FontControl.cpp

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#include <qfontdatabase.h>

#include "FontControl.h"

int FontControl::gzoom()
{
  if (m_fixgraphics)
    {
      return 100;
    }
  else
    {
      int ret;
      if (m_size == g_size)
        {
          ret = m_fontsizes[m_size]*m_basesize;
        }
      else if (g_size < 0)
        {
          int f = -g_size;
          ret = (m_fontsizes[0]*m_basesize) >> (f/2);
          if (f%2) ret = (2*ret/3);
        }
      else
        {
          int f = g_size - m_maxsize + 1;
          ret = (m_fontsizes[m_maxsize-1]*m_basesize) << (f/2);
          if (f%2) ret = (3*ret/2);
        }
      return ret;
    }
}

bool FontControl::ChangeFont(QString& n, int tgt)
{
    QValueList<int>::Iterator it;
    QFontDatabase fdb;
    QValueList<int> sizes = fdb.pointSizes(n);
    if (sizes.count() == 0)
    {
        return false;
    }
    else
    {
        m_fontname = n;
        m_maxsize = sizes.count();
        if (m_fontsizes != NULL) delete [] m_fontsizes;
        m_fontsizes = new int[m_maxsize];
        uint i = 0;
        uint best = 0;
        for (it = sizes.begin(); it != sizes.end(); it++)
        {
#if defined(OPIE) || !defined(USEQPE)
            m_fontsizes[i] = (*it);
#else
            m_fontsizes[i] = (*it)/10;
#endif
            if (abs(tgt-m_fontsizes[i]) < abs(tgt-m_fontsizes[best]))
            {
                best = i;
            }
            i++;
        }
        g_size = m_size = best;
    }
    return true;
}

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