mitkLabelSetImageVtkMapper2D.h

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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.
 
============================================================================*/
 
#ifndef mitkLabelSetImageVtkMapper2D_h
#define mitkLabelSetImageVtkMapper2D_h
 
// MITK
#include "MitkMultilabelExports.h"
#include "mitkCommon.h"
 
// MITK Rendering
#include "mitkBaseRenderer.h"
#include "mitkExtractSliceFilter.h"
#include "mitkLabelSetImage.h"
#include "mitkVtkMapper.h"
 
// VTK
#include <vtkSmartPointer.h>
 
class vtkActor;
class vtkPolyDataMapper;
class vtkPlaneSource;
class vtkImageData;
class vtkLookupTable;
class vtkImageReslice;
class vtkPoints;
class vtkMitkThickSlicesFilter;
class vtkPolyData;
class vtkNeverTranslucentTexture;
class vtkImageMapToColors;
 
namespace mitk
{
  class IPreferences;
 
  class MITKMULTILABEL_EXPORT LabelSetImageVtkMapper2D : public VtkMapper
  {
  public:
    mitkClassMacro(LabelSetImageVtkMapper2D, VtkMapper);
 
    itkNewMacro(Self);
 
    const mitk::Image *GetInput(void);
 
    void Update(mitk::BaseRenderer *renderer) override;
 
    //### methods of MITK-VTK rendering pipeline
    vtkProp *GetVtkProp(mitk::BaseRenderer *renderer) override;
    //### end of methods of MITK-VTK rendering pipeline
 
    class MITKMULTILABEL_EXPORT LocalStorage : public mitk::Mapper::BaseLocalStorage
    {
    public:
      vtkSmartPointer<vtkPropAssembly> m_Actors;
 
      std::vector<const Image*> m_GroupImageIDs;
 
      std::vector<vtkSmartPointer<vtkActor>> m_LayerActorVector;
      std::vector<vtkSmartPointer<vtkPolyDataMapper>> m_LayerMapperVector;
      std::vector<vtkSmartPointer<vtkImageData>> m_ReslicedImageVector;
      std::vector<vtkSmartPointer<vtkImageMapToColors>> m_LayerImageMapToColors;
      std::vector<vtkSmartPointer<vtkNeverTranslucentTexture>> m_LayerTextureVector;
 
      vtkSmartPointer<vtkPolyData> m_EmptyPolyData;
      vtkSmartPointer<vtkPlaneSource> m_Plane;
 
      std::vector<mitk::ExtractSliceFilter::Pointer> m_ReslicerVector;
 
      vtkSmartPointer<vtkPolyData> m_OutlinePolyData;
      vtkSmartPointer<vtkActor> m_OutlineActor;
      vtkSmartPointer<vtkActor> m_OutlineShadowActor;
      vtkSmartPointer<vtkPolyDataMapper> m_OutlineMapper;
 
      itk::TimeStamp m_LastDataUpdateTime;
      itk::TimeStamp m_LastPropertyUpdateTime;
      itk::TimeStamp m_LastActiveLabelUpdateTime;
 
      mitk::ScalarType *m_mmPerPixel;
 
      mitk::LookupTable::Pointer m_LabelLookupTable;
 
      mitk::PlaneGeometry::Pointer m_WorldPlane;
      bool m_HasValidContent;
 
      mitk::TimeStepType m_LastTimeStep;
 
      unsigned int m_NumberOfLayers;
 
      LocalStorage();
      ~LocalStorage() override;
    };
 
    mitk::LocalStorageHandler<LocalStorage> m_LSH;
 
    LocalStorage *GetLocalStorage(mitk::BaseRenderer *renderer);
 
    static void SetDefaultProperties(mitk::DataNode *node, mitk::BaseRenderer *renderer = nullptr, bool overwrite = false);
 
    void ApplyRenderingMode(mitk::BaseRenderer *renderer);
 
  protected:
    void TransformActor(mitk::BaseRenderer *renderer);
 
    void GeneratePlane(mitk::BaseRenderer *renderer, double planeBounds[6]);
 
    vtkSmartPointer<vtkPolyData> CreateOutlinePolyData(mitk::BaseRenderer *renderer,
                                                       vtkImageData *image,
                                                       int pixelValue = 1);
 
    LabelSetImageVtkMapper2D();
    ~LabelSetImageVtkMapper2D() override;
 
    void GenerateDataForRenderer(mitk::BaseRenderer *renderer) override;
 
    void GenerateImageSlice(mitk::BaseRenderer* renderer, const std::vector<mitk::LabelSetImage::GroupIndexType>& outdatedGroupIDs);
 
    void GenerateActiveLabelOutline(mitk::BaseRenderer* renderer);
 
    void GenerateLookupTable(mitk::BaseRenderer* renderer);
 
    float CalculateLayerDepth(mitk::BaseRenderer *renderer);
 
    bool RenderingGeometryIntersectsImage(const PlaneGeometry *renderingGeometry, const BaseGeometry* imageGeometry) const;
 
  private:
    float GetOpacityFactor();
    IPreferences* m_Preferences;
  };
 
} // namespace mitk
 
#endif