PLYWriter.hh 5.45 KB
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/*===========================================================================*\
 *                                                                           *
 *                               OpenMesh                                    *
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 *      Copyright (C) 2001-2012 by Computer Graphics Group, RWTH Aachen      *
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 *                           www.openmesh.org                                *
 *                                                                           *
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 *---------------------------------------------------------------------------* 
 *  This file is part of OpenMesh.                                           *
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 *                                                                           *
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 *  OpenMesh is free software: you can redistribute it and/or modify         * 
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
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 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
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 *  OpenMesh is distributed in the hope that it will be useful,              *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
 *  GNU Lesser General Public License for more details.                      *
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 *                                                                           *
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 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenMesh.  If not,                                    *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/ 

/*===========================================================================*\
 *                                                                           *             
 *   $Revision$                                                         *
 *   $Date$                   *
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 *                                                                           *
\*===========================================================================*/


//=============================================================================
//
//  Implements a writer module for PLY files
//
//=============================================================================


#ifndef __PLYWRITER_HH__
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#define __PLYWRITER_HH__
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//=== INCLUDES ================================================================


#include <stdio.h>
#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 ==========================================================


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/**
    Implementation of the PLY format writer. This class is singleton'ed by
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    SingletonT to PLYWriter.

    currently supported options:
    - VertexColors
    - Binary
    - Binary -> MSB
*/
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class OPENMESHDLLEXPORT _PLYWriter_ : public BaseWriter
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{
public:

  _PLYWriter_();

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  /// Destructor
  virtual ~_PLYWriter_() {};

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  std::string get_description() const { return "PLY polygon file format"; }
  std::string get_extensions() const  { return "ply"; }

  bool write(const std::string&, BaseExporter&, Options) const;

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  bool write(std::ostream&, BaseExporter&, Options) const;
  
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  size_t binary_size(BaseExporter& _be, Options _opt) const;

  enum ValueType {
    Unsupported ,
    ValueTypeFLOAT32, ValueTypeFLOAT,
    ValueTypeUINT8, ValueTypeINT32, ValueTypeINT ,
    ValueTypeUCHAR
  };

private:
  mutable Options options_;

protected:
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  void writeValue(ValueType _type, std::ostream& _out, int value) const;
  void writeValue(ValueType _type, std::ostream& _out, unsigned int value) const;
  void writeValue(ValueType _type, std::ostream& _out, float value) const;
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  bool write_ascii(std::ostream& _in, BaseExporter&, Options) const;
  bool write_binary(std::ostream& _in, BaseExporter&, Options) const;
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};


//== TYPE DEFINITION ==========================================================


/// Declare the single entity of the PLY writer.
extern _PLYWriter_  __PLYWriterInstance;
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OPENMESHDLLEXPORT _PLYWriter_& PLYWriter();
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//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================