vtkZlibImageCompressor.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkZlibImageCompressor_h
#define vtkZlibImageCompressor_h
 
#include "vtkImageCompressor.h"
#include "vtkPVVTKExtensionsFiltersRenderingModule.h" // needed for export macro
 
class vtkZlibCompressorImageConditioner;
class vtkMultiProcessStream;
 
class VTKPVVTKEXTENSIONSFILTERSRENDERING_EXPORT vtkZlibImageCompressor : public vtkImageCompressor
{
public:
  static vtkZlibImageCompressor* New();
  vtkTypeMacro(vtkZlibImageCompressor, vtkImageCompressor);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  int Compress() override;
  int Decompress() override;
 
 
  void SaveConfiguration(vtkMultiProcessStream* stream) override;
  bool RestoreConfiguration(vtkMultiProcessStream* stream) override;
 
  const char* SaveConfiguration() override;
  const char* RestoreConfiguration(const char* stream) override;
 
 
  vtkSetClampMacro(CompressionLevel, int, 1, 9);
  vtkGetMacro(CompressionLevel, int);
 
 
  void SetColorSpace(int csId);
  int GetColorSpace();
 
 
  void SetStripAlpha(int status);
  int GetStripAlpha();
 
  void SetLossLessMode(int mode) override;
 
protected:
  vtkZlibImageCompressor();
  ~vtkZlibImageCompressor() override;
 
private:
  vtkZlibCompressorImageConditioner* Conditioner; // manages color space reduction and strip alpha
  int CompressionLevel;                           // zlib compression level
 
  vtkZlibImageCompressor(const vtkZlibImageCompressor&) = delete;
  void operator=(const vtkZlibImageCompressor&) = delete;
};
 
#endif