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Added support for WMS 1.1.x versions

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This commit is contained in:
Martin Tůma 2018-03-31 11:27:01 +02:00
parent aecda0e517
commit 16f2d7ad34
4 changed files with 25 additions and 20 deletions
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19
src/map/wms.cpp
View File

@ -67,18 +67,11 @@ void WMS::layer(QXmlStreamReader &reader, CTX &ctx,
else if (reader.name() == "BoundingBox") {
QXmlStreamAttributes attr = reader.attributes();
if (attr.value("CRS") == ctx.setup.crs()) {
if (ctx.setup.yx())
boundingBox = QRectF(QPointF(
attr.value("miny").toString().toDouble(),
attr.value("maxx").toString().toDouble()),
QPointF(attr.value("maxy").toString().toDouble(),
attr.value("minx").toString().toDouble()));
else
boundingBox = QRectF(QPointF(
attr.value("minx").toString().toDouble(),
attr.value("maxy").toString().toDouble()),
QPointF(attr.value("maxx").toString().toDouble(),
attr.value("miny").toString().toDouble()));
boundingBox = QRectF(QPointF(
attr.value("minx").toString().toDouble(),
attr.value("maxy").toString().toDouble()),
QPointF(attr.value("maxx").toString().toDouble(),
attr.value("miny").toString().toDouble()));
}
reader.skipCurrentElement();
} else if (reader.name() == "Layer")
@ -113,6 +106,8 @@ void WMS::capability(QXmlStreamReader &reader, CTX &ctx)
void WMS::capabilities(QXmlStreamReader &reader, CTX &ctx)
{
_version = reader.attributes().value("version").toString();
while (reader.readNextStartElement()) {
if (reader.name() == "Capability")
capability(reader, ctx);

2
src/map/wms.h
View File

@ -42,6 +42,7 @@ public:
const Projection &projection() const {return _projection;}
const RangeF &scaleDenominator() const {return _scaleDenominator;}
const QRectF &boundingBox() const {return _boundingBox;}
const QString &version() const {return _version;}
bool isValid() const {return _valid;}
const QString &errorString() const {return _errorString;}
@ -76,6 +77,7 @@ private:
Projection _projection;
RangeF _scaleDenominator;
QRectF _boundingBox;
QString _version;
bool _valid;
QString _errorString;

21
src/map/wmsmap.cpp
View File

@ -15,11 +15,15 @@ qreal WMSMap::sd2res(qreal scaleDenominator) const
return scaleDenominator * 0.28e-3 * _projection.units().fromMeters(1.0);
}
QString WMSMap::tileUrl() const
QString WMSMap::tileUrl(const QString &version) const
{
return QString("%1?version=1.3.0&request=GetMap&CRS=%2&bbox=$bbox"
"&width=%3&height=%4&layers=%5&styles=%6&format=%7&transparent=true")
.arg(_setup.url(), _setup.crs(), QString::number(TILE_SIZE),
QString crs = version >= "1.3.0"
? QString("CRS=%1").arg(_setup.crs())
: QString("SRS=%1").arg(_setup.crs());
return QString("%1?version=%2&request=GetMap&%3&bbox=$bbox"
"&width=%4&height=%5&layers=%6&styles=%7&format=%8&transparent=true")
.arg(_setup.url(), version, crs, QString::number(TILE_SIZE),
QString::number(TILE_SIZE), _setup.layer(), _setup.style(),
_setup.format());
}
@ -74,9 +78,12 @@ bool WMSMap::loadWMS()
return false;
}
_yx = (_setup.yx() && wms.version() >= "1.3.0") ? true : false;
_projection = wms.projection();
_boundingBox = wms.boundingBox();
_tileLoader = TileLoader(tileUrl(), tilesDir());
_boundingBox = _yx ? QRectF(QPointF(wms.boundingBox().bottom(),
wms.boundingBox().right()), QPointF(wms.boundingBox().top(),
wms.boundingBox().left())) : wms.boundingBox();
_tileLoader = TileLoader(tileUrl(wms.version()), tilesDir());
computeZooms(wms.scaleDenominator());
updateTransform();
@ -205,7 +212,7 @@ void WMSMap::draw(QPainter *painter, const QRectF &rect)
j * TILE_SIZE)));
QPointF tbr(_transform.img2proj(QPointF(i * TILE_SIZE + TILE_SIZE
- 1, j * TILE_SIZE + TILE_SIZE - 1)));
QRectF bbox = _setup.yx()
QRectF bbox = _yx
? QRectF(QPointF(tbr.y(), tbr.x()), QPointF(ttl.y(), ttl.x()))
: QRectF(ttl, tbr);

3
src/map/wmsmap.h
View File

@ -45,7 +45,7 @@ private slots:
void emitLoaded();
private:
QString tileUrl() const;
QString tileUrl(const QString &version) const;
qreal sd2res(qreal scaleDenominator) const;
QString tilesDir() const;
void computeZooms(const RangeF &scaleDenominator);
@ -64,6 +64,7 @@ private:
QVector<qreal> _zooms;
int _zoom;
QRectF _boundingBox;
bool _yx;
bool _block;
bool _valid;