[QGIS-Server] Use layer precision in searchRect

Author: rldhont

src/server/qgswfsserver.cpp

@@ -504,10 +504,10 @@ int QgsWFSServer::getFeature( QgsRequestHandler& request, const QString& format
 
         //map extent
         searchRect = layer->extent();
-        searchRect.set( searchRect.xMinimum() - 0.000001
-                        , searchRect.yMinimum() - 0.000001
-                        , searchRect.xMaximum() + 0.000001
-                        , searchRect.yMaximum() + 0.000001 );
+        searchRect.set( searchRect.xMinimum() - 1/pow(10,layerPrec)
+                        , searchRect.yMinimum() - 1/pow(10,layerPrec)
+                        , searchRect.xMaximum() + 1/pow(10,layerPrec)
+                        , searchRect.yMaximum() + 1/pow(10,layerPrec) );
         layerCrs = layer->crs();
 
         QgsFeatureIterator fit = layer->getFeatures(
@@ -849,10 +849,10 @@ int QgsWFSServer::getFeature( QgsRequestHandler& request, const QString& format
       if ( bboxOk )
         searchRect.set( minx, miny, maxx, maxy );
       else
-        searchRect.set( searchRect.xMinimum() - 0.000001,
-                        searchRect.yMinimum() - 0.000001,
-                        searchRect.xMaximum() + 0.000001,
-                        searchRect.yMaximum() + 0.000001 );
+        searchRect.set( searchRect.xMinimum() - 1/pow(10,layerPrec),
+                        searchRect.yMinimum() - 1/pow(10,layerPrec),
+                        searchRect.xMaximum() + 1/pow(10,layerPrec),
+                        searchRect.yMaximum() + 1/pow(10,layerPrec) );
       layerCrs = layer->crs();
 
       long featCounter = 0;