diff -r 171d3f9638a9 -r b2914aaeec1a src/polygoncache.cpp
--- a/src/polygoncache.cpp	Mon Apr 10 14:21:17 2023 +0300
+++ b/src/polygoncache.cpp	Mon Apr 10 14:25:19 2023 +0300
@@ -82,7 +82,7 @@
 template<typename Fn, typename Fn2>
 static void collectPolygons(
 	const ParsedLine& element,
-	Winding& winding,
+	winding_e& winding,
 	GetPolygonsContext* context,
 	Fn&& add,
 	Fn2&& reserve)
@@ -96,13 +96,13 @@
 				foundinvertnext = true;
 			}
 			else if (text == QStringLiteral("BFC CERTIFY CW")) {
-				winding = Clockwise;
+				winding = winding_e::clockwise;
 			}
 			else if (text == QStringLiteral("BFC CERTIFY CCW")) {
-				winding = Anticlockwise;
+				winding = winding_e::anticlockwise;
 			}
 			else if (text == QStringLiteral("BFC NOCERTIFY")) {
-				winding = NoWinding;
+				winding = winding_e::none;
 			}
 		},
 		[&](const LineType2& line2) {
@@ -147,12 +147,12 @@
 	const QTextDocument* model,
 	GetPolygonsContext* context)
 {
-	Winding winding = NoWinding;
+	winding_e winding = winding_e::none;
 	std::vector<WithId<PolygonElement>> result;
 	int i = 0;
 	const auto add = [&result, &winding, &i](int lineno, const PolygonElement& poly){
 		result.push_back({poly, i});
-		if (lineno != 1 and winding == Winding::Clockwise) {
+		if (lineno != 1 and winding == winding_e::clockwise) {
 			gl::invert(result.back());
 		}
 	};