Disable canvas preview jobs when rotation is set on canvas

It's non-trivial to implement the preview jobs for rotated canvases, and currently it just shows junk images Fixes #34860
qgis · Mar 9, 2020 · 597aa5b · 597aa5b
1 parent aca8e03
commit 597aa5b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/gui/qgsmapcanvas.cpp b/src/gui/qgsmapcanvas.cpp
@@ -2466,6 +2466,12 @@ const QgsLabelingEngineSettings &QgsMapCanvas::labelingEngineSettings() const
 void QgsMapCanvas::startPreviewJobs()
 {
   stopPreviewJobs(); //just in case still running
+
+  //canvas preview jobs aren't compatible with rotation
+  // TODO fix this
+  if ( !qgsDoubleNear( mSettings.rotation(), 0.0 ) )
+    return;
+
   schedulePreviewJob( 0 );
 }