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| ** This file is part of the QtLocation module of the Qt Toolkit. |
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| ** General Public License version 2.0 or later as published by the Free |
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| |
| #include "qmappolylineobjectqsg_p_p.h" |
| #include <QtQuick/qsgnode.h> |
| #include <QtQuick/qsgsimplerectnode.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| /* |
| Note: never use q, since this class is also used inside QMapRouteObjectPrivateQSG! |
| */ |
| |
| QMapPolylineObjectPrivateQSG::QMapPolylineObjectPrivateQSG(QGeoMapObject *q) |
| : QMapPolylineObjectPrivateDefault(q) |
| { |
| |
| } |
| |
| QMapPolylineObjectPrivateQSG::QMapPolylineObjectPrivateQSG(const QMapPolylineObjectPrivate &other) |
| : QMapPolylineObjectPrivateDefault(other) |
| { |
| m_geoPath.setPath(m_path); |
| // rest of the data already cloned by the *Default copy constructor, but necessary |
| // update operations triggered only by setters overrides |
| updateGeometry(); |
| if (m_map) |
| emit m_map->sgNodeChanged(); |
| } |
| |
| QMapPolylineObjectPrivateQSG::~QMapPolylineObjectPrivateQSG() |
| { |
| if (m_map) |
| m_map->removeMapObject(q); |
| } |
| |
| QList<QDoubleVector2D> QMapPolylineObjectPrivateQSG::projectPath() |
| { |
| QList<QDoubleVector2D> geopathProjected_; |
| if (!m_map || m_map->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator) |
| return geopathProjected_; |
| |
| const QGeoProjectionWebMercator &p = |
| static_cast<const QGeoProjectionWebMercator&>(m_map->geoProjection()); |
| geopathProjected_.reserve(m_geoPath.path().size()); |
| for (const QGeoCoordinate &c : m_geoPath.path()) |
| geopathProjected_ << p.geoToMapProjection(c); |
| return geopathProjected_; |
| } |
| |
| void QMapPolylineObjectPrivateQSG::updateGeometry() |
| { |
| if (!m_map || m_geoPath.path().length() == 0 |
| || m_map->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator) |
| return; |
| |
| QScopedValueRollback<bool> rollback(m_updatingGeometry); |
| m_updatingGeometry = true; |
| m_geometry.markSourceDirty(); |
| const QList<QDoubleVector2D> &geopathProjected = projectPath(); |
| m_geometry.setPreserveGeometry(true, m_geoPath.boundingGeoRectangle().topLeft()); |
| m_geometry.updateSourcePoints(*m_map.data(), geopathProjected, m_geoPath.boundingGeoRectangle().topLeft()); |
| m_geometry.updateScreenPoints(*m_map.data(), width(), false); |
| |
| QPointF origin = m_map->geoProjection().coordinateToItemPosition(m_geometry.origin(), false).toPointF(); |
| m_geometry.translate(origin - m_geometry.firstPointOffset()); |
| } |
| |
| QSGNode *QMapPolylineObjectPrivateQSG::updateMapObjectNode(QSGNode *oldNode, |
| VisibleNode **visibleNode, |
| QSGNode *root, |
| QQuickWindow * /*window*/) |
| { |
| Q_UNUSED(visibleNode); |
| MapPolylineNode *node = static_cast<MapPolylineNode *>(oldNode); |
| |
| bool created = false; |
| if (!node) { |
| if (!m_geometry.size()) // condition to block the subtree |
| return nullptr; |
| node = new MapPolylineNode(); |
| *visibleNode = static_cast<VisibleNode *>(node); |
| created = true; |
| } |
| |
| //TODO: update only material |
| if (m_geometry.isScreenDirty() || !oldNode || created) { |
| node->update(color(), &m_geometry); |
| m_geometry.setPreserveGeometry(false); |
| m_geometry.markClean(); |
| } |
| |
| if (created) |
| root->appendChildNode(node); |
| |
| return node; |
| } |
| |
| QList<QGeoCoordinate> QMapPolylineObjectPrivateQSG::path() const |
| { |
| return m_geoPath.path(); |
| } |
| |
| void QMapPolylineObjectPrivateQSG::setPath(const QList<QGeoCoordinate> &path) |
| { |
| m_path = path; |
| m_geoPath.setPath(path); |
| updateGeometry(); |
| if (m_map) |
| emit m_map->sgNodeChanged(); |
| } |
| |
| void QMapPolylineObjectPrivateQSG::setColor(const QColor &color) |
| { |
| QMapPolylineObjectPrivateDefault::setColor(color); |
| updateGeometry(); |
| |
| if (m_map) |
| emit m_map->sgNodeChanged(); |
| } |
| |
| void QMapPolylineObjectPrivateQSG::setWidth(qreal width) |
| { |
| QMapPolylineObjectPrivateDefault::setWidth(width); |
| updateGeometry(); |
| |
| if (m_map) |
| emit m_map->sgNodeChanged(); |
| } |
| |
| QGeoMapObjectPrivate *QMapPolylineObjectPrivateQSG::clone() |
| { |
| return new QMapPolylineObjectPrivateQSG(static_cast<QMapPolylineObjectPrivate &>(*this)); |
| } |
| |
| QGeoShape QMapPolylineObjectPrivateQSG::geoShape() const |
| { |
| return m_geoPath; |
| } |
| |
| QT_END_NAMESPACE |