View2DFontQt.h

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/*************************************************************************************
**
** Copyright 2012, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
 
 
#pragma once
 
#include "View2DFont.h"
 
#include <QFont>
 
class View2DShader;
 
class SOVIEW2D_API View2DFontQt : public View2DFont
{
public:
  View2DFontQt();
  ~View2DFontQt() override;
 
  bool   init(const char* fontname = nullptr) override;
 
  int    getFontHeight(float fontSize) const override;
 
  int    getFontAscender(float fontSize) const override;
 
  int    getFontDescender(float fontSize) const override;
 
  int    getStringWidth(float fontSize, const char* string, int len) const override;
 
  void   drawString(float dx, float dy, float fontSize, const float* color, const char* string, int length, bool shadow=true, const float* shadowColor=nullptr, bool flipped=false) override;
 
private:
  static int fontSizeToPixelSize(float fontSize);
 
  QFont _baseFont;
  View2DShader* _haloShader;
};