Exemple #1
0
int
FTPickMapping(char *xlfd, int length, char *filename, FT_Face face,
              FTMappingPtr tm)
{
    FontEncPtr encoding;
    FontMapPtr mapping;
    FT_CharMap cmap;
    int ftrc;
    int symbol = 0;
    const char *enc, *reg;
    char *encoding_name = 0;
    char buf[20];

    if(xlfd)
      encoding_name = FontEncFromXLFD(xlfd, length);
    if(!encoding_name)
        encoding_name = "iso8859-1";

    symbol = FTEncFontSpecific(encoding_name);

#if XFONT_BDFFORMAT
    ftrc = FT_Get_BDF_Charset_ID(face, &enc, &reg);
#else
    ftrc = -1;
#endif
    if(ftrc == 0) {
        /* Disable reencoding for non-Unicode fonts.  This will
           currently only work for BDFs. */
        if(strlen(enc) + strlen(reg) > 18)
            goto native;
        strcpy(buf, enc);
        strcat(buf, "-");
        strcat(buf, reg);
        ErrorF("%s %s\n", buf, encoding_name);
        if(strcasecmp(buf, "iso10646-1") != 0) {
            if(strcasecmp(buf, encoding_name) == 0)
                goto native;
            return BadFontFormat;
        }
    } else if(symbol) {
        ftrc = FT_Select_Charmap(face, ft_encoding_adobe_custom);
        if(ftrc == 0)
            goto native;
    }

    encoding = FontEncFind(encoding_name, filename);
    if(symbol && encoding == NULL)
        encoding = FontEncFind("microsoft-symbol", filename);
    if(encoding == NULL) {
        ErrorF("FreeType: couldn't find encoding '%s' for '%s'\n",
               encoding_name, filename);
        return BadFontName;
    }

    if(FT_Has_PS_Glyph_Names(face)) {
        for(mapping = encoding->mappings; mapping; mapping = mapping->next) {
            if(mapping->type == FONT_ENCODING_POSTSCRIPT) {
                tm->named = 1;
                tm->base = 0;
                tm->mapping = mapping;
                return Successful;
            }
        }
    }
    
    for(mapping = encoding->mappings; mapping; mapping = mapping->next) {
        if(find_cmap(mapping->type, mapping->pid, mapping->eid, face, 
                     &cmap)) {
            tm->named = 0;
            tm->cmap = cmap;
            if(symbol) {
                /* deal with an undocumented ``feature'' of the
                   Microsft-Symbol cmap */
                TT_OS2 *os2;
                os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2);
                if(os2)
                    tm->base = os2->usFirstCharIndex - 0x20;
                else
                    tm->base = 0;
            } else
                tm->base = 0;
            tm->mapping = mapping;
            return Successful;
        }
    }
    
    return BadFontFormat;

  native:
    tm->named = 0;
    tm->cmap = face->charmap;
    tm->base = 0;
    tm->mapping = NULL;
    return Successful;
}
Exemple #2
0
char *
font_encoding_from_xlfd(const char * name, int length)
{
    return FontEncFromXLFD(name, length);
}