vtkMRMLTransformableNode.h

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/*=auto=========================================================================

  Portions (c) Copyright 2005 Brigham and Women's Hospital (BWH) All Rights Reserved.

  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.

  Program:   3D Slicer
  Module:    $RCSfile: vtkMRMLTransformableNode.h,v $
  Date:      $Date: 2006/03/19 17:12:29 $
  Version:   $Revision: 1.13 $

=========================================================================auto=*/

#ifndef __vtkMRMLTransformableNode_h
#define __vtkMRMLTransformableNode_h

// MRML includes
#include "vtkMRMLStorableNode.h"
#include "vtkVector.h"
class vtkMRMLTransformNode;

// VTK includes
class vtkAbstractTransform;
class vtkMatrix4x4;

class VTK_MRML_EXPORT vtkMRMLTransformableNode : public vtkMRMLStorableNode
{
public:
  vtkTypeMacro(vtkMRMLTransformableNode,vtkMRMLStorableNode);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkMRMLNode* CreateNodeInstance() override = 0;

  void ReadXMLAttributes( const char** atts) override;

  void WriteXML(ostream& of, int indent) override;

  const char* GetNodeTagName() override = 0;

  bool SetAndObserveTransformNodeID(const char *transformNodeID);

  vtkMRMLTransformNode* GetParentTransformNode();

  void ProcessMRMLEvents ( vtkObject * /*caller*/,
                                  unsigned long /*event*/,
                                  void * /*callData*/ ) override;

  enum
    {
      TransformModifiedEvent = 15000
    };

  virtual bool CanApplyNonLinearTransforms()const;

  virtual void ApplyTransformMatrix(vtkMatrix4x4* transformMatrix);

  virtual void ApplyTransform(vtkAbstractTransform* transform);

  virtual void TransformPointToWorld(const double inLocal[3], double outWorld[3]);

  virtual void TransformPointToWorld(const vtkVector3d &inLocal, vtkVector3d &outWorld);

  virtual void TransformPointFromWorld(const double inWorld[3], double outLocal[3]);

  virtual void TransformPointFromWorld(const vtkVector3d &inWorld, vtkVector3d &outLocal);

  const char *GetTransformNodeID();

  bool HardenTransform();

protected:
  vtkMRMLTransformableNode();
  ~vtkMRMLTransformableNode() override;
  vtkMRMLTransformableNode(const vtkMRMLTransformableNode&);
  void operator=(const vtkMRMLTransformableNode&);

  static const char* TransformNodeReferenceRole;
  static const char* TransformNodeReferenceMRMLAttributeName;

  virtual const char* GetTransformNodeReferenceRole();
  virtual const char* GetTransformNodeReferenceMRMLAttributeName();

  void OnNodeReferenceAdded(vtkMRMLNodeReference *reference) override;

  void OnNodeReferenceModified(vtkMRMLNodeReference *reference) override;

  void OnNodeReferenceRemoved(vtkMRMLNodeReference *reference) override;

  virtual void OnTransformNodeReferenceChanged(vtkMRMLTransformNode* transformNode);

private:
  char* TransformNodeIDInternal;
  vtkSetStringMacro(TransformNodeIDInternal);
  vtkGetStringMacro(TransformNodeIDInternal);

};

#endif