vtkMRMLSegmentationStorageNode.h

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

  Copyright (c) Laboratory for Percutaneous Surgery (PerkLab)
  Queen's University, Kingston, ON, Canada. All Rights Reserved.

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

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

  This file was originally developed by Adam Rankin and Csaba Pinter, PerkLab, Queen's
  University and was supported through the Applied Cancer Research Unit program of Cancer
  Care Ontario with funds provided by the Ontario Ministry of Health and Long-Term Care

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

#ifndef __vtkMRMLSegmentationStorageNode_h
#define __vtkMRMLSegmentationStorageNode_h

// Temporarily keep support for reading nrrd files that are saved as 4D spatial image.
// The current way of writing volume is 3 spatial dimension and a list.
#define SUPPORT_4D_SPATIAL_NRRD

// MRML includes
#include "vtkMRMLStorageNode.h"

#ifdef SUPPORT_4D_SPATIAL_NRRD
  // ITK includes
  #include <itkImageRegionIteratorWithIndex.h>
#endif

class vtkMRMLSegmentationNode;
class vtkMatrix4x4;
class vtkPolyData;
class vtkOrientedImageData;
class vtkSegmentation;
class vtkMRMLSegmentationNode;
class vtkSegment;
class vtkInformationStringKey;
class vtkInformationIntegerVectorKey;

class VTK_MRML_EXPORT vtkMRMLSegmentationStorageNode : public vtkMRMLStorageNode
{
#ifdef SUPPORT_4D_SPATIAL_NRRD
  // Although internally binary labelmap representations can be of unsigned char, unsigned short
  // or short types, the output file is always unsigned char
  //TODO: This is a limitation for now
  typedef itk::Image<unsigned char, 4> BinaryLabelmap4DImageType;
  typedef itk::ImageRegionIteratorWithIndex<BinaryLabelmap4DImageType> BinaryLabelmap4DIteratorType;
#endif

public:
  static vtkMRMLSegmentationStorageNode *New();
  vtkTypeMacro(vtkMRMLSegmentationStorageNode, vtkMRMLStorageNode);
  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 "SegmentationStorage";}

  virtual const char* GetDefaultWriteFileExtension() VTK_OVERRIDE;

  virtual bool CanReadInReferenceNode(vtkMRMLNode *refNode) VTK_OVERRIDE;

  void ResetSupportedWriteFileTypes();

protected:
  virtual void InitializeSupportedReadFileTypes() VTK_OVERRIDE;

  virtual void InitializeSupportedWriteFileTypes() VTK_OVERRIDE;

  vtkMRMLSegmentationNode* GetAssociatedDataNode();

  virtual int WriteDataInternal(vtkMRMLNode *refNode) VTK_OVERRIDE;

  virtual int WriteBinaryLabelmapRepresentation(vtkMRMLSegmentationNode* segmentationNode, std::string path);

  virtual int WritePolyDataRepresentation(vtkMRMLSegmentationNode* segmentationNode, std::string path);

  virtual int ReadDataInternal(vtkMRMLNode *refNode) VTK_OVERRIDE;

  virtual int ReadBinaryLabelmapRepresentation(vtkMRMLSegmentationNode* segmentationNode, std::string path);

#ifdef SUPPORT_4D_SPATIAL_NRRD
  virtual int ReadBinaryLabelmapRepresentation4DSpatial(vtkMRMLSegmentationNode* segmentationNode, std::string path);
#endif

  virtual int ReadPolyDataRepresentation(vtkMRMLSegmentationNode* segmentationNode, std::string path);

  void AddPolyDataFileNames(std::string path, vtkSegmentation* segmentation);

  std::string SerializeContainedRepresentationNames(vtkSegmentation* segmentation);

  void CreateRepresentationsBySerializedNames(vtkSegmentation* segmentation, std::string representationNames);

  static std::string GetSegmentMetaDataKey(int segmentIndex, const std::string& keyName);

  static std::string GetSegmentationMetaDataKey(const std::string& keyName);

  static std::string GetSegmentTagsAsString(vtkSegment* segment);
  static void SetSegmentTagsFromString(vtkSegment* segment, std::string tagsValue);

  static std::string GetImageExtentAsString(vtkOrientedImageData* image);
  static std::string GetImageExtentAsString(int extent[6]);
  static void GetImageExtentFromString(int extent[6], std::string extentValue);

  static std::string GetSegmentColorAsString(vtkMRMLSegmentationNode* segmentationNode, const std::string& segmentId);
  static void GetSegmentColorFromString(double color[3], std::string colorString);

protected:
  vtkMRMLSegmentationStorageNode();
  ~vtkMRMLSegmentationStorageNode();

private:
  vtkMRMLSegmentationStorageNode(const vtkMRMLSegmentationStorageNode&);  
  void operator=(const vtkMRMLSegmentationStorageNode&);  
};

#endif