vtkSlicerCurveRepresentation3D.h

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

 Copyright (c) ProxSim ltd., Kwun Tong, Hong Kong. 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 Davide Punzo, punzodavide@hotmail.it,
 and development was supported by ProxSim ltd.

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

#ifndef vtkSlicerCurveRepresentation3D_h
#define vtkSlicerCurveRepresentation3D_h

#include "vtkSlicerMarkupsModuleVTKWidgetsExport.h"
#include "vtkSlicerMarkupsWidgetRepresentation3D.h"

class vtkActor;
class vtkCellLocator;
class vtkPolyDataMapper;
class vtkPolyData;
class vtkTubeFilter;

class vtkMRMLInteractionEventData;

class VTK_SLICER_MARKUPS_MODULE_VTKWIDGETS_EXPORT vtkSlicerCurveRepresentation3D : public vtkSlicerMarkupsWidgetRepresentation3D
{
public:
  static vtkSlicerCurveRepresentation3D *New();

  vtkTypeMacro(vtkSlicerCurveRepresentation3D,vtkSlicerMarkupsWidgetRepresentation3D);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void UpdateFromMRML(vtkMRMLNode* caller, unsigned long event, void *callData = nullptr) override;

  void GetActors(vtkPropCollection *) override;
  void ReleaseGraphicsResources(vtkWindow *) override;
  int RenderOverlay(vtkViewport *viewport) override;
  int RenderOpaqueGeometry(vtkViewport *viewport) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport *viewport) override;
  vtkTypeBool HasTranslucentPolygonalGeometry() override;

  double *GetBounds() override;

  void CanInteract(vtkMRMLInteractionEventData* interactionEventData,
    int &foundComponentType, int &foundComponentIndex, double &closestDistance2) override;

  void CanInteractWithCurve(vtkMRMLInteractionEventData* interactionEventData,
    int &foundComponentType, int &componentIndex, double &closestDistance2);

protected:
  vtkSlicerCurveRepresentation3D();
  ~vtkSlicerCurveRepresentation3D() override;

  void SetMarkupsNode(vtkMRMLMarkupsNode *markupsNode) override;

  vtkSmartPointer<vtkPolyData>   Line;
  vtkSmartPointer<vtkTubeFilter> TubeFilter;

  vtkSmartPointer<vtkPolyDataMapper> LineMapper;
  vtkSmartPointer<vtkPolyDataMapper> LineOccludedMapper;

  vtkSmartPointer<vtkActor> LineActor;
  vtkSmartPointer<vtkActor> LineOccludedActor;

  vtkSmartPointer<vtkCellLocator> CurvePointLocator;

  double PreviousSpecularLightingCoeff{0.0};

private:
  vtkSlicerCurveRepresentation3D(const vtkSlicerCurveRepresentation3D&) = delete;
  void operator=(const vtkSlicerCurveRepresentation3D&) = delete;
};

#endif