22bb307868
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@87 fdac6126-5c0c-442c-9429-916003d36597
137 lines
5.0 KiB
C++
137 lines
5.0 KiB
C++
/*===========================================================================*\
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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 the baseclass for IOManager importer modules
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//
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//=============================================================================
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#ifndef __BASEIMPORTER_HH__
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#define __BASEIMPORTER_HH__
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//=== INCLUDES ================================================================
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// STL
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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/Mesh/BaseKernel.hh>
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace IO {
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//=== IMPLEMENTATION ==========================================================
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/** Base class for importer modules. Importer modules provide an
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* interface between the loader modules and the target data
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* structure. This is basically a wrapper providing virtual versions
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* for the required mesh functions.
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*/
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class BaseImporter
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{
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public:
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// base class needs virtual destructor
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virtual ~BaseImporter() {}
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// add a vertex with coordinate \c _point
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virtual VertexHandle add_vertex(const Vec3f& _point) = 0;
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// add a face with indices _indices refering to vertices
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typedef std::vector<VertexHandle> VHandles;
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virtual FaceHandle add_face(const VHandles& _indices) = 0;
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// add texture coordinates per face, _vh references the first texcoord
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virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec2f>& _face_texcoords) = 0;
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// set vertex normal
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virtual void set_normal(VertexHandle _vh, const Vec3f& _normal) = 0;
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// set vertex color
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virtual void set_color(VertexHandle _vh, const Vec3uc& _color) = 0;
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// set vertex color
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virtual void set_color(VertexHandle _vh, const Vec4uc& _color) = 0;
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// set vertex texture coordinate
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virtual void set_texcoord(VertexHandle _vh, const Vec2f& _texcoord) = 0;
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// set vertex texture coordinate
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virtual void set_texcoord(HalfedgeHandle _heh, const Vec2f& _texcoord) = 0;
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// set face normal
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virtual void set_normal(FaceHandle _fh, const Vec3f& _normal) = 0;
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// set face color
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virtual void set_color(FaceHandle _fh, const Vec3uc& _color) = 0;
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// set face color
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virtual void set_color(FaceHandle _fh, const Vec4uc& _color) = 0;
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// get reference to base kernel
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virtual BaseKernel* kernel() { return 0; }
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virtual bool is_triangle_mesh() const { return false; }
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// reserve mem for elements
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virtual void reserve( unsigned int /* nV */,
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unsigned int /* nE */,
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unsigned int /* nF */) {}
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// query number of faces, vertices, normals, texcoords
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virtual size_t n_vertices() const = 0;
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virtual size_t n_faces() const = 0;
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virtual size_t n_edges() const = 0;
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// pre-processing
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virtual void prepare() {}
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// post-processing
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virtual void finish() {}
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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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