First checkin for OpenMesh 2.0
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
183
Core/IO/exporter/ExporterT.hh
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183
Core/IO/exporter/ExporterT.hh
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/*===========================================================================*\
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* *
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* OpenMesh *
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* Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* *
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* License *
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* *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published *
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* by the Free Software Foundation, version 2.1. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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* *
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\*===========================================================================*/
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//=============================================================================
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//
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// Implements an exporter module for arbitrary OpenMesh meshes
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//
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//=============================================================================
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#ifndef __EXPORTERT_HH__
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#define __EXPORTERT_HH__
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//=== INCLUDES ================================================================
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// C++
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#include <vector>
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// OpenMesh
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#include <OpenMesh/Core/System/config.h>
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#include <OpenMesh/Core/Geometry/VectorT.hh>
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#include <OpenMesh/Core/Utils/GenProg.hh>
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#include <OpenMesh/Core/Utils/vector_cast.hh>
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#include <OpenMesh/Core/Utils/color_cast.hh>
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#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
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//=== NAMESPACES ==============================================================
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namespace OpenMesh {
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namespace IO {
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//=== EXPORTER CLASS ==========================================================
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/**
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* This class template provides an exporter module for OpenMesh meshes.
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*/
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template <class Mesh>
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class ExporterT : public BaseExporter
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{
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public:
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// Constructor
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ExporterT(const Mesh& _mesh) : mesh_(_mesh) {}
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// get vertex data
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Vec3f point(VertexHandle _vh) const
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{
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return vector_cast<Vec3f>(mesh_.point(_vh));
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}
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Vec3f normal(VertexHandle _vh) const
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{
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return (mesh_.has_vertex_normals()
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? vector_cast<Vec3f>(mesh_.normal(_vh))
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: Vec3f(0.0f, 0.0f, 0.0f));
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}
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Vec3uc color(VertexHandle _vh) const
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{
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return (mesh_.has_vertex_colors()
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? color_cast<Vec3uc>(mesh_.color(_vh))
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: Vec3uc(0, 0, 0));
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}
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Vec4uc colorA(VertexHandle _vh) const
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{
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return (mesh_.has_vertex_colors()
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? color_cast<Vec4uc>(mesh_.color(_vh))
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: Vec4uc(0, 0, 0, 0));
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}
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Vec2f texcoord(VertexHandle _vh) const
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{
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#if defined(OM_CC_GCC) && (OM_CC_VERSION<30000)
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// Workaround!
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// gcc 2.95.3 exits with internal compiler error at the
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// code below!??? **)
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if (mesh_.has_vertex_texcoords2D())
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return vector_cast<Vec2f>(mesh_.texcoord2D(_vh));
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return Vec2f(0.0f, 0.0f);
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#else // **)
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return (mesh_.has_vertex_texcoords2D()
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? vector_cast<Vec2f>(mesh_.texcoord2D(_vh))
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: Vec2f(0.0f, 0.0f));
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#endif
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}
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// get face data
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unsigned int get_vhandles(FaceHandle _fh,
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std::vector<VertexHandle>& _vhandles) const
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{
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unsigned int count(0);
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_vhandles.clear();
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for (typename Mesh::CFVIter fv_it=mesh_.cfv_iter(_fh); fv_it; ++fv_it)
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{
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_vhandles.push_back(fv_it.handle());
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++count;
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}
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return count;
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}
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Vec3f normal(FaceHandle _fh) const
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{
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return (mesh_.has_face_normals()
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? vector_cast<Vec3f>(mesh_.normal(_fh))
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: Vec3f(0.0f, 0.0f, 0.0f));
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}
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Vec3uc color(FaceHandle _fh) const
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{
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return (mesh_.has_face_colors()
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? color_cast<Vec3uc>(mesh_.color(_fh))
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: Vec3uc(0, 0, 0));
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}
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Vec4uc colorA(FaceHandle _fh) const
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{
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return (mesh_.has_face_colors()
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? color_cast<Vec4uc>(mesh_.color(_fh))
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: Vec4uc(0, 0, 0, 0));
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}
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virtual const BaseKernel* kernel() { return &mesh_; }
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// query number of faces, vertices, normals, texcoords
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size_t n_vertices() const { return mesh_.n_vertices(); }
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size_t n_faces() const { return mesh_.n_faces(); }
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size_t n_edges() const { return mesh_.n_edges(); }
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// property information
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bool is_triangle_mesh() const
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{ return Mesh::is_triangles(); }
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bool has_vertex_normals() const { return mesh_.has_vertex_normals(); }
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bool has_vertex_colors() const { return mesh_.has_vertex_colors(); }
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bool has_vertex_texcoords() const { return mesh_.has_vertex_texcoords2D(); }
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bool has_face_normals() const { return mesh_.has_face_normals(); }
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bool has_face_colors() const { return mesh_.has_face_colors(); }
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private:
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const Mesh& mesh_;
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};
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//=============================================================================
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} // namespace IO
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} // namespace OpenMesh
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//=============================================================================
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#endif
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//=============================================================================
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