static FT_Error
tt_size_select( FT_Size size,
FT_ULong strike_index )
{
TT_Face ttface = (TT_Face)size->face;
TT_Size ttsize = (TT_Size)size;
FT_Error error = FT_Err_Ok;
ttsize->strike_index = strike_index;
if ( FT_IS_SCALABLE( size->face ) )
{
/* use the scaled metrics, even when tt_size_reset fails */
FT_Select_Metrics( size->face, strike_index );
tt_size_reset( ttsize );
}
else
{
SFNT_Service sfnt = (SFNT_Service) ttface->sfnt;
FT_Size_Metrics* metrics = &size->metrics;
error = sfnt->load_strike_metrics( ttface, strike_index, metrics );
if ( error )
ttsize->strike_index = 0xFFFFFFFFUL;
}
return error;
}
cff_size_select( FT_Size size,
FT_ULong strike_index )
{
CFF_Size cffsize = (CFF_Size)size;
PSH_Globals_Funcs funcs;
cffsize->strike_index = strike_index;
FT_Select_Metrics( size->face, strike_index );
funcs = cff_size_get_globals_funcs( cffsize );
if ( funcs )
{
CFF_Face face = (CFF_Face)size->face;
CFF_Font font = (CFF_Font)face->extra.data;
CFF_Internal internal = (CFF_Internal)size->internal;
FT_ULong top_upm = font->top_font.font_dict.units_per_em;
FT_UInt i;
funcs->set_scale( internal->topfont,
size->metrics.x_scale, size->metrics.y_scale,
0, 0 );
for ( i = font->num_subfonts; i > 0; i-- )
{
CFF_SubFont sub = font->subfonts[i - 1];
FT_ULong sub_upm = sub->font_dict.units_per_em;
FT_Pos x_scale, y_scale;
if ( top_upm != sub_upm )
{
x_scale = FT_MulDiv( size->metrics.x_scale, top_upm, sub_upm );
y_scale = FT_MulDiv( size->metrics.y_scale, top_upm, sub_upm );
}
else
{
x_scale = size->metrics.x_scale;
y_scale = size->metrics.y_scale;
}
funcs->set_scale( internal->subfonts[i - 1],
x_scale, y_scale, 0, 0 );
}
}
return FT_Err_Ok;
}
