vtkMRMLTransformNode.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: vtkMRMLTransformNode.h,v $
  Date:      $Date: 2006/03/19 17:12:29 $
  Version:   $Revision: 1.13 $

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

#ifndef __vtkMRMLTransformNode_h
#define __vtkMRMLTransformNode_h

#include "vtkMRMLDisplayableNode.h"

class vtkCollection;
class vtkAbstractTransform;
class vtkGeneralTransform;
class vtkMatrix4x4;
class vtkTransform;

class VTK_MRML_EXPORT vtkMRMLTransformNode : public vtkMRMLDisplayableNode
{
public:
  static vtkMRMLTransformNode *New();
  vtkTypeMacro(vtkMRMLTransformNode,vtkMRMLDisplayableNode);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;

  virtual vtkMRMLNode* CreateNodeInstance() VTK_OVERRIDE;

  virtual void ReadXMLAttributes( const char** atts) VTK_OVERRIDE;

  virtual void WriteXML(ostream& of, int indent) VTK_OVERRIDE;

  virtual void Copy(vtkMRMLNode *node) VTK_OVERRIDE;

  virtual const char* GetNodeTagName() VTK_OVERRIDE {return "Transform";};

  virtual void UpdateScene(vtkMRMLScene *scene) VTK_OVERRIDE
    {
     Superclass::UpdateScene(scene);
    };

  virtual int IsLinear();

  virtual int IsComposite();

  virtual vtkAbstractTransform* GetTransformToParent();

  virtual int GetMatrixTransformToParent(vtkMatrix4x4* matrix);

  virtual int GetMatrixTransformFromParent(vtkMatrix4x4* matrix);

  virtual vtkMatrix4x4* GetMatrixTransformToParent();

  virtual vtkMatrix4x4* GetMatrixTransformFromParent();

  virtual const char* GetTransformToParentInfo();

  virtual vtkAbstractTransform* GetTransformFromParent();

  virtual const char* GetTransformFromParentInfo();

  int  IsTransformToWorldLinear();

  int  IsTransformToNodeLinear(vtkMRMLTransformNode* node);

  void GetTransformToWorld(vtkGeneralTransform* transformToWorld);

  void GetTransformFromWorld(vtkGeneralTransform* transformToWorld);

  void GetTransformToNode(vtkMRMLTransformNode* node,
                          vtkGeneralTransform* transformToNode);

  void GetTransformFromNode(vtkMRMLTransformNode* node,
                          vtkGeneralTransform* transformFromNode);

  static void GetTransformBetweenNodes(vtkMRMLTransformNode* sourceNode,
    vtkMRMLTransformNode* targetNode, vtkGeneralTransform* transformSourceToTarget);

  virtual int GetMatrixTransformToWorld(vtkMatrix4x4* transformToWorld);

  virtual int GetMatrixTransformFromWorld(vtkMatrix4x4* transformFromWorld);

  virtual int GetMatrixTransformToNode(vtkMRMLTransformNode* node,
                                       vtkMatrix4x4* transformToNode);

  virtual int GetMatrixTransformFromNode(vtkMRMLTransformNode* node,
                                       vtkMatrix4x4* transformFromNode);

  static int GetMatrixTransformBetweenNodes(vtkMRMLTransformNode* sourceNode,
    vtkMRMLTransformNode* targetNode, vtkMatrix4x4* transformSourceToTarget);

  int IsTransformNodeMyParent(vtkMRMLTransformNode* node);

  int IsTransformNodeMyChild(vtkMRMLTransformNode* node);

  vtkMRMLTransformNode* GetFirstCommonParent(vtkMRMLTransformNode* targetNode);

  virtual int SetMatrixTransformToParent(vtkMatrix4x4 *matrix);

  virtual int SetMatrixTransformFromParent(vtkMatrix4x4 *matrix);

  virtual void ApplyTransformMatrix(vtkMatrix4x4* transformMatrix) VTK_OVERRIDE;

  virtual int SetAndObserveMatrixTransformToParent(vtkMatrix4x4 *matrix);

  virtual int SetAndObserveMatrixTransformFromParent(vtkMatrix4x4 *matrix);

  virtual bool CanApplyNonLinearTransforms()const VTK_OVERRIDE;
  virtual void ApplyTransform(vtkAbstractTransform* transform) VTK_OVERRIDE;

  virtual int Split();

  virtual vtkMRMLStorageNode* CreateDefaultStorageNode() VTK_OVERRIDE;

  virtual void CreateDefaultDisplayNodes() VTK_OVERRIDE;

  vtkGetMacro(ReadAsTransformToParent, int);
  vtkSetMacro(ReadAsTransformToParent, int);
  vtkBooleanMacro(ReadAsTransformToParent, int);

  virtual void TransformModified()
    {
    this->InvokeCustomModifiedEvent(vtkMRMLTransformableNode::TransformModifiedEvent);
    }

  virtual bool GetModifiedSinceRead() VTK_OVERRIDE;

  vtkAbstractTransform* GetTransformToParentAs(const char* transformType, bool logErrorIfFails = true, bool modifiableOnly = false);

  vtkAbstractTransform* GetTransformFromParentAs(const char* transformType, bool logErrorIfFails = true, bool modifiableOnly = false);

  void SetAndObserveTransformToParent(vtkAbstractTransform *transform);

  void SetAndObserveTransformFromParent(vtkAbstractTransform *transform);

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

  static void FlattenGeneralTransform(vtkCollection* outputTransformList, vtkAbstractTransform* inputTransform);

  static bool AreTransformsEqual(vtkAbstractTransform* transform1, vtkAbstractTransform* transform2);

  static bool IsGeneralTransformLinear(vtkAbstractTransform* inputTransform, vtkTransform* concatenatedLinearTransform=NULL);

  static bool IsAbstractTransformComputedFromInverse(vtkAbstractTransform* abstractTransform);

  static int DeepCopyTransform(vtkAbstractTransform* dst, vtkAbstractTransform* src);

  void Inverse();

  vtkMTimeType GetTransformToWorldMTime();

  const char* GetTransformInfo(vtkAbstractTransform* inputTransform);

protected:
  vtkMRMLTransformNode();
  ~vtkMRMLTransformNode();
  vtkMRMLTransformNode(const vtkMRMLTransformNode&);
  void operator=(const vtkMRMLTransformNode&);

  virtual vtkAbstractTransform* GetAbstractTransformAs(vtkAbstractTransform* inputTransform, const char* transformClassName, bool logErrorIfFails);

  virtual void SetAndObserveTransform(vtkAbstractTransform** originalTransformPtr, vtkAbstractTransform** inverseTransformPtr, vtkAbstractTransform *transform);

  vtkAbstractTransform* TransformToParent;
  vtkAbstractTransform* TransformFromParent;

  int ReadAsTransformToParent;

  // Temporary buffers used for returning transform info as char*
  std::string TransformInfo;

  vtkMatrix4x4* CachedMatrixTransformToParent;
  vtkMatrix4x4* CachedMatrixTransformFromParent;
};

#endif