vtkResliceCursorPicker.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkResliceCursorPicker_h
#define vtkResliceCursorPicker_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkPicker.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkPolyData;
class vtkGenericCell;
class vtkResliceCursorPolyDataAlgorithm;
class vtkMatrix4x4;
class vtkPlane;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkResliceCursorPicker : public vtkPicker
{
public:
  static vtkResliceCursorPicker* New();
  vtkTypeMacro(vtkResliceCursorPicker, vtkPicker);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  int Pick(double selectionX, double selectionY, double selectionZ, vtkRenderer* renderer) override;
 
 
  vtkGetMacro(PickedAxis1, int);
  vtkGetMacro(PickedAxis2, int);
  vtkGetMacro(PickedCenter, int);
 
 
  virtual void SetResliceCursorAlgorithm(vtkResliceCursorPolyDataAlgorithm*);
  vtkGetObjectMacro(ResliceCursorAlgorithm, vtkResliceCursorPolyDataAlgorithm);
 
  virtual void SetTransformMatrix(vtkMatrix4x4*);
 
  void Pick(double displayPos[2], double world[3], vtkRenderer* ren);
 
protected:
  vtkResliceCursorPicker();
  ~vtkResliceCursorPicker() override;
 
  virtual int IntersectPolyDataWithLine(double p1[3], double p2[3], vtkPolyData*, double tol);
  virtual int IntersectPointWithLine(double p1[3], double p2[3], double X[3], double tol);
 
  void TransformPlane();
  void TransformPoint(double pIn[4], double pOut[4]);
  void InverseTransformPoint(double pIn[4], double pOut[4]);
 
  // Helper members
  vtkGenericCell* Cell; // used to accelerate picking
  vtkResliceCursorPolyDataAlgorithm* ResliceCursorAlgorithm;
 
  int PickedAxis1;
  int PickedAxis2;
  int PickedCenter;
  vtkMatrix4x4* TransformMatrix;
  vtkPlane* Plane;
 
private:
  vtkResliceCursorPicker(const vtkResliceCursorPicker&) = delete;
  void operator=(const vtkResliceCursorPicker&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif