vtkPlotFunctionalBag.h

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

 
#ifndef vtkPlotFunctionalBag_h
#define vtkPlotFunctionalBag_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkNew.h"              // Needed to hold SP ivars
#include "vtkPlot.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkDataArray;
class vtkPlotFuntionalBagInternal;
class vtkPlotLine;
class vtkPoints2D;
class vtkScalarsToColors;
 
class VTKCHARTSCORE_EXPORT VTK_MARSHALAUTO vtkPlotFunctionalBag : public vtkPlot
{
public:
  vtkTypeMacro(vtkPlotFunctionalBag, vtkPlot);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkPlotFunctionalBag* New();

  virtual bool IsBag();

  bool GetVisible() 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, vtkIdType* segmentId) override;
  using vtkPlot::GetNearestPoint;

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

  bool SelectPointsInPolygon(const vtkContextPolygon& polygon) override;

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

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

  bool CacheRequiresUpdate() override;

  vtkScalarsToColors* LookupTable;

  vtkNew<vtkPlotLine> Line;

  vtkNew<vtkPoints2D> BagPoints;
 
  bool LogX, LogY;
 
private:
  vtkPlotFunctionalBag(const vtkPlotFunctionalBag&) = delete;
  void operator=(const vtkPlotFunctionalBag&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkPlotFunctionalBag_h