vtkDataLabelRepresentation.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkDataLabelRepresentation_h
#define vtkDataLabelRepresentation_h
 
#include "vtkPVDataRepresentation.h"
#include "vtkRemotingViewsModule.h" //needed for exports
#include "vtkSmartPointer.h"        // needed for vtkSmartPointer.
 
class vtkActor2D;
class vtkCellCenters;
class vtkCallbackCommand;
class vtkMergeBlocks;
class vtkLabeledDataMapper;
class vtkMaskPoints;
class vtkProp3D;
class vtkTextProperty;
class vtkTransform;
 
class VTKREMOTINGVIEWS_EXPORT vtkDataLabelRepresentation : public vtkPVDataRepresentation
{
public:
  static vtkDataLabelRepresentation* New();
  vtkTypeMacro(vtkDataLabelRepresentation, vtkPVDataRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void SetVisibility(bool val) override;
  bool GetVisibility() override;
 
 
  void SetMaximumNumberOfLabels(int numLabels);
  int GetMaximumNumberOfLabels();
 
  //***************************************************************************
  // Methods to change various parameters on internal objects
  void SetPointLabelVisibility(int);
  void SetPointFieldDataArrayName(const char*);
  void SetPointLabelMode(int);
  void SetPointLabelColor(double r, double g, double b);
  void SetPointLabelOpacity(double);
  void SetPointLabelFontFamily(int);
  void SetPointLabelFontFile(char*);
  void SetPointLabelBold(int);
  void SetPointLabelItalic(int);
  void SetPointLabelShadow(int);
  void SetPointLabelJustification(int);
  void SetPointLabelFontSize(int);
  void SetPointLabelFormat(const char*);
 
  void SetCellLabelVisibility(int);
  void SetCellFieldDataArrayName(const char*);
  void SetCellLabelMode(int);
  void SetCellLabelColor(double r, double g, double b);
  void SetCellLabelOpacity(double);
  void SetCellLabelFontFamily(int);
  void SetCellLabelFontFile(char*);
  void SetCellLabelBold(int);
  void SetCellLabelItalic(int);
  void SetCellLabelShadow(int);
  void SetCellLabelJustification(int);
  void SetCellLabelFontSize(int);
  void SetCellLabelFormat(const char*);
 
 
  void SetOrientation(double, double, double);
  void SetOrigin(double, double, double);
  void SetPosition(double, double, double);
  void SetScale(double, double, double);
  void SetUserTransform(const double[16]);
 
  int ProcessViewRequest(vtkInformationRequestKey* request_type, vtkInformation* inInfo,
    vtkInformation* outInfo) override;
 
protected:
  vtkDataLabelRepresentation();
  ~vtkDataLabelRepresentation() override;
 
  bool AddToView(vtkView* view) override;
 
  bool RemoveFromView(vtkView* view) override;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  void UpdateTransform();
 
  vtkMergeBlocks* MergeBlocks;
 
  vtkSmartPointer<vtkMaskPoints> PointMask;
  vtkLabeledDataMapper* PointLabelMapper;
  vtkTextProperty* PointLabelProperty;
  vtkActor2D* PointLabelActor;
 
  vtkCellCenters* CellCenters;
  vtkSmartPointer<vtkMaskPoints> CellMask;
  vtkLabeledDataMapper* CellLabelMapper;
  vtkTextProperty* CellLabelProperty;
  vtkActor2D* CellLabelActor;
 
  vtkProp3D* TransformHelperProp;
  vtkTransform* Transform;
 
  vtkSmartPointer<vtkDataObject> Dataset;
 
  // Mutes label mapper warnings
  vtkCallbackCommand* WarningObserver;
  static void OnWarningEvent(vtkObject* source, unsigned long, void* clientdata, void*);
 
  int PointLabelVisibility;
  int CellLabelVisibility;
  int MaximumNumberOfLabels;
 
private:
  vtkDataLabelRepresentation(const vtkDataLabelRepresentation&) = delete;
  void operator=(const vtkDataLabelRepresentation&) = delete;
};
 
#endif