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OMReader.hh
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//=============================================================================
//
// Implements a reader module for OFF files
//
//=============================================================================
#ifndef __OMREADER_HH__
#define __OMREADER_HH__
//=== INCLUDES ================================================================
// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/OMFormat.hh>
#include <OpenMesh/Core/IO/IOManager.hh>
#include <OpenMesh/Core/IO/importer/BaseImporter.hh>
#include <OpenMesh/Core/IO/reader/BaseReader.hh>
// STD C++
#include <iosfwd>
#include <string>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//== IMPLEMENTATION ===========================================================
class OPENMESHDLLEXPORT _OMReader_ : public BaseReader
{
public:
_OMReader_();
virtual ~_OMReader_() { }
std::string get_description() const override { return "OpenMesh File Format"; }
std::string get_extensions() const override { return "om"; }
std::string get_magic() const override { return "OM"; }
bool read(const std::string& _filename,
BaseImporter& _bi,
Options& _opt ) override;
bool read(std::istream& _is,
BaseImporter& _bi,
Options& _opt ) override;
virtual bool can_u_read(const std::string& _filename) const override;
virtual bool can_u_read(std::istream& _is) const;
private:
bool supports( const OMFormat::uint8 version ) const;
bool read_ascii(std::istream& _is, BaseImporter& _bi, const Options& _opt) const;
bool read_binary(std::istream& _is, BaseImporter& _bi, const Options& _opt) const;
typedef OMFormat::Header Header;
typedef OMFormat::Chunk::Header ChunkHeader;
typedef OMFormat::Chunk::PropertyName PropertyName;
// initialized/updated by read_binary*/read_ascii*
mutable size_t bytes_;
mutable Options fileOptions_;
mutable Header header_;
mutable ChunkHeader chunk_header_;
mutable PropertyName property_name_;
bool read_binary_vertex_chunk( std::istream &_is,
BaseImporter &_bi,
const Options &_opt,
bool _swap) const;
bool read_binary_face_chunk( std::istream &_is,
BaseImporter &_bi,
const Options &_opt,
bool _swap) const;
bool read_binary_edge_chunk( std::istream &_is,
BaseImporter &_bi,
const Options &_opt,
bool _swap) const;
bool read_binary_halfedge_chunk( std::istream &_is,
BaseImporter &_bi,
const Options &_opt,
bool _swap) const;
bool read_binary_mesh_chunk( std::istream &_is,
BaseImporter &_bi,
const Options &_opt,
bool _swap) const;
size_t restore_binary_custom_data(std::istream& _is,
BaseProperty* _bp,
size_t _n_elem,
bool _swap) const;
//------------------helper
private:
void add_generic_property(OMFormat::Chunk::PropertyName& _property_type, BaseImporter& _bi) const;
};
//== TYPE DEFINITION ==========================================================
extern _OMReader_ __OMReaderInstance;
OPENMESHDLLEXPORT _OMReader_& OMReader();
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59
OpenMesh::IO
This namespace contains functions for reading and writing polygonal meshes and a list of supported fi...
OpenMesh::IO::__OMReaderInstance
_OMReader_ __OMReaderInstance
Declare the single entity of the OM reader.
Definition OMReader.cc:75
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition BaseImporter.hh:84
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition Options.hh:92
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition BaseReader.hh:87
OpenMesh::IO::_OMReader_::get_magic
std::string get_magic() const override
Return magic bits used to determine file format.
Definition OMReader.hh:94
OpenMesh::IO::_OMReader_::get_extensions
std::string get_extensions() const override
Returns a string with the accepted file extensions separated by a whitespace and in small caps.
Definition OMReader.hh:93
OpenMesh::IO::_OMReader_::get_description
std::string get_description() const override
Returns a brief description of the file type that can be parsed.
Definition OMReader.hh:92
OpenMesh::BaseProperty
Abstract class defining the basic interface of a dynamic property.
Definition BaseProperty.hh:61