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[hb-info] Add --show-extents

This commit is contained in:
Behdad Esfahbod 2023-01-19 16:01:29 -07:00
parent 1302a88b25
commit e52a23c5f8
1 changed files with 25 additions and 4 deletions
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29
util/hb-info.cc
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@ -50,6 +50,7 @@ struct info_t
{"show-upem", 0, 0, G_OPTION_ARG_NONE, &this->show_upem, "Show Units-Per-EM", nullptr}, {"show-upem", 0, 0, G_OPTION_ARG_NONE, &this->show_upem, "Show Units-Per-EM", nullptr},
{"show-unicode-count",0, 0, G_OPTION_ARG_NONE, &this->show_unicode_count, "Show Unicode count", nullptr}, {"show-unicode-count",0, 0, G_OPTION_ARG_NONE, &this->show_unicode_count, "Show Unicode count", nullptr},
{"show-glyph-count",0, 0, G_OPTION_ARG_NONE, &this->show_glyph_count, "Show glyph count", nullptr}, {"show-glyph-count",0, 0, G_OPTION_ARG_NONE, &this->show_glyph_count, "Show glyph count", nullptr},
{"show-extents", 0, 0, G_OPTION_ARG_NONE, &this->show_extents, "Show extents", nullptr},
{"list-all", 0, 0, G_OPTION_ARG_NONE, &this->list_all, "List all long information", nullptr}, {"list-all", 0, 0, G_OPTION_ARG_NONE, &this->list_all, "List all long information", nullptr},
{"list-names", 0, 0, G_OPTION_ARG_NONE, &this->list_names, "List names", nullptr}, {"list-names", 0, 0, G_OPTION_ARG_NONE, &this->list_names, "List names", nullptr},
@ -93,6 +94,7 @@ struct info_t
hb_bool_t show_upem = false; hb_bool_t show_upem = false;
hb_bool_t show_unicode_count = false; hb_bool_t show_unicode_count = false;
hb_bool_t show_glyph_count = false; hb_bool_t show_glyph_count = false;
hb_bool_t show_extents = false;
hb_bool_t list_all = false; hb_bool_t list_all = false;
hb_bool_t list_names = false; hb_bool_t list_names = false;
@ -134,6 +136,7 @@ struct info_t
show_upem = show_upem =
show_unicode_count = show_unicode_count =
show_glyph_count = show_glyph_count =
show_extents =
true; true;
first_item = false; first_item = false;
} }
@ -161,6 +164,7 @@ struct info_t
if (show_upem) _show_upem (); if (show_upem) _show_upem ();
if (show_unicode_count)_show_unicode_count (); if (show_unicode_count)_show_unicode_count ();
if (show_glyph_count) _show_glyph_count (); if (show_glyph_count) _show_glyph_count ();
if (show_extents) _show_extents ();
if (list_names) _list_names (); if (list_names) _list_names ();
if (list_tables) _list_tables (); if (list_tables) _list_tables ();
@ -197,7 +201,7 @@ struct info_t
printf ("%s: ", label); printf ("%s: ", label);
} }
auto language = hb_language_get_default (); auto language = hb_language_get_default (); // TODO
char name[128]; char name[128];
unsigned name_len = sizeof name; unsigned name_len = sizeof name;
@ -268,6 +272,23 @@ struct info_t
printf ("%u\n", hb_face_get_glyph_count (face)); printf ("%u\n", hb_face_get_glyph_count (face));
} }
void _show_extents ()
{
hb_direction_t direction = HB_DIRECTION_LTR; // TODO
hb_font_extents_t extents;
hb_font_get_extents_for_direction (font, direction, &extents);
if (verbose) printf ("Ascender: ");
printf ("%d\n", extents.ascender);
if (verbose) printf ("Descender: ");
printf ("%d\n", extents.descender);
if (verbose) printf ("Line gap: ");
printf ("%d\n", extents.line_gap);
}
void _list_names () void _list_names ()
{ {
if (verbose) if (verbose)
@ -277,7 +298,7 @@ struct info_t
printf ("Id Text\n------------\n"); printf ("Id Text\n------------\n");
} }
auto language = hb_language_get_default (); auto language = hb_language_get_default (); // TODO
unsigned count; unsigned count;
const auto *entries = hb_ot_name_list_names (face, &count); const auto *entries = hb_ot_name_list_names (face, &count);
@ -470,7 +491,7 @@ struct info_t
} }
hb_tag_t table_tags[] = {HB_OT_TAG_GSUB, HB_OT_TAG_GPOS, HB_TAG_NONE}; hb_tag_t table_tags[] = {HB_OT_TAG_GSUB, HB_OT_TAG_GPOS, HB_TAG_NONE};
auto language = hb_language_get_default (); auto language = hb_language_get_default (); // TODO
hb_set_t *features = hb_set_create (); hb_set_t *features = hb_set_create ();
for (unsigned int i = 0; table_tags[i]; i++) for (unsigned int i = 0; table_tags[i]; i++)
@ -544,7 +565,7 @@ struct info_t
axes = (hb_ot_var_axis_info_t *) calloc (count, sizeof (hb_ot_var_axis_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); hb_ot_var_get_axis_infos (face, 0, &count, axes);
auto language = hb_language_get_default (); auto language = hb_language_get_default (); // TODO
bool has_hidden = false; bool has_hidden = false;
if (verbose && count) if (verbose && count)