fix #5000

jef-n · jef-n · commit 0ed1df83cc4f · 2012-02-24T10:37:24.000+01:00
diff --git a/src/core/qgsvectorlayer.cpp b/src/core/qgsvectorlayer.cpp
@@ -1304,7 +1304,8 @@ void QgsVectorLayer::setRenderer( QgsRenderer *r )
 
   if ( r != mRenderer )
   {
-    setUsingRendererV2( false );
+    if ( r )
+      setUsingRendererV2( false );
     delete mRenderer;
     mRenderer = r;
   }
@@ -4643,7 +4644,8 @@ void QgsVectorLayer::setRendererV2( QgsFeatureRendererV2 *r )
 
   if ( r != mRendererV2 )
   {
-    setUsingRendererV2( true );
+    if ( r )
+      setUsingRendererV2( true );
     delete mRendererV2;
     mRendererV2 = r;
   }

Original file line number	Diff line number	Diff line change
`@@ -1304,7 +1304,8 @@ void QgsVectorLayer::setRenderer( QgsRenderer *r )`
`1304`	`1304`
`1305`	`1305`	`if ( r != mRenderer )`
`1306`	`1306`	`{`
`1307`		`- setUsingRendererV2( false );`
	`1307`	`+ if ( r )`
	`1308`	`+ setUsingRendererV2( false );`
`1308`	`1309`	`delete mRenderer;`
`1309`	`1310`	`mRenderer = r;`
`1310`	`1311`	`}`
`@@ -4643,7 +4644,8 @@ void QgsVectorLayer::setRendererV2( QgsFeatureRendererV2 *r )`
`4643`	`4644`
`4644`	`4645`	`if ( r != mRendererV2 )`
`4645`	`4646`	`{`
`4646`		`- setUsingRendererV2( true );`
	`4647`	`+ if ( r )`
	`4648`	`+ setUsingRendererV2( true );`
`4647`	`4649`	`delete mRendererV2;`
`4648`	`4650`	`mRendererV2 = r;`
`4649`	`4651`	`}`