vtkGridAxesPlane2DActor.h

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

  Program:   Visualization Toolkit
  Module:    vtkGridAxesPlane2DActor.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.

=========================================================================*/
#ifndef vtkGridAxesPlane2DActor_h
#define vtkGridAxesPlane2DActor_h

#include "vtkProp3D.h"
#include "vtkRemotingViewsModule.h" //needed for exports

#include "vtkGridAxesHelper.h" // For face enumeration
#include "vtkNew.h"            // For member variables
#include "vtkSmartPointer.h"   // For member variables
#include <deque>               // For keeping track of tick marks

class vtkActor;
class vtkCellArray;
class vtkDoubleArray;
class vtkPoints;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkProperty;

class VTKREMOTINGVIEWS_EXPORT vtkGridAxesPlane2DActor : public vtkProp3D
{
public:
  static vtkGridAxesPlane2DActor* New();
  vtkTypeMacro(vtkGridAxesPlane2DActor, vtkProp3D);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetVector6Macro(GridBounds, double);
  vtkGetVector6Macro(GridBounds, double);

  // These are in the same order as the faces of a vtkVoxel.
  enum Faces
  {
    MIN_YZ = vtkGridAxesHelper::MIN_YZ,
    MIN_ZX = vtkGridAxesHelper::MIN_ZX,
    MIN_XY = vtkGridAxesHelper::MIN_XY,
    MAX_YZ = vtkGridAxesHelper::MAX_YZ,
    MAX_ZX = vtkGridAxesHelper::MAX_ZX,
    MAX_XY = vtkGridAxesHelper::MAX_XY
  };


  vtkSetClampMacro(Face, int, MIN_YZ, MAX_XY);
  vtkGetMacro(Face, int);

  void GetActors(vtkPropCollection*) override;

  void UpdateGeometry(vtkViewport* vp);


  vtkSetMacro(GenerateGrid, bool);
  vtkGetMacro(GenerateGrid, bool);
  vtkBooleanMacro(GenerateGrid, bool);


  vtkSetMacro(GenerateEdges, bool);
  vtkGetMacro(GenerateEdges, bool);
  vtkBooleanMacro(GenerateEdges, bool);


  vtkSetMacro(GenerateTicks, bool);
  vtkGetMacro(GenerateTicks, bool);
  vtkBooleanMacro(GenerateTicks, bool);

  enum
  {
    TICK_DIRECTION_INWARDS = 0x1,
    TICK_DIRECTION_OUTWARDS = 0x2,
    TICK_DIRECTION_BOTH = TICK_DIRECTION_INWARDS | TICK_DIRECTION_OUTWARDS,
  };


  vtkSetClampMacro(TickDirection, unsigned int, static_cast<unsigned int>(TICK_DIRECTION_INWARDS),
    static_cast<unsigned int>(TICK_DIRECTION_BOTH));
  vtkGetMacro(TickDirection, unsigned int);

  void SetTickPositions(int axis, vtkDoubleArray* data);
  const std::deque<double>& GetTickPositions(int axis)
  {
    return (axis >= 0 && axis < 3) ? this->TickPositions[axis] : this->EmptyVector;
  }


  void SetProperty(vtkProperty*);
  vtkProperty* GetProperty();

  //--------------------------------------------------------------------------
  // Methods for vtkProp3D API.
  //--------------------------------------------------------------------------


  double* GetBounds() override
  {
    this->GetGridBounds(this->Bounds);
    return this->Bounds;
  }

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

protected:
  vtkGridAxesPlane2DActor(vtkGridAxesHelper* helper = NULL);
  ~vtkGridAxesPlane2DActor() override;


  static vtkGridAxesPlane2DActor* New(vtkGridAxesHelper* helper);
  friend class vtkGridAxes2DActor;


  void Update(vtkViewport* viewport);
  bool UpdateEdges(vtkViewport* viewport);
  bool UpdateGrid(vtkViewport* viewport);
  bool UpdateTicks(vtkViewport* viewport);

  double GridBounds[6];
  int Face;

  bool GenerateGrid;
  bool GenerateEdges;
  bool GenerateTicks;
  unsigned int TickDirection;
  std::deque<double> TickPositions[3];

  vtkNew<vtkPolyData> PolyData;
  vtkNew<vtkPoints> PolyDataPoints;
  vtkNew<vtkCellArray> PolyDataLines;
  vtkNew<vtkPolyDataMapper> Mapper;
  vtkNew<vtkActor> Actor;

  vtkSmartPointer<vtkGridAxesHelper> Helper;
  bool HelperManagedExternally;

private:
  vtkGridAxesPlane2DActor(const vtkGridAxesPlane2DActor&) = delete;
  void operator=(const vtkGridAxesPlane2DActor&) = delete;
  std::deque<double> EmptyVector;

  typedef std::pair<vtkVector3d, vtkVector3d> LineSegmentType;
  std::deque<LineSegmentType> LineSegments;
};

#endif