vtkLegendBoxEntryInternal.h

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

#include "vtkNew.h"
#include "vtkSmartPointer.h"

VTK_ABI_NAMESPACE_BEGIN
class vtkActor2D;
class vtkImageData;
class vtkPlaneSource;
class vtkPolyData;
class vtkPolyDataMapper2D;
class vtkProperty2D;
class vtkTextMapper;
class vtkTextProperty;
class vtkTexturedActor2D;
class vtkTransform;
class vtkTransformFilter;
class vtkViewport;
class vtkWindow;

class vtkLegendBoxEntryInternal
{
public:
  vtkLegendBoxEntryInternal();
  ~vtkLegendBoxEntryInternal();


  bool SetText(const char* text);
  const char* GetText();


  bool SetSymbol(vtkPolyData*);
  vtkPolyData* GetSymbol();

  bool HasSymbol();


  bool SetIcon(vtkImageData*);
  vtkImageData* GetIcon();

  bool HasIcon();


  bool SetColor(double color[3]);
  double* GetColor();


  void ReleaseGraphicsResources(vtkWindow* win);
  int RenderOverlay(vtkViewport*);
  int RenderOpaqueGeometry(vtkViewport*);

  void SetTextPosition(double X, double Y);

  void UpdateIconTransform(int width, int height, double posX, double posY);

  void UpdateSymbolTransform(int width, int height, double posX, double posY);

  void UpdateProperties(bool visibility, vtkProperty2D* prop);

  void CopyTextProperty(vtkTextProperty* prop);

  double* GetSymbolBounds();

  double* GetIconBounds();


  void SetFontSize(int size);
  int SetConstrainedFontSize(vtkViewport* viewport, int size[2]);
  void GetSize(vtkViewport* viewport, int size[2]);

private:
  void UpdateTransform(
    vtkTransform* tranform, double posX, double posY, double bounds[6], int width, int height);

  double GetScale(double bounds[6], int width, int height);

  vtkNew<vtkTextMapper> TextMapper;
  vtkNew<vtkActor2D> TextActor;

  vtkSmartPointer<vtkPolyData> Symbol;
  vtkNew<vtkTransform> Transform;
  vtkNew<vtkTransformFilter> SymbolTransform;
  vtkNew<vtkPolyDataMapper2D> SymbolMapper;
  vtkNew<vtkActor2D> SymbolActor;

  vtkSmartPointer<vtkImageData> IconImage;
  vtkNew<vtkPlaneSource> Icon;
  vtkNew<vtkTransform> IconTransform;
  vtkNew<vtkTransformFilter> IconTransformFilter;
  vtkNew<vtkPolyDataMapper2D> IconMapper;
  vtkNew<vtkTexturedActor2D> IconActor;

  double Color[3] = { -1, -1, -1 };
};

VTK_ABI_NAMESPACE_END

#endif