vtkStringToImage.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkStringToImage.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 vtkStringToImage_h
#define vtkStringToImage_h
 
#include "vtkObject.h"
#include "vtkRenderingCoreModule.h" // For export macro
 
class vtkStdString;
class vtkUnicodeString;
class vtkTextProperty;
class vtkImageData;
class vtkVector2i;
 
class VTKRENDERINGCORE_EXPORT vtkStringToImage : public vtkObject
{
public:
  vtkTypeMacro(vtkStringToImage, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  virtual vtkVector2i GetBounds(
    vtkTextProperty* property, const vtkUnicodeString& string, int dpi) = 0;
  virtual vtkVector2i GetBounds(vtkTextProperty* property, const vtkStdString& string, int dpi) = 0;
 
 
  virtual int RenderString(vtkTextProperty* property, const vtkUnicodeString& string, int dpi,
    vtkImageData* data, int textDims[2] = nullptr) = 0;
  virtual int RenderString(vtkTextProperty* property, const vtkStdString& string, int dpi,
    vtkImageData* data, int text_dims[2] = nullptr) = 0;
 
  virtual void SetScaleToPowerOfTwo(bool scale);
  vtkGetMacro(ScaleToPowerOfTwo, bool);
 
protected:
  vtkStringToImage();
  ~vtkStringToImage() override;
 
  bool Antialias;
  bool ScaleToPowerOfTwo;
 
private:
  vtkStringToImage(const vtkStringToImage&) = delete;
  void operator=(const vtkStringToImage&) = delete;
};
 
#endif // vtkStringToImage_h