vtkPlotFunctionalBag.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkPlotFunctionalBag.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 vtkPlotFunctionalBag_h
#define vtkPlotFunctionalBag_h

#include "vtkChartsCoreModule.h" // For export macro
#include "vtkPlot.h"
#include "vtkNew.h"              // Needed to hold SP ivars

class vtkDataArray;
class vtkPlotFuntionalBagInternal;
class vtkPlotLine;
class vtkPoints2D;
class vtkScalarsToColors;

class VTKCHARTSCORE_EXPORT vtkPlotFunctionalBag : public vtkPlot
{
public:
  vtkTypeMacro(vtkPlotFunctionalBag, vtkPlot);
  void PrintSelf(ostream &os, vtkIndent indent) override;

  static vtkPlotFunctionalBag *New();

  virtual bool IsBag();

  bool GetVisible() override;

  void Update() override;

  bool Paint(vtkContext2D *painter) override;

  bool PaintLegend(vtkContext2D *painter, const vtkRectf& rect,
                           int legendIndex) override;

  void GetBounds(double bounds[4]) override;

  void GetUnscaledInputBounds(double bounds[4]) override;


  void SetLookupTable(vtkScalarsToColors *lut);
  vtkScalarsToColors *GetLookupTable();

  virtual void CreateDefaultLookupTable();

  vtkIdType GetNearestPoint(const vtkVector2f& point,
                                    const vtkVector2f& tolerance,
                                    vtkVector2f* location) override;

  bool SelectPoints(const vtkVector2f& min, const vtkVector2f& max) override;

  bool SelectPointsInPolygon(const vtkContextPolygon &polygon) override;

protected:
  vtkPlotFunctionalBag();
  ~vtkPlotFunctionalBag() override;

  bool GetDataArrays(vtkTable *table, vtkDataArray *array[2]);

  bool UpdateTableCache(vtkTable*);

  vtkTimeStamp BuildTime;

  vtkScalarsToColors *LookupTable;

  vtkNew<vtkPlotLine> Line;

  vtkNew<vtkPoints2D> BagPoints;

  bool LogX, LogY;

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

#endif //vtkPlotFunctionalBag_h