diff options
| -rw-r--r-- | src/font.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/font.h b/src/font.h index 12781d95384..a33577cc130 100644 --- a/src/font.h +++ b/src/font.h @@ -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])); }; |