vtkImageActor.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageActor.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 vtkImageActor_h
#define vtkImageActor_h

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

class vtkAlgorithm;
class vtkPropCollection;
class vtkRenderer;
class vtkImageData;


class VTKRENDERINGCORE_EXPORT vtkImageActor : public vtkImageSlice
{
public:
  vtkTypeMacro(vtkImageActor,vtkImageSlice);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkImageActor *New();


  virtual void SetInputData(vtkImageData *);
  virtual vtkImageData *GetInput();


  virtual void SetInterpolate(int);
  virtual int GetInterpolate();
  vtkBooleanMacro(Interpolate,int);


  virtual void SetOpacity(double);
  virtual double GetOpacity();
  double GetOpacityMinValue() { return 0.0; }
  double GetOpacityMaxValue() { return 1.0; }


  void SetDisplayExtent(int extent[6]);
  void SetDisplayExtent(int minX, int maxX, int minY, int maxY,
                        int minZ, int maxZ);
  void GetDisplayExtent(int extent[6]);
  int *GetDisplayExtent() {return this->DisplayExtent;}


  double *GetBounds();
  void GetBounds(double bounds[6]) { this->Superclass::GetBounds(bounds); };


  double *GetDisplayBounds();
  void GetDisplayBounds(double bounds[6]);


  int GetSliceNumber();
  int GetSliceNumberMax();
  int GetSliceNumberMin();


  void SetZSlice(int z) {this->SetDisplayExtent(
    this->DisplayExtent[0], this->DisplayExtent[1],
    this->DisplayExtent[2], this->DisplayExtent[3], z, z);
  };
  int GetZSlice() { return this->DisplayExtent[4];};
  int GetWholeZMin();
  int GetWholeZMax();

  virtual int HasTranslucentPolygonalGeometry();


  vtkGetMacro(ForceOpaque, bool);
  vtkSetMacro(ForceOpaque, bool);
  vtkBooleanMacro(ForceOpaque, bool);

protected:
  vtkImageActor();
  ~vtkImageActor();

  static int GetOrientationFromExtent(const int extent[6]);

  int           DisplayExtent[6];
  double        DisplayBounds[6];

  // Convenience function that returns the input of the mapper
  vtkAlgorithm *GetInputAlgorithm();

  // the result of HasTranslucentPolygonalGeometry is cached
  vtkTimeStamp TranslucentComputationTime;
  int TranslucentCachedResult;
  bool ForceOpaque;

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

#endif