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