vtkPlotPoints.h

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

  Program:   Visualization Toolkit
  Module:    vtkPlotPoints.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 vtkPlotPoints_h
#define vtkPlotPoints_h

#include "vtkChartsCoreModule.h" // For export macro
#include "vtkPlot.h"
#include "vtkScalarsToColors.h" // For VTK_COLOR_MODE_DEFAULT and _MAP_SCALARS
#include "vtkStdString.h"       // For color array name
#include "vtkNew.h"             // For ivars
#include "vtkRenderingCoreEnums.h" // For marker enum

class vtkCharArray;
class vtkContext2D;
class vtkTable;
class vtkPoints2D;
class vtkFloatArray;
class vtkStdString;
class vtkImageData;
class vtkScalarsToColors;
class vtkUnsignedCharArray;

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

  static vtkPlotPoints *New();

  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();


  vtkSetMacro(ScalarVisibility,vtkTypeBool);
  vtkGetMacro(ScalarVisibility,vtkTypeBool);
  vtkBooleanMacro(ScalarVisibility,vtkTypeBool);


  void SelectColorArray(vtkIdType arrayNum);
  void SelectColorArray(const vtkStdString& arrayName);

  vtkStdString GetColorArrayName();

  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;

  enum {
    NONE = VTK_MARKER_NONE,
    CROSS = VTK_MARKER_CROSS,
    PLUS = VTK_MARKER_PLUS,
    SQUARE = VTK_MARKER_SQUARE,
    CIRCLE = VTK_MARKER_CIRCLE,
    DIAMOND = VTK_MARKER_DIAMOND
  };


  vtkGetMacro(MarkerStyle, int);
  vtkSetMacro(MarkerStyle, int);


  vtkGetMacro(MarkerSize, float);
  vtkSetMacro(MarkerSize, float);


  vtkGetMacro(ValidPointMaskName, vtkStdString)
  vtkSetMacro(ValidPointMaskName, vtkStdString)

protected:
  vtkPlotPoints();
  ~vtkPlotPoints() override;

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

  bool UpdateTableCache(vtkTable *table);

  void CalculateUnscaledInputBounds();

  void CalculateLogSeries();

  void FindBadPoints();

  void CalculateBounds(double bounds[4]);

  void CreateSortedPoints();


  vtkPoints2D *Points;
  vtkNew<vtkFloatArray> SelectedPoints;


  class VectorPIMPL;
  VectorPIMPL* Sorted;

  vtkIdTypeArray* BadPoints;

  vtkCharArray* ValidPointMask;

  vtkStdString ValidPointMaskName;

  vtkTimeStamp BuildTime;


  int MarkerStyle;
  float MarkerSize;

  bool LogX, LogY;


  vtkScalarsToColors *LookupTable;
  vtkUnsignedCharArray *Colors;
  vtkTypeBool ScalarVisibility;
  vtkStdString ColorArrayName;

  double UnscaledInputBounds[4];

private:
  vtkPlotPoints(const vtkPlotPoints &) = delete;
  void operator=(const vtkPlotPoints &) = delete;

};

#endif //vtkPlotPoints_h