bool QGeoRouteXmlParser::parseBoundingBox(QGeoBoundingBox &bounds)
{
Q_ASSERT(m_reader->isStartElement() && m_reader->name() == "BoundingBox");
QGeoCoordinate tl;
QGeoCoordinate br;
m_reader->readNext();
while (!(m_reader->tokenType() == QXmlStreamReader::EndElement && m_reader->name() == "BoundingBox")) {
if (m_reader->tokenType() == QXmlStreamReader::StartElement) {
if (m_reader->name() == "TopLeft") {
QGeoCoordinate coordinates;
if (parseCoordinates(coordinates))
tl = coordinates;
} else if (m_reader->name() == "BottomRight") {
QGeoCoordinate coordinates;
if (parseCoordinates(coordinates))
br = coordinates;
} else {
m_reader->skipCurrentElement();
}
}
m_reader->readNext();
}
if (tl.isValid() && br.isValid()) {
bounds = QGeoBoundingBox(tl, br);
return true;
}
return false;
}
/*!
Returns a bounding box corresponding to the physical area displayed
in the viewport of the map.
The bounding box which is returned is defined by the upper left and
lower right corners of the visible area of the map.
*/
QGeoBoundingBox QGraphicsGeoMap::viewport() const
{
if (!d_ptr->mapData)
return QGeoBoundingBox();
return d_ptr->mapData->viewport();
}
/*!
Returns a bounding box which contains this map object.
The default implementation requires the object to be added to a map
before this function returns a valid bounding box.
\since 1.1
*/
QGeoBoundingBox QGeoMapObject::boundingBox() const
{
if (!d_ptr->info)
return QGeoBoundingBox();
return d_ptr->info->boundingBox();
}
void QDeclarativeLandmarkBoxFilter::setBottomRight(QDeclarativeCoordinate* coordinate)
{
if (m_bottomRight == coordinate)
return;
m_bottomRight = coordinate;
if (m_topLeft && m_bottomRight)
m_filter.setBoundingBox(QGeoBoundingBox(m_topLeft->coordinate(), m_bottomRight->coordinate()));
emit bottomRightChanged();
emit filterContentChanged();
}
QGeoBoundingBox QGeoTiledMapObjectInfo::boundingBox() const
{
if (!graphicsItem || !tiledMapData)
return QGeoBoundingBox();
QGeoMapObjectEngine *e = tiledMapDataPrivate->oe;
QGeoMapObject *object = mapObject();
e->updateTransforms();
if (e->latLonExact.contains(object)) {
QList<QGraphicsItem*> items = e->latLonExact.values(object);
QGeoBoundingBox box;
foreach (QGraphicsItem *item, items) {
QRectF latLonBounds = item->boundingRect();
QPointF topLeft = latLonBounds.bottomLeft();
if (topLeft.x() >= 180.0 * 3600.0)
topLeft.setX(topLeft.x() - 360.0 * 3600.0);
if (topLeft.x() < -180.0 * 3600.0)
topLeft.setX(topLeft.x() + 360.0 * 3600.0);
QPointF bottomRight = latLonBounds.topRight();
if (bottomRight.x() >= 180.0 * 3600.0)
bottomRight.setX(bottomRight.x() - 360.0 * 3600.0);
if (bottomRight.x() < -180.0 * 3600.0)
bottomRight.setX(bottomRight.x() + 360.0 * 3600.0);
QGeoCoordinate tlc(topLeft.y() / 3600.0, topLeft.x() / 3600.0);
QGeoCoordinate brc(bottomRight.y() / 3600.0, bottomRight.x() / 3600.0);
return QGeoBoundingBox(tlc, brc);
// it looks like the following is overkill
// if (box.isValid()) {
// box |= QGeoBoundingBox(tlc, brc);
// } else {
// box = QGeoBoundingBox(tlc, brc);
// }
}
bool QGeoCodeXmlParser::parseBoundingBox(QGeoBoundingBox *bounds)
{
/*
<xsd:complexType name="GeoBox">
<xsd:sequence>
<xsd:element name="northWest" type="gc:GeoCoord"/>
<xsd:element name="southEast" type="gc:GeoCoord"/>
</xsd:sequence>
</xsd:complexType>
*/
Q_ASSERT(m_reader->isStartElement() && m_reader->name() == "boundingBox");
if (!m_reader->readNextStartElement()) {
m_reader->raiseError("The element \"boundingBox\" was expected to have 2 child elements (0 found)");
return false;
}
QGeoCoordinate nw;
if (m_reader->name() == "topLeft") {
if (!parseCoordinate(&nw, "topLeft"))
return false;
} else {
m_reader->raiseError(QString("The element \"boundingBox\" expected this child element to be named \"topLeft\" (found an element named \"%1\")").arg(m_reader->name().toString()));
return false;
}
if (!m_reader->readNextStartElement()) {
m_reader->raiseError("The element \"boundingBox\" was expected to have 2 child elements (1 found)");
return false;
}
QGeoCoordinate se;
if (m_reader->name() == "bottomRight") {
if (!parseCoordinate(&se, "bottomRight"))
return false;
} else {
m_reader->raiseError(QString("The element \"boundingBox\" expected this child element to be named \"bottomRight\" (found an element named \"%1\")").arg(m_reader->name().toString()));
return false;
}
if (m_reader->readNextStartElement()) {
m_reader->raiseError("The element \"boundingBox\" was expected to have 2 child elements (more than 2 found)");
return false;
}
*bounds = QGeoBoundingBox(nw, se);
return true;
}
/*!
Returns a bounding box which contains this map object.
The default implementation returns an invalid bounding box.
*/
QGeoBoundingBox QGeoMapObjectInfo::boundingBox() const
{
return QGeoBoundingBox();
}
