Added support for Garmin JNX maps

gpxsee.pro

@@ -15,6 +15,7 @@ HEADERS += src/config.h \
     src/common/rectc.h \
     src/common/wgs84.h \
     src/common/str2int.h \
+    src/common/rtree.h \
     src/GUI/app.h \
     src/GUI/icons.h \
     src/GUI/gui.h \
@@ -117,7 +118,6 @@ HEADERS += src/config.h \
     src/data/trackdata.h \
     src/data/routedata.h \
     src/data/path.h \
-    src/data/rtree.h \
     src/data/gpxparser.h \
     src/data/tcxparser.h \
     src/data/csvparser.h \
@@ -128,7 +128,8 @@ HEADERS += src/config.h \
     src/data/oziparsers.h \
     src/map/rectd.h \
     src/map/geocentric.h \
-    src/map/mercator.h
+    src/map/mercator.h \
+    src/map/jnxmap.h
 SOURCES += src/main.cpp \
     src/common/coordinates.cpp \
     src/common/rectc.cpp \
@@ -224,7 +225,8 @@ SOURCES += src/main.cpp \
     src/data/nmeaparser.cpp \
     src/data/oziparsers.cpp \
     src/map/geocentric.cpp \
-    src/map/mercator.cpp
+    src/map/mercator.cpp \
+    src/map/jnxmap.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts \
     lang/gpxsee_sv.ts \

src/GUI/mapview.cpp

@@ -75,7 +75,6 @@ MapView::MapView(Map *map, POI *poi, QWidget *parent)
 	_plot = false;
 	_digitalZoom = 0;
 
-	_map->setBackgroundColor(_backgroundColor);
 	_res = _map->resolution(_map->bounds());
 	_scene->setSceneRect(_map->bounds());
 
@@ -267,7 +266,6 @@ void MapView::setMap(Map *map)
 
 	_map = map;
 	_map->load();
-	_map->setBackgroundColor(_backgroundColor);
 	connect(_map, SIGNAL(loaded()), this, SLOT(reloadMap()));
 
 	digitalZoom(0);
@@ -746,7 +744,6 @@ void MapView::setMapOpacity(int opacity)
 void MapView::setBackgroundColor(const QColor &color)
 {
 	_backgroundColor = color;
-	_map->setBackgroundColor(color);
 	resetCachedContent();
 }
 

src/data/poi.h

@@ -5,7 +5,7 @@
 #include <QPointF>
 #include <QString>
 #include <QStringList>
-#include "rtree.h"
+#include "common/rtree.h"
 #include "waypoint.h"
 #include "path.h"
 

src/map/atlas.cpp

@@ -276,7 +276,6 @@ void Atlas::draw(QPainter *painter, const QRectF &rect, bool block)
 	}
 
 	// Multiple maps
-	painter->fillRect(rect, _backgroundColor);
 	for (int i = _zooms.at(_zoom).first; i <= _zooms.at(_zoom).last; i++) {
 		QRectF ir = rect.intersected(_bounds.at(i).xy);
 		if (!ir.isNull())

src/map/emptymap.cpp

@@ -87,8 +87,9 @@ int EmptyMap::zoomOut()
 
 void EmptyMap::draw(QPainter *painter, const QRectF &rect, bool block)
 {
+	Q_UNUSED(painter);
+	Q_UNUSED(rect);
 	Q_UNUSED(block);
-	painter->fillRect(rect, _backgroundColor);
 }
 
 QPointF EmptyMap::ll2xy(const Coordinates &c) const

src/map/jnxmap.cpp

@@ -0,0 +1,244 @@
+#include <QtEndian>
+#include <QPainter>
+#include <QFileInfo>
+#include "transform.h"
+#include "rectd.h"
+#include "jnxmap.h"
+
+
+struct Level {
+	quint32 count;
+	quint32 offset;
+	quint32 scale;
+};
+
+struct Ctx {
+	QPainter *painter;
+	QFile *file;
+
+	Ctx(QPainter *painter, QFile *file) : painter(painter), file(file) {}
+};
+
+
+template<class T> bool JNXMap::readValue(T &val)
+{
+	T data;
+
+	if (_file.read((char*)&data, sizeof(T)) < (qint64)sizeof(T))
+		return false;
+
+	if (sizeof(T) > 1)
+		val = qFromLittleEndian(data);
+	else
+		val = data;
+
+	return true;
+}
+
+bool JNXMap::readString(QByteArray& ba)
+{
+	char byte;
+
+	while (true) {
+		if (!_file.getChar(&byte))
+			return false;
+		else if (!byte)
+			return true;
+		else
+			ba += byte;
+	}
+}
+
+bool JNXMap::readTiles()
+{
+	qint32 lat1, lon2, lat2, lon1;
+	quint32 version, dummy, levels;
+
+	if (!(readValue(version) && readValue(dummy) && readValue(lat1)
+	  && readValue(lon2) && readValue(lat2) && readValue(lon1)
+	  && readValue(levels)))
+		return false;
+
+	_bounds = RectC(Coordinates(lon1 * 180.0 / 0x7FFFFFFF, lat1 * 180.0
+	  / 0x7FFFFFFF), Coordinates(lon2 * 180.0 / 0x7FFFFFFF, lat2 * 180.0
+	  / 0x7FFFFFFF));
+
+	if (!_file.seek(version > 3 ? 0x34 : 0x30))
+		return false;
+
+	QVector<Level> lh(levels);
+	for (int i = 0; i < lh.count(); i++) {
+		if (!(readValue(lh[i].count) && readValue(lh[i].offset)
+		  && readValue(lh[i].scale)))
+			return false;
+		if (version > 3) {
+			QByteArray ba;
+			if (!(readValue(dummy) && readString(ba)))
+				return false;
+		}
+	}
+
+	_zooms = QVector<Zoom>(lh.size());
+	for (int i = 0; i < lh.count(); i++) {
+		if (!_file.seek(lh.at(i).offset))
+			return false;
+
+		_zooms[i].tiles = QVector<Tile>(lh.at(i).count);
+		for (quint32 j = 0; j < lh.at(i).count; j++) {
+			Tile &tile = _zooms[i].tiles[j];
+			qint32 top, right, bottom, left;
+			quint16 width, height;
+
+			if (!(readValue(top) && readValue(right) && readValue(bottom)
+			  && readValue(left) && readValue(width)
+			  && readValue(height) && readValue(tile.size)
+			  && readValue(tile.offset)))
+				return false;
+
+			RectD rect(PointD(left * 180.0 / 0x7FFFFFFF, top * 180.0
+			  / 0x7FFFFFFF), PointD(right * 180.0 / 0x7FFFFFFF, bottom * 180.0
+			  / 0x7FFFFFFF));
+
+			if (j == 0) {
+				ReferencePoint tl(PointD(0, 0), rect.topLeft());
+				ReferencePoint br(PointD(width, height), rect.bottomRight());
+				_zooms[i].transform = Transform(tl, br);
+			}
+
+			const Transform &t = _zooms.at(i).transform;
+			QRectF trect(t.proj2img(rect.topLeft()),
+			  t.proj2img(rect.bottomRight()));
+			tile.pos = trect.topLeft();
+
+			qreal min[2], max[2];
+			min[0] = trect.left();
+			min[1] = trect.top();
+			max[0] = trect.right();
+			max[1] = trect.bottom();
+			_zooms[i].tree.Insert(min, max, &tile);
+		}
+	}
+
+	return true;
+}
+
+JNXMap::JNXMap(const QString &fileName, QObject *parent)
+  : Map(parent), _file(fileName), _zoom(0), _valid(false)
+{
+	_name = QFileInfo(fileName).fileName();
+
+	if (!_file.open(QIODevice::ReadOnly)) {
+		_errorString = QString("%1: Error opening file").arg(fileName);
+		return;
+	}
+
+	if (!readTiles()) {
+		_errorString = "JNX file format error";
+		return;
+	}
+
+	_valid = true;
+}
+
+QPointF JNXMap::ll2xy(const Coordinates &c) const
+{
+	const Transform &t = _zooms.at(_zoom).transform;
+	return t.proj2img(PointD(c.lon(), c.lat()));
+}
+
+Coordinates JNXMap::xy2ll(const QPointF &p) const
+{
+	const Transform &t = _zooms.at(_zoom).transform;
+	PointD pp(t.img2proj(p));
+	return Coordinates(pp.x(), pp.y());
+}
+
+QRectF JNXMap::bounds() const
+{
+	const Transform &t = _zooms.at(_zoom).transform;
+
+	return QRectF(t.proj2img(PointD(_bounds.topLeft().lon(),
+	  _bounds.topLeft().lat())), t.proj2img(PointD(_bounds.bottomRight().lon(),
+	  _bounds.bottomRight().lat())));
+}
+
+qreal JNXMap::resolution(const QRectF &rect) const
+{
+	Coordinates tl = xy2ll((rect.topLeft()));
+	Coordinates br = xy2ll(rect.bottomRight());
+
+	qreal ds = tl.distanceTo(br);
+	qreal ps = QLineF(rect.topLeft(), rect.bottomRight()).length();
+
+	return ds/ps;
+}
+
+int JNXMap::zoomFit(const QSize &size, const RectC &rect)
+{
+	if (!rect.isValid())
+		_zoom = _zooms.size() - 1;
+	else {
+		for (int i = 1; i < _zooms.count(); i++) {
+			_zoom = i;
+			QRect sbr(QPoint(ll2xy(rect.topLeft()).toPoint()),
+			  QPoint(ll2xy(rect.bottomRight()).toPoint()));
+			if (sbr.size().width() >= size.width() || sbr.size().height()
+			  >= size.height()) {
+				_zoom--;
+				break;
+			}
+		}
+	}
+
+	return _zoom;
+}
+
+int JNXMap::zoomIn()
+{
+	_zoom = qMin(_zoom + 1, _zooms.size() - 1);
+	return _zoom;
+}
+
+int JNXMap::zoomOut()
+{
+	_zoom = qMax(_zoom - 1, 0);
+	return _zoom;
+}
+
+QPixmap JNXMap::pixmap(const Tile *tile, QFile *file)
+{
+	QByteArray ba;
+	ba.resize(tile->size + 2);
+	ba[0] = (char)0xFF;
+	ba[1] = (char)0xD8;
+	char *data = ba.data() + 2;
+
+	if (!file->seek(tile->offset))
+		return QPixmap();
+	if (!file->read(data, tile->size))
+		return QPixmap();
+
+	return QPixmap::fromImage(QImage::fromData(ba));
+}
+
+bool JNXMap::cb(Tile *tile, void *context)
+{
+	Ctx *ctx = static_cast<Ctx*>(context);
+	ctx->painter->drawPixmap(tile->pos, pixmap(tile, ctx->file));
+
+	return true;
+}
+
+void JNXMap::draw(QPainter *painter, const QRectF &rect, bool block)
+{
+	Q_UNUSED(block);
+	const RTree<Tile*, qreal, 2> &tree = _zooms.at(_zoom).tree;
+	Ctx ctx(painter, &_file);
+
+	qreal min[2], max[2];
+	min[0] = rect.left();
+	min[1] = rect.top();
+	max[0] = rect.right();
+	max[1] = rect.bottom();
+	tree.Search(min, max, cb, &ctx);
+}

src/map/jnxmap.h

@@ -0,0 +1,73 @@
+#ifndef JNXMAP_H
+#define JNXMAP_H
+
+#include <QFile>
+#include <QVector>
+#include "common/rtree.h"
+#include "common/rectc.h"
+#include "transform.h"
+#include "map.h"
+
+class JNXMap : public Map
+{
+public:
+	Q_OBJECT
+
+public:
+	JNXMap(const QString &fileName, QObject *parent = 0);
+
+	const QString &name() const {return _name;}
+
+	QRectF bounds() const;
+	qreal resolution(const QRectF &rect) const;
+
+	int zoom() const {return _zoom;}
+	void setZoom(int zoom) {_zoom = zoom;}
+	int zoomFit(const QSize &size, const RectC &rect);
+	int zoomIn();
+	int zoomOut();
+
+	QPointF ll2xy(const Coordinates &c)
+		{return static_cast<const JNXMap &>(*this).ll2xy(c);}
+	Coordinates xy2ll(const QPointF &p)
+		{return static_cast<const JNXMap &>(*this).xy2ll(p);}
+
+	void draw(QPainter *painter, const QRectF &rect, bool block);
+
+	bool isValid() const {return _valid;}
+	QString errorString() const {return _errorString;}
+
+private:
+	struct Tile {
+		QPointF pos;
+		quint32 size;
+		quint32 offset;
+	};
+
+	struct Zoom {
+		Transform transform;
+		QVector<Tile> tiles;
+		RTree<Tile*, qreal, 2> tree;
+	};
+
+	QPointF ll2xy(const Coordinates &c) const;
+	Coordinates xy2ll(const QPointF &p) const;
+
+	template<class T> bool readValue(T &val);
+	bool readString(QByteArray &ba);
+	bool readTiles();
+
+	static bool cb(Tile *tile, void *context);
+	static QPixmap pixmap(const Tile *tile, QFile *file);
+
+	QString _name;
+	QFile _file;
+	QVector<Zoom> _zooms;
+	int _zoom;
+	RectC _bounds;
+
+	bool _valid;
+	QString _errorString;
+};
+
+#endif // JNXMAP_H

src/map/map.h

@@ -15,7 +15,7 @@ class Map : public QObject
 	Q_OBJECT
 
 public:
-	Map(QObject *parent = 0) : QObject(parent), _backgroundColor(Qt::white) {}
+	Map(QObject *parent = 0) : QObject(parent) {}
 	virtual ~Map() {}
 
 	virtual const QString &name() const = 0;
@@ -41,13 +41,8 @@ public:
 	virtual bool isValid() const {return true;}
 	virtual QString errorString() const {return QString();}
 
-	void setBackgroundColor(const QColor &color) {_backgroundColor = color;}
-
 signals:
 	void loaded();
-
-protected:
-	QColor _backgroundColor;
 };
 
 #endif // MAP_H

src/map/maplist.cpp

@@ -3,33 +3,13 @@
 #include "atlas.h"
 #include "offlinemap.h"
 #include "onlinemap.h"
+#include "jnxmap.h"
 #include "mapsource.h"
 #include "maplist.h"
 
 
-bool MapList::loadSource(const QString &path, bool dir)
+bool MapList::loadMap(Map* map, const QString &path, bool dir)
 {
-	MapSource ms;
-	Map *map;
-
-	if (!(map = ms.loadFile(path))) {
-		if (dir)
-			_errorString += path + ": " + ms.errorString() + "\n";
-		else
-			_errorString = ms.errorString();
-		return false;
-	}
-
-	map->setParent(this);
-	_maps.append(map);
-
-	return true;
-}
-
-bool MapList::loadMap(const QString &path, bool dir)
-{
-	OfflineMap *map = new OfflineMap(path, this);
-
 	if (map->isValid()) {
 		_maps.append(map);
 		return true;
@@ -38,26 +18,27 @@ bool MapList::loadMap(const QString &path, bool dir)
 			_errorString += path + ": " + map->errorString() + "\n";
 		else
 			_errorString = map->errorString();
+
 		delete map;
 		return false;
 	}
 }
 
-bool MapList::loadAtlas(const QString &path, bool dir)
+bool MapList::loadSource(const QString &path, bool dir)
 {
-	Atlas *atlas = new Atlas(path, this);
+	QString err;
+	Map *map = MapSource::loadMap(path, err);
 
-	if (atlas->isValid()) {
-		_maps.append(atlas);
-		return true;
-	} else {
+	if (!map) {
 		if (dir)
-			_errorString += path + ": " + atlas->errorString() + "\n";
+			_errorString += path + ": " + err + "\n";
 		else
-			_errorString = atlas->errorString();
-		delete atlas;
+			_errorString = err;
 		return false;
 	}
+	map->setParent(this);
+
+	return loadMap(map, path, dir);
 }
 
 bool MapList::loadFile(const QString &path, bool *atlas, bool dir)
@@ -67,14 +48,13 @@ bool MapList::loadFile(const QString &path, bool *atlas, bool dir)
 
 	if (Atlas::isAtlas(path)) {
 		*atlas = true;
-		return loadAtlas(path, dir);
-	} else if (suffix == "xml") {
-		*atlas = false;
+		return loadMap(new Atlas(path, this), path, dir);
+	} else if (suffix == "xml")
 		return loadSource(path, dir);
-	} else {
-		*atlas = false;
-		return loadMap(path, dir);
-	}
+	else if (suffix == "jnx")
+		return loadMap(new JNXMap(path, this), path, dir);
+	else
+		return loadMap(new OfflineMap(path, this), path, dir);
 }
 
 bool MapList::loadDirR(const QString &path)
@@ -83,11 +63,12 @@ bool MapList::loadDirR(const QString &path)
 	md.setFilter(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot);
 	md.setSorting(QDir::DirsLast);
 	QFileInfoList ml = md.entryInfoList();
-	bool atlas, ret = true;
+	bool ret = true;
 
 	for (int i = 0; i < ml.size(); i++) {
 		const QFileInfo &fi = ml.at(i);
 		QString suffix = fi.suffix().toLower();
+		bool atlas = false;
 
 		if (fi.isDir() && fi.fileName() != "set") {
 			if (!loadDirR(fi.absoluteFilePath()))
@@ -127,7 +108,8 @@ void MapList::clear()
 QString MapList::formats()
 {
 	return
-	  tr("Supported files") + " (*.map *.tar *.tba *.tif *.tiff *.xml);;"
+	  tr("Supported files") + " (*.jnx *.map *.tar *.tba *.tif *.tiff *.xml);;"
+	  + tr("Garmin JNX maps") + " (*.jnx);;"
 	  + tr("OziExplorer maps") + " (*.map);;"
 	  + tr("TrekBuddy maps/atlases") + " (*.tar *.tba);;"
 	  + tr("GeoTIFF images") + " (*.tif *.tiff);;"
@@ -137,6 +119,7 @@ QString MapList::formats()
 QStringList MapList::filter()
 {
 	QStringList filter;
-	filter << "*.map" << "*.tba" << "*.tar" << "*.xml" << "*.tif" << "*.tiff";
+	filter << "*.jnx *.map" << "*.tba" << "*.tar" << "*.xml" << "*.tif"
+	  << "*.tiff";
 	return filter;
 }

src/map/maplist.h

@@ -26,12 +26,8 @@ public:
 private:
 	bool loadFile(const QString &path, bool *atlas, bool dir);
 	bool loadDirR(const QString &path);
-
-	Map *loadListEntry(const QByteArray &line);
-
 	bool loadSource(const QString &path, bool dir);
-	bool loadMap(const QString &path, bool dir);
-	bool loadAtlas(const QString &path, bool dir);
+	bool loadMap(Map *map, const QString &path, bool dir);
 
 	QList<Map*> _maps;
 	QString _errorString;

src/map/mapsource.cpp

@@ -164,20 +164,18 @@ void MapSource::map(QXmlStreamReader &reader, Config &config)
 	}
 }
 
-Map *MapSource::loadFile(const QString &path)
+Map *MapSource::loadMap(const QString &path, QString &errorString)
 {
-	QFile file(path);
-	QXmlStreamReader reader;
 	Config config;
-	Map *m;
+	QFile file(path);
 
 
 	if (!file.open(QFile::ReadOnly | QFile::Text)) {
-		_errorString = file.errorString();
+		errorString = file.errorString();
 		return 0;
 	}
 
-	reader.setDevice(&file);
+	QXmlStreamReader reader(&file);
 	if (reader.readNextStartElement()) {
 		if (reader.name() == "map")
 			map(reader, config);
@@ -185,59 +183,51 @@ Map *MapSource::loadFile(const QString &path)
 			reader.raiseError("Not an online map source file");
 	}
 	if (reader.error()) {
-		_errorString = QString("%1: %2").arg(reader.lineNumber())
+		errorString = QString("%1: %2").arg(reader.lineNumber())
 		  .arg(reader.errorString());
 		return 0;
 	}
 
 	if (config.name.isEmpty()) {
-		_errorString = "Missing name definition";
+		errorString = "Missing name definition";
 		return 0;
 	}
 	if (config.url.isEmpty()) {
-		_errorString = "Missing URL definition";
+		errorString = "Missing URL definition";
 		return 0;
 	}
 	if (config.type == WMTS || config.type == WMS) {
 		if (config.layer.isEmpty()) {
-			_errorString = "Missing layer definition";
+			errorString = "Missing layer definition";
 			return 0;
 		}
 		if (config.format.isEmpty()) {
-			_errorString = "Missing format definition";
+			errorString = "Missing format definition";
 			return 0;
 		}
 	}
 	if (config.type == WMTS) {
 		if (config.set.isEmpty()) {
-			_errorString = "Missing set definiton";
+			errorString = "Missing set definiton";
 			return 0;
 		}
 	}
 	if (config.type == WMS) {
 		if (config.crs.isEmpty()) {
-			_errorString = "Missing CRS definiton";
+			errorString = "Missing CRS definiton";
 			return 0;
 		}
 	}
 
 	if (config.type == WMTS)
-		m = new WMTSMap(config.name, WMTS::Setup(config.url, config.layer,
+		return new WMTSMap(config.name, WMTS::Setup(config.url, config.layer,
 		  config.set, config.style, config.format, config.rest,
 		  config.coordinateSystem, config.dimensions, config.authorization));
 	else if (config.type == WMS)
-		m = new WMSMap(config.name, WMS::Setup(config.url, config.layer,
+		return new WMSMap(config.name, WMS::Setup(config.url, config.layer,
 		  config.style, config.format, config.crs, config.coordinateSystem,
 		  config.dimensions, config.authorization));
 	else
-		m = new OnlineMap(config.name, config.url, config.zooms, config.bounds,
-		  config.authorization);
-
-	if (!m->isValid()) {
-		_errorString = m->errorString();
-		delete m;
-		return 0;
-	}
-
-	return m;
+		return new OnlineMap(config.name, config.url, config.zooms,
+		  config.bounds, config.authorization);
 }

src/map/mapsource.h

@@ -13,8 +13,7 @@ class QXmlStreamReader;
 class MapSource
 {
 public:
-	Map *loadFile(const QString &path);
-	const QString &errorString() const {return _errorString;}
+	static Map *loadMap(const QString &path, QString &errorString);
 
 private:
 	enum Type {
@@ -42,11 +41,9 @@ private:
 		Config();
 	};
 
-	RectC bounds(QXmlStreamReader &reader);
-	Range zooms(QXmlStreamReader &reader);
-	void map(QXmlStreamReader &reader, Config &config);
-
-	QString _errorString;
+	static RectC bounds(QXmlStreamReader &reader);
+	static Range zooms(QXmlStreamReader &reader);
+	static void map(QXmlStreamReader &reader, Config &config);
 };
 
 #endif // MAPSOURCE_H

src/map/offlinemap.cpp

@@ -262,12 +262,10 @@ void OfflineMap::drawTiled(QPainter *painter, const QRectF &rect) const
 			} else
 				pixmap = QPixmap(tileName);
 
-			if (pixmap.isNull()) {
+			if (pixmap.isNull())
 				qWarning("%s: error loading tile image", qPrintable(
 				  _tile.path.arg(QString::number(x), QString::number(y))));
-				painter->fillRect(QRectF(QPoint(x, y), _tile.size),
-				  _backgroundColor);
-			} else
+			else
 				painter->drawPixmap(QPoint(x, y), pixmap);
 		}
 	}
@@ -294,11 +292,9 @@ void OfflineMap::drawOZF(QPainter *painter, const QRectF &rect) const
 					QPixmapCache::insert(key, pixmap);
 			}
 
-			if (pixmap.isNull()) {
+			if (pixmap.isNull())
 				qWarning("%s: error loading tile image", qPrintable(key));
-				painter->fillRect(QRectF(QPoint(x, y), _ozf->tileSize()),
-				  _backgroundColor);
-			} else
+			else
 				painter->drawPixmap(QPoint(x, y), pixmap);
 		}
 	}
@@ -321,8 +317,6 @@ void OfflineMap::draw(QPainter *painter, const QRectF &rect, bool block)
 		drawTiled(painter, rect);
 	else if (_img && !_img->isNull())
 		drawImage(painter, rect);
-	else
-		painter->fillRect(rect, _backgroundColor);
 }
 
 QPointF OfflineMap::ll2xy(const Coordinates &c) const

src/map/onlinemap.cpp

@@ -136,10 +136,7 @@ void OnlineMap::draw(QPainter *painter, const QRectF &rect, bool block)
 		Tile &t = tiles[i];
 		QPoint tp(tl.x() + (t.xy().x() - tile.x()) * TILE_SIZE,
 		  tl.y() + (t.xy().y() - tile.y()) * TILE_SIZE);
-		if (t.pixmap().isNull())
-			painter->fillRect(QRect(tp, QSize(TILE_SIZE, TILE_SIZE)),
-			  _backgroundColor);
-		else
+		if (!t.pixmap().isNull())
 			painter->drawPixmap(tp, t.pixmap());
 	}
 }

src/map/wmsmap.cpp

@@ -227,10 +227,7 @@ void WMSMap::draw(QPainter *painter, const QRectF &rect, bool block)
 	for (int i = 0; i < tiles.count(); i++) {
 		Tile &t = tiles[i];
 		QPoint tp(t.xy().x() * TILE_SIZE, t.xy().y() * TILE_SIZE);
-		if (t.pixmap().isNull())
-			painter->fillRect(QRect(tp, QSize(TILE_SIZE, TILE_SIZE)),
-			  _backgroundColor);
-		else
+		if (!t.pixmap().isNull())
 			painter->drawPixmap(tp, t.pixmap());
 	}
 }

src/map/wmtsmap.cpp

@@ -184,9 +184,7 @@ void WMTSMap::draw(QPainter *painter, const QRectF &rect, bool block)
 	for (int i = 0; i < tiles.count(); i++) {
 		Tile &t = tiles[i];
 		QPoint tp(t.xy().x() * z.tile().width(), t.xy().y() * z.tile().height());
-		if (t.pixmap().isNull())
-			painter->fillRect(QRect(tp, z.tile()), _backgroundColor);
-		else
+		if (!t.pixmap().isNull())
 			painter->drawPixmap(tp, t.pixmap());
 	}
 }