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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtPositioning module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QLOCATIONUTILS_P_H
#define QLOCATIONUTILS_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 <QtCore/QtGlobal>
QT_BEGIN_NAMESPACE
class QTime;
class QByteArray;
class QGeoPositionInfo;
class QLocationUtils
{
public:
inline static bool isValidLat(double lat) {
return lat >= -90 && lat <= 90;
}
inline static bool isValidLong(double lng) {
return lng >= -180 && lng <= 180;
}
inline static double clipLat(double lat) {
if (lat > 90)
lat = 90;
else if (lat < -90)
lat = -90;
return lat;
}
inline static double wrapLong(double lng) {
if (lng > 180)
lng -= 360;
else if (lng < -180)
lng += 360;
return lng;
}
/*
Creates a QGeoPositionInfo from a GGA, GLL, RMC, VTG or ZDA sentence.
Note:
- GGA and GLL sentences have time but not date so the update's
QDateTime object will have an invalid date.
- RMC reports date with a two-digit year so in this case the year
is assumed to be after the year 2000.
*/
Q_AUTOTEST_EXPORT static bool getPosInfoFromNmea(const char *data, int size,
QGeoPositionInfo *info, double uere,
bool *hasFix = 0);
/*
Returns true if the given NMEA sentence has a valid checksum.
*/
Q_AUTOTEST_EXPORT static bool hasValidNmeaChecksum(const char *data, int size);
/*
Returns time from a string in hhmmss or hhmmss.z+ format.
*/
Q_AUTOTEST_EXPORT static bool getNmeaTime(const QByteArray &bytes, QTime *time);
/*
Accepts for example ("2734.7964", 'S', "15306.0124", 'E') and returns the
lat-long values. Fails if lat or long fail isValidLat() or isValidLong().
*/
Q_AUTOTEST_EXPORT static bool getNmeaLatLong(const QByteArray &latString, char latDirection, const QByteArray &lngString, char lngDirection, double *lat, double *lon);
};
QT_END_NAMESPACE
#endif
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