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/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
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 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
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 * This file is part of OpenFlipper.                                         *
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\*===========================================================================*/

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


#ifndef DECIMATETHREAD_HH
#define DECIMATETHREAD_HH


#include <OpenMesh/Tools/Decimater/DecimaterT.hh>
#include <OpenMesh/Tools/Decimater/McDecimaterT.hh>
#include <OpenMesh/Tools/Decimater/MixedDecimaterT.hh>
#include <ObjectTypes/TriangleMesh/TriangleMesh.hh>

#include <QObject>
#include <OpenFlipper/threads/OpenFlipperThread.hh>

class DecimateThread : public OpenFlipperThread, public OpenMesh::Decimater::Observer
{
  Q_OBJECT
public:
  typedef OpenMesh::Decimater::BaseDecimaterT< TriMesh >              BaseDecimaterType;
  typedef OpenMesh::Decimater::DecimaterT< TriMesh >                  DecimaterType;
  typedef OpenMesh::Decimater::McDecimaterT< TriMesh >                McDecimaterType;
  typedef OpenMesh::Decimater::MixedDecimaterT< TriMesh >             MixedDecimaterType;

  struct Params
  {
    DecimaterType* dec;
    McDecimaterType* mcDec;
    MixedDecimaterType* mixedDec;
    bool useIncremental;
    bool useMC;
    bool useMixed;
    float mc_factor;
    int verticesCount; // -1 if not decimate to vertices
    int facesCount; // -1 if not decimate to faces
    int samples;
  };

private:

  bool abort_;
  int maxCollapses_;
  Params param_;
  QString jobId_;
  BaseDecimaterType* baseDec_;
  int objId_;

public:
  virtual void notify(size_t _step);
  virtual bool abort() const;

public slots:
  void decimate();

public:
  void cancel();
  DecimateThread(Params _param, QString _jobId, int _objId);
  ~DecimateThread();

  BaseDecimaterType* baseDecimater();

  int objectId() const;

};

#endif // DECIMATETHREAD_HH