Maps:Added Statkart Topo2 (very useful norwegian topographic map)

This map is an absolute necessary for navigating the northern parts.

src/FlightMap/FlightMapSettings.cc

@@ -32,6 +32,7 @@ void FlightMapSettings::setToolbox(QGCToolbox *toolbox)
 #ifndef QGC_NO_GOOGLE_MAPS
     _supportedMapProviders << "Google";
 #endif
+    _supportedMapProviders << "Statkart";
     _loadSettings();
 }
 
@@ -82,6 +83,8 @@ void FlightMapSettings::_setMapTypesForCurrentProvider(void)
         _mapTypes << "Street Map" << "Satellite Map" << "Hybrid Map";
     } else if (_mapProvider == "Google") {
         _mapTypes << "Street Map" << "Satellite Map" << "Terrain Map";
+    } else if (_mapProvider == "Statkart") {
+        _mapTypes << "Topo2";
     }
 #endif
     emit mapTypesChanged(_mapTypes);

src/QtLocationPlugin/QGCMapEngine.cpp

@@ -51,6 +51,7 @@ stQGeoTileCacheQGCMapTypes kMapTypes[] = {
     {"Bing Street Map",         UrlFactory::BingMap},
     {"Bing Satellite Map",      UrlFactory::BingSatellite},
     {"Bing Hybrid Map",         UrlFactory::BingHybrid},
+    {"Statkart Topo2",          UrlFactory::StatkartTopo},
     {"MapQuest Street Map",     UrlFactory::MapQuestMap},
     {"MapQuest Satellite Map",  UrlFactory::MapQuestSat}
     /*
@@ -463,6 +464,7 @@ QGCMapEngine::concurrentDownloads(UrlFactory::MapType type)
     case UrlFactory::BingMap:
     case UrlFactory::BingSatellite:
     case UrlFactory::BingHybrid:
+    case UrlFactory::StatkartTopo:
         return 12;
     case UrlFactory::MapQuestMap:
     case UrlFactory::MapQuestSat:

src/QtLocationPlugin/QGCMapUrlEngine.cpp

@@ -84,6 +84,7 @@ UrlFactory::getImageFormat(MapType type, const QByteArray& image)
                 case GoogleHybrid:
                 case BingMap:
                 case OpenStreetMap:
+                case StatkartTopo:
                     format = "png";
                     break;
                 case MapQuestMap:
@@ -143,6 +144,9 @@ UrlFactory::getTileURL(MapType type, int x, int y, int zoom, QNetworkAccessManag
         case BingSatellite:
             request.setRawHeader("Referrer", "https://www.bing.com/maps/");
             break;
+        case StatkartTopo:
+            request.setRawHeader("Referrer", "https://www.norgeskart.no/");
+            break;
         /*
         case OpenStreetMapSurfer:
         case OpenStreetMapSurferTerrain:
@@ -229,6 +233,11 @@ UrlFactory::_getURL(MapType type, int x, int y, int zoom, QNetworkAccessManager*
     }
     break;
 #endif
+    case StatkartTopo:
+    {
+        return QString("http://opencache.statkart.no/gatekeeper/gk/gk.open_gmaps?layers=topo2&zoom=%1&x=%2&y=%3").arg(zoom).arg(x).arg(y);
+    }
+    break;
     /*
     case OpenStreetMap:
     {

src/QtLocationPlugin/QGCMapUrlEngine.h

@@ -44,6 +44,8 @@ public:
         OpenStreetMapSurfer     = 34,
         OpenStreetMapSurferTerrain=35,
 
+        StatkartTopo            = 100,
+
         BingMap                 = 444,
         BingSatellite           = 555,
         BingHybrid              = 666,

src/QtLocationPlugin/QGeoTiledMappingManagerEngineQGC.cpp

@@ -114,6 +114,9 @@ QGeoTiledMappingManagerEngineQGC::QGeoTiledMappingManagerEngineQGC(const QVarian
     mapTypes << QGeoMapType(QGeoMapType::SatelliteMapDay,   "Bing Satellite Map",       "Bing satellite map",           false,  false,  UrlFactory::BingSatellite);
     mapTypes << QGeoMapType(QGeoMapType::HybridMap,         "Bing Hybrid Map",          "Bing hybrid map",              false,  false,  UrlFactory::BingHybrid);
 
+    // Statkart
+    mapTypes << QGeoMapType(QGeoMapType::TerrainMap,             "Statkart Topo2",           "Statkart Topo2",               false,  false,  UrlFactory::StatkartTopo);
+
     /* See: https://wiki.openstreetmap.org/wiki/Tile_usage_policy
     mapTypes << QGeoMapType(QGeoMapType::StreetMap,         "Open Street Map",          "Open Street map",              false, false, UrlFactory::OpenStreetMap);
     */