vtkSlicerLineRepresentation2D.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 vtkSlicerLineRepresentation2D_h
#define vtkSlicerLineRepresentation2D_h

#include "vtkSlicerMarkupsModuleVTKWidgetsExport.h"
#include "vtkSlicerMarkupsWidgetRepresentation2D.h"

class vtkTubeFilter;
class vtkSampleImplicitFunctionFilter;

class vtkMRMLInteractionEventData;

class VTK_SLICER_MARKUPS_MODULE_VTKWIDGETS_EXPORT vtkSlicerLineRepresentation2D : public vtkSlicerMarkupsWidgetRepresentation2D
{
public:
  static vtkSlicerLineRepresentation2D *New();

  vtkTypeMacro(vtkSlicerLineRepresentation2D,vtkSlicerMarkupsWidgetRepresentation2D);
  void PrintSelf(ostream& os, vtkIndent indent) override;

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

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

protected:
  vtkSlicerLineRepresentation2D();
  ~vtkSlicerLineRepresentation2D() override;

  void SetMarkupsNode(vtkMRMLMarkupsNode *markupsNode) override;

  void UpdateInteractionPipeline() override;

  vtkSmartPointer<vtkPolyData> Line;
  vtkSmartPointer<vtkPolyDataMapper2D> LineMapper;
  vtkSmartPointer<vtkActor2D> LineActor;
  vtkSmartPointer<vtkDiscretizableColorTransferFunction> LineColorMap;

  vtkSmartPointer<vtkTubeFilter> TubeFilter;

  vtkSmartPointer<vtkTransformPolyDataFilter> WorldToSliceTransformer;
  vtkSmartPointer<vtkSampleImplicitFunctionFilter> SliceDistance;

private:
  vtkSlicerLineRepresentation2D(const vtkSlicerLineRepresentation2D&) = delete;
  void operator=(const vtkSlicerLineRepresentation2D&) = delete;
};

#endif