tfontmanager.h

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#ifndef _TFONTMANAGER_H_
#define _TFONTMANAGER_H_

class TfontManager
{
private:
 struct THFONT
  {
   THFONT(void):hf(NULL),count(0) {}
   THFONT(const LOGFONT &Ilf):lf(Ilf)
    {
     hf=CreateFontIndirect(&lf);
    }
   LOGFONT lf;
   HFONT hf;
   unsigned int count;
   bool operator ==(const LOGFONT &lf1) const
    {
     return memcmp(&lf,&lf1,sizeof(LOGFONT))==0;
    }
   bool operator <(const THFONT &f1) const
    {
     return count<f1.count;
    }
  };
 typedef std::list<THFONT> THFONTs;
 THFONTs fonts;
public:
 ~TfontManager()
  {
   for (THFONTs::iterator f=fonts.begin();f!=fonts.end();f++)
    DeleteObject(f->hf);
  }
 HFONT getFont(const LOGFONT &font)
  {
   THFONTs::iterator f=std::find(fonts.begin(),fonts.end(),font);
   if (f!=fonts.end())
    {
     f->count++;
     return f->hf;
    }
   if (fonts.size()==32)
    fonts.erase(std::min_element(fonts.begin(),fonts.end()));
   fonts.push_back(font);
   return fonts.back().hf;
  }
};

#endif