vtkAxisGridActorInternal.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkAxisGridActorInternal_h
#define vtkAxisGridActorInternal_h

#include "vtkActor2D.h"

#include "vtkNew.h" // for vtkNew

VTK_ABI_NAMESPACE_BEGIN
class vtkCellArray;
class vtkDoubleArray;
class vtkPoints;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkPolyDataMapper2D;

class vtkAxisGridActorInternal : public vtkActor2D
{
public:
  vtkTypeMacro(vtkAxisGridActorInternal, vtkActor2D);
  static vtkAxisGridActorInternal* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetHorizontalLinesLeftPoints(vtkPoints* points);
  void SetHorizontalLinesRightPoints(vtkPoints* points);
  void SetVerticalLinesTopPoints(vtkPoints* points);
  void SetVerticalLinesBottomPoints(vtkPoints* points);

  int RenderOpaqueGeometry(vtkViewport*) override;

protected:
  vtkAxisGridActorInternal();
  ~vtkAxisGridActorInternal() override;

private:
  vtkNew<vtkPolyData> PolyData;
  vtkNew<vtkPoints> PolyDataPoints;
  vtkNew<vtkCellArray> PolyDataLines;
  vtkNew<vtkPolyDataMapper2D> GridMapper;

  vtkPoints* XTicksStart = nullptr;
  vtkPoints* YTicksStart = nullptr;
  vtkPoints* XTicksEnd = nullptr;
  vtkPoints* YTicksEnd = nullptr;

  void BuildGrid();

  void operator=(const vtkAxisGridActorInternal&) = delete;
  vtkAxisGridActorInternal(const vtkAxisGridActorInternal&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif