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[hb-shape/view] List variation sequences in --list-unicodes

This commit is contained in:
Behdad Esfahbod 2023-01-18 19:51:22 -07:00
parent 8564d2266b
commit ea291493d2
1 changed files with 32 additions and 4 deletions
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32
util/font-options.hh
View File

@ -430,9 +430,37 @@ _list_unicodes (hb_font_t *font)
}
hb_map_destroy (cmap);
hb_set_destroy (unicodes);
/* TODO: List variation-selector sequences. */
/* List variation-selector sequences. */
hb_set_t *vars = hb_set_create ();
hb_face_collect_variation_selectors (face, vars);
for (hb_codepoint_t vs = HB_SET_VALUE_INVALID;
hb_set_next (vars, &vs);)
{
hb_set_clear (unicodes);
hb_face_collect_variation_unicodes (face, vs, unicodes);
for (hb_codepoint_t u = HB_SET_VALUE_INVALID;
hb_set_next (unicodes, &u);)
{
hb_codepoint_t gid = 0;
bool b = hb_font_get_variation_glyph (font, u, vs, &gid);
assert (b);
char glyphname[64];
if (!hb_font_get_glyph_name (font, gid,
glyphname, sizeof glyphname))
snprintf (glyphname, sizeof glyphname, "gid%u", gid);
printf ("U+%04X,U+%04X %s\n", vs, u, glyphname);
}
}
hb_set_destroy (vars);
hb_set_destroy (unicodes);
exit(0);
}