vtkDynamic2DLabelMapper.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#ifndef vtkDynamic2DLabelMapper_h
#define vtkDynamic2DLabelMapper_h

#include "vtkLabeledDataMapper.h"
#include "vtkRenderingLabelModule.h" // For export macro
#include "vtkWrappingHints.h"        // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGLABEL_EXPORT VTK_MARSHALAUTO vtkDynamic2DLabelMapper : public vtkLabeledDataMapper
{
public:

  static vtkDynamic2DLabelMapper* New();
  vtkTypeMacro(vtkDynamic2DLabelMapper, vtkLabeledDataMapper);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void SetPriorityArrayName(const char* name);


  vtkSetMacro(ReversePriority, bool);
  vtkGetMacro(ReversePriority, bool);
  vtkBooleanMacro(ReversePriority, bool);


  vtkSetMacro(LabelHeightPadding, float);
  vtkGetMacro(LabelHeightPadding, float);


  vtkSetMacro(LabelWidthPadding, float);
  vtkGetMacro(LabelWidthPadding, float);


  void RenderOpaqueGeometry(vtkViewport* viewport, vtkActor2D* actor) override;
  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor) override;

protected:
  vtkDynamic2DLabelMapper();
  ~vtkDynamic2DLabelMapper() override;

  double GetCurrentScale(vtkViewport* viewport);

  void BuildLabelsInternal(vtkDataSet* input) override;

  float* LabelWidth;
  float* LabelHeight;
  float* Cutoff;
  float ReferenceScale;
  float LabelHeightPadding;
  float LabelWidthPadding;

  bool ReversePriority;

private:
  vtkDynamic2DLabelMapper(const vtkDynamic2DLabelMapper&) = delete;
  void operator=(const vtkDynamic2DLabelMapper&) = delete;

  struct vtkDynamic2DLabelMapperFormatter;
};

VTK_ABI_NAMESPACE_END
#endif