vtkCompressCompositer.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkCompressCompositer.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkCompressCompositer_h
#define vtkCompressCompositer_h

#include "vtkRenderingParallelModule.h" // For export macro
#include "vtkCompositer.h"

class vtkTimerLog;
class vtkDataArray;
class vtkFloatArray;

class VTKRENDERINGPARALLEL_EXPORT vtkCompressCompositer : public vtkCompositer
{
public:
  static vtkCompressCompositer *New();
  vtkTypeMacro(vtkCompressCompositer,vtkCompositer);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void CompositeBuffer(vtkDataArray *pBuf, vtkFloatArray *zBuf,
                               vtkDataArray *pTmp, vtkFloatArray *zTmp);

  static void Compress(vtkFloatArray *zIn, vtkDataArray *pIn,
                       vtkFloatArray *zOut, vtkDataArray *pOut);

  static void Uncompress(vtkFloatArray *zIn, vtkDataArray *pIn,
                         vtkFloatArray *zOut, vtkDataArray *pOut,
                         int finalLength);

  static void CompositeImagePair(vtkFloatArray *localZ, vtkDataArray *localP,
                                 vtkFloatArray *remoteZ, vtkDataArray *remoteP,
                                 vtkFloatArray *outZ, vtkDataArray *outP);
protected:
  vtkCompressCompositer();
  ~vtkCompressCompositer();


  vtkDataArray *InternalPData;
  vtkFloatArray *InternalZData;

  vtkTimerLog *Timer;

private:
  vtkCompressCompositer(const vtkCompressCompositer&) VTK_DELETE_FUNCTION;
  void operator=(const vtkCompressCompositer&) VTK_DELETE_FUNCTION;
};

#endif