Scale down the preview image to fit in the application window

On macOS the modal has some extra space around the main content
that might make it unusable with a big enough image.

1 files changed, 1 insertions, 1 deletions

diff --git a/include/Utils.h b/include/Utils.h

index fa825b7c..fba9bf67 100644
--- a/include/Utils.h
+++ b/include/Utils.h
@@ -33,7 +33,7 @@ ImageType
 scaleDown(uint64_t max_width, uint64_t max_height, const ImageType &source)
 {
         if (source.isNull())
-                return source;
+                return QPixmap();
 
         auto width_ratio  = (double)max_width / (double)source.width();
         auto height_ratio = (double)max_height / (double)source.height();