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Diffstat (limited to 'source/blender/freestyle/intern/view_map/ViewMapTesselator.h')
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diff --git a/source/blender/freestyle/intern/view_map/ViewMapTesselator.h b/source/blender/freestyle/intern/view_map/ViewMapTesselator.h new file mode 100755 index 00000000000..0177dc630b8 --- /dev/null +++ b/source/blender/freestyle/intern/view_map/ViewMapTesselator.h @@ -0,0 +1,196 @@ +// +// Filename : ViewMapTesselator.h +// Author(s) : Stephane Grabli +// Purpose : Class to build a Node Tree designed to be displayed +// from a Silhouette View Map structure. +// Date of creation : 26/03/2002 +// +/////////////////////////////////////////////////////////////////////////////// + + +// +// 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. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef VIEWMAPTESSELATOR_H +# define VIEWMAPTESSELATOR_H + +# include "Silhouette.h" +# include "ViewMap.h" +# include "../scene_graph/NodeShape.h" +# include "../winged_edge/WEdge.h" +# include "../scene_graph/NodeGroup.h" +# include "../scene_graph/LineRep.h" +# include "../scene_graph/OrientedLineRep.h" +# include "../scene_graph/VertexRep.h" + +class NodeShape; +class NodeGroup; +class SShape; +class WShape; + +class LIB_VIEW_MAP_EXPORT ViewMapTesselator +{ +public: + + inline ViewMapTesselator() {_nature = Nature::SILHOUETTE | Nature::BORDER | Nature::CREASE;_FrsMaterial.setDiffuse(0,0,0,1);_overloadFrsMaterial=false;} + virtual ~ViewMapTesselator() {} + + /*! Builds a set of lines rep contained under a + * a NodeShape, itself contained under a NodeGroup from a ViewMap + */ + NodeGroup* Tesselate(ViewMap* iViewMap) ; + + /*! Builds a set of lines rep contained under a + * a NodeShape, itself contained under a NodeGroup from a + * set of view edges + */ + template<class ViewEdgesIterator> + NodeGroup* Tesselate(ViewEdgesIterator begin, ViewEdgesIterator end) ; + + /*! Builds a set of lines rep contained among a + * a NodeShape, from a WShape + */ + NodeGroup* Tesselate(WShape* iWShape); + + + inline void setNature(Nature::EdgeNature iNature) {_nature = iNature;} + inline void setFrsMaterial(const FrsMaterial& iMaterial) {_FrsMaterial=iMaterial;_overloadFrsMaterial=true;} + inline Nature::EdgeNature nature() {return _nature;} + inline const FrsMaterial& frs_material() const {return _FrsMaterial;} + +protected: + virtual void AddVertexToLine(LineRep *iLine, SVertex *v) = 0; + +private: + Nature::EdgeNature _nature; + FrsMaterial _FrsMaterial; + bool _overloadFrsMaterial; +}; + +/*! Class to tesselate the 2D projected silhouette */ +class ViewMapTesselator2D : public ViewMapTesselator +{ +public: + inline ViewMapTesselator2D() : ViewMapTesselator() {} + virtual ~ViewMapTesselator2D() {} + +protected: + virtual void AddVertexToLine(LineRep *iLine, SVertex *v) + { + iLine->AddVertex(v->point2D()); + } +}; + +/*! Class to tesselate the 3D silhouette */ +class ViewMapTesselator3D : public ViewMapTesselator +{ +public: + inline ViewMapTesselator3D() : ViewMapTesselator() {} + virtual ~ViewMapTesselator3D() {} + +protected: + virtual void AddVertexToLine(LineRep *iLine, SVertex *v) + { + iLine->AddVertex(v->point3D()); + } +}; + +// +// Implementation +// +/////////////////////////////////////////////// + +template<class ViewEdgesIterator> +NodeGroup * ViewMapTesselator::Tesselate(ViewEdgesIterator begin, ViewEdgesIterator end) +{ + NodeGroup *group = new NodeGroup; + NodeShape *tshape = new NodeShape; + group->AddChild(tshape); + //tshape->frs_material().setDiffuse(0.f, 0.f, 0.f, 1.f); + tshape->setFrsMaterial(_FrsMaterial); + + LineRep* line; + + + FEdge *firstEdge; + FEdge *nextFEdge, *currentEdge; + + int id=0; + // for(vector<ViewEdge*>::const_iterator c=viewedges.begin(),cend=viewedges.end(); + // c!=cend; + // c++) + for(ViewEdgesIterator c=begin, cend=end; + c!=cend; + c++) + { + // if((*c)->qi() > 0){ + // continue; + // } + // if(!((*c)->nature() & (_nature))) + // continue; + // + firstEdge = (*c)->fedgeA(); + + // if(firstEdge->invisibility() > 0) + // continue; + + line = new OrientedLineRep(); + if(_overloadFrsMaterial) + line->setFrsMaterial(_FrsMaterial); + + // there might be chains containing a single element + if(0 == (firstEdge)->nextEdge()) + { + line->setStyle(LineRep::LINES); + // line->AddVertex((*c)->vertexA()->point3D()); + // line->AddVertex((*c)->vertexB()->point3D()); + AddVertexToLine(line, firstEdge->vertexA()); + AddVertexToLine(line, firstEdge->vertexB()); + } + else + { + line->setStyle(LineRep::LINE_STRIP); + + //firstEdge = (*c); + nextFEdge = firstEdge; + currentEdge = firstEdge; + do + { + //line->AddVertex(nextFEdge->vertexA()->point3D()); + AddVertexToLine(line, nextFEdge->vertexA()); + currentEdge = nextFEdge; + nextFEdge = nextFEdge->nextEdge(); + }while((nextFEdge != NULL) && (nextFEdge != firstEdge)); + // Add the last vertex + //line->AddVertex(currentEdge->vertexB()->point3D()); + AddVertexToLine(line, currentEdge->vertexB()); + + } + + line->setId((*c)->getId().getFirst()); + line->ComputeBBox(); + tshape->AddRep(line); + id++; + } + + return group; +} + +#endif // VIEWMAPTESSELATOR_H |