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Diffstat (limited to 'source/blender/freestyle/intern/view_map/Silhouette.h')
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diff --git a/source/blender/freestyle/intern/view_map/Silhouette.h b/source/blender/freestyle/intern/view_map/Silhouette.h new file mode 100644 index 00000000000..2efe111add5 --- /dev/null +++ b/source/blender/freestyle/intern/view_map/Silhouette.h @@ -0,0 +1,1876 @@ +/* + * ***** 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_SILHOUETTE_H__ +#define __FREESTYLE_SILHOUETTE_H__ + +/** \file blender/freestyle/intern/view_map/Silhouette.h + * \ingroup freestyle + * \brief Classes to define a silhouette structure + * \author Stephane Grabli + * \date 25/03/2002 + */ + +#include <float.h> +#include <iostream> +#include <set> +#include <string> +#include <vector> + +#include "Interface0D.h" +#include "Interface1D.h" + +#include "../geometry/BBox.h" +#include "../geometry/Geom.h" +#include "../geometry/Polygon.h" + +#include "../scene_graph/FrsMaterial.h" + +#include "../system/Exception.h" +#include "../system/FreestyleConfig.h" + +#include "../winged_edge/Curvature.h" + +using namespace std; +using namespace Geometry; + +class ViewShape; +typedef vector<ViewShape*> occluder_container; + +/**********************************/ +/* */ +/* */ +/* SVertex */ +/* */ +/* */ +/**********************************/ + +class FEdge; +class ViewVertex; +class SShape; + +/*! Class to define a vertex of the embedding. */ +class LIB_VIEW_MAP_EXPORT SVertex : public Interface0D +{ +public: // Implementation of Interface0D + /*! Returns the string "SVertex" .*/ + virtual string getExactTypeName() const + { + return "SVertex"; + } + + // Data access methods + /*! Returns the 3D x coordinate of the vertex .*/ + virtual real getX() const + { + return _Point3D.x(); + } + + /*! Returns the 3D y coordinate of the vertex .*/ + virtual real getY() const + { + return _Point3D.y(); + } + + /*! Returns the 3D z coordinate of the vertex .*/ + virtual real getZ() const + { + return _Point3D.z(); + } + + /*! Returns the 3D point. */ + virtual Vec3f getPoint3D() const + { + return _Point3D; + } + + /*! Returns the projected 3D x coordinate of the vertex .*/ + virtual real getProjectedX() const + { + return _Point2D.x(); + } + + /*! Returns the projected 3D y coordinate of the vertex .*/ + virtual real getProjectedY() const + { + return _Point2D.y(); + } + + /*! Returns the projected 3D z coordinate of the vertex .*/ + virtual real getProjectedZ() const + { + return _Point2D.z(); + } + + /*! Returns the 2D point. */ + virtual Vec2f getPoint2D() const + { + return Vec2f((float)_Point2D.x(), (float)_Point2D.y()); + } + + /*! Returns the FEdge that lies between this Svertex and the Interface0D given as argument. */ + virtual FEdge *getFEdge(Interface0D&); + + /*! Returns the Id of the vertex .*/ + virtual Id getId() const + { + return _Id; + } + + /*! Returns the nature of the vertex .*/ + virtual Nature::VertexNature getNature() const; + + /*! Cast the Interface0D in SVertex if it can be. */ + virtual SVertex *castToSVertex(); + + /*! Cast the Interface0D in ViewVertex if it can be. */ + virtual ViewVertex *castToViewVertex(); + + /*! Cast the Interface0D in NonTVertex if it can be. */ + virtual NonTVertex *castToNonTVertex(); + + /*! Cast the Interface0D in TVertex if it can be. */ + virtual TVertex *castToTVertex(); + +public: + typedef vector<FEdge*> fedges_container; + +private: + Id _Id; + Vec3r _Point3D; + Vec3r _Point2D; + set<Vec3r> _Normals; + vector<FEdge*> _FEdges; // the edges containing this vertex + SShape *_Shape; // the shape to which belongs the vertex + ViewVertex *_pViewVertex; // The associated viewvertex, in case there is one. + real _curvatureFredo; + Vec2r _directionFredo; + CurvatureInfo *_curvature_info; + +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 SVertex() + { + _Id = 0; + userdata = NULL; + _Shape = NULL; + _pViewVertex = 0; + _curvature_info = 0; + } + + /*! Builds a SVertex from 3D coordinates and an Id. */ + inline SVertex(const Vec3r &iPoint3D, const Id& id) + { + _Point3D = iPoint3D; + _Id = id; + userdata = NULL; + _Shape = NULL; + _pViewVertex = 0; + _curvature_info = 0; + } + + /*! Copy constructor. */ + inline SVertex(SVertex& iBrother) + { + _Id = iBrother._Id; + _Point3D = iBrother.point3D(); + _Point2D = iBrother.point2D(); + _Normals = iBrother._Normals; + _FEdges = iBrother.fedges(); + _Shape = iBrother.shape(); + _pViewVertex = iBrother._pViewVertex; + if (!(iBrother._curvature_info)) + _curvature_info = 0; + else + _curvature_info = new CurvatureInfo(*(iBrother._curvature_info)); + iBrother.userdata = this; + userdata = 0; + } + + /*! Destructor. */ + virtual ~SVertex() + { + if (_curvature_info) + delete _curvature_info; + } + + /*! Cloning method. */ + virtual SVertex *duplicate() + { + SVertex *clone = new SVertex(*this); + return clone; + } + + /*! operator == */ + virtual bool operator==(const SVertex& iBrother) + { + return ((_Point2D == iBrother._Point2D) && (_Point3D == iBrother._Point3D)); + } + + /* accessors */ + inline const Vec3r& point3D() const + { + return _Point3D; + } + + inline const Vec3r& point2D() const + { + return _Point2D; + } + + /*! Returns the set of normals for this Vertex. + * In a smooth surface, a vertex has exactly one normal. + * In a sharp surface, a vertex can have any number of normals. + */ + inline set<Vec3r> normals() + { + return _Normals; + } + + /*! Returns the number of different normals for this vertex. */ + inline unsigned normalsSize() const + { + return _Normals.size(); + } + + inline const vector<FEdge*>& fedges() + { + return _FEdges; + } + + inline fedges_container::iterator fedges_begin() + { + return _FEdges.begin(); + } + + inline fedges_container::iterator fedges_end() + { + return _FEdges.end(); + } + + inline SShape *shape() + { + return _Shape; + } + + inline real z() const + { + return _Point2D[2]; + } + + /*! If this SVertex is also a ViewVertex, this method returns a pointer onto this ViewVertex. + * 0 is returned otherwise. + */ + inline ViewVertex *viewvertex() + { + return _pViewVertex; + } + + /*! modifiers */ + /*! Sets the 3D coordinates of the SVertex. */ + inline void setPoint3D(const Vec3r &iPoint3D) + { + _Point3D = iPoint3D; + } + + /*! Sets the 3D projected coordinates of the SVertex. */ + inline void setPoint2D(const Vec3r &iPoint2D) + { + _Point2D = iPoint2D; + } + + /*! Adds a normal to the Svertex's set of normals. If the same normal is already in the set, nothing changes. */ + inline void AddNormal(const Vec3r& iNormal) + { + _Normals.insert(iNormal); // if iNormal in the set already exists, nothing is done + } + + void setCurvatureInfo(CurvatureInfo *ci) + { + if (_curvature_info) // Q. is this an error condition? (T.K. 02-May-2011) + delete _curvature_info; + _curvature_info = ci; + } + + const CurvatureInfo *getCurvatureInfo() const + { + return _curvature_info; + } + + /* Fredo's normal and curvature*/ + void setCurvatureFredo(real c) + { + _curvatureFredo = c; + } + + void setDirectionFredo(Vec2r d) + { + _directionFredo = d; + } + + real curvatureFredo () + { + return _curvatureFredo; + } + + const Vec2r directionFredo () + { + return _directionFredo; + } + + /*! Sets the Id */ + inline void setId(const Id& id) + { + _Id = id; + } + + inline void setFEdges(const vector<FEdge*>& iFEdges) + { + _FEdges = iFEdges; + } + + inline void setShape(SShape *iShape) + { + _Shape = iShape; + } + + inline void setViewVertex(ViewVertex *iViewVertex) + { + _pViewVertex = iViewVertex; + } + + /*! Add an FEdge to the list of edges emanating from this SVertex. */ + inline void AddFEdge(FEdge *iFEdge) + { + _FEdges.push_back(iFEdge); + } + + /* replaces edge 1 by edge 2 in the list of edges */ + inline void Replace(FEdge *e1, FEdge *e2) + { + vector<FEdge*>::iterator insertedfe; + for (vector<FEdge*>::iterator fe = _FEdges.begin(),fend = _FEdges.end(); fe != fend; fe++) { + if ((*fe) == e1) { + insertedfe = _FEdges.insert(fe, e2);// inserts e2 before fe. + // returns an iterator pointing toward e2. fe is invalidated. + // we want to remove e1, but we can't use fe anymore: + ++insertedfe; // insertedfe points now to e1 + _FEdges.erase(insertedfe); + return; + } + } + } + +public: + /* Information access interface */ + FEdge *fedge(); // for non T vertex + + inline const Vec3r& point2d() const + { + return point2D(); + } + + inline const Vec3r& point3d() const + { + return point3D(); + } + + inline Vec3r normal() const + { + if (_Normals.size() == 1) + return (*(_Normals.begin())); + Exception::raiseException(); + return *(_Normals.begin()); + } + + //Material material() const ; + Id shape_id() const; + const SShape *shape() const; + float shape_importance() const; + + const int qi() const; + occluder_container::const_iterator occluders_begin() const; + occluder_container::const_iterator occluders_end() const; + bool occluders_empty() const; + int occluders_size() const; + const Polygon3r& occludee() const; + const SShape *occluded_shape() const; + const bool occludee_empty() const; + real z_discontinuity() const; +#if 0 + inline float local_average_depth() const; + inline float local_depth_variance() const; + inline real local_average_density(float sigma = 2.3f) const; + inline Vec3r shaded_color() const; + inline Vec3r orientation2d() const; + inline Vec3r orientation3d() const; + inline Vec3r curvature2d_as_vector() const; + /*! angle in radians */ + inline real curvature2d_as_angle() const; +#endif +}; + +/**********************************/ +/* */ +/* */ +/* FEdge */ +/* */ +/* */ +/**********************************/ + +class ViewEdge; + +/*! Base Class for feature edges. + * This FEdge can represent a silhouette, a crease, a ridge/valley, a border or a suggestive contour. + * For silhouettes, the FEdge is oriented such as, the visible face lies on the left of the edge. + * For borders, the FEdge is oriented such as, the face lies on the left of the edge. + * An FEdge can represent an initial edge of the mesh or runs accross a face of the initial mesh depending + * on the smoothness or sharpness of the mesh. + * This class is specialized into a smooth and a sharp version since their properties slightly vary from + * one to the other. + */ +class LIB_VIEW_MAP_EXPORT FEdge : public Interface1D +{ +public: // Implementation of Interface0D + /*! Returns the string "FEdge". */ + virtual string getExactTypeName() const + { + return "FEdge"; + } + + // Data access methods + + /*! Returns the 2D length of the FEdge. */ + virtual real getLength2D() const + { + if (!_VertexA || !_VertexB) + return 0; + return (_VertexB->getPoint2D() - _VertexA->getPoint2D()).norm(); + } + + /*! Returns the Id of the FEdge. */ + virtual Id getId() const + { + return _Id; + } + +public: + // An edge can only be of one kind (SILHOUETTE or BORDER, etc...) + // For an multi-nature edge there must be several different FEdge. + // DEBUG: + // Vec3r A; + // Vec3r u; + // vector<Polygon3r> _Occludees; + // Vec3r intersection; + // vector<Vec3i> _Cells; + +protected: + SVertex *_VertexA; + SVertex *_VertexB; + Id _Id; + Nature::EdgeNature _Nature; + //vector<Polygon3r> _Occluders; // visibility // NOT HANDLED BY THE COPY CONSTRUCTOR!! + + FEdge *_NextEdge; // next edge on the chain + FEdge *_PreviousEdge; + ViewEdge *_ViewEdge; + // Sometimes we need to deport the visibility computation onto another edge. For example the exact edges use + // edges of the mesh to compute their visibility + + Polygon3r _aFace; // The occluded face which lies on the right of a silhouette edge + Vec3r _occludeeIntersection; + bool _occludeeEmpty; + + bool _isSmooth; + + bool _isInImage; + +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 FEdge() + { + userdata = NULL; + _VertexA = NULL; + _VertexB = NULL; + _Nature = Nature::NO_FEATURE; + _NextEdge = NULL; + _PreviousEdge = NULL; + _ViewEdge = NULL; + //_hasVisibilityPoint = false; + _occludeeEmpty = true; + _isSmooth = false; + _isInImage = true; + } + + /*! Builds an FEdge going from vA to vB. */ + inline FEdge(SVertex *vA, SVertex *vB) + { + userdata = NULL; + _VertexA = vA; + _VertexB = vB; + _Nature = Nature::NO_FEATURE; + _NextEdge = NULL; + _PreviousEdge = NULL; + _ViewEdge = NULL; + //_hasVisibilityPoint = false; + _occludeeEmpty = true; + _isSmooth = false; + _isInImage = true; + } + + /*! Copy constructor */ + inline FEdge(FEdge& iBrother) + { + _VertexA = iBrother.vertexA(); + _VertexB = iBrother.vertexB(); + _NextEdge = iBrother.nextEdge(); + _PreviousEdge = iBrother._PreviousEdge; + _Nature = iBrother.getNature(); + _Id = iBrother._Id; + _ViewEdge = iBrother._ViewEdge; + //_hasVisibilityPoint = iBrother._hasVisibilityPoint; + //_VisibilityPointA = iBrother._VisibilityPointA; + //_VisibilityPointB = iBrother._VisibilityPointB; + _aFace = iBrother._aFace; + _occludeeEmpty = iBrother._occludeeEmpty; + _isSmooth = iBrother._isSmooth; + _isInImage = iBrother._isInImage; + iBrother.userdata = this; + userdata = 0; + } + + /*! Destructor */ + virtual ~FEdge() {} + + /*! Cloning method. */ + virtual FEdge *duplicate() + { + FEdge *clone = new FEdge(*this); + return clone; + } + + /* accessors */ + /*! Returns the first SVertex. */ + inline SVertex *vertexA() + { + return _VertexA; + } + + /*! Returns the second SVertex. */ + inline SVertex* vertexB() + { + return _VertexB; + } + + /*! Returns the first SVertex if i=0, the seccond SVertex if i=1. */ + inline SVertex* operator[](const unsigned short int& i) const + { + return (i % 2 == 0) ? _VertexA : _VertexB; + } + + /*! Returns the nature of the FEdge. */ + inline Nature::EdgeNature getNature() const + { + return _Nature; + } + + /*! Returns the FEdge following this one in the ViewEdge. + * If this FEdge is the last of the ViewEdge, 0 is returned. + */ + inline FEdge *nextEdge() + { + return _NextEdge; + } + + /*! Returns the Edge preceding this one in the ViewEdge. + * If this FEdge is the first one of the ViewEdge, 0 is returned. + */ + inline FEdge *previousEdge() + { + return _PreviousEdge; + } + + inline SShape *shape() + { + return _VertexA->shape(); + } + +#if 0 + inline int invisibility() const + { + return _Occluders.size(); + } +#endif + + int invisibility() const; + +#if 0 + inline const vector<Polygon3r>& occluders() const + { + return _Occluders; + } +#endif + + /*! Returns a pointer to the ViewEdge to which this FEdge belongs to. */ + inline ViewEdge *viewedge() const + { + return _ViewEdge; + } + + inline Vec3r center3d() + { + return Vec3r((_VertexA->point3D() + _VertexB->point3D()) / 2.0); + } + + inline Vec3r center2d() + { + return Vec3r((_VertexA->point2D() + _VertexB->point2D()) / 2.0); + } + +#if 0 + inline bool hasVisibilityPoint() const + { + return _hasVisibilityPoint; + } + + inline Vec3r visibilityPointA() const + { + return _VisibilityPointA; + } + + inline Vec3r visibilityPointB() const + { + return _VisibilityPointB; + } +#endif + + inline const Polygon3r& aFace() const + { + return _aFace; + } + + inline const Vec3r& getOccludeeIntersection() + { + return _occludeeIntersection; + } + + inline bool getOccludeeEmpty() + { + return _occludeeEmpty; + } + + /*! Returns true if this FEdge is a smooth FEdge. */ + inline bool isSmooth() const + { + return _isSmooth; + } + + inline bool isInImage () const + { + return _isInImage; + } + + /* modifiers */ + /*! Sets the first SVertex. */ + inline void setVertexA(SVertex *vA) + { + _VertexA = vA; + } + + /*! Sets the second SVertex. */ + inline void setVertexB(SVertex *vB) + { + _VertexB = vB; + } + + /*! Sets the FEdge Id . */ + inline void setId(const Id& id) + { + _Id = id; + } + + /*! Sets the pointer to the next FEdge. */ + inline void setNextEdge(FEdge *iEdge) + { + _NextEdge = iEdge; + } + + /*! Sets the pointer to the previous FEdge. */ + inline void setPreviousEdge(FEdge *iEdge) + { + _PreviousEdge = iEdge; + } + + /*! Sets the nature of this FEdge. */ + inline void setNature(Nature::EdgeNature iNature) + { + _Nature = iNature; + } + +#if 0 + inline void AddOccluder(Polygon3r& iPolygon) + { + _Occluders.push_back(iPolygon); + } +#endif + + /*! Sets the ViewEdge to which this FEdge belongs to. */ + inline void setViewEdge(ViewEdge *iViewEdge) + { + _ViewEdge = iViewEdge; + } + +#if 0 + inline void setHasVisibilityPoint(bool iBool) + { + _hasVisibilityPoint = iBool; + } + + inline void setVisibilityPointA(const Vec3r& iPoint) + { + _VisibilityPointA = iPoint; + } + + inline void setVisibilityPointB(const Vec3r& iPoint) + { + _VisibilityPointB = iPoint; + } +#endif + + inline void setaFace(Polygon3r& iFace) + { + _aFace = iFace; + } + + inline void setOccludeeIntersection(const Vec3r& iPoint) + { + _occludeeIntersection = iPoint; + } + + inline void setOccludeeEmpty(bool iempty) + { + _occludeeEmpty = iempty; + } + + /*! Sets the flag telling whether this FEdge is smooth or sharp. + * true for Smooth, false for Sharp. + */ + inline void setSmooth(bool iFlag) + { + _isSmooth = iFlag; + } + + inline void setIsInImage (bool iFlag) + { + _isInImage = iFlag; + } + + /* checks whether two FEdge have a common vertex. + * Returns a pointer on the common vertex if it exists, NULL otherwise. + */ + static inline SVertex *CommonVertex(FEdge *iEdge1, FEdge *iEdge2) + { + if ((NULL == iEdge1) || (NULL == iEdge2)) + return NULL; + + SVertex *sv1 = iEdge1->vertexA(); + SVertex *sv2 = iEdge1->vertexB(); + SVertex *sv3 = iEdge2->vertexA(); + SVertex *sv4 = iEdge2->vertexB(); + + if ((sv1 == sv3) || (sv1 == sv4)) { + return sv1; + } + else if ((sv2 == sv3) || (sv2 == sv4)) { + return sv2; + } + + return NULL; + } + + inline const SVertex *min2d() const + { + if (_VertexA->point2D() < _VertexB->point2D()) + return _VertexA; + else + return _VertexB; + } + + inline const SVertex *max2d() const + { + if (_VertexA->point2D() < _VertexB->point2D()) + return _VertexB; + else + return _VertexA; + } + + /* Information access interface */ + + //Material material() const; + Id shape_id() const; + const SShape *shape() const; + float shape_importance() const; + + inline const int qi() const + { + return invisibility(); + } + + occluder_container::const_iterator occluders_begin() const; + occluder_container::const_iterator occluders_end() const; + bool occluders_empty() const; + int occluders_size() const; + + inline const Polygon3r& occludee() const + { + return aFace(); + } + + const SShape *occluded_shape() const; + +#if 0 + inline const bool occludee_empty() const + { + return _occludeeEmpty; + } +#endif + + const bool occludee_empty() const; + real z_discontinuity() const; + +#if 0 + inline float local_average_depth(int iCombination = 0) const; + inline float local_depth_variance(int iCombination = 0) const; + inline real local_average_density(float sigma = 2.3f, int iCombination = 0) const; + inline Vec3r shaded_color(int iCombination = 0) const {} +#endif + + int viewedge_nature() const; + + //float viewedge_length() const; + + inline Vec3r orientation2d() const + { + return Vec3r(_VertexB->point2d() - _VertexA->point2d()); + } + + inline Vec3r orientation3d() const + { + return Vec3r(_VertexB->point3d() - _VertexA->point3d()); + } + +#if 0 + inline real curvature2d() const + { + return viewedge()->curvature2d((_VertexA->point2d() + _VertexB->point2d()) / 2.0); + } + + inline Vec3r curvature2d_as_vector(int iCombination = 0) const; + + /* angle in degrees*/ + inline real curvature2d_as_angle(int iCombination = 0) const; +#endif + + // Iterator access (Interface1D) + /*! Returns an iterator over the 2 (!) SVertex pointing to the first SVertex. */ + virtual inline Interface0DIterator verticesBegin(); + + /*! Returns an iterator over the 2 (!) SVertex pointing after the last SVertex. */ + virtual inline Interface0DIterator verticesEnd(); + + /*! Returns an iterator over the FEdge points, pointing to the first point. The difference with verticesBegin() + * is that here we can iterate over points of the FEdge at a any given sampling. + * Indeed, for each iteration, a virtual point is created. + * \param t + * The sampling with which we want to iterate over points of this FEdge. + */ + virtual inline Interface0DIterator pointsBegin(float t = 0.0f); + + /*! Returns an iterator over the FEdge points, pointing after the last point. The difference with verticesEnd() + * is that here we can iterate over points of the FEdge at a any given sampling. + * Indeed, for each iteration, a virtual point is created. + * \param t + * The sampling with which we want to iterate over points of this FEdge. + */ + virtual inline Interface0DIterator pointsEnd(float t = 0.0f); +}; + +// +// SVertexIterator +// +///////////////////////////////////////////////// + +namespace FEdgeInternal { + +class SVertexIterator : public Interface0DIteratorNested +{ +public: + SVertexIterator() + { + _vertex = NULL; + _edge = NULL; + } + + SVertexIterator(const SVertexIterator& vi) + { + _vertex = vi._vertex; + _edge = vi._edge; + } + + SVertexIterator(SVertex *v, FEdge *edge) + { + _vertex = v; + _edge = edge; + } + + SVertexIterator& operator=(const SVertexIterator& vi) + { + _vertex = vi._vertex; + _edge = vi._edge; + return *this; + } + + virtual string getExactTypeName() const + { + return "SVertexIterator"; + } + + virtual SVertex& operator*() + { + return *_vertex; + } + + virtual SVertex *operator->() + { + return &(operator*()); + } + + virtual SVertexIterator& operator++() + { + increment(); + return *this; + } + + virtual SVertexIterator operator++(int) + { + SVertexIterator ret(*this); + increment(); + return ret; + } + + virtual SVertexIterator& operator--() + { + decrement(); + return *this; + } + + virtual SVertexIterator operator--(int) + { + SVertexIterator ret(*this); + decrement(); + return ret; + } + + virtual int increment() + { + if (_vertex == _edge->vertexB()) { + _vertex = 0; + return 0; + } + _vertex = _edge->vertexB(); + return 0; + } + + virtual int decrement() + { + if (_vertex == _edge->vertexA()) { + _vertex = 0; + return 0; + } + _vertex = _edge->vertexA(); + return 0; + } + + virtual bool isBegin() const + { + return _vertex == _edge->vertexA(); + } + + virtual bool isEnd() const + { + return _vertex == _edge->vertexB(); + } + + virtual bool operator==(const Interface0DIteratorNested& it) const + { + const SVertexIterator *it_exact = dynamic_cast<const SVertexIterator*>(&it); + if (!it_exact) + return false; + return ((_vertex == it_exact->_vertex) && (_edge == it_exact->_edge)); + } + + virtual float t() const + { + if (_vertex == _edge->vertexA()) { + return 0.0f; + } + return ((float)_edge->getLength2D()); + } + virtual float u() const + { + if (_vertex == _edge->vertexA()) { + return 0.0f; + } + return 1.0f; + } + + virtual SVertexIterator *copy() const + { + return new SVertexIterator(*this); + } + +private: + SVertex *_vertex; + FEdge *_edge; +}; + +} // end of namespace FEdgeInternal + +// Iterator access (implementation) + +Interface0DIterator FEdge::verticesBegin() +{ + Interface0DIterator ret(new FEdgeInternal::SVertexIterator(_VertexA, this)); + return ret; +} + +Interface0DIterator FEdge::verticesEnd() +{ + Interface0DIterator ret(new FEdgeInternal::SVertexIterator(0, this)); + return ret; +} + +Interface0DIterator FEdge::pointsBegin(float t) +{ + return verticesBegin(); +} + +Interface0DIterator FEdge::pointsEnd(float t) +{ + return verticesEnd(); +} + +/*! Class defining a sharp FEdge. A Sharp FEdge corresponds to an initial edge of the input mesh. + * It can be a silhouette, a crease or a border. If it is a crease edge, then it is borded + * by two faces of the mesh. Face a lies on its right whereas Face b lies on its left. + * If it is a border edge, then it doesn't have any face on its right, and thus Face a = 0. + */ +class LIB_VIEW_MAP_EXPORT FEdgeSharp : public FEdge +{ +protected: + Vec3r _aNormal; // When following the edge, normal of the right face + Vec3r _bNormal; // When following the edge, normal of the left face + unsigned _aFrsMaterialIndex; + unsigned _bFrsMaterialIndex; + bool _aFaceMark; + bool _bFaceMark; + +public: + /*! Returns the string "FEdgeSharp" . */ + virtual string getExactTypeName() const + { + return "FEdgeSharp"; + } + + /*! Default constructor. */ + inline FEdgeSharp() : FEdge() + { + _aFrsMaterialIndex = _bFrsMaterialIndex = 0; + _aFaceMark = _bFaceMark = false; + } + + /*! Builds an FEdgeSharp going from vA to vB. */ + inline FEdgeSharp(SVertex *vA, SVertex *vB) : FEdge(vA, vB) + { + _aFrsMaterialIndex = _bFrsMaterialIndex = 0; + _aFaceMark = _bFaceMark = false; + } + + /*! Copy constructor. */ + inline FEdgeSharp(FEdgeSharp& iBrother) : FEdge(iBrother) + { + _aNormal = iBrother._aNormal; + _bNormal = iBrother._bNormal; + _aFrsMaterialIndex = iBrother._aFrsMaterialIndex; + _bFrsMaterialIndex = iBrother._bFrsMaterialIndex; + _aFaceMark = iBrother._aFaceMark; + _bFaceMark = iBrother._bFaceMark; + } + + /*! Destructor. */ + virtual ~FEdgeSharp() {} + + /*! Cloning method. */ + virtual FEdge *duplicate() + { + FEdge *clone = new FEdgeSharp(*this); + return clone; + } + + /*! Returns the normal to the face lying on the right of the FEdge. If this FEdge is a border, + * it has no Face on its right and therefore, no normal. + */ + inline const Vec3r& normalA() + { + return _aNormal; + } + + /*! Returns the normal to the face lying on the left of the FEdge. */ + inline const Vec3r& normalB() + { + return _bNormal; + } + + /*! Returns the index of the material of the face lying on the + * right of the FEdge. If this FEdge is a border, + * it has no Face on its right and therefore, no material. + */ + inline unsigned aFrsMaterialIndex() const + { + return _aFrsMaterialIndex; + } + + /*! Returns the material of the face lying on the right of the FEdge. If this FEdge is a border, + * it has no Face on its right and therefore, no material. + */ + const FrsMaterial& aFrsMaterial() const; + + /*! Returns the index of the material of the face lying on the left of the FEdge. */ + inline unsigned bFrsMaterialIndex() const + { + return _bFrsMaterialIndex; + } + + /*! Returns the material of the face lying on the left of the FEdge. */ + const FrsMaterial& bFrsMaterial() const; + + /*! Returns the face mark of the face lying on the right of the FEdge. + * If this FEdge is a border, it has no Face on its right and thus false is returned. + */ + inline bool aFaceMark() const + { + return _aFaceMark; + } + + /*! Returns the face mark of the face lying on the left of the FEdge. */ + inline bool bFaceMark() const + { + return _bFaceMark; + } + + /*! Sets the normal to the face lying on the right of the FEdge. */ + inline void setNormalA(const Vec3r& iNormal) + { + _aNormal = iNormal; + } + + /*! Sets the normal to the face lying on the left of the FEdge. */ + inline void setNormalB(const Vec3r& iNormal) + { + _bNormal = iNormal; + } + + /*! Sets the index of the material lying on the right of the FEdge.*/ + inline void setaFrsMaterialIndex(unsigned i) + { + _aFrsMaterialIndex = i; + } + + /*! Sets the index of the material lying on the left of the FEdge.*/ + inline void setbFrsMaterialIndex(unsigned i) + { + _bFrsMaterialIndex = i; + } + + /*! Sets the face mark of the face lying on the right of the FEdge. */ + inline void setaFaceMark(bool iFaceMark) + { + _aFaceMark = iFaceMark; + } + + /*! Sets the face mark of the face lying on the left of the FEdge. */ + inline void setbFaceMark(bool iFaceMark) + { + _bFaceMark = iFaceMark; + } +}; + +/*! Class defining a smooth edge. This kind of edge typically runs across a face of the input mesh. It can be + * a silhouette, a ridge or valley, a suggestive contour. + */ +class LIB_VIEW_MAP_EXPORT FEdgeSmooth : public FEdge +{ +protected: + Vec3r _Normal; + unsigned _FrsMaterialIndex; +#if 0 + bool _hasVisibilityPoint; + Vec3r _VisibilityPointA; // The edge on which the visibility will be computed represented + Vec3r _VisibilityPointB; // using its 2 extremity points A and B +#endif + void *_Face; // In case of exact silhouette, Face is the WFace crossed by Fedge + // NOT HANDLED BY THE COPY CONSTRUCTEUR + bool _FaceMark; + +public: + /*! Returns the string "FEdgeSmooth" . */ + virtual string getExactTypeName() const + { + return "FEdgeSmooth"; + } + + /*! Default constructor. */ + inline FEdgeSmooth() : FEdge() + { + _Face = NULL; + _FaceMark = false; + _FrsMaterialIndex = 0; + _isSmooth = true; + } + + /*! Builds an FEdgeSmooth going from vA to vB. */ + inline FEdgeSmooth(SVertex *vA, SVertex *vB) : FEdge(vA, vB) + { + _Face = NULL; + _FaceMark = false; + _FrsMaterialIndex = 0; + _isSmooth = true; + } + + /*! Copy constructor. */ + inline FEdgeSmooth(FEdgeSmooth& iBrother) : FEdge(iBrother) + { + _Normal = iBrother._Normal; + _Face = iBrother._Face; + _FaceMark = iBrother._FaceMark; + _FrsMaterialIndex = iBrother._FrsMaterialIndex; + _isSmooth = true; + } + + /*! Destructor. */ + virtual ~FEdgeSmooth() {} + + /*! Cloning method. */ + virtual FEdge *duplicate() + { + FEdge *clone = new FEdgeSmooth(*this); + return clone; + } + + inline void *face() const + { + return _Face; + } + + /*! Returns the face mark of the face it is running across. */ + inline bool faceMark() const + { + return _FaceMark; + } + + /*! Returns the normal to the Face it is running accross. */ + inline const Vec3r& normal() + { + return _Normal; + } + + /*! Returns the index of the material of the face it is running accross. */ + inline unsigned frs_materialIndex() const + { + return _FrsMaterialIndex; + } + + /*! Returns the material of the face it is running accross. */ + const FrsMaterial& frs_material() const; + + inline void setFace(void *iFace) + { + _Face = iFace; + } + + /*! Sets the face mark of the face it is running across. */ + inline void setFaceMark(bool iFaceMark) + { + _FaceMark = iFaceMark; + } + + /*! Sets the normal to the Face it is running accross. */ + inline void setNormal(const Vec3r& iNormal) + { + _Normal = iNormal; + } + + /*! Sets the index of the material of the face it is running accross. */ + inline void setFrsMaterialIndex(unsigned i) + { + _FrsMaterialIndex = i; + } +}; + + +/**********************************/ +/* */ +/* */ +/* SShape */ +/* */ +/* */ +/**********************************/ + + +/*! Class to define a feature shape. It is the gathering of feature elements from an identified input shape */ +class LIB_VIEW_MAP_EXPORT SShape +{ +private: + vector<FEdge*> _chains; // list of fedges that are chains starting points. + vector<SVertex*> _verticesList; // list of all vertices + vector<FEdge*> _edgesList; // list of all edges + Id _Id; + string _Name; + BBox<Vec3r> _BBox; + vector<FrsMaterial> _FrsMaterials; + + float _importance; + + ViewShape *_ViewShape; + +public: + /*! A field that can be used by the user to store any data. + * This field must be reseted afterwards using ResetUserData(). + */ + void *userdata; // added by E.T. + + /*! Default constructor */ + inline SShape() + { + userdata = NULL; + _importance = 0.0f; + _ViewShape = NULL; + } + + /*! Copy constructor */ + inline SShape(SShape& iBrother) + { + userdata = NULL; + _Id = iBrother._Id; + _Name = iBrother._Name; + _BBox = iBrother.bbox(); + _FrsMaterials = iBrother._FrsMaterials; + _importance = iBrother._importance; + _ViewShape = iBrother._ViewShape; + + //--------- + // vertices + //--------- + vector<SVertex*>::iterator sv, svend; + vector<SVertex*>& verticesList = iBrother.getVertexList(); + for (sv = verticesList.begin(), svend = verticesList.end(); sv != svend; sv++) { + SVertex *newv = new SVertex(*(*sv)); + newv->setShape(this); + _verticesList.push_back(newv); + } + + //------ + // edges + //------ + vector<FEdge*>::iterator e, eend; + vector<FEdge*>& edgesList = iBrother.getEdgeList(); + for (e = edgesList.begin(), eend = edgesList.end(); e != eend; e++) { + FEdge *newe = (*e)->duplicate(); + _edgesList.push_back(newe); + } + + //------------------------- + // starting chain edges + //------------------------- + vector<FEdge*>::iterator fe, fend; + vector<FEdge*>& fedges = iBrother.getChains(); + for (fe = fedges.begin(), fend = fedges.end(); fe != fend; fe++) { + _chains.push_back((FEdge*)((*fe)->userdata)); + } + + //------------------------- + // remap edges in vertices: + //------------------------- + for (sv = _verticesList.begin(), svend = _verticesList.end(); sv != svend; sv++) { + const vector<FEdge*>& fedgeList = (*sv)->fedges(); + vector<FEdge*> newfedgelist; + for (vector<FEdge*>::const_iterator fed = fedgeList.begin(), fedend = fedgeList.end(); + fed != fedend; + fed++) + { + FEdge *current = *fed; + newfedgelist.push_back((FEdge*)current->userdata); + } + (*sv)->setFEdges(newfedgelist); + } + + //------------------------------------- + // remap vertices and nextedge in edges: + //------------------------------------- + for (e = _edgesList.begin(), eend = _edgesList.end(); e != eend; e++) { + (*e)->setVertexA((SVertex*)((*e)->vertexA()->userdata)); + (*e)->setVertexB((SVertex*)((*e)->vertexB()->userdata)); + (*e)->setNextEdge((FEdge*)((*e)->nextEdge()->userdata)); + (*e)->setPreviousEdge((FEdge*)((*e)->previousEdge()->userdata)); + } + + // reset all brothers userdata to NULL: + //------------------------------------- + //--------- + // vertices + //--------- + for (sv = _verticesList.begin(), svend = _verticesList.end(); sv != svend; sv++) { + (*sv)->userdata = NULL; + } + + //------ + // edges + //------ + for (e = _edgesList.begin(), eend = _edgesList.end(); e != eend; e++) { + (*e)->userdata = NULL; + } + } + + /*! Cloning method. */ + virtual SShape * duplicate() + { + SShape *clone = new SShape(*this); + return clone; + } + + /*! Destructor. */ + virtual inline ~SShape() + { + vector<SVertex*>::iterator sv, svend; + vector<FEdge*>::iterator e, eend; + if (0 != _verticesList.size()) { + for (sv = _verticesList.begin(), svend = _verticesList.end(); sv != svend; sv++) { + delete (*sv); + } + _verticesList.clear(); + } + + if (0 != _edgesList.size()) { + for (e = _edgesList.begin(), eend = _edgesList.end(); e != eend; e++) { + delete (*e); + } + _edgesList.clear(); + } + + //! Clear the chains list + //----------------------- + if (0 != _chains.size()) { + _chains.clear(); + } + } + + /*! Adds a FEdge to the list of FEdges. */ + inline void AddEdge(FEdge *iEdge) + { + _edgesList.push_back(iEdge); + } + + /*! Adds a SVertex to the list of SVertex of this Shape. + * The SShape attribute of the SVertex is also set to 'this'. + */ + inline void AddNewVertex(SVertex *iv) + { + iv->setShape(this); + _verticesList.push_back(iv); + } + + inline void AddChain(FEdge *iEdge) + { + _chains.push_back(iEdge); + } + + inline SVertex *CreateSVertex(const Vec3r& P3D, const Vec3r& P2D, const Id& id) + { + SVertex *Ia = new SVertex(P3D, id); + Ia->setPoint2D(P2D); + AddNewVertex(Ia); + return Ia; + } + + /*! Splits an edge into several edges. + * The edge's vertices are passed rather than the edge itself. This way, all feature edges (SILHOUETTE, + * CREASE, BORDER) are splitted in the same time. + * The processed edges are flagged as done (using the userdata flag).One single new vertex is created whereas + * several splitted edges might created for the different kinds of edges. These new elements are added to the lists + * maintained by the shape. + * New chains are also created. + * ioA + * The first vertex for the edge that gets splitted + * ioB + * The second vertex for the edge that gets splitted + * iParameters + * A vector containing 2D real vectors indicating the parameters giving the intersections coordinates in + * 3D and in 2D. These intersections points must be sorted from B to A. + * Each parameter defines the intersection point I as I=A+T*AB. T<0 and T>1 are then incorrect insofar as + * they give intersections points that lie outside the segment. + * ioNewEdges + * The edges that are newly created (the initial edges are not included) are added to this list. + */ + inline void SplitEdge(FEdge *fe, const vector<Vec2r>& iParameters, vector<FEdge*>& ioNewEdges) + { + SVertex *ioA = fe->vertexA(); + SVertex *ioB = fe->vertexB(); + Vec3r A = ioA->point3D(); + Vec3r B = ioB->point3D(); + Vec3r a = ioA->point2D(); + Vec3r b = ioB->point2D(); + + Vec3r newpoint3d,newpoint2d; + vector<SVertex*> intersections; + real t, T; + for (vector<Vec2r>::const_iterator p = iParameters.begin(), pend = iParameters.end(); p != pend; p++) { + T = (*p)[0]; + t = (*p)[1]; + + if ((t < 0) || (t > 1)) + cerr << "Warning: Intersection out of range for edge " << ioA->getId() << " - " << ioB->getId() << endl; + + // compute the 3D and 2D coordinates for the intersections points: + newpoint3d = Vec3r(A + T * (B - A)); + newpoint2d = Vec3r(a + t * (b - a)); + + // create new SVertex: + // (we keep B's id) + SVertex *newVertex = new SVertex(newpoint3d, ioB->getId()); + newVertex->setPoint2D(newpoint2d); + + // Add this vertex to the intersections list: + intersections.push_back(newVertex); + + // Add this vertex to this sshape: + AddNewVertex(newVertex); + } + + for (vector<SVertex*>::iterator sv = intersections.begin(), svend = intersections.end(); sv != svend; sv++) { + //SVertex *svA = fe->vertexA(); + SVertex *svB = fe->vertexB(); + + // We split edge AB into AA' and A'B. A' and A'B are created. + // AB becomes (address speaking) AA'. B is updated. + //-------------------------------------------------- + // The edge AB becomes edge AA'. + (fe)->setVertexB((*sv)); + // a new edge, A'B is created. + FEdge *newEdge; + if (fe->isSmooth()) { + newEdge = new FEdgeSmooth((*sv), svB); + FEdgeSmooth *se = dynamic_cast<FEdgeSmooth*>(newEdge); + FEdgeSmooth *fes = dynamic_cast<FEdgeSmooth*>(fe); + se->setFrsMaterialIndex(fes->frs_materialIndex()); + } + else { + newEdge = new FEdgeSharp((*sv), svB); + FEdgeSharp *se = dynamic_cast<FEdgeSharp*>(newEdge); + FEdgeSharp *fes = dynamic_cast<FEdgeSharp*>(fe); + se->setaFrsMaterialIndex(fes->aFrsMaterialIndex()); + se->setbFrsMaterialIndex(fes->bFrsMaterialIndex()); + } + + newEdge->setNature((fe)->getNature()); + + // to build a new chain: + AddChain(newEdge); + // add the new edge to the sshape edges list. + AddEdge(newEdge); + // add new edge to the list of new edges passed as argument: + ioNewEdges.push_back(newEdge); + + // update edge A'B for the next pointing edge + newEdge->setNextEdge((fe)->nextEdge()); + fe->nextEdge()->setPreviousEdge(newEdge); + Id id(fe->getId().getFirst(), fe->getId().getSecond() + 1); + newEdge->setId(fe->getId()); + fe->setId(id); + + // update edge AA' for the next pointing edge + //ioEdge->setNextEdge(newEdge); + (fe)->setNextEdge(NULL); + + // update vertex pointing edges list: + // -- vertex B -- + svB->Replace((fe), newEdge); + // -- vertex A' -- + (*sv)->AddFEdge((fe)); + (*sv)->AddFEdge(newEdge); + } + } + + /* splits an edge into 2 edges. The new vertex and edge are added to the sshape list of vertices and edges + * a new chain is also created. + * returns the new edge. + * ioEdge + * The edge that gets splitted + * newpoint + * x,y,z coordinates of the new point. + */ + inline FEdge *SplitEdgeIn2(FEdge *ioEdge, SVertex *ioNewVertex) + { + //soc unused - SVertex *A = ioEdge->vertexA(); + SVertex *B = ioEdge->vertexB(); + + // We split edge AB into AA' and A'B. A' and A'B are created. + // AB becomes (address speaking) AA'. B is updated. + //-------------------------------------------------- + // a new edge, A'B is created. + FEdge *newEdge; + if (ioEdge->isSmooth()) { + newEdge = new FEdgeSmooth(ioNewVertex, B); + FEdgeSmooth *se = dynamic_cast<FEdgeSmooth*>(newEdge); + FEdgeSmooth *fes = dynamic_cast<FEdgeSmooth*>(ioEdge); + se->setNormal(fes->normal()); + se->setFrsMaterialIndex(fes->frs_materialIndex()); + } + else { + newEdge = new FEdgeSharp(ioNewVertex, B); + FEdgeSharp *se = dynamic_cast<FEdgeSharp*>(newEdge); + FEdgeSharp *fes = dynamic_cast<FEdgeSharp*>(ioEdge); + se->setNormalA(fes->normalA()); + se->setNormalB(fes->normalB()); + se->setaFrsMaterialIndex(fes->aFrsMaterialIndex()); + se->setbFrsMaterialIndex(fes->bFrsMaterialIndex()); + } + newEdge->setNature(ioEdge->getNature()); + + if (ioEdge->nextEdge() != 0) + ioEdge->nextEdge()->setPreviousEdge(newEdge); + + // update edge A'B for the next pointing edge + newEdge->setNextEdge(ioEdge->nextEdge()); + // update edge A'B for the previous pointing edge + newEdge->setPreviousEdge(0); // because it is now a TVertex + Id id(ioEdge->getId().getFirst(), ioEdge->getId().getSecond() + 1); + newEdge->setId(ioEdge->getId()); + ioEdge->setId(id); + + // update edge AA' for the next pointing edge + ioEdge->setNextEdge(0); // because it is now a TVertex + + // update vertex pointing edges list: + // -- vertex B -- + B->Replace(ioEdge, newEdge); + // -- vertex A' -- + ioNewVertex->AddFEdge(ioEdge); + ioNewVertex->AddFEdge(newEdge); + + // to build a new chain: + AddChain(newEdge); + AddEdge(newEdge); // FIXME ?? + + // The edge AB becomes edge AA'. + ioEdge->setVertexB(ioNewVertex); + + if (ioEdge->isSmooth()) { + ((FEdgeSmooth*)newEdge)->setFace(((FEdgeSmooth*)ioEdge)->face()); + } + + return newEdge; + } + + /*! Sets the Bounding Box of the Shape */ + inline void setBBox(const BBox<Vec3r>& iBBox) + { + _BBox = iBBox; + } + + /*! Compute the bbox of the sshape */ + inline void ComputeBBox() + { + if (0 == _verticesList.size()) + return; + + Vec3r firstVertex = _verticesList[0]->point3D(); + real XMax = firstVertex[0]; + real YMax = firstVertex[1]; + real ZMax = firstVertex[2]; + + real XMin = firstVertex[0]; + real YMin = firstVertex[1]; + real ZMin = firstVertex[2]; + + vector<SVertex*>::iterator v, vend; + // parse all the coordinates to find the Xmax, YMax, ZMax + for (v = _verticesList.begin(), vend = _verticesList.end(); v != vend; v++) { + Vec3r vertex = (*v)->point3D(); + // X + real x = vertex[0]; + if (x > XMax) + XMax = x; + else if (x < XMin) + XMin = x; + + // Y + real y = vertex[1]; + if (y > YMax) + YMax = y; + else if (y < YMin) + YMin = y; + + // Z + real z = vertex[2]; + if (z > ZMax) + ZMax = z; + else if (z < ZMin) + ZMin = z; + } + + setBBox(BBox<Vec3r>(Vec3r(XMin, YMin, ZMin), Vec3r(XMax, YMax, ZMax))); + } + + inline void RemoveEdgeFromChain(FEdge *iEdge) + { + for (vector<FEdge*>::iterator fe = _chains.begin(), feend = _chains.end(); fe != feend; fe++) { + if (iEdge == (*fe)) { + _chains.erase(fe); + break; + } + } + } + + inline void RemoveEdge(FEdge *iEdge) + { + for (vector<FEdge*>::iterator fe = _edgesList.begin(), feend = _edgesList.end(); fe != feend; fe++) { + if (iEdge == (*fe)) { + _edgesList.erase(fe); + break; + } + } + } + + /* accessors */ + /*! Returns the list of SVertex of the Shape. */ + inline vector<SVertex*>& getVertexList() + { + return _verticesList; + } + + /*! Returns the list of FEdges of the Shape. */ + inline vector<FEdge*>& getEdgeList() + { + return _edgesList; + } + + inline vector<FEdge*>& getChains() + { + return _chains; + } + + /*! Returns the bounding box of the shape. */ + inline const BBox<Vec3r>& bbox() + { + return _BBox; + } + + /*! Returns the ith material of the shape. */ + inline const FrsMaterial& frs_material(unsigned i) const + { + return _FrsMaterials[i]; + } + + /*! Returns the list of materials of the Shape. */ + inline const vector<FrsMaterial>& frs_materials() const + { + return _FrsMaterials; + } + + inline ViewShape *viewShape() + { + return _ViewShape; + } + + inline float importance() const + { + return _importance; + } + + /*! Returns the Id of the Shape. */ + inline Id getId() const + { + return _Id; + } + + /*! Returns the name of the Shape. */ + inline const string& getName() const + { + return _Name; + } + + /* Modififers */ + /*! Sets the Id of the shape.*/ + inline void setId(Id id) + { + _Id = id; + } + + /*! Sets the name of the shape.*/ + inline void setName(const string& name) + { + _Name = name; + } + + /*! Sets the list of materials for the shape */ + inline void setFrsMaterials(const vector<FrsMaterial>& iMaterials) + { + _FrsMaterials = iMaterials; + } + + inline void setViewShape(ViewShape *iShape) + { + _ViewShape = iShape; + } + + inline void setImportance(float importance) + { + _importance = importance; + } +}; + +#endif // __FREESTYLE_SILHOUETTE_H__ |