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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGEOTILEDMAPDATA_P_H
#define QGEOTILEDMAPDATA_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qgeomapdata_p.h"
#include "qgeomapobject.h"
#include "qgeomapobject_p.h"
#include <private/projwrapper_p.h>
#include <QRectF>
#include <QHash>
#include <QCache>
#include <QPair>
#include <QList>
class QGraphicsScene;
QTM_BEGIN_NAMESPACE
class QGeoTiledMapData;
class QGeoTiledMapRequest;
class QGeoTiledMapReply;
class QGeoTiledMapObjectInfo;
class QGeoMapObjectEngine;
class QGeoTiledMapDataPrivate : public QGeoMapDataPrivate
{
public:
QGeoTiledMapDataPrivate(QGeoTiledMapData *parent, QGeoMappingManagerEngine *engine);
~QGeoTiledMapDataPrivate();
void updateMapImage();
void clearRequests();
QPointF windowOffset() const;
void paintMap(QPainter *painter, const QStyleOptionGraphicsItem *option);
void paintObjects(QPainter *painter, const QStyleOptionGraphicsItem *option);
void cleanupCaches();
bool intersects(QGeoMapObject *mapObject, const QRectF &rect);
QRect screenRectForZoomFactor(int zoomFactor);
void updateScreenRect();
bool containedInScreen(const QPoint &point) const;
bool intersectsScreen(const QRect &rect) const;
QList<QPair<QRect, QRect> > intersectedScreen(const QRect &rect, bool translateToScreen = true) const;
virtual QPoint screenPositionToWorldReferencePosition(const QPointF &screenPosition) const;
virtual QPoint coordinateToWorldReferencePosition(double lon, double lat) const;
virtual QPointF coordinateToScreenPosition(double lon, double lat) const;
virtual void addObject(QGeoMapObject *object);
virtual void removeObject(QGeoMapObject *object);
virtual void update(QObject *object);
QGeoMapObjectEngine *oe;
int zoomFactor;
QPoint worldReferenceViewportCenter;
QSize worldReferenceSize;
QRect worldReferenceViewportRect;
QRect worldReferenceViewportRectLeft;
QRect worldReferenceViewportRectRight;
QSet<QRect> requestRects;
QSet<QRect> replyRects;
QList<QGeoTiledMapRequest> requests;
QSet<QGeoTiledMapReply*> replies;
QCache<QGeoTiledMapRequest, QImage> cache;
QCache<QGeoTiledMapRequest, QPixmap> zoomCache;
ProjCoordinateSystem spherical;
ProjCoordinateSystem wgs84;
Q_DECLARE_PUBLIC(QGeoTiledMapData)
private:
Q_DISABLE_COPY(QGeoTiledMapDataPrivate)
};
class QGeoTileIterator
{
public:
QGeoTileIterator(const QGeoTiledMapDataPrivate *mapData);
QGeoTileIterator(QGraphicsGeoMap::ConnectivityMode connectivityMode,
QGraphicsGeoMap::MapType mapType,
const QRect &screenRect,
const QSize &tileSize,
int zoomLevel);
bool hasNext();
QGeoTiledMapRequest next();
private:
bool atEnd;
int row;
int col;
int width;
QRect screenRect;
QSize tileSize;
QGraphicsGeoMap::MapType mapType;
QGraphicsGeoMap::ConnectivityMode connectivityMode;
int zoomLevel;
QPoint currTopLeft;
QRect tileRect;
};
QTM_END_NAMESPACE
#endif
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