Support for WMS1.3 EX_GeographicBoundingBox. In 1.3, there are the subelements 'westBoundLongitude', 'eastBoundLongitude', 'southBoundLatitude' and 'northBoundLatitude' instead of the attributes minx, miny, maxx, maxy

git-svn-id: http://svn.osgeo.org/qgis/trunk@5481 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/providers/wms/qgshttptransaction.cpp

@@ -117,24 +117,23 @@ bool QgsHttpTransaction::getSynchronously(QByteArray &respondedContent, int redi
   QString pathAndQuery = httpurl.remove(0, 
                          httpurl.indexOf(qurl.path()));
   httpid = http->get( pathAndQuery );
-
   connect(http, SIGNAL( requestStarted ( int ) ),
           this,      SLOT( dataStarted ( int ) ) );
 
   connect(http, SIGNAL( responseHeaderReceived( const QHttpResponseHeader& ) ),
           this,       SLOT( dataHeaderReceived( const QHttpResponseHeader& ) ) );
 
   connect(http,  SIGNAL( readyRead( const QHttpResponseHeader& ) ),
-          this, SLOT( dataReceived( const QHttpResponseHeader& ) ) );
+  this, SLOT( dataReceived( const QHttpResponseHeader& ) ) );
 
   connect(http, SIGNAL( dataReadProgress ( int, int ) ),
-          this,       SLOT( dataProgress ( int, int ) ) );
+  this,       SLOT( dataProgress ( int, int ) ) );
 
   connect(http, SIGNAL( requestFinished ( int, bool ) ),
           this,      SLOT( dataFinished ( int, bool ) ) );
 
   connect(http,   SIGNAL( stateChanged ( int ) ),
-          this, SLOT( dataStateChanged ( int ) ) );
+    this, SLOT( dataStateChanged ( int ) ) );
 
   // Set up the watchdog timer
   connect(mWatchdogTimer, SIGNAL( timeout () ),
@@ -157,7 +156,6 @@ bool QgsHttpTransaction::getSynchronously(QByteArray &respondedContent, int redi
   {
     // Do something else, maybe even network processing events
     qApp->processEvents();
-
     // TODO: Implement a network timeout
   }
 
@@ -284,7 +282,7 @@ void QgsHttpTransaction::dataProgress( int done, int total )
 {
 
 #ifdef QGISDEBUG
-//  std::cout << "QgsHttpTransaction::dataProgress: got " << done << " of " << total << std::endl;
+  std::cout << "QgsHttpTransaction::dataProgress: got " << done << " of " << total << std::endl;
 #endif
 
   // We saw something come back, therefore restart the watchdog timer

src/providers/wms/qgswmsprovider.cpp

@@ -18,6 +18,7 @@
 
 /* $Id$ */
 
+#include "qgslogger.h"
 #include "qgswmsprovider.h"
 
 #include <fstream>
@@ -1527,10 +1528,7 @@ void QgsWmsProvider::parseLayer(QDomElement const & e, QgsWmsLayerProperty& laye
               layerProperty.crs.push_back(*i);
             }
           }
-          else if (
-                   (e1.tagName() == "EX_GeographicBoundingBox")  ||
-                   (e1.tagName() == "LatLonBoundingBox")        // legacy from earlier versions of WMS
-                  )
+          else if (e1.tagName() == "LatLonBoundingBox")        // legacy from earlier versions of WMS
           {
 
 //            std::cout << "      LLBB is: '" << e1.attribute("minx") << "'." << std::endl;
@@ -1545,6 +1543,23 @@ void QgsWmsProvider::parseLayer(QDomElement const & e, QgsWmsLayerProperty& laye
                                                 e1.attribute("maxy").toDouble()
                                               );
           }
+	  else if(e1.tagName() == "EX_GeographicBoundingBox") //for WMS 1.3
+	    {
+	      QDomElement wBoundLongitudeElem = n1.namedItem("westBoundLongitude").toElement();
+	      QDomElement eBoundLongitudeElem = n1.namedItem("eastBoundLongitude").toElement();
+	      QDomElement sBoundLatitudeElem = n1.namedItem("southBoundLatitude").toElement();
+	      QDomElement nBoundLatitudeElem = n1.namedItem("northBoundLatitude").toElement();
+	      double wBLong, eBLong, sBLat, nBLat;
+	      bool wBOk, eBOk, sBOk, nBOk;
+	      wBLong = wBoundLongitudeElem.text().toDouble(&wBOk);
+	      eBLong = eBoundLongitudeElem.text().toDouble(&eBOk);
+	      sBLat = sBoundLatitudeElem.text().toDouble(&sBOk);
+	      nBLat = nBoundLatitudeElem.text().toDouble(&nBOk);
+	      if(wBOk && eBOk && sBOk && nBOk)
+		{
+		  layerProperty.ex_GeographicBoundingBox = QgsRect(wBLong, sBLat, eBLong, nBLat);
+		}
+	    }
           else if (e1.tagName() == "BoundingBox")
           {
               // TODO: overwrite inherited
@@ -1905,7 +1920,7 @@ bool QgsWmsProvider::calculateExtent()
                               it != activeSubLayers.end(); 
                             ++it ) 
   {
-
+    QgsDebugMsg("Sublayer Iterator: "+*it);
     // This is the extent for the layer name in *it
     QgsRect extent = extentForLayer.find( *it )->second;