Commit c63715cf authored by Kenichi Handa's avatar Kenichi Handa
Browse files

(struct font_driver): New member get_variation_glyphs.

parent ee946858
......@@ -653,8 +653,18 @@ struct font_driver
/* Optional.
If FONT is usable on frame F, return 0. Otherwise return -1.
This method is used only for debugging. If this method is NULL,
Emacs assumes that the font is usable on any frame. */
int (*check) P_ ((FRAME_PTR F, struct font *font));
/* Optional.
Return the number of variation glyphs of character C supported by
FONT. VARIATIONS is an array of 256 elements. If the variation
selector N (1..256) defines a glyph, that glyph code is stored in
the (N-1)th element of VARIATIONS. */
int (*get_variation_glyphs) P_ ((struct font *font,
int c, unsigned variations[256]));
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