vtkMathTextFreeTypeTextRenderer.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMathTextFreeTypeTextRenderer.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
 
#ifndef vtkMathTextFreeTypeTextRenderer_h
#define vtkMathTextFreeTypeTextRenderer_h
 
#include "vtkRenderingFreeTypeModule.h" // For export macro
#include "vtkTextRenderer.h"
 
class vtkFreeTypeTools;
class vtkMathTextUtilities;
 
class VTKRENDERINGFREETYPE_EXPORT 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 GetBoundingBoxInternal(vtkTextProperty* tprop, const vtkUnicodeString& str, int bbox[4],
    int dpi, int backend) override;
  bool GetMetricsInternal(vtkTextProperty* tprop, const vtkStdString& str, Metrics& metrics,
    int dpi, int backend) override;
  bool GetMetricsInternal(vtkTextProperty* tprop, const vtkUnicodeString& 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;
  bool RenderStringInternal(vtkTextProperty* tprop, const vtkUnicodeString& 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;
  int GetConstrainedFontSizeInternal(const vtkUnicodeString& 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;
  bool StringToPathInternal(vtkTextProperty* tprop, const vtkUnicodeString& 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;
};
 
#endif // vtkMathTextFreeTypeTextRenderer_h