slippymap.h Example File

demos/embedded/lightmaps/slippymap.h
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 #ifndef SLIPPYMAP_H
 #define SLIPPYMAP_H

 #include <QNetworkAccessManager>
 #include <QPixmap>
 #include <QUrl>

 class QNetworkReply;
 class QPainter;

 class SlippyMap: public QObject
 {
     Q_OBJECT

 public:
     SlippyMap(QObject *parent = 0);
     void invalidate();
     void render(QPainter *p, const QRect &rect);
     void pan(const QPoint &delta);

     int width;
     int height;
     int zoom;
     qreal latitude;
     qreal longitude;

 signals:
     void updated(const QRect &rect);

 private slots:
     void handleNetworkData(QNetworkReply *reply);
     void download();

 protected:
     QRect tileRect(const QPoint &tp);

 private:
     QPoint m_offset;
     QRect m_tilesRect;
     QPixmap m_emptyTile;
     QHash<QPoint, QPixmap> m_tilePixmaps;
     QNetworkAccessManager m_manager;
     QUrl m_url;
 };

 #endif