feat: mirror interfaces of Layout

src/core_ffi/python_ffi/binder/klsk_code.cc

@@ -65,7 +65,7 @@ static void bind_layout(const py::module_ &mod) {
         .def_property_readonly("n_1x1", &PyLayout::n_1x1)
         .def_property_readonly("n_1x2", &PyLayout::n_1x2)
         .def_property_readonly("n_2x1", &PyLayout::n_2x1)
-        .def_property_readonly("n_2x2", &PyLayout::n_2x2) // TODO: return `1` directly
+        .def_property_readonly("n_2x2", [](const PyLayout&) { return 1; })
 
         .def_property_readonly("type_id", &PyLayout::type_id)
         .def_property_readonly("pattern_id", &PyLayout::pattern_id)
@@ -74,6 +74,11 @@ static void bind_layout(const py::module_ &mod) {
         .def_property_readonly("group", &PyLayout::group_info)
         .def_property_readonly("case_info", &PyLayout::case_info)
 
+        .def("to_vertical_mirror", &PyLayout::to_vertical_mirror)
+        .def("to_horizontal_mirror", &PyLayout::to_horizontal_mirror)
+        .def_property_readonly("is_vertical_mirror", &PyLayout::is_vertical_mirror)
+        .def_property_readonly("is_horizontal_mirror", &PyLayout::is_horizontal_mirror)
+
         .def_static("check", py::overload_cast<uint64_t>(&PyLayout::check))
         .def_static("check", py::overload_cast<std::string_view>(&PyLayout::check));
 }

src/core_ffi/python_ffi/include/py_ffi/layout.h

@@ -119,8 +119,20 @@ public:
         return std::get<1>(group::BLOCK_NUM[type_id()]);
     }
 
-    [[nodiscard]] uint8_t n_2x2() const noexcept {
-        return 1;
+    [[nodiscard]] bool is_vertical_mirror() const noexcept {
+        return code_.is_vertical_mirror();
+    }
+
+    [[nodiscard]] bool is_horizontal_mirror() const noexcept {
+        return code_.is_horizontal_mirror();
+    }
+
+    [[nodiscard]] PyLayout to_vertical_mirror() const noexcept {
+        return std::bit_cast<PyLayout>(code_.to_vertical_mirror());
+    }
+
+    [[nodiscard]] PyLayout to_horizontal_mirror() const noexcept {
+        return std::bit_cast<PyLayout>(code_.to_horizontal_mirror());
     }
 
     // ------------------------------------------------------------------------------------- //