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Diffstat (limited to 'src/positioningquick/locationsingleton.cpp')
| -rw-r--r-- | src/positioningquick/locationsingleton.cpp | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/src/positioningquick/locationsingleton.cpp b/src/positioningquick/locationsingleton.cpp new file mode 100644 index 00000000..afc80bae --- /dev/null +++ b/src/positioningquick/locationsingleton.cpp @@ -0,0 +1,386 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtPositioning module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/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 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "locationsingleton_p.h" +#include <QtPositioning/private/qwebmercator_p.h> +#include <QtPositioning/private/qdoublevector2d_p.h> +#include <QDebug> + +static QGeoCoordinate parseCoordinate(const QJSValue &value, bool *ok) +{ + QGeoCoordinate c; + + if (value.isObject()) { + if (value.hasProperty(QStringLiteral("latitude"))) + c.setLatitude(value.property(QStringLiteral("latitude")).toNumber()); + if (value.hasProperty(QStringLiteral("longitude"))) + c.setLongitude(value.property(QStringLiteral("longitude")).toNumber()); + if (value.hasProperty(QStringLiteral("altitude"))) + c.setAltitude(value.property(QStringLiteral("altitude")).toNumber()); + + if (ok) + *ok = true; + } + + return c; +} + + +/*! + \qmltype QtPositioning + \instantiates LocationSingleton + \inqmlmodule QtPositioning + \since 5.2 + + \brief The QtPositioning global object provides useful functions for working with location-based + types in QML. + + \qml + import QtPositioning 5.2 + + Item { + property variant coordinate: QtPositioning.coordinate(-27.5, 153.1) + } + \endqml +*/ + +LocationSingleton::LocationSingleton(QObject *parent) +: QObject(parent) +{ +} + +/*! + \qmlmethod coordinate ::QtPositioning::coordinate() + + Constructs an invalid coordinate. + +*/ +QGeoCoordinate LocationSingleton::coordinate() const +{ + return QGeoCoordinate(); +} + +/*! + \qmlmethod coordinate QtPositioning::coordinate(real latitude, real longitude, real altitude) const + + Constructs a coordinate with the specified \a latitude, \a longitude and optional \a altitude. + Both \a latitude and \a longitude must be valid, otherwise an invalid coordinate is returned. + + \sa {coordinate} +*/ +QGeoCoordinate LocationSingleton::coordinate(double latitude, double longitude, double altitude) const +{ + return QGeoCoordinate(latitude, longitude, altitude); +} + +/*! + \qmlmethod geoshape QtPositioning::shape() const + + Constructs an invalid geoshape. + + \sa {geoshape} +*/ +QGeoShape LocationSingleton::shape() const +{ + return QGeoShape(); +} + +/*! + \qmlmethod georectangle QtPositioning::rectangle() const + + Constructs an invalid georectangle. + + \sa {georectangle} +*/ +QGeoRectangle LocationSingleton::rectangle() const +{ + return QGeoRectangle(); +} + +/*! + \qmlmethod georectangle QtPositioning::rectangle(coordinate center, real width, real height) const + + Constructs a georectangle centered at \a center with a width of \a width degrees and a hight of + \a height degrees. + + \sa {georectangle} +*/ +QGeoRectangle LocationSingleton::rectangle(const QGeoCoordinate ¢er, + double width, double height) const +{ + return QGeoRectangle(center, width, height); +} + +/*! + \qmlmethod georectangle QtPositioning::rectangle(coordinate topLeft, coordinate bottomRight) const + + Constructs a georectangle with its top left corner positioned at \a topLeft and its bottom + right corner positioned at \a {bottomRight}. + + \sa {georectangle} +*/ +QGeoRectangle LocationSingleton::rectangle(const QGeoCoordinate &topLeft, + const QGeoCoordinate &bottomRight) const +{ + return QGeoRectangle(topLeft, bottomRight); +} + +/*! + \qmlmethod georectangle QtLocation5::QtLocation::rectangle(list<coordinate> coordinates) const + + Constructs a georectangle from the list of coordinates, the returned list is the smallest possible + containing all the coordinates. + + \sa {georectangle} +*/ +QGeoRectangle LocationSingleton::rectangle(const QVariantList &coordinates) const +{ + QList<QGeoCoordinate> internalCoordinates; + for (int i = 0; i < coordinates.size(); i++) { + if (coordinates.at(i).canConvert<QGeoCoordinate>()) + internalCoordinates << coordinates.at(i).value<QGeoCoordinate>(); + } + return QGeoRectangle(internalCoordinates); +} + +/*! + \qmlmethod geocircle QtPositioning::circle() const + + Constructs an invalid geocircle. + + \sa {geocircle} +*/ +QGeoCircle LocationSingleton::circle() const +{ + return QGeoCircle(); +} + +/*! + \qmlmethod geocircle QtPositioning::circle(coordinate center, real radius) const + + Constructs a geocircle centered at \a center with a radius of \a radius meters. +*/ +QGeoCircle LocationSingleton::circle(const QGeoCoordinate ¢er, qreal radius) const +{ + return QGeoCircle(center, radius); +} + +/*! + \qmlmethod geopath QtPositioning::path() const + + Constructs an empty geopath. + + \sa {geopath} + \since 5.9 +*/ +QGeoPath LocationSingleton::path() const +{ + return QGeoPath(); +} + +/*! + \qmlmethod geopath QtPositioning::path(list<coordinate> coordinates, real width) const + + Constructs a geopath from coordinates and width. + + \sa {geopath} + \since 5.9 +*/ +QGeoPath LocationSingleton::path(const QJSValue &value, qreal width) const +{ + QList<QGeoCoordinate> pathList; + + if (value.isArray()) { + quint32 length = value.property(QStringLiteral("length")).toUInt(); + for (quint32 i = 0; i < length; ++i) { + bool ok; + QGeoCoordinate c = parseCoordinate(value.property(i), &ok); + + if (!ok || !c.isValid()) { + pathList.clear(); // aborting + break; + } + + pathList.append(c); + } + } + + return QGeoPath(pathList, width); +} + +/*! + \qmlmethod geopolygon QtPositioning::polygon() const + + Constructs an empty polygon. + + \sa {geopolygon} + \since 5.10 +*/ +QGeoPolygon LocationSingleton::polygon() const +{ + return QGeoPolygon(); +} + +/*! + \qmlmethod geopolygon QtPositioning::polygon(list<coordinate> coordinates) const + + Constructs a polygon from coordinates. + + \sa {geopolygon} + \since 5.10 +*/ +QGeoPolygon LocationSingleton::polygon(const QVariantList &coordinates) const +{ + QList<QGeoCoordinate> internalCoordinates; + for (int i = 0; i < coordinates.size(); i++) { + if (coordinates.at(i).canConvert<QGeoCoordinate>()) + internalCoordinates << coordinates.at(i).value<QGeoCoordinate>(); + } + return QGeoPolygon(internalCoordinates); +} + +/*! + \qmlmethod geopolygon QtPositioning::polygon(list<coordinate> perimeter, list<list<coordinate>> holes) const + + Constructs a polygon from coordinates for perimeter and inner holes. + + \sa {geopolygon} + \since 5.12 +*/ +QGeoPolygon LocationSingleton::polygon(const QVariantList &perimeter, const QVariantList &holes) const +{ + QList<QGeoCoordinate> internalCoordinates; + for (int i = 0; i < perimeter.size(); i++) { + if (perimeter.at(i).canConvert<QGeoCoordinate>()) + internalCoordinates << perimeter.at(i).value<QGeoCoordinate>(); + } + QGeoPolygon poly(internalCoordinates); + + for (int i = 0; i < holes.size(); i++) { + if (holes.at(i).metaType().id() == QMetaType::QVariantList) { + QList<QGeoCoordinate> hole; + const QVariantList &holeData = holes.at(i).toList(); + for (int j = 0; j < holeData.size(); j++) { + if (holeData.at(j).canConvert<QGeoCoordinate>()) + hole << holeData.at(j).value<QGeoCoordinate>(); + } + if (hole.size()) + poly.addHole(hole); + } + } + + return poly; +} + +/*! + \qmlmethod geocircle QtPositioning::shapeToCircle(geoshape shape) const + + Converts \a shape to a geocircle. + + \sa {geocircle} + \since 5.5 +*/ +QGeoCircle LocationSingleton::shapeToCircle(const QGeoShape &shape) const +{ + return QGeoCircle(shape); +} + +/*! + \qmlmethod georectangle QtPositioning::shapeToRectangle(geoshape shape) const + + Converts \a shape to a georectangle. + + \sa {georectangle} + \since 5.5 +*/ +QGeoRectangle LocationSingleton::shapeToRectangle(const QGeoShape &shape) const +{ + return QGeoRectangle(shape); +} + +/*! + \qmlmethod geopath QtPositioning::shapeToPath(geoshape shape) const + + Converts \a shape to a geopath. + + \sa {geopath} + \since 5.9 +*/ +QGeoPath LocationSingleton::shapeToPath(const QGeoShape &shape) const +{ + return QGeoPath(shape); +} + +/*! + \qmlmethod geopolygon QtPositioning::shapeToPolygon(geoshape shape) const + + Converts \a shape to a polygon. + + \sa {geopolygon} + \since 5.10 +*/ +QGeoPolygon LocationSingleton::shapeToPolygon(const QGeoShape &shape) const +{ + return QGeoPolygon(shape); +} + +/*! + \qmlmethod coordinate QtPositioning::mercatorToCoord(point mercator) const + + Converts a \a mercator coordinate into a latitude-longitude coordinate. + + \sa {coordToMercator} + \since 5.12 +*/ +QGeoCoordinate LocationSingleton::mercatorToCoord(const QPointF &mercator) const +{ + return QWebMercator::mercatorToCoord(QDoubleVector2D(mercator.x(), mercator.y())); +} + +/*! + \qmlmethod point QtPositioning::coordToMercator(coordinate coord) const + + Converts a coordinate \a coord into a mercator coordinate and returns it. + \sa {mercatorToCoord} + \since 5.12 +*/ +QPointF LocationSingleton::coordToMercator(const QGeoCoordinate &coord) const +{ + return QWebMercator::coordToMercator(coord).toPointF(); +} |