vtkColorTransferControlPointsItem.h

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

#ifndef vtkColorTransferControlPointsItem_h
#define vtkColorTransferControlPointsItem_h

#include "vtkChartsCoreModule.h" // For export macro
#include "vtkControlPointsItem.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkColorTransferFunction;

class VTKCHARTSCORE_EXPORT VTK_MARSHALAUTO vtkColorTransferControlPointsItem
  : public vtkControlPointsItem
{
public:
  vtkTypeMacro(vtkColorTransferControlPointsItem, vtkControlPointsItem);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkColorTransferControlPointsItem* New();

  void SetColorTransferFunction(vtkColorTransferFunction* function);


  vtkGetObjectMacro(ColorTransferFunction, vtkColorTransferFunction);

  vtkIdType GetNumberOfPoints() const override;

  void GetControlPoint(vtkIdType index, double* point) const override;

  void SetControlPoint(vtkIdType index, double* point) override;

  vtkIdType AddPoint(double* newPos) override;

  using Superclass::RemovePoint;

  vtkIdType RemovePoint(double* pos) override;


  vtkSetMacro(ColorFill, bool);
  vtkGetMacro(ColorFill, bool);

protected:
  vtkColorTransferControlPointsItem() = default;
  ~vtkColorTransferControlPointsItem() override;

  void emitEvent(unsigned long event, void* params) override;

  vtkMTimeType GetControlPointsMTime() override;

  void DrawPoint(vtkContext2D* painter, vtkIdType index) override;
  void EditPoint(float tX, float tY) override;

  void ComputeBounds(double* bounds) override;

  vtkColorTransferFunction* ColorTransferFunction = nullptr;
  bool ColorFill = false;

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

VTK_ABI_NAMESPACE_END
#endif