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[hb-info] Add --list-palettes

This commit is contained in:
Behdad Esfahbod 2023-01-20 11:42:51 -07:00
parent 2590578162
commit d811dcdbde
1 changed files with 58 additions and 1 deletions
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59
util/hb-info.cc
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@ -82,6 +82,7 @@ struct info_t
#ifndef HB_NO_VAR
{"list-variations",0, 0, G_OPTION_ARG_NONE, &this->list_variations, "List variations", nullptr},
#endif
{"list-palettes", 0, 0, G_OPTION_ARG_NONE, &this->list_palettes, "List color palettes", nullptr},
{"dump-table", 0, 0, G_OPTION_ARG_STRING, &this->dump_table, "Dump font table", "table tag; eg. 'cmap'"},
@ -138,6 +139,7 @@ struct info_t
#ifndef HB_NO_VAR
hb_bool_t list_variations = false;
#endif
hb_bool_t list_palettes = false;
char *dump_table = nullptr;
@ -191,6 +193,7 @@ struct info_t
#ifndef HB_NO_VAR
list_variations =
#endif
list_palettes =
true;
}
@ -217,6 +220,7 @@ struct info_t
#ifndef HB_NO_VAR
if (list_variations) _list_variations ();
#endif
if (list_palettes) _list_palettes ();
if (dump_table) _dump_table ();
@ -801,7 +805,7 @@ struct info_t
if (verbose)
{
separator ();
printf ("Face variations information:\n\n");
printf ("Variations information:\n\n");
}
hb_ot_var_axis_info_t *axes;
@ -879,6 +883,59 @@ struct info_t
}
#endif
void
_list_palettes ()
{
if (verbose)
{
separator ();
printf ("Color palettes information:\n");
}
{
if (verbose)
{
printf ("\nPalettes:\n\n");
printf ("Index Name\n------------\n");
}
unsigned count = hb_ot_color_palette_get_count (face);
for (unsigned i = 0; i < count; i++)
{
hb_ot_name_id_t name_id = hb_ot_color_palette_get_name_id (face, i);
char name[64];
unsigned name_len = sizeof name;
hb_ot_name_get_utf8 (face, name_id,
language,
&name_len, name);
printf ("%u %s\n", i, name);
}
}
{
if (verbose)
{
printf ("\nColors:\n\n");
printf ("Index Name\n------------\n");
}
unsigned count = hb_ot_color_palette_get_colors (face, 0, 0, nullptr, nullptr);
for (unsigned i = 0; i < count; i++)
{
hb_ot_name_id_t name_id = hb_ot_color_palette_color_get_name_id (face, i);
char name[64];
unsigned name_len = sizeof name;
hb_ot_name_get_utf8 (face, name_id,
language,
&name_len, name);
printf ("%u %s\n", i, name);
}
}
}
void
_dump_table ()
{