[Font] Add an import option to pre-render all glyphs required for the translation.

core/string/optimized_translation.cpp

@@ -267,6 +267,39 @@ StringName OptimizedTranslation::get_message(const StringName &p_src_text, const
 	}
 }
 
+Vector<String> OptimizedTranslation::get_translated_message_list() const {
+	Vector<String> msgs;
+
+	const int *htr = hash_table.ptr();
+	const uint32_t *htptr = (const uint32_t *)&htr[0];
+	const int *btr = bucket_table.ptr();
+	const uint32_t *btptr = (const uint32_t *)&btr[0];
+	const uint8_t *sr = strings.ptr();
+	const char *sptr = (const char *)&sr[0];
+
+	for (int i = 0; i < hash_table.size(); i++) {
+		uint32_t p = htptr[i];
+		if (p != 0xFFFFFFFF) {
+			const Bucket &bucket = *(const Bucket *)&btptr[p];
+			for (int j = 0; j < bucket.size; j++) {
+				if (bucket.elem[j].comp_size == bucket.elem[j].uncomp_size) {
+					String rstr;
+					rstr.parse_utf8(&sptr[bucket.elem[j].str_offset], bucket.elem[j].uncomp_size);
+					msgs.push_back(rstr);
+				} else {
+					CharString uncomp;
+					uncomp.resize(bucket.elem[j].uncomp_size + 1);
+					smaz_decompress(&sptr[bucket.elem[j].str_offset], bucket.elem[j].comp_size, uncomp.ptrw(), bucket.elem[j].uncomp_size);
+					String rstr;
+					rstr.parse_utf8(uncomp.get_data());
+					msgs.push_back(rstr);
+				}
+			}
+		}
+	}
+	return msgs;
+}
+
 StringName OptimizedTranslation::get_plural_message(const StringName &p_src_text, const StringName &p_plural_text, int p_n, const StringName &p_context) const {
 	// The use of plurals translation is not yet supported in OptimizedTranslation.
 	return get_message(p_src_text, p_context);

core/string/optimized_translation.h

@@ -81,6 +81,7 @@ protected:
 public:
 	virtual StringName get_message(const StringName &p_src_text, const StringName &p_context = "") const override; //overridable for other implementations
 	virtual StringName get_plural_message(const StringName &p_src_text, const StringName &p_plural_text, int p_n, const StringName &p_context = "") const override;
+	virtual Vector<String> get_translated_message_list() const override;
 	void generate(const Ref<Translation> &p_from);
 
 	OptimizedTranslation() {}

core/string/translation.cpp

@@ -59,6 +59,18 @@ Vector<String> Translation::_get_message_list() const {
 	return msgs;
 }
 
+Vector<String> Translation::get_translated_message_list() const {
+	Vector<String> msgs;
+	msgs.resize(translation_map.size());
+	int idx = 0;
+	for (const KeyValue<StringName, StringName> &E : translation_map) {
+		msgs.set(idx, E.value);
+		idx += 1;
+	}
+
+	return msgs;
+}
+
 void Translation::_set_messages(const Dictionary &p_messages) {
 	List<Variant> keys;
 	p_messages.get_key_list(&keys);
@@ -140,6 +152,7 @@ void Translation::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_plural_message", "src_message", "src_plural_message", "n", "context"), &Translation::get_plural_message, DEFVAL(""));
 	ClassDB::bind_method(D_METHOD("erase_message", "src_message", "context"), &Translation::erase_message, DEFVAL(""));
 	ClassDB::bind_method(D_METHOD("get_message_list"), &Translation::_get_message_list);
+	ClassDB::bind_method(D_METHOD("get_translated_message_list"), &Translation::get_translated_message_list);
 	ClassDB::bind_method(D_METHOD("get_message_count"), &Translation::get_message_count);
 	ClassDB::bind_method(D_METHOD("_set_messages", "messages"), &Translation::_set_messages);
 	ClassDB::bind_method(D_METHOD("_get_messages"), &Translation::_get_messages);

core/string/translation.h

@@ -64,6 +64,7 @@ public:
 	virtual void erase_message(const StringName &p_src_text, const StringName &p_context = "");
 	virtual void get_message_list(List<StringName> *r_messages) const;
 	virtual int get_message_count() const;
+	virtual Vector<String> get_translated_message_list() const;
 
 	Translation() {}
 };

core/string/translation_po.cpp

@@ -103,6 +103,23 @@ void TranslationPO::_set_messages(const Dictionary &p_messages) {
 	}
 }
 
+Vector<String> TranslationPO::get_translated_message_list() const {
+	Vector<String> msgs;
+	for (const KeyValue<StringName, HashMap<StringName, Vector<StringName>>> &E : translation_map) {
+		if (E.key != StringName()) {
+			continue;
+		}
+
+		for (const KeyValue<StringName, Vector<StringName>> &E2 : E.value) {
+			for (const StringName &E3 : E2.value) {
+				msgs.push_back(E3);
+			}
+		}
+	}
+
+	return msgs;
+}
+
 Vector<String> TranslationPO::_get_message_list() const {
 	// Return all keys in translation_map.
 

core/string/translation_po.h

@@ -70,6 +70,7 @@ protected:
 	static void _bind_methods();
 
 public:
+	Vector<String> get_translated_message_list() const override;
 	void get_message_list(List<StringName> *r_messages) const override;
 	int get_message_count() const override;
 	void add_message(const StringName &p_src_text, const StringName &p_xlated_text, const StringName &p_context = "") override;