cff_index_get_sid_string( CFF_Font font,
FT_UInt sid )
{
/* value 0xFFFFU indicates a missing dictionary entry */
if ( sid == 0xFFFFU )
return NULL;
/* if it is not a standard string, return it */
if ( sid > 390 )
return cff_index_get_string( font, sid - 391 );
/* CID-keyed CFF fonts don't have glyph names */
if ( !font->psnames )
return NULL;
/* this is a standard string */
return (FT_String *)font->psnames->adobe_std_strings( sid );
}
static FT_UInt
cff_get_name_index( CFF_Face face,
FT_String* glyph_name )
{
CFF_Font cff;
CFF_Charset charset;
FT_Service_PsCMaps psnames;
FT_String* name;
FT_UShort sid;
FT_UInt i;
cff = (CFF_FontRec *)face->extra.data;
charset = &cff->charset;
FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
if ( !psnames )
return 0;
for ( i = 0; i < cff->num_glyphs; i++ )
{
sid = charset->sids[i];
if ( sid > 390 )
name = cff_index_get_string( cff, sid - 391 );
else
name = (FT_String *)psnames->adobe_std_strings( sid );
if ( !name )
continue;
if ( !ft_strcmp( glyph_name, name ) )
return i;
}
return 0;
}
static FT_UInt
cff_get_name_index( CFF_Face face,
FT_String* glyph_name )
{
CFF_Font cff;
CFF_Charset charset;
FT_Service_PsCMaps psnames;
FT_String* name;
FT_UShort sid;
FT_UInt i;
cff = (CFF_FontRec *)face->extra.data;
charset = &cff->charset;
/* CFF2 table does not have glyph names; */
/* we need to use `post' table method */
if ( cff->version_major == 2 )
{
FT_Library library = FT_FACE_LIBRARY( face );
FT_Module sfnt_module = FT_Get_Module( library, "sfnt" );
FT_Service_GlyphDict service =
(FT_Service_GlyphDict)ft_module_get_service(
sfnt_module,
FT_SERVICE_ID_GLYPH_DICT,
0 );
if ( service && service->name_index )
return service->name_index( FT_FACE( face ), glyph_name );
else
{
FT_ERROR(( "cff_get_name_index:"
" cannot get glyph index from a CFF2 font\n"
" "
" without the `psnames' module\n" ));
return 0;
}
}
FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
if ( !psnames )
return 0;
for ( i = 0; i < cff->num_glyphs; i++ )
{
sid = charset->sids[i];
if ( sid > 390 )
name = cff_index_get_string( cff, sid - 391 );
else
name = (FT_String *)psnames->adobe_std_strings( sid );
if ( !name )
continue;
if ( !ft_strcmp( glyph_name, name ) )
return i;
}
return 0;
}
