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

  Program:   ParaView
  Module:    vtkPVMultiSliceView.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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.

=========================================================================*/
// .NAME vtkPVMultiSliceView
// .SECTION Description
// vtkPVMultiSliceView extends vtkPVRenderView but add meta-data informations
// used by SliceRepresentation as a data model.

#ifndef vtkPVMultiSliceView_h
#define vtkPVMultiSliceView_h

#include "vtkPVClientServerCoreRenderingModule.h" //needed for exports
#include "vtkPVRenderView.h"
#include "vtkNew.h" // needed for vtkNew
#include <vector> // needed for std::vector

class vtkClientServerStream;
class vtkMatrix4x4;

class VTKPVCLIENTSERVERCORERENDERING_EXPORT vtkPVMultiSliceView : public vtkPVRenderView
{
public:
  static vtkPVMultiSliceView* New();
  vtkTypeMacro(vtkPVMultiSliceView, vtkPVRenderView);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void Update();

  // Description:
  void SetNumberOfXSlices(unsigned int count) { this->SetNumberOfSlices(0, count); }
  void SetXSlices(const double* values) { this->SetSlices(0, values); }
  void SetNumberOfYSlices(unsigned int count) { this->SetNumberOfSlices(1, count); }
  void SetYSlices(const double* values) { this->SetSlices(1, values); }
  void SetNumberOfZSlices(unsigned int count) { this->SetNumberOfSlices(2, count); }
  void SetZSlices(const double* values) { this->SetSlices(2, values); }

  const std::vector<double>& GetSlices(int axis) const;
  const std::vector<double>& GetXSlices() const { return this->GetSlices(0); }
  const std::vector<double>& GetYSlices() const { return this->GetSlices(1); }
  const std::vector<double>& GetZSlices() const { return this->GetSlices(2); }

  void GetDataBounds(double bounds[6]) const;

  // These return NULL when no overrides were specified.
  const char* GetXAxisLabel() const { return this->GetAxisLabel(0); }
  const char* GetYAxisLabel() const { return this->GetAxisLabel(1); }
  const char* GetZAxisLabel() const { return this->GetAxisLabel(2); }

  const vtkClientServerStream& GetAxisLabels() const;

  // Convenience methods used by representations to pass information to the view
  // in vtkPVView::REQUEST_UPDATE() pass. SetAxisTitle can be used to tell the
  // view if the representation's data has information about titles to use for
  // each of the axis. SetDataBounds can be used to tell the view the raw data
  // bounds which are to be use when showing the slice-sliders.
  static void SetAxisTitle(vtkInformation* info, int axis, const char* title);
  static void SetDataBounds(vtkInformation* info, const double bounds[6]);

  void SetModelTransformationMatrix(vtkMatrix4x4*);

//BTX
protected:
  vtkPVMultiSliceView();
  ~vtkPVMultiSliceView();

  virtual void AboutToRenderOnLocalProcess(bool interactive);

  void SetNumberOfSlices(int type, unsigned int count);
  void SetSlices(int type, const double* values);
  const char* GetAxisLabel(int axis) const;
  vtkNew<vtkMatrix4x4> ModelTransformationMatrix;

  vtkTimeStamp ModelTransformationMatrixUpdateTime;

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

  class vtkSliceInternal;
  vtkSliceInternal* Internal;
//ETX
};

#endif