vtkParallelCoordinatesActor.h

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

#include "vtkActor2D.h"
#include "vtkRenderingAnnotationModule.h" // For export macro
#include "vtkWrappingHints.h"             // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkAlgorithmOutput;
class vtkAxisActor2D;
class vtkDataObject;
class vtkPolyData;
class vtkPolyDataMapper2D;
class vtkTextMapper;
class vtkTextProperty;
class vtkParallelCoordinatesActorConnection;

#define VTK_IV_COLUMN 0
#define VTK_IV_ROW 1

class VTKRENDERINGANNOTATION_EXPORT VTK_MARSHALAUTO vtkParallelCoordinatesActor : public vtkActor2D
{
public:
  vtkTypeMacro(vtkParallelCoordinatesActor, vtkActor2D);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkParallelCoordinatesActor* New();


  vtkSetClampMacro(IndependentVariables, int, VTK_IV_COLUMN, VTK_IV_ROW);
  vtkGetMacro(IndependentVariables, int);
  void SetIndependentVariablesToColumns() { this->SetIndependentVariables(VTK_IV_COLUMN); }
  void SetIndependentVariablesToRows() { this->SetIndependentVariables(VTK_IV_ROW); }


  vtkSetStringMacro(Title);
  vtkGetStringMacro(Title);


  vtkSetClampMacro(NumberOfLabels, int, 0, 50);
  vtkGetMacro(NumberOfLabels, int);


  vtkSetStringMacro(LabelFormat);
  vtkGetStringMacro(LabelFormat);


  virtual void SetTitleTextProperty(vtkTextProperty* p);
  vtkGetObjectMacro(TitleTextProperty, vtkTextProperty);


  virtual void SetLabelTextProperty(vtkTextProperty* p);
  vtkGetObjectMacro(LabelTextProperty, vtkTextProperty);


  int RenderOpaqueGeometry(vtkViewport*) override;
  int RenderOverlay(vtkViewport*) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport*) override { return 0; }

  vtkTypeBool HasTranslucentPolygonalGeometry() override;

  virtual void SetInputConnection(vtkAlgorithmOutput*);

  virtual void SetInputData(vtkDataObject*);

  vtkDataObject* GetInput();

  void ReleaseGraphicsResources(vtkWindow*) override;

protected:
  vtkParallelCoordinatesActor();
  ~vtkParallelCoordinatesActor() override;

private:
  vtkParallelCoordinatesActorConnection* ConnectionHolder;

  int IndependentVariables; // Use column or row
  vtkIdType N;              // The number of independent variables
  double* Mins;             // Minimum data value along this row/column
  double* Maxs;             // Maximum data value along this row/column
  int* Xs;                  // Axes x-values (in viewport coordinates)
  int YMin;                 // Axes y-min-value (in viewport coordinates)
  int YMax;                 // Axes y-max-value (in viewport coordinates)
  int NumberOfLabels;       // Along each axis
  char* LabelFormat;
  char* Title;

  vtkAxisActor2D** Axes;
  vtkTextMapper* TitleMapper;
  vtkActor2D* TitleActor;

  vtkTextProperty* TitleTextProperty;
  vtkTextProperty* LabelTextProperty;

  vtkPolyData* PlotData; // The lines drawn within the axes
  vtkPolyDataMapper2D* PlotMapper;
  vtkActor2D* PlotActor;

  vtkTimeStamp BuildTime;

  int LastPosition[2];
  int LastPosition2[2];

  void Initialize();
  int PlaceAxes(vtkViewport* viewport, const int* size);

  vtkParallelCoordinatesActor(const vtkParallelCoordinatesActor&) = delete;
  void operator=(const vtkParallelCoordinatesActor&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif