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

  Program:   Visualization Toolkit
  Module:    vtkVolumeProperty.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 vtkVolumeProperty_h
#define vtkVolumeProperty_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkObject.h"

class vtkPiecewiseFunction;
class vtkTimeStamp;
class vtkColorTransferFunction;

class VTKRENDERINGCORE_EXPORT vtkVolumeProperty : public vtkObject
{
public:
  static vtkVolumeProperty *New();
  vtkTypeMacro(vtkVolumeProperty, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  void DeepCopy(vtkVolumeProperty *p);

  unsigned long GetMTime();


  vtkSetClampMacro(IndependentComponents, int, 0, 1);
  vtkGetMacro(IndependentComponents, int);
  vtkBooleanMacro(IndependentComponents, int);


  vtkSetClampMacro(InterpolationType, int,
    VTK_NEAREST_INTERPOLATION, VTK_LINEAR_INTERPOLATION);
  vtkGetMacro(InterpolationType, int);
  void SetInterpolationTypeToNearest()
    { this->SetInterpolationType(VTK_NEAREST_INTERPOLATION); }
  void SetInterpolationTypeToLinear()
    { this->SetInterpolationType(VTK_LINEAR_INTERPOLATION); }
  const char *GetInterpolationTypeAsString(void);


  virtual void SetComponentWeight(int index, double value);
  virtual double GetComponentWeight(int index);


  void SetColor(int index, vtkPiecewiseFunction *function);
  void SetColor(vtkPiecewiseFunction *function)
    { this->SetColor(0, function); }


  void SetColor(int index, vtkColorTransferFunction *function);
  void SetColor(vtkColorTransferFunction *function)
    { this->SetColor(0, function); }


  int GetColorChannels(int index);
  int GetColorChannels()
    { return this->GetColorChannels(0); }


  vtkPiecewiseFunction *GetGrayTransferFunction(int index);
  vtkPiecewiseFunction *GetGrayTransferFunction()
    { return this->GetGrayTransferFunction(0); }


  vtkColorTransferFunction *GetRGBTransferFunction(int index);
  vtkColorTransferFunction *GetRGBTransferFunction()
    { return this->GetRGBTransferFunction(0); }


  void SetScalarOpacity(int index, vtkPiecewiseFunction *function);
  void SetScalarOpacity(vtkPiecewiseFunction *function)
    { this->SetScalarOpacity(0, function); }


  vtkPiecewiseFunction *GetScalarOpacity(int index);
  vtkPiecewiseFunction *GetScalarOpacity()
    { return this->GetScalarOpacity(0); }


  void SetScalarOpacityUnitDistance(int index, double distance);
  void SetScalarOpacityUnitDistance(double distance)
    { this->SetScalarOpacityUnitDistance(0, distance); }
  double GetScalarOpacityUnitDistance(int index);
  double GetScalarOpacityUnitDistance()
    { return this->GetScalarOpacityUnitDistance(0); }



  void SetGradientOpacity(int index, vtkPiecewiseFunction *function);
  void SetGradientOpacity(vtkPiecewiseFunction *function)
    { this->SetGradientOpacity(0, function); }


  vtkPiecewiseFunction *GetGradientOpacity(int index);
  vtkPiecewiseFunction *GetGradientOpacity()
    { return this->GetGradientOpacity(0); }


  virtual void SetDisableGradientOpacity(int index, int value);
  virtual void SetDisableGradientOpacity(int value)
    { this->SetDisableGradientOpacity(0, value); }
  virtual void DisableGradientOpacityOn(int index )
    { this->SetDisableGradientOpacity(index, 1); }
  virtual void DisableGradientOpacityOn()
    { this->DisableGradientOpacityOn(0); }
  virtual void DisableGradientOpacityOff(int index)
    { this->SetDisableGradientOpacity(index, 0); }
  virtual void DisableGradientOpacityOff()
    { this->DisableGradientOpacityOff(0); }
  virtual int GetDisableGradientOpacity(int index);
  virtual int GetDisableGradientOpacity()
    { return this->GetDisableGradientOpacity(0); }
  vtkPiecewiseFunction *GetStoredGradientOpacity(int index);
  vtkPiecewiseFunction *GetStoredGradientOpacity()
    { return this->GetStoredGradientOpacity(0); }


  bool HasGradientOpacity(int index=0) {
    return (this->GradientOpacity[index] != NULL);
  }


  void SetShade(int index, int value);
  void SetShade(int value)
    { this->SetShade(0,value); }
  int GetShade(int index);
  int GetShade()
    { return this->GetShade(0); }
  void ShadeOn(int index);
  void ShadeOn()
    { this->ShadeOn(0); }
  void ShadeOff(int index);
  void ShadeOff()
    { this->ShadeOff(0); }


  void SetAmbient(int index, double value);
  void SetAmbient(double value)
    { this->SetAmbient(0, value); }
  double GetAmbient(int index);
  double GetAmbient()
    { return this->GetAmbient(0); }


  void SetDiffuse(int index, double value);
  void SetDiffuse(double value)
    { this->SetDiffuse(0, value); }
  double GetDiffuse(int index);
  double GetDiffuse()
    { return this->GetDiffuse(0); }


  void SetSpecular(int index, double value);
  void SetSpecular(double value)
    { this->SetSpecular(0, value); }
  double GetSpecular(int index);
  double GetSpecular()
    { return this->GetSpecular(0); }


  void SetSpecularPower(int index, double value);
  void SetSpecularPower(double value)
    { this->SetSpecularPower(0, value); }
  double GetSpecularPower(int index);
  double GetSpecularPower()
    { return this->GetSpecularPower(0); }

  //BTX
  void UpdateMTimes();


  vtkTimeStamp GetGradientOpacityMTime(int index);
  vtkTimeStamp GetGradientOpacityMTime()
    { return this->GetGradientOpacityMTime(0); }


  vtkTimeStamp GetScalarOpacityMTime(int index);
  vtkTimeStamp GetScalarOpacityMTime()
    { return this->GetScalarOpacityMTime(0); }


  vtkTimeStamp GetRGBTransferFunctionMTime(int index);
  vtkTimeStamp GetRGBTransferFunctionMTime()
    { return this->GetRGBTransferFunctionMTime(0); }


  vtkTimeStamp GetGrayTransferFunctionMTime(int index);
  vtkTimeStamp GetGrayTransferFunctionMTime()
    { return this->GetGrayTransferFunctionMTime(0); }
  //ETX

protected:
  vtkVolumeProperty();
  ~vtkVolumeProperty();

  int IndependentComponents;
  double ComponentWeight[VTK_MAX_VRCOMP];

  int InterpolationType;

  int ColorChannels[VTK_MAX_VRCOMP];

  vtkPiecewiseFunction *GrayTransferFunction[VTK_MAX_VRCOMP];
  vtkTimeStamp GrayTransferFunctionMTime[VTK_MAX_VRCOMP];

  vtkColorTransferFunction *RGBTransferFunction[VTK_MAX_VRCOMP];
  vtkTimeStamp RGBTransferFunctionMTime[VTK_MAX_VRCOMP];

  vtkPiecewiseFunction *ScalarOpacity[VTK_MAX_VRCOMP];
  vtkTimeStamp ScalarOpacityMTime[VTK_MAX_VRCOMP];
  double ScalarOpacityUnitDistance[VTK_MAX_VRCOMP];

  vtkPiecewiseFunction *GradientOpacity[VTK_MAX_VRCOMP];
  vtkTimeStamp GradientOpacityMTime[VTK_MAX_VRCOMP];
  vtkPiecewiseFunction *DefaultGradientOpacity[VTK_MAX_VRCOMP];
  int DisableGradientOpacity[VTK_MAX_VRCOMP];

  int Shade[VTK_MAX_VRCOMP];
  double Ambient[VTK_MAX_VRCOMP];
  double Diffuse[VTK_MAX_VRCOMP];
  double Specular[VTK_MAX_VRCOMP];
  double SpecularPower[VTK_MAX_VRCOMP];

  virtual void CreateDefaultGradientOpacity(int index);

private:
  vtkVolumeProperty(const vtkVolumeProperty&);  // Not implemented.
  void operator=(const vtkVolumeProperty&);  // Not implemented.
};


inline const char *vtkVolumeProperty::GetInterpolationTypeAsString(void)
{
  if (this->InterpolationType == VTK_NEAREST_INTERPOLATION)
    {
    return "Nearest Neighbor";
    }
  if (this->InterpolationType == VTK_LINEAR_INTERPOLATION)
    {
    return "Linear";
    }
  return "Unknown";
}

#endif