OFFReader.hh

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//=============================================================================
//
//  Implements a reader module for OFF files
//
//=============================================================================
 
#pragma once
 
//=== INCLUDES ================================================================
 
 
#include <iosfwd>
#include <string>
#include <cstdio>
 
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/reader/BaseReader.hh>
 
 
//== NAMESPACES ===============================================================
 
 
namespace OpenMesh {
namespace IO {
 
 
//== FORWARDS =================================================================
 
 
class BaseImporter;
 
 
//== IMPLEMENTATION ===========================================================
 
 
class OPENMESHDLLEXPORT _OFFReader_ : public BaseReader
{
public:
 
  _OFFReader_();
 
  virtual ~_OFFReader_() {};
 
  std::string get_description() const override { return "Object File Format"; }
  std::string get_extensions()  const override { return "off"; }
  std::string get_magic()       const override { return "OFF"; }
 
  bool read(const std::string& _filename,
            BaseImporter& _bi,
            Options& _opt) override;
 
  bool can_u_read(const std::string& _filename) const override;
 
  bool read(std::istream& _in, BaseImporter& _bi, Options& _opt ) override;
 
private:
 
  bool can_u_read(std::istream& _is) const;
 
  bool read_ascii(std::istream& _in, BaseImporter& _bi, Options& _opt) const;
  bool read_binary(std::istream& _in, BaseImporter& _bi, Options& _opt, bool swap) const;
 
  void readValue(std::istream& _in, float& _value) const;
  void readValue(std::istream& _in, int& _value) const;
  void readValue(std::istream& _in, unsigned int& _value) const;
 
  int getColorType(std::string & _line, bool _texCoordsAvailable) const;
 
  //available options for reading
  mutable Options options_;
  //options that the user wants to read
  mutable Options userOptions_;
};
 
 
//== TYPE DEFINITION ==========================================================
 
 
extern _OFFReader_  __OFFReaderInstance;
OPENMESHDLLEXPORT _OFFReader_& OFFReader();
 
 
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================