qt: fix warning when generating RoundImage with no source

fix: #26671

qt: fix warning when generating RoundImage with no source
fix: #26671
0768eef6 · Pierre Lamot · Jean-Baptiste Kempf · 51435362 · 0768eef6
Commit 0768eef6 authored 2 years ago by Pierre Lamot Committed by Jean-Baptiste Kempf 2 years ago
--- a/modules/gui/qt/widgets/native/roundimage.cpp
+++ b/modules/gui/qt/widgets/native/roundimage.cpp
@@ -303,6 +303,9 @@ QImage RoundImage::RoundImageGenerator::execute()
    if (width <= 0 || height <= 0)
        return {};

+    if (source.isEmpty())
+        return {};
+
    auto file = getReadable(source);
    if (!file || !file->isOpen())
        return {};