src/map/IMG/vectortile.cpp

@@ -120,15 +120,15 @@ void VectorTile::clear()
 
 void VectorTile::polys(QFile *file, const RectC &rect, const Zoom &zoom,
   QList<MapData::Poly> *polygons, QList<MapData::Poly> *lines,
-  MapData::PolyCache *cache, QMutex *cacheLock)
+  MapData::PolyCache *cache, QMutex *lock)
 {
 	SubFile::Handle *rgnHdl = 0, *lblHdl = 0, *netHdl = 0, *nodHdl = 0,
 	  *nodHdl2 = 0;
 
-	_lock.lock();
+	lock->lock();
 
 	if (_loaded < 0) {
-		_lock.unlock();
+		lock->unlock();
 		return;
 	}
 
@@ -139,23 +139,18 @@ void VectorTile::polys(QFile *file, const RectC &rect, const Zoom &zoom,
 		nodHdl = new SubFile::Handle(file, _nod);
 
 		if (!load(*rgnHdl, *lblHdl, *netHdl, *nodHdl)) {
-			_lock.unlock();
+			lock->unlock();
 			delete rgnHdl; delete lblHdl; delete netHdl; delete nodHdl;
 			return;
 		}
 	}
 
 	QList<SubDiv*> subdivs = _tre->subdivs(file, rect, zoom);
-
-	cacheLock->lock();
-
 	for (int i = 0; i < subdivs.size(); i++) {
 		SubDiv *subdiv = subdivs.at(i);
 
 		MapData::Polys *polys = cache->object(subdiv);
 		if (!polys) {
-			cacheLock->unlock();
-
 			quint32 shift = _tre->shift(subdiv->bits());
 
 			if (!rgnHdl) {
@@ -164,10 +159,8 @@ void VectorTile::polys(QFile *file, const RectC &rect, const Zoom &zoom,
 				netHdl = new SubFile::Handle(file, _net);
 			}
 
-			if (!subdiv->initialized() && !_rgn->subdivInit(*rgnHdl, subdiv)) {
-				cacheLock->lock();
+			if (!subdiv->initialized() && !_rgn->subdivInit(*rgnHdl, subdiv))
 				continue;
-			}
 
 			polys = new MapData::Polys();
 
@@ -193,7 +186,6 @@ void VectorTile::polys(QFile *file, const RectC &rect, const Zoom &zoom,
 			if (lines)
 				copyPolys(rect, &polys->lines, lines);
 
-			cacheLock->lock();
 			cache->insert(subdiv, polys);
 		} else {
 			copyPolys(rect, &polys->polygons, polygons);
@@ -202,21 +194,20 @@ void VectorTile::polys(QFile *file, const RectC &rect, const Zoom &zoom,
 		}
 	}
 
-	cacheLock->unlock();
-	_lock.unlock();
+	lock->unlock();
 
 	delete rgnHdl; delete lblHdl; delete netHdl; delete nodHdl; delete nodHdl2;
 }
 
 void VectorTile::points(QFile *file, const RectC &rect, const Zoom &zoom,
-  QList<MapData::Point> *points, MapData::PointCache *cache, QMutex *cacheLock)
+  QList<MapData::Point> *points, MapData::PointCache *cache, QMutex *lock)
 {
 	SubFile::Handle *rgnHdl = 0, *lblHdl = 0;
 
-	_lock.lock();
+	lock->lock();
 
 	if (_loaded < 0) {
-		_lock.unlock();
+		lock->unlock();
 		return;
 	}
 
@@ -227,32 +218,25 @@ void VectorTile::points(QFile *file, const RectC &rect, const Zoom &zoom,
 		SubFile::Handle netHdl(file, _net);
 
 		if (!load(*rgnHdl, *lblHdl, netHdl, nodHdl)) {
-			_lock.unlock();
+			lock->unlock();
 			delete rgnHdl; delete lblHdl;
 			return;
 		}
 	}
 
 	QList<SubDiv*> subdivs = _tre->subdivs(file, rect, zoom);
-
-	cacheLock->lock();
-
 	for (int i = 0; i < subdivs.size(); i++) {
 		SubDiv *subdiv = subdivs.at(i);
 
 		QList<MapData::Point> *pl = cache->object(subdiv);
 		if (!pl) {
-			cacheLock->unlock();
-
 			if (!rgnHdl) {
 				rgnHdl = new SubFile::Handle(file, _rgn);
 				lblHdl = new SubFile::Handle(file, _lbl);
 			}
 
-			if (!subdiv->initialized() && !_rgn->subdivInit(*rgnHdl, subdiv)) {
-				cacheLock->lock();
+			if (!subdiv->initialized() && !_rgn->subdivInit(*rgnHdl, subdiv))
 				continue;
-			}
 
 			pl = new QList<MapData::Point>;
 
@@ -264,28 +248,26 @@ void VectorTile::points(QFile *file, const RectC &rect, const Zoom &zoom,
 
 			copyPoints(rect, pl, points);
 
-			cacheLock->lock();
 			cache->insert(subdiv, pl);
 		} else
 			copyPoints(rect, pl, points);
 	}
 
-	cacheLock->unlock();
-	_lock.unlock();
+	lock->unlock();
 
 	delete rgnHdl; delete lblHdl;
 }
 
 void VectorTile::elevations(QFile *file, const RectC &rect, const Zoom &zoom,
   QList<MapData::Elevation> *elevations, MapData::ElevationCache *cache,
-  QMutex *cacheLock)
+  QMutex *lock)
 {
 	SubFile::Handle *hdl = 0;
 
-	_demLock.lock();
+	lock->lock();
 
 	if (_demLoaded < 0) {
-		_demLock.unlock();
+		lock->unlock();
 		return;
 	}
 
@@ -293,7 +275,7 @@ void VectorTile::elevations(QFile *file, const RectC &rect, const Zoom &zoom,
 		hdl = new SubFile::Handle(file, _dem);
 
 		if (!loadDem(*hdl)) {
-			_demLock.unlock();
+			lock->unlock();
 			delete hdl;
 			return;
 		}
@@ -303,25 +285,19 @@ void VectorTile::elevations(QFile *file, const RectC &rect, const Zoom &zoom,
 	// the given zoom (we prefer rendering quality rather than speed). For
 	// maps with a single level this has no effect.
 	int level = qMax(0, _dem->level(zoom) - 1);
+
 	QList<const DEMTile*> tiles(_dem->tiles(rect, level));
-
-	cacheLock->lock();
-
 	for (int i = 0; i < tiles.size(); i++) {
 		const DEMTile *tile = tiles.at(i);
-
 		MapData::Elevation *el = cache->object(tile);
-		if (!el) {
-			cacheLock->unlock();
 
+		if (!el) {
 			if (!hdl)
 				hdl = new SubFile::Handle(file, _dem);
 
 			el = _dem->elevations(*hdl, level, tile);
 			if (!el->m.isNull())
 				elevations->append(*el);
-
-			cacheLock->lock();
 			cache->insert(tile, el);
 		} else {
 			if (!el->m.isNull())
@@ -329,8 +305,7 @@ void VectorTile::elevations(QFile *file, const RectC &rect, const Zoom &zoom,
 		}
 	}
 
-	cacheLock->unlock();
-	_demLock.unlock();
+	lock->unlock();
 
 	delete hdl;
 }

src/map/IMG/vectortile.h

@@ -32,13 +32,12 @@ public:
 
 	void polys(QFile *file, const RectC &rect, const Zoom &zoom,
 	  QList<MapData::Poly> *polygons, QList<MapData::Poly> *lines,
-	  MapData::PolyCache *cache, QMutex *cacheLock);
+	  MapData::PolyCache *cache, QMutex *lock);
 	void points(QFile *file, const RectC &rect, const Zoom &zoom,
-	  QList<MapData::Point> *points, MapData::PointCache *cache,
-	  QMutex *cacheLock);
+	  QList<MapData::Point> *points, MapData::PointCache *cache, QMutex *lock);
 	void elevations(QFile *file, const RectC &rect, const Zoom &zoom,
 	  QList<MapData::Elevation> *elevations, MapData::ElevationCache *cache,
-	  QMutex *cacheLock);
+	  QMutex *lock);
 
 	static bool isTileFile(SubFile::Type type)
 	{
@@ -93,7 +92,6 @@ private:
 	SubFile *_gmp;
 
 	int _loaded, _demLoaded;
-	QMutex _lock, _demLock;
 };
 
 }

src/map/mapsforge/mapdata.cpp

@@ -219,10 +219,10 @@ bool MapData::readTags(SubFile &subfile, int count,
 	return true;
 }
 
-bool MapData::readSubFiles(QFile &file)
+bool MapData::readSubFiles()
 {
 	/* both _pointFile and _pathFile can be used here */
-	QDataStream stream(&file);
+	QDataStream stream(&_pointFile);
 
 	for (int i = 0; i < _subFiles.size(); i++) {
 		const SubFileInfo &f = _subFiles.at(i);
@@ -422,7 +422,8 @@ bool MapData::readHeader(QFile &file)
 	return true;
 }
 
-MapData::MapData(const QString &fileName) : _fileName(fileName), _valid(false)
+MapData::MapData(const QString &fileName)
+  : _pointFile(fileName), _pathFile(fileName), _valid(false)
 {
 	QFile file(fileName);
 
@@ -459,13 +460,17 @@ RectC MapData::bounds() const
 
 void MapData::load()
 {
-	QFile file(_fileName);
-	if (file.open(QIODevice::ReadOnly | QIODevice::Unbuffered))
-		readSubFiles(file);
+	_pointFile.open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+	_pathFile.open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+
+	readSubFiles();
 }
 
 void MapData::clear()
 {
+	_pointFile.close();
+	_pathFile.close();
+
 	_pathCache.clear();
 	_pointCache.clear();
 
@@ -489,14 +494,14 @@ void MapData::clearTiles()
 bool MapData::pathCb(VectorTile *tile, void *context)
 {
 	PathCTX *ctx = (PathCTX*)context;
-	ctx->data->paths(ctx->file, tile, ctx->rect, ctx->zoom, ctx->list);
+	ctx->data->paths(tile, ctx->rect, ctx->zoom, ctx->list);
 	return true;
 }
 
 bool MapData::pointCb(VectorTile *tile, void *context)
 {
 	PointCTX *ctx = (PointCTX*)context;
-	ctx->data->points(ctx->file, tile, ctx->rect, ctx->zoom, ctx->list);
+	ctx->data->points(tile, ctx->rect, ctx->zoom, ctx->list);
 	return true;
 }
 
@@ -509,14 +514,13 @@ int MapData::level(int zoom) const
 	return _subFiles.size() - 1;
 }
 
-void MapData::points(QFile &file, const RectC &rect, int zoom,
-  QList<Point> *list)
+void MapData::points(const RectC &rect, int zoom, QList<Point> *list)
 {
 	if (!rect.isValid())
 		return;
 
 	int l(level(zoom));
-	PointCTX ctx(file, this, rect, zoom, list);
+	PointCTX ctx(this, rect, zoom, list);
 	double min[2], max[2];
 
 	min[0] = rect.left();
@@ -527,58 +531,53 @@ void MapData::points(QFile &file, const RectC &rect, int zoom,
 	_tiles.at(l)->Search(min, max, pointCb, &ctx);
 }
 
-void MapData::points(QFile &file, VectorTile *tile, const RectC &rect,
-  int zoom, QList<Point> *list)
+void MapData::points(const VectorTile *tile, const RectC &rect, int zoom,
+  QList<Point> *list)
 {
 	Key key(tile, zoom);
 
-	tile->lock.lock();
+	_pointLock.lock();
 
-	_pointCacheLock.lock();
 	QList<Point> *tilePoints = _pointCache.object(key);
+
 	if (!tilePoints) {
-		_pointCacheLock.unlock();
 		QList<Point> *p = new QList<Point>();
-		if (readPoints(file, tile, zoom, p)) {
+		if (readPoints(tile, zoom, p)) {
 			copyPoints(rect, p, list);
-			_pointCacheLock.lock();
 			_pointCache.insert(key, p);
-			_pointCacheLock.unlock();
 		} else
 			delete p;
-	} else {
+	} else
 		copyPoints(rect, tilePoints, list);
-		_pointCacheLock.unlock();
-	}
 
-	_pathCacheLock.lock();
+	_pointLock.unlock();
+
+
+	_pathLock.lock();
+
 	QList<Path> *tilePaths = _pathCache.object(key);
+
 	if (!tilePaths) {
-		_pathCacheLock.unlock();
 		QList<Path> *p = new QList<Path>();
-		if (readPaths(file, tile, zoom, p)) {
+		if (readPaths(tile, zoom, p)) {
 			copyPoints(rect, p, list);
-			_pathCacheLock.lock();
 			_pathCache.insert(key, p);
-			_pathCacheLock.unlock();
 		} else
 			delete p;
-	} else {
+	} else
 		copyPoints(rect, tilePaths, list);
-		_pathCacheLock.unlock();
-	}
 
-	tile->lock.unlock();
+	_pathLock.unlock();
 }
 
-void MapData::paths(QFile &file, const RectC &searchRect,
-  const RectC &boundsRect, int zoom, QList<Path> *list)
+void MapData::paths(const RectC &searchRect, const RectC &boundsRect, int zoom,
+  QList<Path> *list)
 {
 	if (!searchRect.isValid())
 		return;
 
 	int l(level(zoom));
-	PathCTX ctx(file, this, boundsRect, zoom, list);
+	PathCTX ctx(this, boundsRect, zoom, list);
 	double min[2], max[2];
 
 	min[0] = searchRect.left();
@@ -589,38 +588,32 @@ void MapData::paths(QFile &file, const RectC &searchRect,
 	_tiles.at(l)->Search(min, max, pathCb, &ctx);
 }
 
-void MapData::paths(QFile &file, VectorTile *tile, const RectC &rect, int zoom,
+void MapData::paths(const VectorTile *tile, const RectC &rect, int zoom,
   QList<Path> *list)
 {
 	Key key(tile, zoom);
 
-	tile->lock.lock();
+	_pathLock.lock();
 
-	_pathCacheLock.lock();
 	QList<Path> *cached = _pathCache.object(key);
+
 	if (!cached) {
-		_pathCacheLock.unlock();
 		QList<Path> *p = new QList<Path>();
-		if (readPaths(file, tile, zoom, p)) {
+		if (readPaths(tile, zoom, p)) {
 			copyPaths(rect, p, list);
-			_pathCacheLock.lock();
 			_pathCache.insert(key, p);
-			_pathCacheLock.unlock();
 		} else
 			delete p;
-	} else {
+	} else
 		copyPaths(rect, cached, list);
-		_pathCacheLock.unlock();
-	}
 
-	tile->lock.unlock();
+	_pathLock.unlock();
 }
 
-bool MapData::readPaths(QFile &file, const VectorTile *tile, int zoom,
-  QList<Path> *list)
+bool MapData::readPaths(const VectorTile *tile, int zoom, QList<Path> *list)
 {
 	const SubFileInfo &info = _subFiles.at(level(zoom));
-	SubFile subfile(file, info.offset, info.size);
+	SubFile subfile(_pathFile, info.offset, info.size);
 	int rows = info.max - info.min + 1;
 	QVector<unsigned> paths(rows);
 	quint32 blocks, unused, val, cnt = 0;
@@ -705,11 +698,10 @@ bool MapData::readPaths(QFile &file, const VectorTile *tile, int zoom,
 	return true;
 }
 
-bool MapData::readPoints(QFile &file, const VectorTile *tile, int zoom,
-  QList<Point> *list)
+bool MapData::readPoints(const VectorTile *tile, int zoom, QList<Point> *list)
 {
 	const SubFileInfo &info = _subFiles.at(level(zoom));
-	SubFile subfile(file, info.offset, info.size);
+	SubFile subfile(_pointFile, info.offset, info.size);
 	int rows = info.max - info.min + 1;
 	QVector<unsigned> points(rows);
 	quint32 val, unused, cnt = 0;

src/map/mapsforge/mapdata.h

@@ -58,15 +58,14 @@ public:
 		  {return point.layer < other.point.layer;}
 	};
 
-	const QString &fileName() const {return _fileName;}
 	RectC bounds() const;
 	Range zooms() const
 	  {return Range(_subFiles.first().min, _subFiles.last().max);}
 	int tileSize() const {return _tileSize;}
 
-	void points(QFile &file, const RectC &rect, int zoom, QList<Point> *list);
-	void paths(QFile &file, const RectC &searchRect, const RectC &boundsRect,
-	  int zoom, QList<Path> *set);
+	void points(const RectC &rect, int zoom, QList<Point> *list);
+	void paths(const RectC &searchRect, const RectC &boundsRect, int zoom,
+	  QList<Path> *set);
 	unsigned tagId(const QByteArray &name) const {return _keys.value(name);}
 
 	void load();
@@ -90,15 +89,12 @@ private:
 
 		size_t offset;
 		Coordinates pos;
-		QMutex lock;
 	};
 
 	struct PathCTX {
-		PathCTX(QFile &file, MapData *data, const RectC &rect, int zoom,
-		  QList<Path> *list)
-		  : file(file), data(data), rect(rect), zoom(zoom), list(list) {}
+		PathCTX(MapData *data, const RectC &rect, int zoom, QList<Path> *list)
+		  : data(data), rect(rect), zoom(zoom), list(list) {}
 
-		QFile &file;
 		MapData *data;
 		const RectC &rect;
 		int zoom;
@@ -106,11 +102,9 @@ private:
 	};
 
 	struct PointCTX {
-		PointCTX(QFile &file, MapData *data, const RectC &rect, int zoom,
-		  QList<Point> *list)
-		  : file(file), data(data), rect(rect), zoom(zoom), list(list) {}
+		PointCTX(MapData *data, const RectC &rect, int zoom, QList<Point> *list)
+		  : data(data), rect(rect), zoom(zoom), list(list) {}
 
-		QFile &file;
 		MapData *data;
 		const RectC &rect;
 		int zoom;
@@ -149,18 +143,16 @@ private:
 	bool readTagInfo(SubFile &hdr, QVector<TagSource> &tags);
 	bool readMapInfo(SubFile &hdr, QByteArray &projection, bool &debugMap);
 	bool readHeader(QFile &file);
-	bool readSubFiles(QFile &file);
+	bool readSubFiles();
 	void clearTiles();
 
 	int level(int zoom) const;
-	void paths(QFile &file, VectorTile *tile, const RectC &rect, int zoom,
+	void paths(const VectorTile *tile, const RectC &rect, int zoom,
 	  QList<Path> *list);
-	void points(QFile &file, VectorTile *tile, const RectC &rect, int zoom,
-	  QList<Point> *list);
-	bool readPaths(QFile &file, const VectorTile *tile, int zoom,
-	  QList<Path> *list);
-	bool readPoints(QFile &file, const VectorTile *tile, int zoom,
+	void points(const VectorTile *tile, const RectC &rect, int zoom,
 	  QList<Point> *list);
+	bool readPaths(const VectorTile *tile, int zoom, QList<Path> *list);
+	bool readPoints(const VectorTile *tile, int zoom, QList<Point> *list);
 
 	static bool readTags(SubFile &subfile, int count,
 	  const QVector<TagSource> &tags, QVector<Tag> &list);
@@ -169,7 +161,7 @@ private:
 
 	friend HASH_T qHash(const MapData::Key &key);
 
-	QString _fileName;
+	QFile _pointFile, _pathFile;
 	RectC _bounds;
 	quint16 _tileSize;
 	QVector<SubFileInfo> _subFiles;
@@ -179,7 +171,7 @@ private:
 
 	QCache<Key, QList<Path> > _pathCache;
 	QCache<Key, QList<Point> > _pointCache;
-	QMutex _pathCacheLock, _pointCacheLock;
+	QMutex _pathLock, _pointLock;
 
 	bool _valid;
 	QString _errorString;

src/map/mapsforge/rastertile.cpp

@@ -408,10 +408,6 @@ void RasterTile::fetchData(QList<MapData::Path> &paths,
   QList<MapData::Point> &points) const
 {
 	QPoint ttl(_rect.topLeft());
-	QFile file(_data->fileName());
-
-	if (!file.open(QIODevice::ReadOnly | QIODevice::Unbuffered))
-		return;
 
 	QRectF pathRect(QPointF(ttl.x() - PATHS_EXTENT, ttl.y() - PATHS_EXTENT),
 	  QPointF(ttl.x() + _rect.width() + PATHS_EXTENT, ttl.y() + _rect.height()
@@ -423,15 +419,15 @@ void RasterTile::fetchData(QList<MapData::Path> &paths,
 	  _transform.img2proj(pathRect.bottomRight()));
 	RectD searchRectD(_transform.img2proj(searchRect.topLeft()),
 	  _transform.img2proj(searchRect.bottomRight()));
-	_data->paths(file, searchRectD.toRectC(_proj, 20),
-	  pathRectD.toRectC(_proj, 20), _zoom, &paths);
+	_data->paths(searchRectD.toRectC(_proj, 20), pathRectD.toRectC(_proj, 20),
+	  _zoom, &paths);
 
 	QRectF pointRect(QPointF(ttl.x() - TEXT_EXTENT, ttl.y() - TEXT_EXTENT),
 	  QPointF(ttl.x() + _rect.width() + TEXT_EXTENT, ttl.y() + _rect.height()
 	  + TEXT_EXTENT));
 	RectD pointRectD(_transform.img2proj(pointRect.topLeft()),
 	  _transform.img2proj(pointRect.bottomRight()));
-	_data->points(file, pointRectD.toRectC(_proj, 20), _zoom, &points);
+	_data->points(pointRectD.toRectC(_proj, 20), _zoom, &points);
 }
 
 MatrixD RasterTile::elevation(int extend) const