Clear WMS preview image

m-kuhn · m-kuhn · commit 9d4ab51ee1e0 · 2017-10-31T13:48:19.000+01:00
diff --git a/src/providers/wms/qgswmsprovider.cpp b/src/providers/wms/qgswmsprovider.cpp
@@ -616,6 +616,7 @@ static void _drawDebugRect( QPainter& p, const QRectF& rect, const QColor& color
 QImage *QgsWmsProvider::draw( QgsRectangle const & viewExtent, int pixelWidth, int pixelHeight, QgsRasterBlockFeedback* feedback )
 {
   QImage* image = new QImage( pixelWidth, pixelHeight, QImage::Format_ARGB32 );
+  image->fill( 0 );
 
   if ( QgsApplication::instance()->thread() == QThread::currentThread() )
   {
@@ -624,9 +625,6 @@ QImage *QgsWmsProvider::draw( QgsRectangle const & viewExtent, int pixelWidth, i
   }
 
   // compose the URL query string for the WMS server.
-
-  image->fill( 0 );
-
   if ( !mSettings.mTiled && mSettings.mMaxWidth == 0 && mSettings.mMaxHeight == 0 )
   {
     QUrl url = createRequestUrlWMS( viewExtent, pixelWidth, pixelHeight );

Original file line number	Diff line number	Diff line change
`@@ -616,6 +616,7 @@ static void _drawDebugRect( QPainter& p, const QRectF& rect, const QColor& color`
`616`	`616`	`QImage QgsWmsProvider::draw( QgsRectangle const & viewExtent, int pixelWidth, int pixelHeight, QgsRasterBlockFeedback feedback )`
`617`	`617`	`{`
`618`	`618`	`QImage* image = new QImage( pixelWidth, pixelHeight, QImage::Format_ARGB32 );`
	`619`	`+ image->fill( 0 );`
`619`	`620`
`620`	`621`	`if ( QgsApplication::instance()->thread() == QThread::currentThread() )`
`621`	`622`	`{`
`@@ -624,9 +625,6 @@ QImage *QgsWmsProvider::draw( QgsRectangle const & viewExtent, int pixelWidth, i`
`624`	`625`	`}`
`625`	`626`
`626`	`627`	`// compose the URL query string for the WMS server.`
`627`		`-`
`628`		`- image->fill( 0 );`
`629`		`-`
`630`	`628`	`if ( !mSettings.mTiled && mSettings.mMaxWidth == 0 && mSettings.mMaxHeight == 0 )`
`631`	`629`	`{`
`632`	`630`	`QUrl url = createRequestUrlWMS( viewExtent, pixelWidth, pixelHeight );`