Check for raster validity in raster style widget

qgis · Nov 5, 2018 · 2d1a521 · 2d1a521
1 parent bc424d0
commit 2d1a521
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/gui/raster/qgsrastertransparencywidget.cpp b/src/gui/raster/qgsrastertransparencywidget.cpp
@@ -70,6 +70,8 @@ QgsRasterTransparencyWidget::QgsRasterTransparencyWidget( QgsRasterLayer *layer,
 
 void QgsRasterTransparencyWidget::syncToLayer()
 {
+  if ( ! mRasterLayer->isValid() )
+    return;
   QgsRasterDataProvider *provider = mRasterLayer->dataProvider();
   QgsRasterRenderer *renderer = mRasterLayer->renderer();
   if ( provider )

diff --git a/src/gui/raster/qgsrendererrasterpropertieswidget.cpp b/src/gui/raster/qgsrendererrasterpropertieswidget.cpp
@@ -57,7 +57,8 @@ QgsRendererRasterPropertiesWidget::QgsRendererRasterPropertiesWidget( QgsMapLaye
 
 {
   mRasterLayer = qobject_cast<QgsRasterLayer *>( layer );
-  if ( !mRasterLayer )
+
+  if ( !( mRasterLayer && mRasterLayer->isValid() ) )
     return;
 
   setupUi( this );
@@ -126,6 +127,10 @@ void QgsRendererRasterPropertiesWidget::rendererChanged()
 
 void QgsRendererRasterPropertiesWidget::apply()
 {
+
+  if ( ! mRasterLayer->isValid() )
+    return;
+
   mRasterLayer->brightnessFilter()->setBrightness( mSliderBrightness->value() );
   mRasterLayer->brightnessFilter()->setContrast( mSliderContrast->value() );