97f515985d
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
151 lines
5.4 KiB
C++
151 lines
5.4 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 a reader module for OFF files
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//
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//=============================================================================
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#ifndef __OMREADER_HH__
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#define __OMREADER_HH__
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//=== INCLUDES ================================================================
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// OpenMesh
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#include <OpenMesh/Core/System/config.h>
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#include <OpenMesh/Core/Utils/SingletonT.hh>
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#include <OpenMesh/Core/IO/OMFormat.hh>
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#include <OpenMesh/Core/IO/IOManager.hh>
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#include <OpenMesh/Core/IO/importer/BaseImporter.hh>
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#include <OpenMesh/Core/IO/reader/BaseReader.hh>
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// STD C++
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#include <iostream>
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#include <string>
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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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/**
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Implementation of the OM format reader. This class is singleton'ed by
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SingletonT to OMReader.
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*/
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class _OMReader_ : public BaseReader
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{
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public:
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_OMReader_();
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virtual ~_OMReader_() { }
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std::string get_description() const { return "OpenMesh File Format"; }
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std::string get_extensions() const { return "om"; }
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std::string get_magic() const { return "OM"; }
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bool read(const std::string& _filename,
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BaseImporter& _bi,
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Options& _opt );
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virtual bool can_u_read(const std::string& _filename) const;
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virtual bool can_u_read(std::istream& _is) const;
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private:
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bool supports( const OMFormat::uint8 version ) const;
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bool read(std::istream& _is, BaseImporter& _bi, Options& _opt ) const;
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bool read_ascii(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
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bool read_binary(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
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typedef OMFormat::Header Header;
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typedef OMFormat::Chunk::Header ChunkHeader;
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typedef OMFormat::Chunk::PropertyName PropertyName;
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// initialized/updated by read_binary*/read_ascii*
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mutable size_t bytes_;
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mutable Header header_;
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mutable ChunkHeader chunk_header_;
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mutable PropertyName property_name_;
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bool read_binary_vertex_chunk( std::istream &_is,
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BaseImporter &_bi,
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Options &_opt,
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bool _swap) const;
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bool read_binary_face_chunk( std::istream &_is,
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BaseImporter &_bi,
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Options &_opt,
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bool _swap) const;
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bool read_binary_edge_chunk( std::istream &_is,
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BaseImporter &_bi,
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Options &_opt,
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bool _swap) const;
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bool read_binary_halfedge_chunk( std::istream &_is,
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BaseImporter &_bi,
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Options &_opt,
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bool _swap) const;
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bool read_binary_mesh_chunk( std::istream &_is,
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BaseImporter &_bi,
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Options &_opt,
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bool _swap) const;
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size_t restore_binary_custom_data( std::istream& _is,
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BaseProperty* _bp,
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size_t _n_elem,
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bool _swap) const;
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};
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//== TYPE DEFINITION ==========================================================
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/// Declare the single entity of the OM reader.
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extern _OMReader_ __OMReaderInstance;
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_OMReader_& OMReader();
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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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