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(struct font_driver): New member get_variation_glyphs.

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This commit is contained in:
Kenichi Handa 2008-12-30 23:36:56 +00:00
parent ee94685859
commit c63715cf35
1 changed files with 11 additions and 1 deletions
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12
src/font.h
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@ -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]));
};