From 74b456578063f184838774c54c89a96d7ab90a5b Mon Sep 17 00:00:00 2001 From: Paolo Angelelli Date: Tue, 21 Mar 2017 17:35:05 +0100 Subject: Add parameter to control prefetching in tile-based geoservice plugins Change-Id: I18fc1788f7af0efe76f97257ffe739eb1a96e6cc Reviewed-by: Alex Blasche --- .../geoservices/osm/qgeotiledmappingmanagerengineosm.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/plugins/geoservices/osm') diff --git a/src/plugins/geoservices/osm/qgeotiledmappingmanagerengineosm.cpp b/src/plugins/geoservices/osm/qgeotiledmappingmanagerengineosm.cpp index 0e1fb356..a0fb1a59 100644 --- a/src/plugins/geoservices/osm/qgeotiledmappingmanagerengineosm.cpp +++ b/src/plugins/geoservices/osm/qgeotiledmappingmanagerengineosm.cpp @@ -311,6 +311,17 @@ QGeoTiledMappingManagerEngineOsm::QGeoTiledMappingManagerEngineOsm(const QVarian } setTileFetcher(tileFetcher); + /* PREFETCHING */ + if (parameters.contains(QStringLiteral("osm.mapping.prefetching_style"))) { + const QString prefetchingMode = parameters.value(QStringLiteral("osm.mapping.prefetching_style")).toString(); + if (prefetchingMode == QStringLiteral("TwoNeighbourLayers")) + m_prefetchStyle = QGeoTiledMap::PrefetchTwoNeighbourLayers; + else if (prefetchingMode == QStringLiteral("OneNeighbourLayer")) + m_prefetchStyle = QGeoTiledMap::PrefetchNeighbourLayer; + else if (prefetchingMode == QStringLiteral("NoPrefetching")) + m_prefetchStyle = QGeoTiledMap::NoPrefetching; + } + *error = QGeoServiceProvider::NoError; errorString->clear(); } @@ -324,6 +335,7 @@ QGeoMap *QGeoTiledMappingManagerEngineOsm::createMap() QGeoTiledMap *map = new QGeoTiledMapOsm(this); connect(qobject_cast(tileCache()), &QGeoFileTileCacheOsm::mapDataUpdated , map, &QGeoTiledMap::clearScene); + map->setPrefetchStyle(m_prefetchStyle); return map; } -- cgit v1.2.1