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FAQ

LOGFONT structure initialization

There's a lot more to initializing a LOGFONT descriptor than what this code does. Here's a better approach:

void init_logfont_descriptor(LOGFONT     *lf, //)

                             C8          *typeface_name,

                             S32          point_size,

                             F32          escapement,

                             FONT_EFFECTS effects)

   CHARSETINFO csi;


   UINTa curSysCp = GetACP();


   S32 result = TranslateCharsetInfo((DWORD *) curSysCp, &csi, TCI_SRCCODEPAGE);


   memset(lf, 0, sizeof(LOGFONT));


   HDC hSDC = GetDC(NULL);

   lf->lfHeight = -MulDiv(point_size, GetDeviceCaps(hSDC, LOGPIXELSY), 72);

   ReleaseDC(NULL, hSDC);


   lf->lfWidth         = 0;

   lf->lfEscapement    = (S32) (escapement * 10.0F);

   lf->lfOrientation   = (S32) (escapement * 10.0F);

   lf->lfUnderline     = FALSE;

   lf->lfStrikeOut     = FALSE;

   lf->lfCharSet       = csi.ciCharset;

   lf->lfOutPrecision  = OUT_DEFAULT_PRECIS;

   lf->lfClipPrecision = CLIP_DEFAULT_PRECIS;

   lf->lfQuality       = PROOF_QUALITY;

   lf->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;

   strcpy(lf->lfFaceName, typeface_name);

   lf->lfWeight =       (effects & FE_BOLD)   ? FW_BOLD : FW_NORMAL;
   lf->lfItalic = (S8) ((effects & FE_ITALIC) ? TRUE    : FALSE);
}

History

1/31/2008
aimfiz69105

1/31/2008
aimfiz69105