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[hb-info] Add --direction, --script, --language

This commit is contained in:
Behdad Esfahbod 2023-01-19 17:24:05 -07:00
parent 66692c82e9
commit 4baf0ada69
1 changed files with 39 additions and 7 deletions
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46
util/hb-info.cc
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@ -36,7 +36,22 @@ struct info_t
{
void add_options (option_parser_t *parser)
{
GOptionEntry entries[] =
GOptionEntry misc_entries[] =
{
{"direction", 0, 0, G_OPTION_ARG_STRING, &this->direction_str, "Set direction (default: ltr)", "ltr/rtl/ttb/btt"},
{"language", 0, 0, G_OPTION_ARG_STRING, &this->language_str, "Set language (default: $LANG)", "BCP 47 tag"},
{"script", 0, 0, G_OPTION_ARG_STRING, &this->script_str, "Set script (default: none)", "ISO-15924 tag"},
{nullptr}
};
parser->add_group (misc_entries,
"misc",
"Miscellaneaous options:",
"Miscellaneaous options affecting queries",
this,
false /* We add below. */);
GOptionEntry query_entries[] =
{
{"all", 'a', 0, G_OPTION_ARG_NONE, &this->all, "Show everything", nullptr},
@ -67,7 +82,7 @@ struct info_t
{nullptr}
};
parser->add_group (entries,
parser->add_group (query_entries,
"query",
"Query options:",
"Options to query the font instance",
@ -82,6 +97,10 @@ struct info_t
hb_bool_t verbose = true;
hb_bool_t first_item = true;
char *direction_str = nullptr;
char *script_str = nullptr;
char *language_str = nullptr;
hb_bool_t all = false;
hb_bool_t show_all = false;
@ -201,7 +220,9 @@ struct info_t
printf ("%s: ", label);
}
auto language = hb_language_get_default (); // TODO
auto language = hb_language_get_default ();
if (language_str)
language = hb_language_from_string (language_str, -1);
char name[128];
unsigned name_len = sizeof name;
@ -274,7 +295,9 @@ struct info_t
void _show_extents ()
{
hb_direction_t direction = HB_DIRECTION_LTR; // TODO
hb_direction_t direction = HB_DIRECTION_LTR;
if (direction_str)
direction = hb_direction_from_string (direction_str, -1);
hb_font_extents_t extents;
hb_font_get_extents_for_direction (font, direction, &extents);
@ -298,7 +321,9 @@ struct info_t
printf ("Id Text\n------------\n");
}
auto language = hb_language_get_default (); // TODO
auto language = hb_language_get_default ();
if (language_str)
language = hb_language_from_string (language_str, -1);
unsigned count;
const auto *entries = hb_ot_name_list_names (face, &count);
@ -491,7 +516,11 @@ struct info_t
}
hb_tag_t table_tags[] = {HB_OT_TAG_GSUB, HB_OT_TAG_GPOS, HB_TAG_NONE};
auto language = hb_language_get_default (); // TODO
auto language = hb_language_get_default ();
if (language_str)
language = hb_language_from_string (language_str, -1);
hb_set_t *features = hb_set_create ();
for (unsigned int i = 0; table_tags[i]; i++)
@ -565,7 +594,10 @@ struct info_t
axes = (hb_ot_var_axis_info_t *) calloc (count, sizeof (hb_ot_var_axis_info_t));
hb_ot_var_get_axis_infos (face, 0, &count, axes);
auto language = hb_language_get_default (); // TODO
auto language = hb_language_get_default ();
if (language_str)
language = hb_language_from_string (language_str, -1);
bool has_hidden = false;
if (verbose && count)