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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.
*
* CamiTK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* CamiTK is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with CamiTK. If not, see <http://www.gnu.org/licenses/>.
*
* $CAMITK_LICENCE_END$
****************************************************************************/
#ifndef CONTOURWIDGET_H
#define CONTOURWIDGET_H
#include <Action.h>
#include <MeshComponent.h>
#include <ImageComponent.h>
#include <Transformation.h>
// disable warning generated by clang about the surrounded headers
#include <CamiTKDisableWarnings>
#include <vtkSmartPointer.h>
#include <vtkContourWidget.h>
#include <vtkBoundedPlanePointPlacer.h>
#include <CamiTKReEnableWarnings>
#include <QObject>
#include <QFrame>
#include <QMap>
/** Adding a contour widget to the currently selected image component
* To simplify this class inherits from both CamiTK Action and VTK Command, for real life code, please
* add a specific/separated class inheriting from vtkCommand.
*/
class ContourWidget : public camitk::Action {
Q_OBJECT
public:
/// Default Constructor
ContourWidget(camitk::ActionExtension* extension);
/// Default Destructor
virtual ~ContourWidget() = default;
/// method called when the action when the action is triggered (i.e. started)
virtual QWidget* getWidget();
public slots:
/** this method is automatically called when the action is triggered.
* Call getTargets() method to get the list of components to use.
* \note getTargets() is automatically filtered so that it only contains compatible components,
* i.e., instances of ImageComponent (or a subclass).
*/
virtual camitk::Action::ApplyStatus apply();
/// close the current contour
void closeContour();
/// delete current contour, connect to current image and current mesh destroyed() signal
void deleteContour();
/// update the action GUI (= action widget) information (number of points)
void update();
// duplicate the current contour but start a new mesh
void duplicateContour();
private:
/// this action widget
QFrame* myWidget;
/// currently selected image component
camitk::ImageComponent* currentImage;
/// the mesh component build by the contour widget.
/// Its frame is the same as the data image frame.
camitk::MeshComponent* currentMesh;
/// the interactive contour representation
vtkSmartPointer<vtkContourWidget> contourWidget;
/// Control the user interaction with the contour widget
/// Produces the vtkPointSet that will be both:
/// - the input of the transformFilter to display the contour in the 2D viewers
/// - the MeshComponent vtkPointSet that will itself create its actors for the 3D viewer
vtkSmartPointer<vtkCommand> contourWidgetCommand;
/// placer for the contour representation that must
/// - be fixed to the normal plane of the selected 2D viewer
/// - move with the selected slice id
/// the translation from the data frame of the image to the current slice
/// is expressed in the data frame (e.g for the first slice the translation in 0,
/// for the last slice it is equal to the nbVoxel*voxelSize (in the normal plane of
/// the current 2D viewer)
/// This placer is needed in order to show the vtkContourWidget at the correct
/// place inside the 2D viewer and will be used by the contour representation
/// to create the mesh at the right place in space.
vtkSmartPointer<vtkBoundedPlanePointPlacer> frontPlanePlacer;
/// The 2D viewer currently selected (0=axial, 1=coronal and 2=sagittal)
int selectedViewer;
/// initialize the contour widget
/// @return false if the contour could not be created, true otherwise
bool initContour();
/// create the MeshComponent from the current contour
void initMesh();
/// update the contour visualization (vtkContourWidget + MeshComponent)
void updateContourAndMesh();
/// compute the current transformation (translation from the image main frame to the current slice)
void updateTransformation();
/// get the viewer string corresponding to the current selected viewer name
/// axial = 0, coronal = 1, sagittal = 2
QString getViewerName();
/// get the viewer string list
QStringList getViewerNameList();
};
#endif // CONTOURWIDGET_H
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