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Diffstat (limited to 'demos/embedded/lightmaps/slippymap.h')
-rw-r--r-- | demos/embedded/lightmaps/slippymap.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/demos/embedded/lightmaps/slippymap.h b/demos/embedded/lightmaps/slippymap.h new file mode 100644 index 0000000..ba43e40 --- /dev/null +++ b/demos/embedded/lightmaps/slippymap.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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
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