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[hb-shape/view] Print named-instances in --list-variations 

Might remove the coordinates.
This commit is contained in:
Behdad Esfahbod 2023-01-15 10:00:26 -07:00
parent 9abc21072b
commit e1a5448306
1 changed files with 29 additions and 1 deletions
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30
util/font-options.hh
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@ -181,7 +181,8 @@ _list_variations (hb_face_t *face)
auto language = hb_language_get_default (); auto language = hb_language_get_default ();
printf ("tag: min default max name\n"); printf ("Non-hidden varitation axes:\n");
printf ("tag: min default max name\n\n");
for (const auto &axis : axes) for (const auto &axis : axes)
{ {
if (axis.flags & HB_OT_VAR_AXIS_FLAG_HIDDEN) if (axis.flags & HB_OT_VAR_AXIS_FLAG_HIDDEN)
@ -202,6 +203,33 @@ _list_variations (hb_face_t *face)
name); name);
} }
count = hb_ot_var_get_named_instance_count (face);
if (count)
{
printf ("\n\nNamed instances: \n\n");
for (unsigned i = 0; i < count; i++)
{
char name[64];
unsigned name_len = sizeof name;
hb_ot_name_id_t name_id = hb_ot_var_named_instance_get_subfamily_name_id (face, i);
hb_ot_name_get_utf8 (face, name_id,
language,
&name_len, name);
unsigned coords_count = hb_ot_var_named_instance_get_design_coords (face, i, nullptr, nullptr);
hb_vector_t<float> coords;
coords.resize (coords_count);
hb_ot_var_named_instance_get_design_coords (face, i, &coords_count, coords.arrayZ);
printf ("%s ", name);
for (unsigned j = 0; j < coords.length; j++)
printf ("%g, ", (double) coords[j]);
printf ("\n");
}
}
exit(0); exit(0);
} }