OBJWriter.hh

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//=============================================================================
//
//  Implements an IOManager writer module for OBJ files
//
//=============================================================================
 
 
#ifndef __OBJWRITER_HH__
#define __OBJWRITER_HH__
 
 
//=== INCLUDES ================================================================
 
 
#include <string>
#include <fstream>
 
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
#include <OpenMesh/Core/IO/writer/BaseWriter.hh>
 
 
//== NAMESPACES ===============================================================
 
 
namespace OpenMesh {
namespace IO {
 
 
//=== IMPLEMENTATION ==========================================================
 
 
class OPENMESHDLLEXPORT _OBJWriter_ : public BaseWriter
{
public:
 
  _OBJWriter_();
 
  virtual ~_OBJWriter_() {};
 
  std::string get_description() const override  { return "Alias/Wavefront"; }
  std::string get_extensions()  const override  { return "obj"; }
 
  bool write(const std::string&, BaseExporter&, const Options& _writeOptions, std::streamsize _precision = 6) const override;
 
  bool write(std::ostream&, BaseExporter&, const Options& _writeOptions, std::streamsize _precision = 6) const override;
 
  size_t binary_size(BaseExporter&, const Options&) const override { return 0; }
 
private:
 
  mutable std::string path_;
  mutable std::string objName_;
 
  mutable std::vector< OpenMesh::Vec3f > material_;
  mutable std::map< OpenMesh::Vec3f, size_t> material_idx_;
  mutable std::vector< OpenMesh::Vec4f > materialA_;
  mutable std::map< OpenMesh::Vec4f, size_t> materialA_idx_;
 
  size_t getMaterial(OpenMesh::Vec3f _color) const;
 
  size_t getMaterial(OpenMesh::Vec4f _color) const;
 
  bool writeMaterial(std::ostream& _out, BaseExporter&, Options) const;
 
 
};
 
 
//== TYPE DEFINITION ==========================================================
 
 
extern _OBJWriter_  __OBJWriterinstance;
OPENMESHDLLEXPORT _OBJWriter_& OBJWriter();
 
 
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================