version 2.21.1

Map download API
mapviewer download feature

libs/map/mapview.h

@@ -51,11 +51,18 @@ public:
 	void setCenter(QPointF c);
 	void setCenter(QGeoCoordinate c) { setCenter(QPointF(c.latitude(), c.longitude())); }
 
+	int getCurrentZoomLevel() const { return zoom_level; }
+	int getMaximumZoomLevel() const { return max_level; }
 	double getZoom() const { return zoom_; }
 	void setZoom(double z);
 
 	QPointF clickedCoordinate() const { return last_click_coord; }
 
+	QString cachePath() const;
+	void setCachePath(const QString & p);
+
+	void downloadCurrentView(int target_zoom_level = 17);
+
 protected:
 	QSize sizeHint() const override { return QSize(200, 200); }
 	void mousePressEvent(QMouseEvent * e) override;
@@ -90,7 +97,7 @@ private:
 	QRectF view_rect;
 	QVector<MapItemBase *> items_;
 	QBrush brush_tr;
-	bool is_pan  = false;
+	bool is_pan = false, is_downloading = false;
 	double zoom_ = 1., scale_ = 1., px2m = 1.;
 	int zoom_level = 0, tiles_side = 1, max_level = 19;