[TextServer] Add support for retrieving OpenType name strings.

doc/classes/Font.xml

@@ -215,6 +215,12 @@
 				Returns a set of OpenType feature tags. More info: [url=https://docs.microsoft.com/en-us/typography/opentype/spec/featuretags]OpenType feature tags[/url].
 			</description>
 		</method>
+		<method name="get_ot_name_strings" qualifiers="const">
+			<return type="Dictionary" />
+			<description>
+				Returns [Dictionary] with OpenType font name strings (localized font names, version, description, license information, sample text, etc.).
+			</description>
+		</method>
 		<method name="get_rids" qualifiers="const">
 			<return type="RID[]" />
 			<description>

doc/classes/TextServer.xml

@@ -334,6 +334,13 @@
 				Returns font OpenType feature set override.
 			</description>
 		</method>
+		<method name="font_get_ot_name_strings" qualifiers="const">
+			<return type="Dictionary" />
+			<param index="0" name="font_rid" type="RID" />
+			<description>
+				Returns [Dictionary] with OpenType font name strings (localized font names, version, description, license information, sample text, etc.).
+			</description>
+		</method>
 		<method name="font_get_oversampling" qualifiers="const">
 			<return type="float" />
 			<param index="0" name="font_rid" type="RID" />

doc/classes/TextServerExtension.xml

@@ -287,6 +287,12 @@
 			<description>
 			</description>
 		</method>
+		<method name="_font_get_ot_name_strings" qualifiers="virtual const">
+			<return type="Dictionary" />
+			<param index="0" name="font_rid" type="RID" />
+			<description>
+			</description>
+		</method>
 		<method name="_font_get_oversampling" qualifiers="virtual const">
 			<return type="float" />
 			<param index="0" name="font_rid" type="RID" />

modules/text_server_adv/text_server_adv.cpp

@@ -2017,6 +2017,119 @@ String TextServerAdvanced::_font_get_name(const RID &p_font_rid) const {
 	return fd->font_name;
 }
 
+Dictionary TextServerAdvanced::_font_get_ot_name_strings(const RID &p_font_rid) const {
+	FontAdvanced *fd = font_owner.get_or_null(p_font_rid);
+	ERR_FAIL_COND_V(!fd, Dictionary());
+
+	MutexLock lock(fd->mutex);
+	Vector2i size = _get_size(fd, 16);
+	ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), Dictionary());
+
+	hb_face_t *hb_face = hb_font_get_face(fd->cache[size]->hb_handle);
+
+	unsigned int num_entries = 0;
+	const hb_ot_name_entry_t *names = hb_ot_name_list_names(hb_face, &num_entries);
+	HashMap<String, Dictionary> names_for_lang;
+	for (unsigned int i = 0; i < num_entries; i++) {
+		String name;
+		switch (names[i].name_id) {
+			case HB_OT_NAME_ID_COPYRIGHT: {
+				name = "copyright";
+			} break;
+			case HB_OT_NAME_ID_FONT_FAMILY: {
+				name = "family_name";
+			} break;
+			case HB_OT_NAME_ID_FONT_SUBFAMILY: {
+				name = "subfamily_name";
+			} break;
+			case HB_OT_NAME_ID_UNIQUE_ID: {
+				name = "unique_identifier";
+			} break;
+			case HB_OT_NAME_ID_FULL_NAME: {
+				name = "full_name";
+			} break;
+			case HB_OT_NAME_ID_VERSION_STRING: {
+				name = "version";
+			} break;
+			case HB_OT_NAME_ID_POSTSCRIPT_NAME: {
+				name = "postscript_name";
+			} break;
+			case HB_OT_NAME_ID_TRADEMARK: {
+				name = "trademark";
+			} break;
+			case HB_OT_NAME_ID_MANUFACTURER: {
+				name = "manufacturer";
+			} break;
+			case HB_OT_NAME_ID_DESIGNER: {
+				name = "designer";
+			} break;
+			case HB_OT_NAME_ID_DESCRIPTION: {
+				name = "description";
+			} break;
+			case HB_OT_NAME_ID_VENDOR_URL: {
+				name = "vendor_url";
+			} break;
+			case HB_OT_NAME_ID_DESIGNER_URL: {
+				name = "designer_url";
+			} break;
+			case HB_OT_NAME_ID_LICENSE: {
+				name = "license";
+			} break;
+			case HB_OT_NAME_ID_LICENSE_URL: {
+				name = "license_url";
+			} break;
+			case HB_OT_NAME_ID_TYPOGRAPHIC_FAMILY: {
+				name = "typographic_family_name";
+			} break;
+			case HB_OT_NAME_ID_TYPOGRAPHIC_SUBFAMILY: {
+				name = "typographic_subfamily_name";
+			} break;
+			case HB_OT_NAME_ID_MAC_FULL_NAME: {
+				name = "full_name_macos";
+			} break;
+			case HB_OT_NAME_ID_SAMPLE_TEXT: {
+				name = "sample_text";
+			} break;
+			case HB_OT_NAME_ID_CID_FINDFONT_NAME: {
+				name = "cid_findfont_name";
+			} break;
+			case HB_OT_NAME_ID_WWS_FAMILY: {
+				name = "weight_width_slope_family_name";
+			} break;
+			case HB_OT_NAME_ID_WWS_SUBFAMILY: {
+				name = "weight_width_slope_subfamily_name";
+			} break;
+			case HB_OT_NAME_ID_LIGHT_BACKGROUND: {
+				name = "light_background_palette";
+			} break;
+			case HB_OT_NAME_ID_DARK_BACKGROUND: {
+				name = "dark_background_palette";
+			} break;
+			case HB_OT_NAME_ID_VARIATIONS_PS_PREFIX: {
+				name = "postscript_name_prefix";
+			} break;
+			default: {
+				name = vformat("unknown_%d", names[i].name_id);
+			} break;
+		}
+		String text;
+		unsigned int text_size = hb_ot_name_get_utf32(hb_face, names[i].name_id, names[i].language, nullptr, nullptr) + 1;
+		text.resize(text_size);
+		hb_ot_name_get_utf32(hb_face, names[i].name_id, names[i].language, &text_size, (uint32_t *)text.ptrw());
+		if (!text.is_empty()) {
+			Dictionary &id_string = names_for_lang[String(hb_language_to_string(names[i].language))];
+			id_string[name] = text;
+		}
+	}
+
+	Dictionary out;
+	for (const KeyValue<String, Dictionary> &E : names_for_lang) {
+		out[E.key] = E.value;
+	}
+
+	return out;
+}
+
 void TextServerAdvanced::_font_set_antialiasing(const RID &p_font_rid, TextServer::FontAntialiasing p_antialiasing) {
 	FontAdvanced *fd = font_owner.get_or_null(p_font_rid);
 	ERR_FAIL_COND(!fd);

modules/text_server_adv/text_server_adv.h

@@ -714,6 +714,7 @@ public:
 
 	MODBIND2(font_set_name, const RID &, const String &);
 	MODBIND1RC(String, font_get_name, const RID &);
+	MODBIND1RC(Dictionary, font_get_ot_name_strings, const RID &);
 
 	MODBIND2(font_set_antialiasing, const RID &, TextServer::FontAntialiasing);
 	MODBIND1RC(TextServer::FontAntialiasing, font_get_antialiasing, const RID &);

scene/resources/font.cpp

@@ -62,6 +62,7 @@ void Font::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("get_font_name"), &Font::get_font_name);
 	ClassDB::bind_method(D_METHOD("get_font_style_name"), &Font::get_font_style_name);
+	ClassDB::bind_method(D_METHOD("get_ot_name_strings"), &Font::get_ot_name_strings);
 	ClassDB::bind_method(D_METHOD("get_font_style"), &Font::get_font_style);
 	ClassDB::bind_method(D_METHOD("get_font_weight"), &Font::get_font_weight);
 	ClassDB::bind_method(D_METHOD("get_font_stretch"), &Font::get_font_stretch);
@@ -243,6 +244,10 @@ String Font::get_font_name() const {
 	return TS->font_get_name(_get_rid());
 }
 
+Dictionary Font::get_ot_name_strings() const {
+	return TS->font_get_ot_name_strings(_get_rid());
+}
+
 String Font::get_font_style_name() const {
 	return TS->font_get_style_name(_get_rid());
 }

scene/resources/font.h

@@ -126,6 +126,7 @@ public:
 
 	virtual String get_font_name() const;
 	virtual String get_font_style_name() const;
+	virtual Dictionary get_ot_name_strings() const;
 	virtual BitField<TextServer::FontStyle> get_font_style() const;
 	virtual int get_font_weight() const;
 	virtual int get_font_stretch() const;

servers/text/text_server_extension.cpp

@@ -65,6 +65,7 @@ void TextServerExtension::_bind_methods() {
 
 	GDVIRTUAL_BIND(_font_set_name, "font_rid", "name");
 	GDVIRTUAL_BIND(_font_get_name, "font_rid");
+	GDVIRTUAL_BIND(_font_get_ot_name_strings, "font_rid");
 
 	GDVIRTUAL_BIND(_font_set_style_name, "font_rid", "name_style");
 	GDVIRTUAL_BIND(_font_get_style_name, "font_rid");
@@ -476,6 +477,12 @@ String TextServerExtension::font_get_name(const RID &p_font_rid) const {
 	return ret;
 }
 
+Dictionary TextServerExtension::font_get_ot_name_strings(const RID &p_font_rid) const {
+	Dictionary ret;
+	GDVIRTUAL_CALL(_font_get_ot_name_strings, p_font_rid, ret);
+	return ret;
+}
+
 void TextServerExtension::font_set_antialiasing(const RID &p_font_rid, TextServer::FontAntialiasing p_antialiasing) {
 	GDVIRTUAL_CALL(_font_set_antialiasing, p_font_rid, p_antialiasing);
 }

servers/text/text_server_extension.h

@@ -101,8 +101,10 @@ public:
 
 	virtual void font_set_name(const RID &p_font_rid, const String &p_name) override;
 	virtual String font_get_name(const RID &p_font_rid) const override;
+	virtual Dictionary font_get_ot_name_strings(const RID &p_font_rid) const override;
 	GDVIRTUAL2(_font_set_name, RID, const String &);
 	GDVIRTUAL1RC(String, _font_get_name, RID);
+	GDVIRTUAL1RC(Dictionary, _font_get_ot_name_strings, RID);
 
 	virtual void font_set_style_name(const RID &p_font_rid, const String &p_name) override;
 	virtual String font_get_style_name(const RID &p_font_rid) const override;

servers/text_server.cpp

@@ -219,6 +219,7 @@ void TextServer::_bind_methods() {
 
 	ClassDB::bind_method(D_METHOD("font_set_name", "font_rid", "name"), &TextServer::font_set_name);
 	ClassDB::bind_method(D_METHOD("font_get_name", "font_rid"), &TextServer::font_get_name);
+	ClassDB::bind_method(D_METHOD("font_get_ot_name_strings", "font_rid"), &TextServer::font_get_ot_name_strings);
 
 	ClassDB::bind_method(D_METHOD("font_set_style_name", "font_rid", "name"), &TextServer::font_set_style_name);
 	ClassDB::bind_method(D_METHOD("font_get_style_name", "font_rid"), &TextServer::font_get_style_name);

servers/text_server.h

@@ -251,6 +251,7 @@ public:
 
 	virtual void font_set_name(const RID &p_font_rid, const String &p_name) = 0;
 	virtual String font_get_name(const RID &p_font_rid) const = 0;
+	virtual Dictionary font_get_ot_name_strings(const RID &p_font_rid) const { return Dictionary(); }
 
 	virtual void font_set_style_name(const RID &p_font_rid, const String &p_name) = 0;
 	virtual String font_get_style_name(const RID &p_font_rid) const = 0;