB().second); + v->setBackEdgeA(veBackA, v->backEdgeA().second); + v->setBackEdgeB(veBackB, v->backEdgeB().second); + } + break; + case Nature::NON_T_VERTEX: + { + NonTVertex *v = (NonTVertex*)(*vv); + vector<ViewVertex::directedViewEdge>& vedges = (v)->viewedges(); + vector<ViewVertex::directedViewEdge> newEdges; + for (vector<ViewVertex::directedViewEdge>::iterator ve = vedges.begin(), veend = vedges.end(); + ve != veend; + ve++) + { + ViewEdge *current = (ViewEdge*)((ve)->first)->userdata; + newEdges.push_back(ViewVertex::directedViewEdge(current, ve->second)); + } + (v)->setViewEdges(newEdges); + } + break; + default: + break; + } + } + + //------------------------------------- + // remap vertices in edges: + //------------------------------------- + for (ve = _Edges.begin(), veend = _Edges.end(); ve != veend; ve++) { + (*ve)->setA((ViewVertex*)((*ve)->A()->userdata)); + (*ve)->setB((ViewVertex*)((*ve)->B()->userdata)); + //--------------------------------------- + // Update all embedded FEdges + //--------------------------------------- + (*ve)->UpdateFEdges(); + } + + // reset all brothers userdata to NULL: + //------------------------------------- + //--------- + // vertices + //--------- + for (vv = vvertices.begin(), vvend = vvertices.end(); vv != vvend; vv++) { + (*vv)->userdata = NULL; + } + + //------ + // edges + //------ + for (ve = vvedges.begin(), veend = vvedges.end(); ve != veend; ve++) { + (*ve)->userdata = NULL; + } + } + + /*! Cloning method. */ + virtual ViewShape *duplicate() + { + ViewShape *clone = new ViewShape(*this); + return clone; + } + + /*! Destructor. */ + virtual ~ViewShape(); + + /* splits a view edge into several view edges. + * fe + * The FEdge that gets splitted + * iViewVertices + * The view vertices corresponding to the different intersections for the edge fe. + * This list need to be sorted such as the first view vertex is the farther away from fe->vertexA. + * ioNewEdges + * The feature edges that are newly created (the initial edges are not included) are added to this list. + * ioNewViewEdges + * The view edges that are newly created (the initial edges are not included) are added to this list. + */ + inline void SplitEdge(FEdge *fe, const vector<TVertex*>& iViewVertices, vector<FEdge*>& ioNewEdges, + vector<ViewEdge*>& ioNewViewEdges); + + /* accessors */ + /*! Returns the SShape on top of which this ViewShape is built. */ + inline SShape *sshape() + { + return _SShape; + } + + /*! Returns the SShape on top of which this ViewShape is built. */ + inline const SShape *sshape() const + { + return _SShape; + } + + /*! Returns the list of ViewVertex contained in this ViewShape. */ + inline vector<ViewVertex*>& vertices() + { + return _Vertices; + } + + /*! Returns the list of ViewEdge contained in this ViewShape. */ + inline vector<ViewEdge*>& edges() + { + return _Edges; + } + + /*! Returns the ViewShape id. */ + inline Id getId() const + { + return _SShape->getId(); + } + + /*! Returns the ViewShape id. */ + inline const string& getName() const + { + return _SShape->getName(); + } + + /* modifiers */ + /*! Sets the SShape on top of which the ViewShape is built. */ + inline void setSShape(SShape *iSShape) + { + _SShape = iSShape; + } + + /*! Sets the list of ViewVertex contained in this ViewShape. */ + inline void setVertices(const vector<ViewVertex*>& iVertices) + { + _Vertices = iVertices; + } + + /*! Sets the list of ViewEdge contained in this ViewShape. */ + inline void setEdges(const vector<ViewEdge*>& iEdges) + { + _Edges = iEdges; + } + + /*! Adds a ViewVertex to the list. */ + inline void AddVertex(ViewVertex *iVertex) + { + _Vertices.push_back(iVertex); + //_SShape->AddNewVertex(iVertex->svertex()); + } + + /*! Adds a ViewEdge to the list */ + inline void AddEdge(ViewEdge *iEdge) + { + _Edges.push_back(iEdge); + iEdge->setShape(this); + //_SShape->AddNewEdge(iEdge->fedge()); + } + + /* removes the view edge iViewEdge in the View Shape and the associated FEdge chain entry in the underlying SShape + */ + void RemoveEdge(ViewEdge *iViewEdge); + + /* removes the view vertex iViewVertex in the View Shape. */ + void RemoveVertex(ViewVertex *iViewVertex); +}; + + +/* + ############################################# + ############################################# + ############################################# + ###### ###### + ###### I M P L E M E N T A T I O N ###### + ###### ###### + ############################################# + ############################################# + ############################################# +*/ +/* for inline functions */ + +void ViewShape::SplitEdge(FEdge *fe, const vector<TVertex*>& iViewVertices, vector<FEdge*>& ioNewEdges, + vector<ViewEdge*>& ioNewViewEdges) +{ + ViewEdge *vEdge = fe->viewedge(); + + // We first need to sort the view vertices from farther to closer to fe->vertexA + SVertex *sv, *sv2; + ViewVertex *vva, *vvb; + vector<TVertex*>::const_iterator vv, vvend; + for (vv = iViewVertices.begin(), vvend = iViewVertices.end(); vv != vvend; vv++) { + // Add the viewvertices to the ViewShape + AddVertex((*vv)); + + // retrieve the correct SVertex from the view vertex + //-------------------------------------------------- + sv = (*vv)->frontSVertex(); + sv2 = (*vv)->backSVertex(); + + if (sv->shape() != sv2->shape()) { + if (sv->shape() != _SShape) + sv = sv2; + } + else { + // if the shape is the same we can safely differ the two vertices using their ids: + if (sv->getId() != fe->vertexA()->getId()) + sv = sv2; + } + + vva = vEdge->A(); + vvb = vEdge->B(); + + // We split Fedge AB into AA' and A'B. A' and A'B are created. + // AB becomes (address speaking) AA'. B is updated. + //-------------------------------------------------- + SShape *shape = fe->shape(); + + // a new edge, A'B is created. + FEdge *newEdge = shape->SplitEdgeIn2(fe, sv); + /* One of the two FEdges (fe and newEdge) may have a 2D length less than M_EPSILON. + * (22 Feb 2011, T.K.) + */ + + ioNewEdges.push_back(newEdge); + ViewEdge *newVEdge; + + if ((vva == 0) || (vvb == 0)) { // that means we're dealing with a closed viewedge (loop) + // remove the chain that was starting by the fedge A of vEdge (which is different from fe !!!!) + shape->RemoveEdgeFromChain(vEdge->fedgeA()); + // we set + vEdge->setA(*vv); + vEdge->setB(*vv); + vEdge->setFEdgeA(newEdge); + //FEdge *previousEdge = newEdge->previousEdge(); + vEdge->setFEdgeB(fe); + newVEdge = vEdge; + vEdge->fedgeA()->setViewEdge(newVEdge); + } + else { + // while we create the view edge, it updates the "ViewEdge" pointer of every underlying FEdges to this. + newVEdge = new ViewEdge((*vv), vvb); //, newEdge, vEdge->fedgeB()); + newVEdge->setNature((fe)->getNature()); + newVEdge->setFEdgeA(newEdge); + //newVEdge->setFEdgeB(fe); + // If our original viewedge is made of one FEdge, then + if ((vEdge->fedgeA() == vEdge->fedgeB()) || (fe == vEdge->fedgeB())) + newVEdge->setFEdgeB(newEdge); + else + newVEdge->setFEdgeB(vEdge->fedgeB()); //MODIF + + Id *newId = vEdge->splittingId(); + if (newId == 0) { + newId = new Id(vEdge->getId()); + vEdge->setSplittingId(newId); + } + newId->setSecond(newId->getSecond() + 1); + newVEdge->setId(*newId); + newVEdge->setSplittingId(newId); +#if 0 + Id id(vEdge->getId().getFirst(), vEdge->getId().getSecond() + 1); + newVEdge->setId(vEdge->getId()); + vEdge->setId(id); +#endif + + AddEdge(newVEdge); // here this shape is set as the edge's shape + + // add new edge to the list of new edges passed as argument: + ioNewViewEdges.push_back(newVEdge); + + if (0 != vvb) + vvb->Replace((vEdge), newVEdge); + + // we split the view edge: + vEdge->setB((*vv)); + vEdge->setFEdgeB(fe); //MODIF + + // Update fedges so that they point to the new viewedge: + newVEdge->UpdateFEdges(); + } + // check whether this vertex is a front vertex or a back one + if (sv == (*vv)->frontSVertex()) { + // -- View Vertex A' -- + (*vv)->setFrontEdgeA(vEdge, true); + (*vv)->setFrontEdgeB(newVEdge, false); + } + else { + // -- View Vertex A' -- + (*vv)->setBackEdgeA(vEdge, true); + (*vv)->setBackEdgeB(newVEdge, false); + } + } +} + +/**********************************/ +/* */ +/* */ +/* ViewEdge */ +/* */ +/* */ +/**********************************/ + +#if 0 +inline Vec3r ViewEdge::orientation2d(int iCombination) const +{ + return edge_orientation2d_function<ViewEdge>(*this, iCombination); +} + +inline Vec3r ViewEdge::orientation3d(int iCombination) const +{ + return edge_orientation3d_function<ViewEdge>(*this, iCombination); +} + +inline real ViewEdge::z_discontinuity(int iCombination) const +{ + return z_discontinuity_edge_function<ViewEdge>(*this, iCombination); +} + +inline float ViewEdge::local_average_depth(int iCombination ) const +{ + return local_average_depth_edge_function<ViewEdge>(*this, iCombination); +} + +inline float ViewEdge::local_depth_variance(int iCombination) const +{ + return local_depth_variance_edge_function<ViewEdge>(*this, iCombination); +} + +inline real ViewEdge::local_average_density(float sigma, int iCombination) const +{ + return density_edge_function<ViewEdge>(*this, iCombination); +} +#endif + +inline const SShape * ViewEdge::occluded_shape() const +{ + if (0 == _aShape) + return 0; + return _aShape->sshape(); +} + +#if 0 +inline Vec3r ViewEdge::curvature2d_as_vector(int iCombination) const +{ + return curvature2d_as_vector_edge_function<ViewEdge>(*this, iCombination); +} + +inline real ViewEdge::curvature2d_as_angle(int iCombination) const +{ + return curvature2d_as_angle_edge_function<ViewEdge>(*this, iCombination); +} +#endif + +#endif // __FREESTYLE_VIEW_MAP_H__ |