EXPORT_FUNC
TT_Error TT_Load_Kerning_Table( TT_Face face,
TT_UShort kern_index )
{
TT_Error error;
TT_Stream stream;
TT_Kerning* kern;
TT_Kern_Subtable* sub;
PFace faze = HANDLE_Face( face );
if ( !faze )
return TT_Err_Invalid_Face_Handle;
error = TT_Extension_Get( faze, KERNING_ID, (void**)&kern );
if ( error )
return error;
if ( kern->nTables == 0 )
return TT_Err_Table_Missing;
if ( kern_index >= kern->nTables )
return TT_Err_Invalid_Argument;
sub = kern->tables + kern_index;
if ( sub->format != 0 && sub->format != 2 )
return TT_Err_Invalid_Kerning_Table_Format;
/* now access stream */
if ( USE_Stream( faze->stream, stream ) )
return error;
if ( FILE_Seek( sub->offset ) )
goto Fail;
if ( sub->format == 0 )
error = Subtable_Load_0( &sub->t.kern0, faze );
else if ( sub->format == 2 )
error = Subtable_Load_2( &sub->t.kern2, faze );
if ( !error )
sub->loaded = TRUE;
Fail:
/* release stream */
DONE_Stream( stream );
return error;
}
TT_Get_Kerning_Directory( TT_Face face,
TT_Kerning* directory )
{
PFace faze = HANDLE_Face( face );
TT_Error error;
TT_Kerning* kerning;
if ( !faze )
return TT_Err_Invalid_Face_Handle;
/* copy directory header */
error = TT_Extension_Get( faze, KERNING_ID, (void**)&kerning );
if ( !error )
*directory = *kerning;
return error;
}
