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| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtLocation module of the Qt Toolkit. |
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| ** |
| ** GNU General Public License Usage |
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| ** General Public License version 2.0 or later as published by the Free |
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| |
| #include "qgeomapitemgeometry_p.h" |
| #include "qdeclarativegeomap_p.h" |
| #include "qlocationutils_p.h" |
| #include <QtQuick/QSGGeometry> |
| #include "qdoublevector2d_p.h" |
| #include <QtLocation/private/qgeomap_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| QGeoMapItemGeometry::QGeoMapItemGeometry() |
| : sourceDirty_(true), screenDirty_(true), clipToViewport_(true), preserveGeometry_(false) |
| { |
| } |
| |
| QGeoMapItemGeometry::~QGeoMapItemGeometry() |
| { |
| |
| } |
| |
| /*! |
| \internal |
| */ |
| void QGeoMapItemGeometry::translate(const QPointF &offset) |
| { |
| for (int i = 0; i < screenVertices_.size(); ++i) |
| screenVertices_[i] += offset; |
| |
| firstPointOffset_ += offset; |
| screenOutline_.translate(offset); |
| screenBounds_.translate(offset); |
| } |
| |
| /*! |
| \internal |
| */ |
| void QGeoMapItemGeometry::allocateAndFill(QSGGeometry *geom) const |
| { |
| const QVector<QPointF> &vx = screenVertices_; |
| const QVector<quint32> &ix = screenIndices_; |
| |
| if (isIndexed()) { |
| geom->allocate(vx.size(), ix.size()); |
| if (geom->indexType() == QSGGeometry::UnsignedShortType) { |
| quint16 *its = geom->indexDataAsUShort(); |
| for (int i = 0; i < ix.size(); ++i) |
| its[i] = ix[i]; |
| } else if (geom->indexType() == QSGGeometry::UnsignedIntType) { |
| quint32 *its = geom->indexDataAsUInt(); |
| for (int i = 0; i < ix.size(); ++i) |
| its[i] = ix[i]; |
| } |
| } else { |
| geom->allocate(vx.size()); |
| } |
| |
| QSGGeometry::Point2D *pts = geom->vertexDataAsPoint2D(); |
| for (int i = 0; i < vx.size(); ++i) |
| pts[i].set(vx[i].x(), vx[i].y()); |
| } |
| |
| /*! |
| \internal |
| */ |
| QRectF QGeoMapItemGeometry::translateToCommonOrigin(const QList<QGeoMapItemGeometry *> &geoms) |
| { |
| QGeoCoordinate origin = geoms.at(0)->origin(); |
| |
| QPainterPath brects; |
| |
| // first get max offset |
| QPointF maxOffset = geoms.at(0)->firstPointOffset(); |
| foreach (QGeoMapItemGeometry *g, geoms) { |
| QPointF o = g->firstPointOffset(); |
| maxOffset.setX(qMax(o.x(), maxOffset.x())); |
| maxOffset.setY(qMax(o.y(), maxOffset.y())); |
| } |
| |
| // then translate everything |
| foreach (QGeoMapItemGeometry *g, geoms) { |
| g->translate(maxOffset - g->firstPointOffset()); |
| brects.addRect(g->sourceBoundingBox()); |
| } |
| |
| return brects.boundingRect(); |
| } |
| |
| /*! |
| \internal |
| */ |
| double QGeoMapItemGeometry::geoDistanceToScreenWidth(const QGeoMap &map, |
| const QGeoCoordinate &fromCoord, |
| const QGeoCoordinate &toCoord) |
| { |
| // Do not wrap around half the globe |
| Q_ASSERT(!qFuzzyCompare(fromCoord.longitude(), toCoord.longitude())); |
| |
| QGeoCoordinate mapMid = map.geoProjection().itemPositionToCoordinate(QDoubleVector2D(map.viewportWidth()/2.0, 0)); |
| double halfGeoDist = toCoord.longitude() - fromCoord.longitude(); |
| if (toCoord.longitude() < fromCoord.longitude()) |
| halfGeoDist += 360; |
| halfGeoDist /= 2.0; |
| QGeoCoordinate geoDelta = QGeoCoordinate(0, |
| QLocationUtils::wrapLong(mapMid.longitude() + halfGeoDist)); |
| QDoubleVector2D halfScreenDist = map.geoProjection().coordinateToItemPosition(geoDelta, false) |
| - QDoubleVector2D(map.viewportWidth()/2.0, 0); |
| return halfScreenDist.x() * 2.0; |
| } |
| |
| QT_END_NAMESPACE |