Fix re-set map items rendering stale geometry

Geometries are now cleared if data is invalid, before early return.

Task-number: QTBUG-66758
Change-Id: Ie89248f78b5fd817a33ed5d6ff56b3547d64a50b
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 8 insertions, 2 deletions

diff --git a/src/location/declarativemaps/qdeclarativerectanglemapitem.cpp b/src/location/declarativemaps/qdeclarativerectanglemapitem.cpp
index 0206ac96..54706ad7 100644
--- a/src/location/declarativemaps/qdeclarativerectanglemapitem.cpp
+++ b/src/location/declarativemaps/qdeclarativerectanglemapitem.cpp
@@ -273,9 +273,15 @@ QSGNode *QDeclarativeRectangleMapItem::updateMapItemPaintNode(QSGNode *oldNode,
 */
 void QDeclarativeRectangleMapItem::updatePolish()
 {
-    if (!map() || !topLeft().isValid() || !bottomRight().isValid()
-            || map()->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator)
+    if (!map() || map()->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator)
         return;
+    if (!topLeft().isValid() || !bottomRight().isValid()) {
+        geometry_.clear();
+        borderGeometry_.clear();
+        setWidth(0);
+        setHeight(0);
+        return;
+    }
 
     const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(map()->geoProjection());