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

class vtkChartLegend;
class vtkTooltipItem;
class vtkChartPiePrivate;

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

  static vtkChartPie *New();

  virtual void Update();

  virtual bool Paint(vtkContext2D *painter);

  virtual vtkPlot * AddPlot(int type);

  virtual vtkIdType AddPlot(vtkPlot* plot)
    { return Superclass::AddPlot(plot); }

  virtual vtkPlot* GetPlot(vtkIdType index);

  virtual vtkIdType GetNumberOfPlots();

  virtual void SetShowLegend(bool visible);

  virtual vtkChartLegend * GetLegend();

  virtual void SetScene(vtkContextScene *scene);

  virtual bool Hit(const vtkContextMouseEvent &mouse);

  virtual bool MouseEnterEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseMoveEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseLeaveEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse);

  virtual bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse);

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

protected:
  vtkChartPie();
  ~vtkChartPie();

  void RecalculatePlotTransforms();

  vtkChartLegend *Legend;

  vtkTooltipItem *Tooltip;

  bool PlotTransformValid;

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

  bool LocatePointInPlots(const vtkContextMouseEvent &mouse);

  vtkChartPiePrivate *Private;

};

#endif //vtkChartPie_h