mitkPlanePositionManager.cpp

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

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/
#include "mitkPlanePositionManager.h"
#include "mitkInteractionConst.h"

mitk::PlanePositionManagerService::PlanePositionManagerService()
{
}

mitk::PlanePositionManagerService::~PlanePositionManagerService()
{
  for (unsigned int i = 0; i < m_PositionList.size(); ++i)
    delete m_PositionList[i];
}

unsigned int mitk::PlanePositionManagerService::AddNewPlanePosition(const PlaneGeometry *plane, unsigned int sliceIndex)
{
  for (unsigned int i = 0; i < m_PositionList.size(); ++i)
  {
    if (m_PositionList[i] != nullptr)
    {
      bool isSameMatrix(true);
      bool isSameOffset(true);
      isSameOffset =
        mitk::Equal(m_PositionList[i]->GetTransform()->GetOffset(), plane->GetIndexToWorldTransform()->GetOffset());
      if (!isSameOffset || sliceIndex != m_PositionList[i]->GetPos())
        continue;
      isSameMatrix = mitk::MatrixEqualElementWise(m_PositionList[i]->GetTransform()->GetMatrix(),
                                                  plane->GetIndexToWorldTransform()->GetMatrix());
      if (isSameMatrix)
        return i;
    }
  }

  AffineTransform3D::Pointer transform = AffineTransform3D::New();
  Matrix3D matrix;
  matrix.GetVnlMatrix().set_column(0, plane->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(0));
  matrix.GetVnlMatrix().set_column(1, plane->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(1));
  matrix.GetVnlMatrix().set_column(2, plane->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(2));
  transform->SetMatrix(matrix);
  transform->SetOffset(plane->GetIndexToWorldTransform()->GetOffset());

  mitk::Vector3D direction;
  direction[0] = plane->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(2)[0];
  direction[1] = plane->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(2)[1];
  direction[2] = plane->GetIndexToWorldTransform()->GetMatrix().GetVnlMatrix().get_column(2)[2];
  direction.Normalize();

  mitk::RestorePlanePositionOperation *newOp = new mitk::RestorePlanePositionOperation(OpRESTOREPLANEPOSITION,
                                                                                       plane->GetExtent(0),
                                                                                       plane->GetExtent(1),
                                                                                       plane->GetSpacing(),
                                                                                       sliceIndex,
                                                                                       direction,
                                                                                       transform);

  m_PositionList.push_back(newOp);
  return GetNumberOfPlanePositions() - 1;
}

bool mitk::PlanePositionManagerService::RemovePlanePosition(unsigned int ID)
{
  if (m_PositionList.size() > ID)
  {
    delete m_PositionList[ID];
    m_PositionList.erase(m_PositionList.begin() + ID);
    return true;
  }
  else
  {
    return false;
  }
}

mitk::RestorePlanePositionOperation *mitk::PlanePositionManagerService::GetPlanePosition(unsigned int ID)
{
  if (ID < m_PositionList.size())
  {
    return m_PositionList[ID];
  }
  else
  {
    MITK_WARN << "GetPlanePosition returned nullptr!";
    return nullptr;
  }
}

unsigned int mitk::PlanePositionManagerService::GetNumberOfPlanePositions()
{
  return m_PositionList.size();
}

void mitk::PlanePositionManagerService::RemoveAllPlanePositions()
{
  for (unsigned int i = 0; i < m_PositionList.size(); ++i)
    delete m_PositionList[i];

  m_PositionList.clear();
}