diff options
Diffstat (limited to 'source/blender/freestyle/intern/view_map/ViewMap.cpp')
| -rwxr-xr-x | source/blender/freestyle/intern/view_map/ViewMap.cpp | 703 |
1 files changed, 703 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/view_map/ViewMap.cpp b/source/blender/freestyle/intern/view_map/ViewMap.cpp new file mode 100755 index 00000000000..87624669204 --- /dev/null +++ b/source/blender/freestyle/intern/view_map/ViewMap.cpp @@ -0,0 +1,703 @@ + +// +// Copyright (C) : Please refer to the COPYRIGHT file distributed +// with this source distribution. +// +// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "ViewMap.h" +#include "../geometry/GeomUtils.h" +#include <float.h> +#include "ViewMapIterators.h" +#include "ViewMapAdvancedIterators.h" + + /**********************************/ + /* */ + /* */ + /* ViewMap */ + /* */ + /* */ + /**********************************/ + +ViewMap * ViewMap::_pInstance = 0; + +ViewMap::~ViewMap() +{ + // The view vertices must be deleted here as some of them + // are shared between two shapes: + for(vector<ViewVertex*>::iterator vv=_VVertices.begin(), vvend=_VVertices.end(); + vv!=vvend; + vv++) + { + delete (*vv); + } + _VVertices.clear(); + + for(vector<ViewShape*>::iterator vs=_VShapes.begin(),vsend=_VShapes.end(); + vs!=vsend; + vs++) + { + delete (*vs); + } + _VShapes.clear(); + + _FEdges.clear(); + _SVertices.clear(); + _VEdges.clear(); +} + +ViewShape * ViewMap::viewShape(unsigned id) +{ + int index = _shapeIdToIndex[id]; + return _VShapes[ index ]; +} +void ViewMap::AddViewShape(ViewShape *iVShape) { + _shapeIdToIndex[iVShape->getId().getFirst()] = _VShapes.size(); + _VShapes.push_back(iVShape); +} +const FEdge * ViewMap::getClosestFEdge(real x, real y) const +{ + // find the closest of this candidates: + real minDist = DBL_MAX; + FEdge * winner = 0; + for(fedges_container::const_iterator fe=_FEdges.begin(),feend=_FEdges.end(); + fe!=feend; + fe++) + { + Vec2d A((*fe)->vertexA()->point2D()[0], (*fe)->vertexA()->point2D()[1]); + Vec2d B((*fe)->vertexB()->point2D()[0], (*fe)->vertexB()->point2D()[1]); + real dist = GeomUtils::distPointSegment<Vec2r>(Vec2r(x,y),A, B); + if(dist < minDist) + { + minDist = dist; + winner = (*fe); + } + + } + if(winner==0) + return 0; + + return winner; +} + +const ViewEdge * ViewMap::getClosestViewEdge(real x, real y) const +{ + // find the closest of this candidates: + real minDist = DBL_MAX; + FEdge * winner = 0; + for(fedges_container::const_iterator fe=_FEdges.begin(),feend=_FEdges.end(); + fe!=feend; + fe++) + { + Vec2d A((*fe)->vertexA()->point2D()[0], (*fe)->vertexA()->point2D()[1]); + Vec2d B((*fe)->vertexB()->point2D()[0], (*fe)->vertexB()->point2D()[1]); + real dist = GeomUtils::distPointSegment<Vec2r>(Vec2r(x,y),A, B); + if(dist < minDist) + { + minDist = dist; + winner = (*fe); + } + + } + if(winner==0) + return 0; + + return winner->viewedge(); +} + + +TVertex* ViewMap::CreateTVertex(const Vec3r& iA3D, const Vec3r& iA2D, FEdge *iFEdgeA, + const Vec3r& iB3D, const Vec3r& iB2D, FEdge *iFEdgeB, + const Id& id) +{ + ViewShape *vshapeA = iFEdgeA->viewedge()->viewShape(); + SShape *shapeA = iFEdgeA->shape(); + ViewShape *vshapeB = iFEdgeB->viewedge()->viewShape(); + SShape *shapeB = iFEdgeB->shape(); + + SVertex * Ia = shapeA->CreateSVertex(iA3D, iA2D, iFEdgeA->vertexA()->getId()); + SVertex * Ib = shapeB->CreateSVertex(iB3D, iB2D, iFEdgeB->vertexA()->getId()); + + // depending on which of these 2 svertices is the nearest from the + // viewpoint, we're going to build the TVertex by giving them in + // an order or another (the first one must be the nearest) + real dista = Ia->point2D()[2]; + real distb = Ib->point2D()[2]; + + TVertex * tvertex; + if(dista < distb) + tvertex = new TVertex(Ia, Ib); + else + tvertex = new TVertex(Ib,Ia); + + tvertex->setId(id); + + // add these vertices to the view map + AddViewVertex(tvertex); + AddSVertex(Ia); + AddSVertex(Ib); + + // and this T Vertex to the view shapes: + vshapeA->AddVertex(tvertex); + vshapeB->AddVertex(tvertex); + + return tvertex; +} + +ViewVertex * ViewMap::InsertViewVertex(SVertex *iVertex, + vector<ViewEdge*>& newViewEdges){ + NonTVertex *vva = dynamic_cast<NonTVertex*>(iVertex->viewvertex()); + if(vva != 0) + return vva; + // beacuse it is not already a ViewVertex, this SVertex must have only + // 2 FEdges. The incoming one still belongs to ioEdge, the outgoing one + // now belongs to newVEdge + const vector<FEdge*>& fedges = iVertex->fedges(); + if(fedges.size()!=2){ + cerr << "ViewMap warning: Can't split the ViewEdge" << endl; + return 0; + } + FEdge * fend(0), * fbegin(0); + for(vector<FEdge*>::const_iterator fe=fedges.begin(), feend=fedges.end(); + fe!=feend; + ++fe){ + if((*fe)->vertexB() == iVertex){ + fend = (*fe); + } + if((*fe)->vertexA() == iVertex){ + fbegin = (*fe); + } + if((fbegin!=0) && (fend!=0)) + break; + } + ViewEdge *ioEdge = fbegin->viewedge(); + ViewShape * vshape = ioEdge->viewShape(); + vva = new NonTVertex(iVertex); + // if the ViewEdge is a closed loop, we don't create + // a new VEdge + if(ioEdge->A() == 0){ + // closed loop + ioEdge->setA(vva); + ioEdge->setB(vva); + // update sshape + vshape->sshape()->RemoveEdgeFromChain(ioEdge->fedgeA()); + vshape->sshape()->RemoveEdgeFromChain(ioEdge->fedgeB()); + + ioEdge->setFEdgeA(fbegin); + ioEdge->setFEdgeB(fend); + + // Update FEdges + fend->setNextEdge(0); + fbegin->setPreviousEdge(0); + + // update new View Vertex: + vva->AddOutgoingViewEdge(ioEdge); + vva->AddIncomingViewEdge(ioEdge); + + vshape->sshape()->AddChain(ioEdge->fedgeA()); + vshape->sshape()->AddChain(ioEdge->fedgeB()); + }else{ + // Create new ViewEdge + ViewEdge * newVEdge = new ViewEdge(vva, ioEdge->B(), fbegin, ioEdge->fedgeB(), vshape); + newVEdge->setId(Id(ioEdge->getId().getFirst(), ioEdge->getId().getSecond()+1)); + newVEdge->setNature(ioEdge->getNature()); + //newVEdge->UpdateFEdges(); // done in the ViewEdge constructor + // Update old ViewEdge + ioEdge->setB(vva); + ioEdge->setFEdgeB(fend); + + // Update FEdges + fend->setNextEdge(0); + fbegin->setPreviousEdge(0); + + // update new View Vertex: + vva->AddOutgoingViewEdge(newVEdge); + vva->AddIncomingViewEdge(ioEdge); + // update ViewShape + //vshape->AddEdge(newVEdge); + // update SShape + vshape->sshape()->AddChain(fbegin); + // update ViewMap + //_VEdges.push_back(newVEdge); + newViewEdges.push_back(newVEdge); + } + + // update ViewShape + vshape->AddVertex(vva); + + // update ViewMap + _VVertices.push_back(vva); + + return vva; +} + +//FEdge * ViewMap::Connect(FEdge *ioEdge, SVertex *ioVertex, vector<ViewEdge*>& oNewVEdges){ +// SShape * sshape = ioEdge->shape(); +// FEdge *newFEdge = sshape->SplitEdgeIn2(ioEdge, ioVertex); +// AddFEdge(newFEdge); +// InsertViewVertex(ioVertex, oNewVEdges); +// return newFEdge; +//} + + /**********************************/ + /* */ + /* */ + /* TVertex */ + /* */ + /* */ + /**********************************/ + +// is dve1 before dve2 ? (does it have a smaller angle ?) +bool ViewEdgeComp(ViewVertex::directedViewEdge& dve1, ViewVertex::directedViewEdge& dve2){ + FEdge *fe1; + if(dve1.second) + fe1 = dve1.first->fedgeB(); + else + fe1 = dve1.first->fedgeA(); + FEdge *fe2; + if(dve2.second) + fe2 = dve2.first->fedgeB(); + else + fe2 = dve2.first->fedgeA(); + + Vec3r V1 = fe1->orientation2d(); + Vec2r v1(V1.x(), V1.y());v1.normalize(); + Vec3r V2 = fe2->orientation2d(); + Vec2r v2(V2.x(), V2.y());v2.normalize(); + if(v1.y() > 0){ + if(v2.y() < 0) + return true; + else + return (v1.x() > v2.x()); + }else{ + if(v2.y() > 0) + return false; + else + return (v1.x() < v2.x()); + } + return false; +} +void TVertex::setFrontEdgeA(ViewEdge *iFrontEdgeA, bool incoming) { + if (!iFrontEdgeA) { + cerr << "Warning: null pointer passed as argument of TVertex::setFrontEdgeA()" << endl; + return; + } + _FrontEdgeA = directedViewEdge(iFrontEdgeA, incoming); + if(!_sortedEdges.empty()){ + edge_pointers_container::iterator dve = _sortedEdges.begin(), dveend = _sortedEdges.end(); + while((dve!=dveend) && ViewEdgeComp(**dve, _FrontEdgeA)){ + ++dve; + } + _sortedEdges.insert( dve, &_FrontEdgeA); + } + else + _sortedEdges.push_back(&_FrontEdgeA); +} +void TVertex::setFrontEdgeB(ViewEdge *iFrontEdgeB, bool incoming) { + if (!iFrontEdgeB) { + cerr << "Warning: null pointer passed as argument of TVertex::setFrontEdgeB()" << endl; + return; + } + _FrontEdgeB = directedViewEdge(iFrontEdgeB, incoming); + if(!_sortedEdges.empty()){ + edge_pointers_container::iterator dve = _sortedEdges.begin(), dveend = _sortedEdges.end(); + while((dve!=dveend) && ViewEdgeComp(**dve, _FrontEdgeB)){ + ++dve; + } + _sortedEdges.insert(dve, &_FrontEdgeB); + } + else + _sortedEdges.push_back(&_FrontEdgeB); +} +void TVertex::setBackEdgeA(ViewEdge *iBackEdgeA, bool incoming) { + if (!iBackEdgeA) { + cerr << "Warning: null pointer passed as argument of TVertex::setBackEdgeA()" << endl; + return; + } + _BackEdgeA = directedViewEdge(iBackEdgeA, incoming); + if(!_sortedEdges.empty()){ + edge_pointers_container::iterator dve = _sortedEdges.begin(), dveend = _sortedEdges.end(); + while((dve!=dveend) && ViewEdgeComp(**dve, _BackEdgeA)){ + ++dve; + } + _sortedEdges.insert(dve, &_BackEdgeA); + } + else + _sortedEdges.push_back(&_BackEdgeA); +} +void TVertex::setBackEdgeB(ViewEdge *iBackEdgeB, bool incoming) { + if (!iBackEdgeB) { + cerr << "Warning: null pointer passed as argument of TVertex::setBackEdgeB()" << endl; + return; + } + _BackEdgeB = directedViewEdge(iBackEdgeB, incoming); + if(!_sortedEdges.empty()){ + edge_pointers_container::iterator dve = _sortedEdges.begin(), dveend = _sortedEdges.end(); + while((dve!=dveend) && ViewEdgeComp(**dve, _BackEdgeB)){ + ++dve; + } + _sortedEdges.insert(dve, &_BackEdgeB); + } + else + _sortedEdges.push_back(&_BackEdgeB); +} +void TVertex::Replace(ViewEdge *iOld, ViewEdge *iNew) +{ + // theoritically, we only replace edges for which this + // view vertex is the B vertex + if((iOld == _FrontEdgeA.first) && (_FrontEdgeA.first->B() == this)) + { + _FrontEdgeA.first = iNew; + return; + } + if((iOld == _FrontEdgeB.first) && (_FrontEdgeB.first->B() == this)) + { + _FrontEdgeB.first = iNew; + return; + } + if((iOld == _BackEdgeA.first) && (_BackEdgeA.first->B() == this)) + { + _BackEdgeA.first = iNew; + return; + } + if((iOld == _BackEdgeB.first) && (_BackEdgeB.first->B() == this)) + { + _BackEdgeB.first = iNew; + return; + } +} + +/*! iterators access */ +ViewVertex::edge_iterator TVertex::edges_begin() +{ + //return edge_iterator(_FrontEdgeA, _FrontEdgeB, _BackEdgeA, _BackEdgeB, _FrontEdgeA); + return edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.begin()); +} +ViewVertex::const_edge_iterator TVertex::edges_begin() const +{ + //return const_edge_iterator(_FrontEdgeA, _FrontEdgeB, _BackEdgeA, _BackEdgeB, _FrontEdgeA); + return const_edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.begin()); +} +ViewVertex::edge_iterator TVertex::edges_end() +{ + //return edge_iterator(_FrontEdgeA, _FrontEdgeB, _BackEdgeA, _BackEdgeB, directedViewEdge(0,true)); + return edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.end()); +} +ViewVertex::const_edge_iterator TVertex::edges_end() const +{ + //return const_edge_iterator(_FrontEdgeA, _FrontEdgeB, _BackEdgeA, _BackEdgeB, directedViewEdge(0, true)); + return const_edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.end()); +} +ViewVertex::edge_iterator TVertex::edges_iterator(ViewEdge *iEdge) +{ + for(edge_pointers_container::iterator it=_sortedEdges.begin(), itend=_sortedEdges.end(); + it!=itend; + it++) + { + if((*it)->first == iEdge) + return edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), it); + } + return edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.begin()); + + // directedViewEdge dEdge; + // if(_FrontEdgeA.first == iEdge) + // dEdge = _FrontEdgeA; + // else if(_FrontEdgeB.first == iEdge) + // dEdge = _FrontEdgeB; + // else if(_BackEdgeA.first == iEdge) + // dEdge = _BackEdgeA; + // else if(_BackEdgeB.first == iEdge) + // dEdge = _BackEdgeB; + // return edge_iterator(_FrontEdgeA, _FrontEdgeB, _BackEdgeA, _BackEdgeB, dEdge); +} +ViewVertex::const_edge_iterator TVertex::edges_iterator(ViewEdge *iEdge) const +{ + for(edge_pointers_container::const_iterator it=_sortedEdges.begin(), itend=_sortedEdges.end(); + it!=itend; + it++) + { + if((*it)->first == iEdge) + return const_edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), it); + } + return const_edge_iterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.begin()); + + // directedViewEdge dEdge; + // if(_FrontEdgeA.first == iEdge) + // dEdge = _FrontEdgeA; + // else if(_FrontEdgeB.first == iEdge) + // dEdge = _FrontEdgeB; + // else if(_BackEdgeA.first == iEdge) + // dEdge = _BackEdgeA; + // else if(_BackEdgeB.first == iEdge) + // dEdge = _BackEdgeB; + // return const_edge_iterator(_FrontEdgeA, _FrontEdgeB, _BackEdgeA, _BackEdgeB, dEdge); +} + +ViewVertexInternal::orientedViewEdgeIterator TVertex::edgesBegin() { + return ViewVertexInternal::orientedViewEdgeIterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.begin()); +} +ViewVertexInternal::orientedViewEdgeIterator TVertex::edgesEnd() { + return ViewVertexInternal::orientedViewEdgeIterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.end()); +} +ViewVertexInternal::orientedViewEdgeIterator TVertex::edgesIterator(ViewEdge *iEdge) { + for(edge_pointers_container::iterator it=_sortedEdges.begin(), itend=_sortedEdges.end(); + it!=itend; + it++) + { + if((*it)->first == iEdge) + return ViewVertexInternal::orientedViewEdgeIterator(_sortedEdges.begin(), _sortedEdges.end(), it); + } + return ViewVertexInternal::orientedViewEdgeIterator(_sortedEdges.begin(), _sortedEdges.end(), _sortedEdges.begin()); +} + /**********************************/ + /* */ + /* */ + /* NonTVertex */ + /* */ + /* */ + /**********************************/ + +void NonTVertex::AddOutgoingViewEdge(ViewEdge * iVEdge){ + // let's keep the viewedges ordered in CCW order + // in the 2D image plan + directedViewEdge idve(iVEdge, false); + if(!_ViewEdges.empty()){ + edges_container::iterator dve = _ViewEdges.begin(), dveend = _ViewEdges.end(); + while((dve!=dveend) && ViewEdgeComp(*dve, idve)){ + ++dve; + } + _ViewEdges.insert(dve, idve); + } + else + _ViewEdges.push_back(idve); +} + +void NonTVertex::AddIncomingViewEdge(ViewEdge * iVEdge){ + // let's keep the viewedges ordered in CCW order + // in the 2D image plan + directedViewEdge idve(iVEdge, true); + if(!_ViewEdges.empty()){ + edges_container::iterator dve = _ViewEdges.begin(), dveend = _ViewEdges.end(); + while((dve!=dveend) && ViewEdgeComp(*dve, idve)){ + ++dve; + } + _ViewEdges.insert(dve, idve); + } + else + _ViewEdges.push_back(idve); +} + +/*! iterators access */ +ViewVertex::edge_iterator NonTVertex::edges_begin() +{ + return edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.begin()); +} +ViewVertex::const_edge_iterator NonTVertex::edges_begin() const +{ + return const_edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.begin()); +} +ViewVertex::edge_iterator NonTVertex::edges_end() +{ + return edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.end()); +} +ViewVertex::const_edge_iterator NonTVertex::edges_end() const +{ + return const_edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.end()); +} +ViewVertex::edge_iterator NonTVertex::edges_iterator(ViewEdge *iEdge) +{ + for(edges_container::iterator it=_ViewEdges.begin(), itend=_ViewEdges.end(); + it!=itend; + it++) + { + if((it)->first == iEdge) + return edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), it); + } + return edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.begin()); +} +ViewVertex::const_edge_iterator NonTVertex::edges_iterator(ViewEdge *iEdge) const +{ + for(edges_container::const_iterator it=_ViewEdges.begin(), itend=_ViewEdges.end(); + it!=itend; + it++) + { + if((it)->first == iEdge) + return const_edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), it); + } + return const_edge_iterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.begin()); +} + +ViewVertexInternal::orientedViewEdgeIterator NonTVertex::edgesBegin() { + return ViewVertexInternal::orientedViewEdgeIterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.begin()); +} +ViewVertexInternal::orientedViewEdgeIterator NonTVertex::edgesEnd() { + return ViewVertexInternal::orientedViewEdgeIterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.end()); +} +ViewVertexInternal::orientedViewEdgeIterator NonTVertex::edgesIterator(ViewEdge *iEdge) { + for(edges_container::iterator it=_ViewEdges.begin(), itend=_ViewEdges.end(); + it!=itend; + it++) + { + if((it)->first == iEdge) + return ViewVertexInternal::orientedViewEdgeIterator(_ViewEdges.begin(), _ViewEdges.end(), it); + } + return ViewVertexInternal::orientedViewEdgeIterator(_ViewEdges.begin(), _ViewEdges.end(), _ViewEdges.begin()); +} + /**********************************/ + /* */ + /* */ + /* ViewEdge */ + /* */ + /* */ + /**********************************/ + +real ViewEdge::getLength2D() const +{ + float length = 0.f; + ViewEdge::const_fedge_iterator itlast = fedge_iterator_last(); + ViewEdge::const_fedge_iterator it = fedge_iterator_begin(), itend=fedge_iterator_end(); + Vec2r seg; + do{ + seg = Vec2r((*it)->orientation2d()[0], (*it)->orientation2d()[1]); + length += seg.norm(); + ++it; + }while((it!=itend) && (it!=itlast)); + return length; +} + + +//! view edge iterator +ViewEdge::edge_iterator ViewEdge::ViewEdge_iterator() {return edge_iterator(this);} +ViewEdge::const_edge_iterator ViewEdge::ViewEdge_iterator() const {return const_edge_iterator((ViewEdge*)this);} +//! feature edge iterator +ViewEdge::fedge_iterator ViewEdge::fedge_iterator_begin() {return fedge_iterator(this->_FEdgeA, this->_FEdgeB);} +ViewEdge::const_fedge_iterator ViewEdge::fedge_iterator_begin() const {return const_fedge_iterator(this->_FEdgeA, this->_FEdgeB);} +ViewEdge::fedge_iterator ViewEdge::fedge_iterator_last() {return fedge_iterator(this->_FEdgeB, this->_FEdgeB);} +ViewEdge::const_fedge_iterator ViewEdge::fedge_iterator_last() const {return const_fedge_iterator(this->_FEdgeB, this->_FEdgeB);} +ViewEdge::fedge_iterator ViewEdge::fedge_iterator_end() {return fedge_iterator(0, this->_FEdgeB);} +ViewEdge::const_fedge_iterator ViewEdge::fedge_iterator_end() const {return const_fedge_iterator(0, this->_FEdgeB);} +//! embedding vertex iterator +ViewEdge::const_vertex_iterator ViewEdge::vertices_begin() const {return const_vertex_iterator(this->_FEdgeA->vertexA(), 0, _FEdgeA);} +ViewEdge::vertex_iterator ViewEdge::vertices_begin() {return vertex_iterator(this->_FEdgeA->vertexA(), 0, _FEdgeA);} +ViewEdge::const_vertex_iterator ViewEdge::vertices_last() const {return const_vertex_iterator(this->_FEdgeB->vertexB(), _FEdgeB, 0);} +ViewEdge::vertex_iterator ViewEdge::vertices_last() {return vertex_iterator(this->_FEdgeB->vertexB(), _FEdgeB, 0);} +ViewEdge::const_vertex_iterator ViewEdge::vertices_end() const {return const_vertex_iterator(0, _FEdgeB, 0);} +ViewEdge::vertex_iterator ViewEdge::vertices_end() {return vertex_iterator(0, _FEdgeB, 0);} + + +Interface0DIterator ViewEdge::verticesBegin() { + Interface0DIterator ret(new ViewEdgeInternal::SVertexIterator(this->_FEdgeA->vertexA(), this->_FEdgeA->vertexA(), 0, _FEdgeA, 0.f)); + return ret; +} + +Interface0DIterator ViewEdge::verticesEnd() { + Interface0DIterator ret(new ViewEdgeInternal::SVertexIterator(0, this->_FEdgeA->vertexA(), _FEdgeB, 0, getLength2D())); + return ret; +} + +Interface0DIterator ViewEdge::pointsBegin(float t) { + return verticesBegin(); +} + +Interface0DIterator ViewEdge::pointsEnd(float t) { + return verticesEnd(); +} + + + + /**********************************/ + /* */ + /* */ + /* ViewShape */ + /* */ + /* */ + /**********************************/ + + +ViewShape::~ViewShape() +{ + _Vertices.clear(); + + if(!(_Edges.empty())) + { + for(vector<ViewEdge*>::iterator e=_Edges.begin(), eend=_Edges.end(); + e!=eend; + e++) + { + delete (*e); + } + _Edges.clear(); + } + + if(0 != _SShape) + { + delete _SShape; + _SShape = 0; + } +} + +void ViewShape::RemoveEdge(ViewEdge * iViewEdge) +{ + FEdge * fedge = iViewEdge->fedgeA(); + for(vector<ViewEdge*>::iterator ve=_Edges.begin(),veend=_Edges.end(); + ve!=veend; + ve++) + { + if(iViewEdge == (*ve)) + { + _Edges.erase(ve); + _SShape->RemoveEdge(fedge); + break; + } + } +} + +void ViewShape::RemoveVertex(ViewVertex * iViewVertex) +{ + for(vector<ViewVertex*>::iterator vv=_Vertices.begin(), vvend=_Vertices.end(); + vv!=vvend; + vv++) + { + if(iViewVertex == (*vv)) + { + _Vertices.erase(vv); + break; + } + } +} + + /**********************************/ + /* */ + /* */ + /* ViewEdge */ + /* */ + /* */ + /**********************************/ + + +void ViewEdge::UpdateFEdges() +{ + FEdge *currentEdge = _FEdgeA; + do + { + currentEdge->setViewEdge(this); + currentEdge = currentEdge->nextEdge(); + }while((currentEdge != NULL) && (currentEdge!= _FEdgeB)); + // last one + _FEdgeB->setViewEdge(this); + +} |