Slice.h

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/*****************************************************************************
 * $CAMITK_LICENCE_BEGIN$
 *
 * CamiTK - Computer Assisted Medical Intervention ToolKit
 * (c) 2001-2025 Univ. Grenoble Alpes, CNRS, Grenoble INP - UGA, TIMC, 38000 Grenoble, France
 *
 * Visit http://camitk.imag.fr for more information
 *
 * This file is part of CamiTK.
 *
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 * only, as published by the Free Software Foundation.
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * You should have received a copy of the GNU Lesser General Public License
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#ifndef CANONICAL_SLICE_H
#define CANONICAL_SLICE_H
 
// -- Core stuff
#include "CamiTKAPI.h"
#include "InterfaceBitMap.h"
 
// -- vtk stuff
// disable warning generated by clang about the surrounded headers
#include "CamiTKDisableWarnings"
#include <vtkWindowLevelLookupTable.h>
#include <vtkActor.h>
#include <vtkImageActor.h>
#include "CamiTKReEnableWarnings"
 
#include <vtkImageData.h>
#include <vtkTransform.h>
#include <vtkUnstructuredGrid.h>
#include <vtkImageReslice.h>
 
namespace camitk {
 
class CAMITK_API Slice : public InterfaceBitMap {
public:
    enum SliceOrientation {
        AXIAL,
        CORONAL,
        SAGITTAL,
        AXIAL_NEURO,
        ARBITRARY
    };

    Slice(vtkSmartPointer<vtkImageData> volume, SliceOrientation AXIAL_ORIENTATION, vtkSmartPointer<vtkWindowLevelLookupTable> lookupTable = nullptr);

    ~Slice() override;


    void setOriginalVolume(vtkSmartPointer<vtkImageData> img) override final;

    vtkSmartPointer<vtkImageActor> get2DImageActor() const override;

    vtkSmartPointer<vtkImageActor> get3DImageActor() const override;

    vtkSmartPointer<vtkActor> getPickPlaneActor() const override;

    vtkSmartPointer<vtkActor> getPixelActor() override;

    void pixelPicked(double, double, double) override;

    void updatePickPlane() override final;

    int getNumberOfSlices() const override final;

    int getSlice() const override;

    void setSlice(int s) override final;

    void setSlice(double x, double y, double z) override;

    int getNumberOfColors() const override;

    void setPixelRealPosition(double, double, double) override;

    virtual void setArbitraryTransform(vtkSmartPointer<vtkTransform>) override;

    vtkSmartPointer<vtkImageData> getImageData() const override;
 
    // @}


    vtkSmartPointer<vtkProp> getProp(const QString&) override;

    unsigned int getNumberOfProp() const override;

    vtkSmartPointer<vtkProp> getProp(unsigned int) override;

    bool addProp(const QString&,  vtkSmartPointer<vtkProp>) override;

    bool removeProp(const QString&) override;

 
 
protected:


    void init();

    void initActors();

    void reslicedToVolumeCoords(const double* ijk, double* xyz);

    void volumeToReslicedCoords(const double* xyz, double* ijk);


    SliceOrientation sliceOrientation;

    vtkSmartPointer<vtkImageData> originalVolume;

    int currentSliceIndex;

    vtkSmartPointer<vtkWindowLevelLookupTable> lut;

    double originalSpacing[3];

    double originalSize[3];

    vtkSmartPointer<vtkImageActor> image3DActor;

    vtkSmartPointer<vtkImageActor> image2DActor;


    vtkSmartPointer<vtkImageReslice> image2DReslicer;



    void initPickPlaneActor();

    void initPixelActor();

    void updatePixelActor(double x, double y, double z);

    void updatePixelActor();

    vtkSmartPointer<vtkActor> pickPlaneActor;

    vtkSmartPointer<vtkUnstructuredGrid> pickPlaneActorPointSet;

    vtkSmartPointer<vtkActor> pixelActor;

    vtkSmartPointer<vtkUnstructuredGrid> pixelActorPointSet;


    QMap<QString, vtkSmartPointer<vtkProp> > extraProp;

};
 
}
 
#endif // CANONICAL_SLICE_H