vtkFreeTypeLabelRenderStrategy.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkFreeTypeLabelRenderStrategy.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 vtkFreeTypeLabelRenderStrategy_h
#define vtkFreeTypeLabelRenderStrategy_h
 
#include "vtkLabelRenderStrategy.h"
#include "vtkRenderingLabelModule.h" // For export macro
 
class vtkActor2D;
class vtkTextRenderer;
class vtkTextMapper;
 
class VTKRENDERINGLABEL_EXPORT vtkFreeTypeLabelRenderStrategy : public vtkLabelRenderStrategy
{
public:
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkTypeMacro(vtkFreeTypeLabelRenderStrategy, vtkLabelRenderStrategy);
  static vtkFreeTypeLabelRenderStrategy* New();
 
  bool SupportsRotation() override { return false; }
 
  bool SupportsBoundedSize() override { return false; }
 
  void ComputeLabelBounds(vtkTextProperty* tprop, vtkStdString label, double bds[4]) override
  {
    this->Superclass::ComputeLabelBounds(tprop, label, bds);
  }
  void ComputeLabelBounds(vtkTextProperty* tprop, vtkUnicodeString label, double bds[4]) override;
 
  void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label) override
  {
    this->Superclass::RenderLabel(x, tprop, label);
  }
  void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label, int width) override
  {
    this->Superclass::RenderLabel(x, tprop, label, width);
  }
  void RenderLabel(int x[2], vtkTextProperty* tprop, vtkUnicodeString label) override;
  using Superclass::RenderLabel;
 
  void ReleaseGraphicsResources(vtkWindow* window) override;
 
protected:
  vtkFreeTypeLabelRenderStrategy();
  ~vtkFreeTypeLabelRenderStrategy() override;
 
  vtkTextRenderer* TextRenderer;
  vtkTextMapper* Mapper;
  vtkActor2D* Actor;
 
private:
  vtkFreeTypeLabelRenderStrategy(const vtkFreeTypeLabelRenderStrategy&) = delete;
  void operator=(const vtkFreeTypeLabelRenderStrategy&) = delete;
};
 
#endif