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

  Program:   Visualization Toolkit
  Module:    vtkImageSliceMapper.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 vtkImageSliceMapper_h
#define vtkImageSliceMapper_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkImageMapper3D.h"

class vtkCamera;
class vtkPoints;

class VTKRENDERINGCORE_EXPORT vtkImageSliceMapper : public vtkImageMapper3D
{
public:
  static vtkImageSliceMapper *New();
  vtkTypeMacro(vtkImageSliceMapper,vtkImageMapper3D);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetSliceNumber(int slice);
  virtual int GetSliceNumber();


  virtual int GetSliceNumberMinValue();
  virtual int GetSliceNumberMaxValue();


  vtkSetClampMacro(Orientation, int, 0, 2);
  vtkGetMacro(Orientation, int);
  void SetOrientationToX() { this->SetOrientation(0); }
  void SetOrientationToY() { this->SetOrientation(1); }
  void SetOrientationToZ() { this->SetOrientation(2); }


  vtkSetMacro(Cropping, int);
  vtkBooleanMacro(Cropping, int);
  vtkGetMacro(Cropping, int);


  vtkSetVector6Macro(CroppingRegion, int);
  vtkGetVector6Macro(CroppingRegion, int);


  virtual void Update();
  virtual void Update(int port);

  virtual void Render(vtkRenderer *renderer, vtkImageSlice *prop);

  virtual void ReleaseGraphicsResources(vtkWindow *);

  unsigned long GetMTime();


  double *GetBounds();
  void GetBounds(double bounds[6]) {
    this->vtkAbstractMapper3D::GetBounds(bounds); };


  virtual void GetSlicePlaneInDataCoords(vtkMatrix4x4 *propMatrix,
                                         double plane[4]);


  virtual int ProcessRequest(vtkInformation* request,
                             vtkInformationVector** inInfo,
                             vtkInformationVector* outInfo);

protected:
  vtkImageSliceMapper();
  ~vtkImageSliceMapper();


  void SetPoints(vtkPoints *points);
  vtkPoints *GetPoints() { return this->Points; }


  void SetExactPixelMatch(int v) {
    this->ExactPixelMatch = (v != 0); }


  void SetPassColorData(int v) {
    this->PassColorData = (v != 0); }


  void SetDisplayExtent(int extent[6]) {
    this->DisplayExtent[0] = extent[0];
    this->DisplayExtent[1] = extent[1];
    this->DisplayExtent[2] = extent[2];
    this->DisplayExtent[3] = extent[3];
    this->DisplayExtent[4] = extent[4];
    this->DisplayExtent[5] = extent[5]; }

  int GetOrientationFromCamera(vtkMatrix4x4 *propMatrix, vtkCamera *camera);

  int GetSliceFromCamera(vtkMatrix4x4 *propMatrix, vtkCamera *camera);

  static void GetDimensionIndices(int orientation, int &xdim, int &ydim);

  int SliceNumber;
  int SliceNumberMinValue;
  int SliceNumberMaxValue;
  int Orientation;
  int Cropping;
  int CroppingRegion[6];
  int DisplayExtent[6];
  int ExactPixelMatch;
  int PassColorData;
  vtkPoints *Points;
  vtkTimeStamp UpdateTime;

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

  friend class vtkImageResliceMapper;
};

#endif