/**************************************************************************** * VCGLib o o * * Visual and Computer Graphics Library o o * * _ O _ * * Copyright(C) 2004-2016 \/)\/ * * Visual Computing Lab /\/| * * ISTI - Italian National Research Council | * * \ * * All rights reserved. * * * * 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 (http://www.gnu.org/licenses/gpl.txt) * * for more details. * * * ****************************************************************************/ /*! \file trimesh_optional.cpp \ingroup code_sample \brief the minimal example of using the \ref optional_component "Optional Components". This file shows how to dynamically allocate component that you do not need most of the time. */ #include #include #include #include #include #include #include #include #include class MyFace; class MyVertex; struct MyUsedTypes: public vcg::UsedTypes< vcg::Use::AsVertexType, vcg::Use::AsFaceType>{}; class MyVertex : public vcg::Vertex< MyUsedTypes, vcg::vertex::Coord3f, vcg::vertex::Qualityf, vcg::vertex::Color4b, vcg::vertex::BitFlags, vcg::vertex::Normal3f, vcg::vertex::VFAdj >{}; class MyFace : public vcg::Face< MyUsedTypes, vcg::face::FFAdj, vcg::face::VFAdj, vcg::face::Color4b, vcg::face::VertexRef, vcg::face::BitFlags, vcg::face::Normal3f > {}; class MyMesh : public vcg::tri::TriMesh< std::vector, std::vector > {}; class MyVertexOcf; class MyFaceOcf; struct MyUsedTypesOcf: public vcg::UsedTypes< vcg::Use::AsVertexType, vcg::Use::AsFaceType>{}; class MyVertexOcf : public vcg::Vertex< MyUsedTypesOcf, vcg::vertex::InfoOcf, // <--- Note the use of the 'special' InfoOcf component vcg::vertex::Coord3f, vcg::vertex::QualityfOcf, vcg::vertex::Color4b, vcg::vertex::BitFlags, vcg::vertex::Normal3f, vcg::vertex::VFAdjOcf >{}; class MyFaceOcf : public vcg::Face< MyUsedTypesOcf, vcg::face::InfoOcf, // <--- Note the use of the 'special' InfoOcf component vcg::face::FFAdjOcf, vcg::face::VFAdjOcf, vcg::face::Color4bOcf, vcg::face::VertexRef, vcg::face::BitFlags, vcg::face::Normal3fOcf > {}; // the mesh class must make use of the 'vector_ocf' containers instead of the classical std::vector class MyMeshOcf : public vcg::tri::TriMesh< vcg::vertex::vector_ocf, vcg::face::vector_ocf > {}; using namespace vcg; using namespace std; int main(int , char **) { MyMesh cm; MyMeshOcf cmof; tri::Tetrahedron(cm); tri::Tetrahedron(cmof); printf("Generated mesh has %i vertices and %i triangular faces\n",cm.VN(),cm.FN()); assert(tri::HasFFAdjacency(cmof) == false); cmof.face.EnableFFAdjacency(); assert(tri::HasFFAdjacency(cmof) == true); assert(tri::HasVFAdjacency(cmof) == false); cmof.vert.EnableVFAdjacency(); cmof.face.EnableVFAdjacency(); assert(tri::HasVFAdjacency(cmof) == true); tri::UpdateTopology::FaceFace(cm); tri::UpdateTopology::FaceFace(cmof); tri::UpdateFlags::FaceBorderFromFF(cm); tri::UpdateFlags::FaceBorderFromFF(cmof); tri::UpdateNormal::PerVertexPerFace(cm); cmof.face.EnableNormal(); // remove this line and you will throw an exception for a missing 'normal' component tri::UpdateNormal::PerVertexPerFace(cmof); cmof.vert.EnableQuality(); tri::UpdateColor::PerVertexConstant(cmof,Color4b::LightGray); printf("cmof IsColorEnabled() %s\n",cmof.face.back().IsColorEnabled()?"Yes":"No"); cmof.face.EnableColor(); tri::UpdateColor::PerFaceConstant(cmof,Color4b::LightGray); cmof.vert[0].C()=Color4b::Red; printf("cmof IsColorEnabled() %s\n",cmof.face.back().IsColorEnabled()?"Yes":"No"); printf("cm IsColorEnabled() %s\n",cm.face.back().IsColorEnabled()?"Yes":"No"); printf("cm IsColorEnabled() %s\n",cm.face.back().HasColor()?"Yes":"No"); printf("Normal of face 0 is %f %f %f\n\n",cm.face[0].N()[0],cm.face[0].N()[1],cm.face[0].N()[2]); int t0=0,t1=0,t2=0; while(float(t1-t0)/CLOCKS_PER_SEC < 0.1f) { t0=clock(); tri::RefineOddEven (cm, tri::OddPointLoop(cm), tri::EvenPointLoop(), 0); t1=clock(); tri::RefineOddEven (cmof, tri::OddPointLoop(cmof), tri::EvenPointLoop(), 0); t2=clock(); } printf("Last Iteration: Refined a tetra up to a mesh of %i faces in:\n" "Standard Component %5.2f sec\n" "OCF Component %5.2f sec\n",cm.FN(),float(t1-t0)/CLOCKS_PER_SEC,float(t2-t1)/CLOCKS_PER_SEC); tri::io::ExporterOFF::Save(cmof,"test.off",tri::io::Mask::IOM_VERTCOLOR); return 0; }