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

  Program:   Visualization Toolkit
  Module:    vtkResliceCursorActor.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/**
 * @class   vtkResliceCursorActor
 * @brief   Represent a reslice cursor
 *
 * A reslice cursor consists of a pair of lines (cross hairs), thin or thick,
 * that may be interactively manipulated for thin/thick reformats through the
 * data.
 * @sa
 * vtkResliceCursor vtkResliceCursorPolyDataAlgorithm vtkResliceCursorWidget
 * vtkResliceCursorRepresentation vtkResliceCursorLineRepresentation
 */

#ifndef vtkResliceCursorActor_h
#define vtkResliceCursorActor_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkProp3D.h"

class vtkResliceCursor;
class vtkResliceCursorPolyDataAlgorithm;
class vtkPolyDataMapper;
class vtkActor;
class vtkProperty;
class vtkBoundingBox;

class VTKINTERACTIONWIDGETS_EXPORT vtkResliceCursorActor : public vtkProp3D
{

public:
  ///@{
  /**
   * Standard VTK methods
   */
  static vtkResliceCursorActor* New();
  vtkTypeMacro(vtkResliceCursorActor, vtkProp3D);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  ///@}

  ///@{
  /**
   * Get the cursor algorithm. The cursor must be set on the algorithm
   */
  vtkGetObjectMacro(CursorAlgorithm, vtkResliceCursorPolyDataAlgorithm);
  ///@}

  /**
   * Support the standard render methods.
   */
  int RenderOpaqueGeometry(vtkViewport* viewport) override;

  /**
   * Does this prop have some translucent polygonal geometry? No.
   */
  vtkTypeBool HasTranslucentPolygonalGeometry() override;

  /**
   * Release any graphics resources that are being consumed by this actor.
   * The parameter window could be used to determine which graphic
   * resources to release.
   */
  void ReleaseGraphicsResources(vtkWindow*) override;

  /**
   * Get the bounds for this Actor as (Xmin,Xmax,Ymin,Ymax,Zmin,Zmax).
   */
  double* GetBounds() override;

  /**
   * Get the actors mtime plus consider its algorithm.
   */
  vtkMTimeType GetMTime() override;

  ///@{
  /**
   * Get property of the internal actor.
   */
  vtkProperty* GetCenterlineProperty(int i);
  vtkProperty* GetThickSlabProperty(int i);
  ///@}

  /**
   * Get the centerline actor along a particular axis
   */
  vtkActor* GetCenterlineActor(int axis);

  /**
   * Set the user matrix on all the internal actors.
   */
  virtual void SetUserMatrix(vtkMatrix4x4* matrix);

protected:
  vtkResliceCursorActor();
  ~vtkResliceCursorActor() override;

  void UpdateViewProps(vtkViewport* v = nullptr);
  void UpdateHoleSize(vtkViewport* v);

  vtkResliceCursorPolyDataAlgorithm* CursorAlgorithm;
  vtkPolyDataMapper* CursorCenterlineMapper[3];
  vtkActor* CursorCenterlineActor[3];
  vtkPolyDataMapper* CursorThickSlabMapper[3];
  vtkActor* CursorThickSlabActor[3];
  vtkProperty* CenterlineProperty[3];
  vtkProperty* ThickSlabProperty[3];

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

#endif
