vtkChartPie.h

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

#ifndef vtkChartPie_h
#define vtkChartPie_h

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

VTK_ABI_NAMESPACE_BEGIN
class vtkChartLegend;
class vtkTooltipItem;
class vtkChartPiePrivate;
class vtkPlotPie;

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

  static vtkChartPie* New();

  void Update() override;

  bool Paint(vtkContext2D* painter) override;

  using vtkChart::AddPlot;
  vtkPlot* AddPlot(int type) override;

  virtual void SetPlot(vtkPlotPie* plot);

  vtkPlot* GetPlot(vtkIdType index) override;

  vtkIdType GetNumberOfPlots() override;

  void SetShowLegend(bool visible) override;

  vtkChartLegend* GetLegend() override;

  void SetScene(vtkContextScene* scene) override;

  bool Hit(const vtkContextMouseEvent& mouse) override;

  bool MouseEnterEvent(const vtkContextMouseEvent& mouse) override;

  bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;

  bool MouseLeaveEvent(const vtkContextMouseEvent& mouse) override;

  bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;

  bool MouseButtonReleaseEvent(const vtkContextMouseEvent& mouse) override;

  bool MouseWheelEvent(const vtkContextMouseEvent& mouse, int delta) override;

protected:
  vtkChartPie();
  ~vtkChartPie() override;

  void RecalculatePlotTransforms();

  vtkChartLegend* Legend;

  vtkTooltipItem* Tooltip;

  bool PlotTransformValid;

private:
  vtkChartPie(const vtkChartPie&) = delete;
  void operator=(const vtkChartPie&) = delete;

  bool LocatePointInPlots(const vtkContextMouseEvent& mouse);

  vtkChartPiePrivate* Private;
};

VTK_ABI_NAMESPACE_END
#endif // vtkChartPie_h