* w32font.h (FONT_HANDLE, FONT_TEXTMETRIC): New macros.

* w32font.h (FONT_HANDLE, FONT_TEXTMETRIC): New macros.

* w32term.c (x_draw_glyph_string_foreground):
(x_draw_composite_glyph_string_foreground): Sync with xterm.c.
Use FONT_HANDLE macro.
(x_draw_glyph_string): Use FONT_TEXTMETRIC macro.

* w32uniscribe.c (uniscribe_otf_capability, uniscribe_shape):
(uniscribe_encode_char): Use FONT_HANDLE macro.

* w32font.c (Fx_select_font): Use FONT_HANDLE macro.
(w32font_text_extents): Use precast w32_font.
(w32font_close): Free cached metrics.
(w32font_open_internal): Allocate space for name on stack.