vtkMRMLSliceIntersectionRepresentation2D.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMRMLSliceIntersectionRepresentation2D.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or https://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 vtkMRMLSliceIntersectionRepresentation2D_h
#define vtkMRMLSliceIntersectionRepresentation2D_h
 
#include "vtkMRMLDisplayableManagerExport.h" // For export macro
#include "vtkMRMLAbstractWidgetRepresentation.h"
 
#include "vtkMRMLSliceNode.h"
 
class vtkMRMLApplicationLogic;
class vtkMRMLModelDisplayNode;
class vtkMRMLSliceLogic;
 
class vtkProperty2D;
class vtkActor2D;
class vtkPolyDataMapper2D;
class vtkPolyData;
class vtkPoints;
class vtkCellArray;
class vtkTextProperty;
class vtkLeaderActor2D;
class vtkTextMapper;
class vtkTransform;
class vtkActor2D;
 
class SliceIntersectionDisplayPipeline;
 
class VTK_MRML_DISPLAYABLEMANAGER_EXPORT vtkMRMLSliceIntersectionRepresentation2D : public vtkMRMLAbstractWidgetRepresentation
{
public:
  static vtkMRMLSliceIntersectionRepresentation2D* New();


  vtkTypeMacro(vtkMRMLSliceIntersectionRepresentation2D, vtkMRMLAbstractWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void SetViewNode(vtkMRMLAbstractViewNode* viewNode) override;
  vtkMRMLSliceNode* GetSliceNode();
 
  void AddIntersectingSliceLogic(vtkMRMLSliceLogic* sliceLogic);
  void RemoveIntersectingSliceNode(vtkMRMLSliceNode* sliceNode);
  void UpdateIntersectingSliceNodes();
  void RemoveAllIntersectingSliceNodes();


  void GetActors2D(vtkPropCollection*) override;
  void ReleaseGraphicsResources(vtkWindow*) override;
  int RenderOverlay(vtkViewport* viewport) override;
 
  void SetMRMLApplicationLogic(vtkMRMLApplicationLogic*);
  vtkGetObjectMacro(MRMLApplicationLogic, vtkMRMLApplicationLogic);
 
  double* GetSliceIntersectionPoint() VTK_SIZEHINT(3);
 
  void TransformIntersectingSlices(vtkMatrix4x4* rotatedSliceToSliceTransformMatrix);
 
protected:
  vtkMRMLSliceIntersectionRepresentation2D();
  ~vtkMRMLSliceIntersectionRepresentation2D() override;
 
  SliceIntersectionDisplayPipeline* GetDisplayPipelineFromSliceLogic(vtkMRMLSliceLogic* sliceLogic);
 
  static void SliceNodeModifiedCallback(vtkObject* caller, unsigned long eid, void* clientData, void* callData);
  void SliceNodeModified(vtkMRMLSliceNode* sliceNode);
  void SliceModelDisplayNodeModified(vtkMRMLModelDisplayNode* sliceNode);
 
  void UpdateSliceIntersectionDisplay(SliceIntersectionDisplayPipeline* pipeline);
 
  double GetSliceRotationAngleRad(int eventPos[2]);
 
  // The internal transformation matrix
  vtkTransform* CurrentTransform;
  vtkTransform* TotalTransform;
  double Origin[4];             // the current origin in world coordinates
  double DisplayOrigin[3];      // the current origin in display coordinates
  double CurrentTranslation[3]; // translation this movement
  double StartWorldPosition[4]; // Start event position converted to world
 
  // Support picking
  double LastEventPosition[2];
 
  // Slice intersection point in XY
  double SliceIntersectionPoint[4];
 
  vtkMRMLApplicationLogic* MRMLApplicationLogic;
 
  class vtkInternal;
  vtkInternal* Internal;
 
private:
  vtkMRMLSliceIntersectionRepresentation2D(const vtkMRMLSliceIntersectionRepresentation2D&) = delete;
  void operator=(const vtkMRMLSliceIntersectionRepresentation2D&) = delete;
};
 
#endif