vtkChartLogoRepresentation.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkChartLogoRepresentation_h
#define vtkChartLogoRepresentation_h

#include "vtkNew.h" // for vtkNew
#include "vtkPVDataRepresentation.h"

class vtkImageItem;

class VTKREMOTINGVIEWS_EXPORT vtkChartLogoRepresentation : public vtkPVDataRepresentation
{
public:
  static vtkChartLogoRepresentation* New();
  vtkTypeMacro(vtkChartLogoRepresentation, vtkPVDataRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  enum
  {
    AnyLocation = 0,
    LowerLeftCorner,
    LowerRightCorner,
    LowerCenter,
    UpperLeftCorner,
    UpperRightCorner,
    UpperCenter
  };
  vtkSetClampMacro(LogoLocation, int, AnyLocation, UpperCenter);


  vtkGetVector2Macro(Position, double);
  vtkSetVector2Macro(Position, double);

  // Superclass overrides
  void SetVisibility(bool val) override;
  int ProcessViewRequest(vtkInformationRequestKey* request_type, vtkInformation* inInfo,
    vtkInformation* outInfo) override;

protected:
  vtkChartLogoRepresentation();
  ~vtkChartLogoRepresentation() override;

  int FillInputPortInformation(int port, vtkInformation* info) override;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  bool AddToView(vtkView* view) override;

  bool RemoveFromView(vtkView* view) override;

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

  void OnInteractionEvent();

  vtkNew<vtkImageItem> ImageItem;
  vtkNew<vtkImageData> PreparedData;
  double Position[2] = { 0.05, 0.05 };
  int LogoLocation = AnyLocation;
};

#endif