vtkChartPie.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkChartPie.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 vtkChartPie_h
#define vtkChartPie_h
 
#include "vtkChart.h"
#include "vtkChartsCoreModule.h" // For export macro
 
class vtkChartLegend;
class vtkTooltipItem;
class vtkChartPiePrivate;
 
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;
 
  vtkIdType AddPlot(vtkPlot* plot) override { return Superclass::AddPlot(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;
};
 
#endif // vtkChartPie_h