diff --git a/util/font-options.hh b/util/font-options.hh index 657e26450..1aa645d98 100644 --- a/util/font-options.hh +++ b/util/font-options.hh @@ -57,6 +57,7 @@ struct font_options_t : face_options_t hb_bool_t sub_font = false; #ifndef HB_NO_VAR + hb_bool_t list_variations = false; hb_variation_t *variations = nullptr; unsigned int num_variations = 0; #endif @@ -87,6 +88,10 @@ static struct supported_font_funcs_t { }; +#ifndef HB_NO_VAR +static G_GNUC_NORETURN void _list_variations (hb_face_t *face); +#endif + void font_options_t::post_parse (GError **error) { @@ -156,10 +161,50 @@ font_options_t::post_parse (GError **error) hb_font_set_scale (old_font, scale_x * 2, scale_y * 2); hb_font_destroy (old_font); } + +#ifndef HB_NO_VAR + if (list_variations) + _list_variations (face); +#endif } #ifndef HB_NO_VAR +static G_GNUC_NORETURN void +_list_variations (hb_face_t *face) +{ + hb_vector_t axes; + + unsigned count = hb_ot_var_get_axis_infos (face, 0, nullptr, nullptr); + axes.resize (count); + hb_ot_var_get_axis_infos (face, 0, &count, axes.arrayZ); + + auto language = hb_language_get_default (); + + printf ("tag: min default max name\n"); + for (const auto &axis : axes) + { + if (axis.flags & HB_OT_VAR_AXIS_FLAG_HIDDEN) + continue; + + char name[64]; + unsigned name_len = sizeof name; + + hb_ot_name_get_utf8 (face, axis.name_id, + language, + &name_len, name); + + printf ("%c%c%c%c: %g %g %g %s\n", + HB_UNTAG (axis.tag), + (double) axis.min_value, + (double) axis.default_value, + (double) axis.max_value, + name); + } + + exit(0); +} + static gboolean parse_variations (const char *name G_GNUC_UNUSED, const char *arg, @@ -317,6 +362,7 @@ font_options_t::add_options (option_parser_t *parser) GOptionEntry entries2[] = { + {"list-variations", 0, 0, G_OPTION_ARG_NONE, &this->list_variations, "List available font variations and quit", nullptr}, {"variations", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_variations, variations_help, "list"}, {nullptr} };