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| 2 | ** |
| 3 | ** Copyright (C) 2017 The Qt Company Ltd. |
| 4 | ** Contact: http://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtLocation module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL3$ |
| 9 | ** Commercial License Usage |
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| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
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| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or later as published by the Free |
| 28 | ** Software Foundation and appearing in the file LICENSE.GPL included in |
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| 30 | ** ensure the GNU General Public License version 2.0 requirements will be |
| 31 | ** met: http://www.gnu.org/licenses/gpl-2.0.html. |
| 32 | ** |
| 33 | ** $QT_END_LICENSE$ |
| 34 | ** |
| 35 | ****************************************************************************/ |
| 36 | |
| 37 | #include "qgeomapitemsoverlay.h" |
| 38 | #include "qgeomappingmanagerengineitemsoverlay.h" |
| 39 | #include <QtLocation/private/qgeomap_p_p.h> |
| 40 | #include <QtQuick/qsgnode.h> |
| 41 | #include <QtQuick/qsgrectanglenode.h> |
| 42 | #include <QtQuick/qquickwindow.h> |
| 43 | |
| 44 | #ifdef LOCATIONLABS |
| 45 | #include <QtLocation/private/qmappolylineobjectqsg_p_p.h> |
| 46 | #include <QtLocation/private/qmappolygonobjectqsg_p_p.h> |
| 47 | #include <QtLocation/private/qmapcircleobjectqsg_p_p.h> |
| 48 | #include <QtLocation/private/qmaprouteobjectqsg_p_p.h> |
| 49 | #include <QtLocation/private/qmapiconobjectqsg_p_p.h> |
| 50 | #include <QtLocation/private/qdeclarativepolylinemapitem_p.h> |
| 51 | #include <QtLocation/private/qgeomapobjectqsgsupport_p.h> |
| 52 | #endif |
| 53 | |
| 54 | QT_BEGIN_NAMESPACE |
| 55 | |
| 56 | class QGeoMapItemsOverlayPrivate : public QGeoMapPrivate |
| 57 | { |
| 58 | Q_DECLARE_PUBLIC(QGeoMapItemsOverlay) |
| 59 | public: |
| 60 | QGeoMapItemsOverlayPrivate(QGeoMappingManagerEngineItemsOverlay *engine, QGeoMapItemsOverlay *map); |
| 61 | virtual ~QGeoMapItemsOverlayPrivate(); |
| 62 | |
| 63 | #ifdef LOCATIONLABS |
| 64 | QGeoMapObjectPrivate *createMapObjectImplementation(QGeoMapObject *obj) override; |
| 65 | virtual QList<QGeoMapObject *> mapObjects() const override; |
| 66 | void removeMapObject(QGeoMapObject *obj); |
| 67 | void updateMapObjects(QSGNode *root, QQuickWindow *window); |
| 68 | QList<QObject *>mapObjectsAt(const QGeoCoordinate &coordinate) const; |
| 69 | |
| 70 | QGeoMapObjectQSGSupport m_qsgSupport; |
| 71 | #endif |
| 72 | |
| 73 | void updateObjectsGeometry(); |
| 74 | |
| 75 | void setVisibleArea(const QRectF &visibleArea) override; |
| 76 | QRectF visibleArea() const override; |
| 77 | |
| 78 | protected: |
| 79 | void changeViewportSize(const QSize &size) override; |
| 80 | void changeCameraData(const QGeoCameraData &oldCameraData) override; |
| 81 | void changeActiveMapType(const QGeoMapType mapType) override; |
| 82 | |
| 83 | QRectF m_visibleArea; |
| 84 | }; |
| 85 | |
| 86 | QGeoMapItemsOverlay::QGeoMapItemsOverlay(QGeoMappingManagerEngineItemsOverlay *engine, QObject *parent) |
| 87 | : QGeoMap(*(new QGeoMapItemsOverlayPrivate(engine, this)), parent) |
| 88 | { |
| 89 | |
| 90 | } |
| 91 | |
| 92 | QGeoMapItemsOverlay::~QGeoMapItemsOverlay() |
| 93 | { |
| 94 | } |
| 95 | |
| 96 | QGeoMap::Capabilities QGeoMapItemsOverlay::capabilities() const |
| 97 | { |
| 98 | return Capabilities(SupportsVisibleRegion |
| 99 | | SupportsSetBearing |
| 100 | | SupportsAnchoringCoordinate); |
| 101 | } |
| 102 | |
| 103 | bool QGeoMapItemsOverlay::createMapObjectImplementation(QGeoMapObject *obj) |
| 104 | { |
| 105 | #ifndef LOCATIONLABS |
| 106 | Q_UNUSED(obj); |
| 107 | return false; |
| 108 | #else |
| 109 | Q_D(QGeoMapItemsOverlay); |
| 110 | return d->m_qsgSupport.createMapObjectImplementation(obj, d); |
| 111 | #endif |
| 112 | } |
| 113 | |
| 114 | QSGNode *QGeoMapItemsOverlay::updateSceneGraph(QSGNode *node, QQuickWindow *window) |
| 115 | { |
| 116 | #ifndef LOCATIONLABS |
| 117 | Q_UNUSED(window); |
| 118 | return node; |
| 119 | #else |
| 120 | Q_D(QGeoMapItemsOverlay); |
| 121 | |
| 122 | QSGRectangleNode *mapRoot = static_cast<QSGRectangleNode *>(node); |
| 123 | if (!mapRoot) |
| 124 | mapRoot = window->createRectangleNode(); |
| 125 | |
| 126 | mapRoot->setRect(QRect(0, 0, viewportWidth(), viewportHeight())); |
| 127 | mapRoot->setColor(QColor(0,0,0,0)); |
| 128 | |
| 129 | d->updateMapObjects(mapRoot, window); |
| 130 | return mapRoot; |
| 131 | #endif |
| 132 | } |
| 133 | |
| 134 | void QGeoMapItemsOverlay::removeMapObject(QGeoMapObject *obj) |
| 135 | { |
| 136 | #ifndef LOCATIONLABS |
| 137 | Q_UNUSED(obj); |
| 138 | #else |
| 139 | Q_D(QGeoMapItemsOverlay); |
| 140 | d->removeMapObject(obj); |
| 141 | #endif |
| 142 | } |
| 143 | |
| 144 | QList<QObject *> QGeoMapItemsOverlay::mapObjectsAt(const QGeoCoordinate &coordinate) const |
| 145 | { |
| 146 | #ifdef LOCATIONLABS |
| 147 | Q_D(const QGeoMapItemsOverlay); |
| 148 | return d->mapObjectsAt(coordinate); |
| 149 | #else |
| 150 | return QGeoMap::mapObjectsAt(coordinate); |
| 151 | #endif |
| 152 | } |
| 153 | |
| 154 | void QGeoMapItemsOverlayPrivate::setVisibleArea(const QRectF &visibleArea) |
| 155 | { |
| 156 | Q_Q(QGeoMapItemsOverlay); |
| 157 | const QRectF va = clampVisibleArea(visibleArea); |
| 158 | if (va == m_visibleArea) |
| 159 | return; |
| 160 | |
| 161 | m_visibleArea = va; |
| 162 | m_geoProjection->setVisibleArea(va); |
| 163 | |
| 164 | q->sgNodeChanged(); |
| 165 | } |
| 166 | |
| 167 | QRectF QGeoMapItemsOverlayPrivate::visibleArea() const |
| 168 | { |
| 169 | return m_visibleArea; |
| 170 | } |
| 171 | |
| 172 | QGeoMapItemsOverlayPrivate::QGeoMapItemsOverlayPrivate(QGeoMappingManagerEngineItemsOverlay *engine, QGeoMapItemsOverlay *map) |
| 173 | : QGeoMapPrivate(engine, new QGeoProjectionWebMercator) |
| 174 | { |
| 175 | #ifndef LOCATIONLABS |
| 176 | Q_UNUSED(map); |
| 177 | #else |
| 178 | m_qsgSupport.m_map = map; |
| 179 | #endif |
| 180 | } |
| 181 | |
| 182 | QGeoMapItemsOverlayPrivate::~QGeoMapItemsOverlayPrivate() |
| 183 | { |
| 184 | } |
| 185 | |
| 186 | #ifdef LOCATIONLABS |
| 187 | QGeoMapObjectPrivate *QGeoMapItemsOverlayPrivate::createMapObjectImplementation(QGeoMapObject *obj) |
| 188 | { |
| 189 | return m_qsgSupport.createMapObjectImplementationPrivate(obj); |
| 190 | } |
| 191 | |
| 192 | QList<QGeoMapObject *> QGeoMapItemsOverlayPrivate::mapObjects() const |
| 193 | { |
| 194 | return m_qsgSupport.mapObjects(); |
| 195 | } |
| 196 | |
| 197 | void QGeoMapItemsOverlayPrivate::removeMapObject(QGeoMapObject *obj) |
| 198 | { |
| 199 | m_qsgSupport.removeMapObject(obj); |
| 200 | } |
| 201 | |
| 202 | void QGeoMapItemsOverlayPrivate::updateMapObjects(QSGNode *root, QQuickWindow *window) |
| 203 | { |
| 204 | m_qsgSupport.updateMapObjects(root, window); |
| 205 | } |
| 206 | |
| 207 | QList<QObject *> QGeoMapItemsOverlayPrivate::mapObjectsAt(const QGeoCoordinate &coordinate) const |
| 208 | { |
| 209 | // ToDo: use a space partitioning strategy |
| 210 | QList<QObject *> res; |
| 211 | for (const auto o: mapObjects()) { |
| 212 | // explicitly handle lines |
| 213 | bool contains = false; |
| 214 | if (o->type() == QGeoMapObject::PolylineType ) { |
| 215 | QMapPolylineObject *mpo = static_cast<QMapPolylineObject *>(o); |
| 216 | qreal mpp = QLocationUtils::metersPerPixel(m_cameraData.zoomLevel(), coordinate); |
| 217 | QGeoPath path = o->geoShape(); |
| 218 | path.setWidth(mpp * mpo->border()->width()); |
| 219 | contains = path.contains(coordinate); |
| 220 | } else if (o->type() == QGeoMapObject::RouteType) { |
| 221 | qreal mpp = QLocationUtils::metersPerPixel(m_cameraData.zoomLevel(), coordinate); |
| 222 | QGeoPath path = o->geoShape(); |
| 223 | path.setWidth(mpp * 4); // MapRouteObjectQSG has a hardcoded 4 pixels width; |
| 224 | contains = path.contains(coordinate); |
| 225 | } else { |
| 226 | contains = o->geoShape().contains(coordinate); |
| 227 | } |
| 228 | |
| 229 | if (contains) |
| 230 | res.append(o); |
| 231 | } |
| 232 | return res; |
| 233 | } |
| 234 | #endif |
| 235 | |
| 236 | void QGeoMapItemsOverlayPrivate::updateObjectsGeometry() |
| 237 | { |
| 238 | #ifdef LOCATIONLABS |
| 239 | m_qsgSupport.updateObjectsGeometry(); |
| 240 | #endif |
| 241 | } |
| 242 | |
| 243 | void QGeoMapItemsOverlayPrivate::changeViewportSize(const QSize &/*size*/) |
| 244 | { |
| 245 | updateObjectsGeometry(); |
| 246 | } |
| 247 | |
| 248 | void QGeoMapItemsOverlayPrivate::changeCameraData(const QGeoCameraData &/*oldCameraData*/) |
| 249 | { |
| 250 | updateObjectsGeometry(); |
| 251 | } |
| 252 | |
| 253 | void QGeoMapItemsOverlayPrivate::changeActiveMapType(const QGeoMapType /*mapType*/) |
| 254 | { |
| 255 | updateObjectsGeometry(); |
| 256 | } |
| 257 | |
| 258 | QT_END_NAMESPACE |
| 259 | |
| 260 | |
| 261 | |
| 262 | |
| 263 | |