vtkImageSliceRepresentation.h

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

  Program:   ParaView
  Module:    vtkImageSliceRepresentation.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.

=========================================================================*/
#ifndef vtkImageSliceRepresentation_h
#define vtkImageSliceRepresentation_h

#include "vtkNew.h" // for vtkNew.
#include "vtkPVDataRepresentation.h"
#include "vtkRemotingViewsModule.h" //needed for exports
#include "vtkStructuredData.h"      // for VTK_*_PLANE

class vtkImageData;
class vtkPVImageSliceMapper;
class vtkPVLODActor;
class vtkScalarsToColors;

class VTKREMOTINGVIEWS_EXPORT vtkImageSliceRepresentation : public vtkPVDataRepresentation
{
public:
  static vtkImageSliceRepresentation* New();
  vtkTypeMacro(vtkImageSliceRepresentation, vtkPVDataRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetInputArrayToProcess(
    int idx, int port, int connection, int fieldAssociation, const char* name) override;
  void SetInputArrayToProcess(
    int idx, int port, int connection, int fieldAssociation, int fieldAttributeType) override
  {
    this->Superclass::SetInputArrayToProcess(
      idx, port, connection, fieldAssociation, fieldAttributeType);
  }
  void SetInputArrayToProcess(int idx, vtkInformation* info) override
  {
    this->Superclass::SetInputArrayToProcess(idx, info);
  }
  void SetInputArrayToProcess(int idx, int port, int connection, const char* fieldAssociation,
    const char* attributeTypeorName) override
  {
    this->Superclass::SetInputArrayToProcess(
      idx, port, connection, fieldAssociation, attributeTypeorName);
  }

  int ProcessViewRequest(vtkInformationRequestKey* request_type, vtkInformation* inInfo,
    vtkInformation* outInfo) override;

  void SetVisibility(bool val) override;


  virtual void SetSlice(unsigned int);
  vtkGetMacro(Slice, unsigned int);

  enum
  {
    XY_PLANE = VTK_XY_PLANE,
    YZ_PLANE = VTK_YZ_PLANE,
    XZ_PLANE = VTK_XZ_PLANE
  };


  virtual void SetSliceMode(int);
  vtkGetMacro(SliceMode, int);

  //---------------------------------------------------------------------------
  // Forwarded to Actor.
  void SetOrientation(double, double, double);
  void SetOrigin(double, double, double);
  void SetPickable(int val);
  void SetPosition(double, double, double);
  void SetScale(double, double, double);

  //---------------------------------------------------------------------------
  // Forwarded to vtkProperty.
  void SetOpacity(double val);

  //---------------------------------------------------------------------------
  // Forwarded to vtkPVImageSliceMapper.
  void SetLookupTable(vtkScalarsToColors* val);
  void SetMapScalars(int val);
  void SetUseXYPlane(int val);

  vtkPVLODActor* GetActor() { return this->Actor; }

protected:
  vtkImageSliceRepresentation();
  ~vtkImageSliceRepresentation() override;

  void UpdateSliceData(vtkInformationVector**);

  int FillInputPortInformation(int port, vtkInformation* info) override;

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

  bool AddToView(vtkView* view) override;

  bool RemoveFromView(vtkView* view) override;

  int SliceMode;
  unsigned int Slice;

  vtkPVImageSliceMapper* SliceMapper;
  vtkPVLODActor* Actor;
  vtkNew<vtkImageData> SliceData;

  // meta-data about the input image to pass on to render view for hints
  // when redistributing data.
  double WholeBounds[6];

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

#endif