version 2.13.0

add Map library (MapView with OSM maps and items) and mapviewer util
2023-01-20 09:16:42 +03:00
parent 10212e2ebd
commit 958c81fb1d
46 changed files with 2383 additions and 1 deletions
--- a/libs/map/mapview.h
+++ b/libs/map/mapview.h
@@ -0,0 +1,104 @@
+/*
+    QAD - Qt ADvanced
+
+	Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef mapview_h
+#define mapview_h
+
+#include "mapitembase.h"
+#include "qad_map_export.h"
+
+#include <QImage>
+#include <QWidget>
+
+
+class OSMDownloader;
+class OSMTileCache;
+
+class QAD_MAP_EXPORT MapView: public QWidget {
+	Q_OBJECT
+	Q_PROPERTY(QPointF center READ center WRITE setCenter)
+	Q_PROPERTY(double zoom READ getZoom WRITE setZoom)
+
+	friend class OSMDownloader;
+	friend class OSMTileCache;
+	friend class MapItemBase;
+
+public:
+	explicit MapView(QWidget * parent = 0);
+	~MapView();
+
+	void addItem(MapItemBase * item);
+	void removeItem(MapItemBase * item);
+
+	QPointF center() const;
+	void setCenter(QPointF c);
+
+	double getZoom() const { return zoom_; }
+	void setZoom(double z);
+
+private:
+	QSize sizeHint() const override { return QSize(200, 200); }
+	void mousePressEvent(QMouseEvent * e) override;
+	void mouseReleaseEvent(QMouseEvent * e) override;
+	void mouseDoubleClickEvent(QMouseEvent * e) override;
+	void mouseMoveEvent(QMouseEvent * e) override;
+	void wheelEvent(QWheelEvent * e) override;
+	void paintEvent(QPaintEvent *) override;
+	void resizeEvent(QResizeEvent *) override;
+	void drawBackground();
+	void drawItems(QPainter & p);
+	void checkZoom();
+	void zoomLevelChanged(int new_level);
+	void updateZoomLevel();
+	void updateViewRect();
+	void updateMouse(QPoint mouse);
+	double scalePx2M(QPointF norm);
+
+	QPointF mapToNorm(QPoint screen) const;
+	QPoint mapFromNorm(QPointF norm) const;
+
+	OSMDownloader * downloader = nullptr;
+	OSMTileCache * cache       = nullptr;
+	MapItemBase * hover        = nullptr;
+	QPointF center_            = QPointF(0.5, 0.5);
+	QPoint press_point;
+	QPixmap background;
+	QRectF view_rect;
+	QVector<MapItemBase *> items_;
+	QBrush brush_tr;
+	bool is_pan  = false;
+	double zoom_ = 1., scale_ = 1., px2m = 1.;
+	int zoom_level = 0, tiles_side = 1, max_level = 19;
+
+public slots:
+	void zoom(double factor);
+	void zoom(double factor, QPoint anchor);
+	void zoomTo(double level);
+	void centerTo(QPointF coord);
+
+private slots:
+
+signals:
+	void itemClicked(MapItemBase * item);
+	void itemEntered(MapItemBase * item);
+	void itemLeaved(MapItemBase * item);
+};
+
+
+#endif