vtkPVImageSliceMapper.h

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

  Program:   Visualization Toolkit
  Module:    vtkPVImageSliceMapper.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 vtkPVImageSliceMapper_h
#define vtkPVImageSliceMapper_h

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

class vtkImageData;
class vtkRenderer;

class vtkOpenGLTexture;
class vtkActor;
class vtkPainter;

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

  void Render(vtkRenderer* ren, vtkActor* act) override;

  void ReleaseGraphicsResources(vtkWindow*) override;


  void SetPainter(vtkPainter*);
  vtkGetObjectMacro(Painter, vtkPainter);


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


  vtkSetMacro(Slice, int);
  vtkGetMacro(Slice, int);

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


  vtkSetClampMacro(SliceMode, int, XY_PLANE, XZ_PLANE);
  vtkGetMacro(SliceMode, int);
  void SetSliceModeToYZPlane() { this->SetSliceMode(YZ_PLANE); }
  void SetSliceModeToXZPlane() { this->SetSliceMode(XZ_PLANE); }
  void SetSliceModeToXYPlane() { this->SetSliceMode(XY_PLANE); }


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

  void Update(int port) override;
  void Update() override { this->Superclass::Update(); }
  int Update(int port, vtkInformationVector* requests) override
  {
    return this->Superclass::Update(port, requests);
  }
  int Update(vtkInformation* requests) override { return this->Superclass::Update(requests); }


  vtkSetMacro(Piece, int);
  vtkGetMacro(Piece, int);
  vtkSetMacro(NumberOfPieces, int);
  vtkGetMacro(NumberOfPieces, int);
  vtkSetMacro(NumberOfSubPieces, int);
  vtkGetMacro(NumberOfSubPieces, int);


  vtkSetMacro(GhostLevel, int);
  vtkGetMacro(GhostLevel, int);


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

  void ShallowCopy(vtkAbstractMapper* m) override;

protected:
  vtkPVImageSliceMapper();
  ~vtkPVImageSliceMapper() override;

  // Tell the executive that we accept vtkImageData.
  int FillInputPortInformation(int, vtkInformation*) override;

  virtual void RenderPiece(vtkRenderer* ren, vtkActor* act);

  vtkOpenGLTexture* Texture;
  int SetupScalars(vtkImageData*);
  void RenderInternal(vtkRenderer* ren, vtkActor* act);
  vtkTimeStamp UpdateTime;
  vtkActor* PolyDataActor;

  vtkPainter* Painter;

  int Piece;
  int NumberOfSubPieces;
  int NumberOfPieces;
  int GhostLevel;

  int SliceMode;
  int Slice;
  int UseXYPlane;

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

#endif