[graphics/krita] libs/ui: Convert reference image to ARGB in updateCache()

Git commit fd880d8e58fb324b711b6320349ef1756cd79cd9 by Emmet O'Neill, on behalf of Le Tien Dat.
Committed on 13/08/2026 at 23:16.
Pushed by emmetoneill into branch 'master'.

Convert reference image to ARGB in updateCache()

This is to make sure because load...() doesn't execute when opening saved file

M  +3    -0    libs/ui/KisReferenceImage.cpp

https://invent.kde.org/graphics/krita/-/commit/fd880d8e58fb324b711b6320349ef1756cd79cd9

diff --git a/libs/ui/KisReferenceImage.cpp b/libs/ui/KisReferenceImage.cpp
index bbde5eb32e0..da775d6aa1a 100644
--- a/libs/ui/KisReferenceImage.cpp
+++ b/libs/ui/KisReferenceImage.cpp
@@ -120,6 +120,9 @@ struct KisReferenceImage::Private : public QSharedData
                 gc2.drawImage(QPoint(), image);
             }
         } else {
+            // Since loading saved reference images from file skip the load...() codepath
+            // Convert here make sure
+            image.convertTo(QImage::Format_ARGB32);
             cachedImage = image;
         }