vtkResliceCursorLineRepresentation.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkResliceCursorLineRepresentation_h
#define vtkResliceCursorLineRepresentation_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkResliceCursorRepresentation.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkPolyData;
class vtkResliceCursorActor;
class vtkResliceCursorPolyDataAlgorithm;
class vtkResliceCursorPicker;
class vtkResliceCursor;
 
class VTKINTERACTIONWIDGETS_EXPORT VTK_MARSHALAUTO vtkResliceCursorLineRepresentation
  : public vtkResliceCursorRepresentation
{
public:
  static vtkResliceCursorLineRepresentation* New();


  vtkTypeMacro(vtkResliceCursorLineRepresentation, vtkResliceCursorRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void BuildRepresentation() override;
  int ComputeInteractionState(int X, int Y, int modify = 0) override;
  void StartWidgetInteraction(double startEventPos[2]) override;
  void WidgetInteraction(double e[2]) override;
  void Highlight(int highlightOn) override;


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

  double* GetBounds() override;


  vtkGetObjectMacro(ResliceCursorActor, vtkResliceCursorActor);

  VTK_MARSHALEXCLUDE(VTK_MARSHAL_EXCLUDE_REASON_IS_REDUNDANT)
  vtkResliceCursor* GetResliceCursor() override;

  virtual void SetUserMatrix(vtkMatrix4x4* matrix);

  void SetTolerance(int t) override;
 
protected:
  vtkResliceCursorLineRepresentation();
  ~vtkResliceCursorLineRepresentation() override;
 
  vtkResliceCursorPolyDataAlgorithm* GetCursorAlgorithm() override;
 
  double RotateAxis(double evenPos[2], int axis);
  double TranslateAxis(double evenPos[2], int axis);
 
  void RotateAxis(int axis, double angle);
 
  void RotateVectorAboutVector(double vectorToBeRotated[3],
    double axis[3], // vector about which we rotate
    double angle,   // angle in radians
    double o[3]);
  int DisplayToReslicePlaneIntersection(double displayPos[2], double intersectionPos[3]);
 
  void ApplyTolerance();
 
  vtkNew<vtkResliceCursorActor> ResliceCursorActor;
  vtkResliceCursorPicker* Picker;
 
  double StartPickPosition[3];
  double StartCenterPosition[3];
 
  // Transformation matrices. These have no offset. Offset is recomputed
  // based on the cursor, so that the center of the cursor has the same
  // location in transformed space as it does in physical space.
  vtkMatrix4x4* MatrixReslice;
  vtkMatrix4x4* MatrixView;
  vtkMatrix4x4* MatrixReslicedView;
 
private:
  vtkResliceCursorLineRepresentation(const vtkResliceCursorLineRepresentation&) = delete;
  void operator=(const vtkResliceCursorLineRepresentation&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif