diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/location/declarativemaps/qdeclarativegeomap.cpp | 23 | ||||
| -rw-r--r-- | src/location/maps/qgeoprojection.cpp | 20 | ||||
| -rw-r--r-- | src/positioning/qlocationutils_p.h | 2 |
3 files changed, 29 insertions, 16 deletions
diff --git a/src/location/declarativemaps/qdeclarativegeomap.cpp b/src/location/declarativemaps/qdeclarativegeomap.cpp index 90ae2b34..dedb590e 100644 --- a/src/location/declarativemaps/qdeclarativegeomap.cpp +++ b/src/location/declarativemaps/qdeclarativegeomap.cpp @@ -1323,20 +1323,21 @@ QGeoShape QDeclarativeGeoMap::visibleRegion() const const QList<QDoubleVector2D> &visibleRegion = m_map->geoProjection().visibleRegion(); QGeoPath path; - for (const QDoubleVector2D &c: visibleRegion) + for (int i = 0; i < visibleRegion.size(); ++i) { + const QDoubleVector2D &c = visibleRegion.at(i); + // If a segment spans more than half of the map longitudinally, split in 2. + if (i && qAbs(visibleRegion.at(i-1).x() - c.x()) >= 0.5) { // This assumes a segment is never >= 1.0 (whole map span) + QDoubleVector2D extraPoint = (visibleRegion.at(i-1) + c) * 0.5; + path.addCoordinate(m_map->geoProjection().wrappedMapProjectionToGeo(extraPoint)); + } path.addCoordinate(m_map->geoProjection().wrappedMapProjectionToGeo(c)); - - QGeoRectangle vr = path.boundingGeoRectangle(); - - bool empty = vr.topLeft().latitude() == vr.bottomRight().latitude() || - qFuzzyCompare(vr.topLeft().longitude(), vr.bottomRight().longitude()); // QTBUG-57690 - - if (empty) { - vr.setTopLeft(QGeoCoordinate(vr.topLeft().latitude(), -180)); - vr.setBottomRight(QGeoCoordinate(vr.bottomRight().latitude(), 180)); + } + if (visibleRegion.size() >= 2 && qAbs(visibleRegion.last().x() - visibleRegion.first().x()) >= 0.5) { + QDoubleVector2D extraPoint = (visibleRegion.last() + visibleRegion.first()) * 0.5; + path.addCoordinate(m_map->geoProjection().wrappedMapProjectionToGeo(extraPoint)); } - return vr; + return path.boundingGeoRectangle(); } /*! diff --git a/src/location/maps/qgeoprojection.cpp b/src/location/maps/qgeoprojection.cpp index 609fb934..013a8c33 100644 --- a/src/location/maps/qgeoprojection.cpp +++ b/src/location/maps/qgeoprojection.cpp @@ -491,11 +491,17 @@ void QGeoProjectionWebMercator::updateVisibleRegion() QDoubleVector2D bl = viewportToWrappedMapProjection(QDoubleVector2D(-1, 1 )); QDoubleVector2D br = viewportToWrappedMapProjection(QDoubleVector2D( 1, 1 )); + // To make sure that what is returned can be safely converted back to lat/lon without risking overlaps + double mapLeftLongitude = QLocationUtils::mapLeftLongitude(m_cameraData.center().longitude()); + double mapRightLongitude = QLocationUtils::mapRightLongitude(m_cameraData.center().longitude()); + double leftX = geoToWrappedMapProjection(QGeoCoordinate(0, mapLeftLongitude)).x(); + double rightX = geoToWrappedMapProjection(QGeoCoordinate(0, mapRightLongitude)).x(); + QList<QDoubleVector2D> mapRect; - mapRect.push_back(QDoubleVector2D(-1.0, 1.0)); - mapRect.push_back(QDoubleVector2D( 2.0, 1.0)); - mapRect.push_back(QDoubleVector2D( 2.0, 0.0)); - mapRect.push_back(QDoubleVector2D(-1.0, 0.0)); + mapRect.push_back(QDoubleVector2D(leftX, 1.0)); + mapRect.push_back(QDoubleVector2D(rightX, 1.0)); + mapRect.push_back(QDoubleVector2D(rightX, 0.0)); + mapRect.push_back(QDoubleVector2D(leftX, 0.0)); QList<QDoubleVector2D> viewportRect; viewportRect.push_back(bl); @@ -514,6 +520,12 @@ void QGeoProjectionWebMercator::updateVisibleRegion() m_visibleRegion = QClipperUtils::pathToQList(res[0]); // Intersection between two convex quadrilaterals should always be a single polygon m_projectableRegion.clear(); + mapRect.clear(); + // The full map rectangle in extended mercator space + mapRect.push_back(QDoubleVector2D(-1.0, 1.0)); + mapRect.push_back(QDoubleVector2D( 2.0, 1.0)); + mapRect.push_back(QDoubleVector2D( 2.0, 0.0)); + mapRect.push_back(QDoubleVector2D(-1.0, 0.0)); if (m_cameraData.tilt() == 0) { m_projectableRegion = mapRect; } else { diff --git a/src/positioning/qlocationutils_p.h b/src/positioning/qlocationutils_p.h index 75c4b7f4..69cf0fee 100644 --- a/src/positioning/qlocationutils_p.h +++ b/src/positioning/qlocationutils_p.h @@ -55,7 +55,7 @@ #include <qmath.h> #include <QtPositioning/QGeoCoordinate> -static const double offsetEpsilon = 0.0000000000001; +static const double offsetEpsilon = 1e-12; // = 0.000000000001 static const double leftOffset = -180.0 + offsetEpsilon; static const double rightOffset = 180.0 - offsetEpsilon; |