Prepare use of pscmap service within CFF module.

* include/freetype/internal/services/svpscmap.h: Include
FT_INTERNAL_OBJECTS_H.
(PS_Unicode_Index_Func): Removed.  Unused.
(PS_Macintosh_Name_Func): Renamed to...
(PS_Macintosh_NameFunc): This.
Update all callers.
(PS_Adobe_Std_Strings_Func): Renamed to...
(PS_Adobe_Std_StringsFunc): This.
Update all callers.
(PS_UnicodesRec): This is the former `PS_Unicodes' structure.
Add `cmap' member.
Update all callers.
(PS_Unicodes): This is now a typedef'd pointer to PS_UnicodesRec.
Update all callers.
(PS_Glyph_NameFunc): New typedef.
(PS_Unicodes_InitFunc): Change arguments to expect a function
and generic data pointer which returns a glyph name from a given
index.

* src/psnames/psmodule.c (ps_unicodes_init, ps_unicodes_char_index,
ps_unicodes_char_next, pscmaps_interface): Updated.

* include/freetype/internal/t1types.h (T1_FaceRec): Updated.

* src/psaux/t1cmap.h (T1_CmapStdRec): Updated.
(T1_CmapUnicode, T1_CmapUnicodeRec): Removed.

* src/psaux/t1cmap.c (t1_get_glyph_name): New callback function.
(t1_cmap_unicode_init, t1_cmap_unicode_done,
t1_cmap_unicode_char_index, t1_cmap_unicode_char_next,
t1_cmap_unicode_class_rec): Updated.

* src/type42/t42types.h (T42_FaceRec): Updated.
7 files changed