From b2504af4da9d3c2c902a5c1221be3c076c4aff86 Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@qt.io>
Date: Thu, 16 Jul 2020 10:05:18 +0200
Subject: QtGui/Windows: Move the QRegion conversion functions into QtGui
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Task-number: QTBUG-81876
Change-Id: I2297291a4157e7015f499b0a6127301d9cb58526
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
---
 tests/auto/gui/painting/qregion/tst_qregion.cpp | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'tests/auto/gui/painting/qregion/tst_qregion.cpp')

diff --git a/tests/auto/gui/painting/qregion/tst_qregion.cpp b/tests/auto/gui/painting/qregion/tst_qregion.cpp
index 93d2baf332..dc694e1107 100644
--- a/tests/auto/gui/painting/qregion/tst_qregion.cpp
+++ b/tests/auto/gui/painting/qregion/tst_qregion.cpp
@@ -35,6 +35,10 @@
 #include <qpainterpath.h>
 #include <qpolygon.h>
 
+#ifdef Q_OS_WIN
+#  include <qt_windows.h>
+#endif
+
 class tst_QRegion : public QObject
 {
     Q_OBJECT
@@ -86,6 +90,10 @@ private slots:
     void regionToPath_data();
     void regionToPath();
 #endif
+
+#ifdef Q_OS_WIN
+    void winConversion();
+#endif
 };
 
 tst_QRegion::tst_QRegion()
@@ -1061,7 +1069,21 @@ void tst_QRegion::regionToPath()
         QCOMPARE(a.boundingRect(), b.boundingRect());
     }
 }
-#endif
+#endif // QT_BUILD_INTERNAL
+
+#ifdef Q_OS_WIN
+void tst_QRegion::winConversion()
+{
+    const QList<QRect> rects{QRect(10, 10, 10, 10), QRect(10, 20, 10, 10),
+                             QRect(30, 20, 10, 10), QRect(10, 30, 10, 10)};
+    QRegion region;
+    region.setRects(rects.constData(), rects.size());
+    auto hrgn = region.toHRGN();
+    QVERIFY(hrgn);
+    QRegion convertedBack = QRegion::fromHRGN(hrgn);
+    QCOMPARE(region, convertedBack);
+}
+#endif // Q_OS_WIN
 
 QTEST_MAIN(tst_QRegion)
 #include "tst_qregion.moc"
-- 
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