vtkCompressCompositer.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkCompressCompositer_h
#define vtkCompressCompositer_h
 
#include "vtkCompositer.h"
#include "vtkRenderingParallelModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
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) override;
 
  void CompositeBuffer(
    vtkDataArray* pBuf, vtkFloatArray* zBuf, vtkDataArray* pTmp, vtkFloatArray* zTmp) override;
 
  static void Compress(
    vtkFloatArray* zIn, vtkDataArray* pIn, vtkFloatArray* zOut, vtkDataArray* pOut);
 
  static void Uncompress(
    vtkFloatArray* zIn, vtkDataArray* pIn, vtkFloatArray* zOut, vtkDataArray* pOut, int lengthOut);
 
  static void CompositeImagePair(vtkFloatArray* localZ, vtkDataArray* localP,
    vtkFloatArray* remoteZ, vtkDataArray* remoteP, vtkFloatArray* outZ, vtkDataArray* outP);
 
protected:
  vtkCompressCompositer();
  ~vtkCompressCompositer() override;
 
  vtkDataArray* InternalPData;
  vtkFloatArray* InternalZData;
 
  vtkTimerLog* Timer;
 
private:
  vtkCompressCompositer(const vtkCompressCompositer&) = delete;
  void operator=(const vtkCompressCompositer&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif