vtkMathTextFreeTypeTextRenderer.h

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

 
#ifndef vtkMathTextFreeTypeTextRenderer_h
#define vtkMathTextFreeTypeTextRenderer_h
 
#include "vtkRenderingFreeTypeModule.h" // For export macro
#include "vtkTextRenderer.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkFreeTypeTools;
class vtkMathTextUtilities;
 
class VTKRENDERINGFREETYPE_EXPORT VTK_MARSHALAUTO vtkMathTextFreeTypeTextRenderer
  : public vtkTextRenderer
{
public:
  vtkTypeMacro(vtkMathTextFreeTypeTextRenderer, vtkTextRenderer);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkMathTextFreeTypeTextRenderer* New();


  bool FreeTypeIsSupported() override;
  bool MathTextIsSupported() override;
 
protected:
  vtkMathTextFreeTypeTextRenderer();
  ~vtkMathTextFreeTypeTextRenderer() override;


  bool GetBoundingBoxInternal(
    vtkTextProperty* tprop, const vtkStdString& str, int bbox[4], int dpi, int backend) override;
  bool GetMetricsInternal(vtkTextProperty* tprop, const vtkStdString& str, Metrics& metrics,
    int dpi, int backend) override;
  bool RenderStringInternal(vtkTextProperty* tprop, const vtkStdString& str, vtkImageData* data,
    int textDims[2], int dpi, int backend) override;
  int GetConstrainedFontSizeInternal(const vtkStdString& str, vtkTextProperty* tprop,
    int targetWidth, int targetHeight, int dpi, int backend) override;
  bool StringToPathInternal(
    vtkTextProperty* tprop, const vtkStdString& str, vtkPath* path, int dpi, int backend) override;
  void SetScaleToPowerOfTwoInternal(bool scale) override;
 
private:
  vtkMathTextFreeTypeTextRenderer(const vtkMathTextFreeTypeTextRenderer&) = delete;
  void operator=(const vtkMathTextFreeTypeTextRenderer&) = delete;
 
  vtkFreeTypeTools* FreeTypeTools;
  vtkMathTextUtilities* MathTextUtilities;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkMathTextFreeTypeTextRenderer_h