wms client: handle + encoding (image/svg+xml) in format parameter also for

other requests (followup b118213, refs #10060)

Author: jef-n

src/providers/wms/qgswmsprovider.cpp

@@ -426,6 +426,19 @@ void QgsWmsProvider::setQueryItem( QUrl &url, QString item, QString value )
   url.addQueryItem( item, value );
 }
 
+void QgsWmsProvider::setFormatQueryItem( QUrl &url )
+{
+  url.removeQueryItem( "FORMAT" );
+  if ( mSettings.mImageMimeType.contains( "+" ) )
+  {
+    QString format( mSettings.mImageMimeType );
+    format.replace( "+", "%2b" );
+    url.addEncodedQueryItem( "FORMAT", format.toUtf8() );
+  }
+  else
+    setQueryItem( url, "FORMAT", mSettings.mImageMimeType );
+}
+
 QImage *QgsWmsProvider::draw( QgsRectangle  const &viewExtent, int pixelWidth, int pixelHeight )
 {
   QgsDebugMsg( "Entering." );
@@ -509,14 +522,7 @@ QImage *QgsWmsProvider::draw( QgsRectangle  const &viewExtent, int pixelWidth, i
     setQueryItem( url, "HEIGHT", QString::number( pixelHeight ) );
     setQueryItem( url, "LAYERS", layers );
     setQueryItem( url, "STYLES", styles );
-    if( mSettings.mImageMimeType.contains( "+" ) )
-    {
-      QString format( mSettings.mImageMimeType );
-      format.replace( "+", "%2b" );
-      url.addEncodedQueryItem( "FORMAT", format.toUtf8() );
-    }
-    else
-      setQueryItem( url, "FORMAT", mSettings.mImageMimeType );
+    setFormatQueryItem( url );
 
     if ( mDpi != -1 )
     {
@@ -680,7 +686,8 @@ QImage *QgsWmsProvider::draw( QgsRectangle  const &viewExtent, int pixelWidth, i
         setQueryItem( url, "HEIGHT", QString::number( tm->tileHeight ) );
         setQueryItem( url, "LAYERS", mSettings.mActiveSubLayers.join( "," ) );
         setQueryItem( url, "STYLES", mSettings.mActiveSubStyles.join( "," ) );
-        setQueryItem( url, "FORMAT", mSettings.mImageMimeType );
+        setFormatQueryItem( url );
+
         setQueryItem( url, crsKey, mImageCrs );
 
         if ( mSettings.mTiled )
@@ -2199,7 +2206,7 @@ QgsRasterIdentifyResult QgsWmsProvider::identify( const QgsPoint & thePoint, Qgs
       setQueryItem( requestUrl, "HEIGHT", QString::number( theHeight ) );
       setQueryItem( requestUrl, "LAYERS", *layers );
       setQueryItem( requestUrl, "STYLES", *styles );
-      setQueryItem( requestUrl, "FORMAT", mSettings.mImageMimeType );
+      setFormatQueryItem( requestUrl );
       setQueryItem( requestUrl, "QUERY_LAYERS", *layers );
       setQueryItem( requestUrl, "INFO_FORMAT", format );
 
@@ -2969,7 +2976,7 @@ QImage QgsWmsProvider::getLegendGraphic( double scale, bool forceRefresh )
   if ( !url.hasQueryItem( "REQUEST" ) )
     setQueryItem( url, "REQUEST", "GetLegendGraphic" );
   if ( !url.hasQueryItem( "FORMAT" ) )
-    setQueryItem( url, "FORMAT", mSettings.mImageMimeType );
+    setFormatQueryItem( url );
   if ( !url.hasQueryItem( "LAYER" ) )
     setQueryItem( url, "LAYER", mSettings.mActiveSubLayers[0] );
   if ( !url.hasQueryItem( "STYLE" ) )

src/providers/wms/qgswmsprovider.h

@@ -364,6 +364,9 @@ class QgsWmsProvider : public QgsRasterDataProvider
     //! remove query item and replace it with a new value
     void setQueryItem( QUrl &url, QString key, QString value );
 
+    //! add image FORMAT parameter to url
+    void setFormatQueryItem( QUrl &url );
+
     //! Name of the stored connection
     QString mConnectionName;