vtkImageMapToColors.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkImageMapToColors_h
#define vtkImageMapToColors_h

#include "vtkImagingCoreModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"

VTK_ABI_NAMESPACE_BEGIN
class vtkScalarsToColors;

class VTKIMAGINGCORE_EXPORT VTK_MARSHALAUTO vtkImageMapToColors : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageMapToColors* New();
  vtkTypeMacro(vtkImageMapToColors, vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  virtual void SetLookupTable(vtkScalarsToColors*);
  vtkGetObjectMacro(LookupTable, vtkScalarsToColors);


  vtkSetMacro(OutputFormat, int);
  vtkGetMacro(OutputFormat, int);
  void SetOutputFormatToRGBA() { this->OutputFormat = VTK_RGBA; }
  void SetOutputFormatToRGB() { this->OutputFormat = VTK_RGB; }
  void SetOutputFormatToLuminanceAlpha() { this->OutputFormat = VTK_LUMINANCE_ALPHA; }
  void SetOutputFormatToLuminance() { this->OutputFormat = VTK_LUMINANCE; }


  vtkSetMacro(ActiveComponent, int);
  vtkGetMacro(ActiveComponent, int);


  vtkSetMacro(PassAlphaToOutput, vtkTypeBool);
  vtkBooleanMacro(PassAlphaToOutput, vtkTypeBool);
  vtkGetMacro(PassAlphaToOutput, vtkTypeBool);

  vtkMTimeType GetMTime() override;


  vtkSetVector4Macro(NaNColor, unsigned char);
  vtkGetVector4Macro(NaNColor, unsigned char);

protected:
  vtkImageMapToColors();
  ~vtkImageMapToColors() override;

  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  void ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData,
    VTK_FUTURE_CONST int outExt[6], int id) override;

  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  vtkScalarsToColors* LookupTable;
  int OutputFormat;

  int ActiveComponent;
  vtkTypeBool PassAlphaToOutput;

  int DataWasPassed;

  unsigned char NaNColor[4];

private:
  vtkImageMapToColors(const vtkImageMapToColors&) = delete;
  void operator=(const vtkImageMapToColors&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif