Although I haven’t gone through all of qt base, yet, some not quite random stackoverflow:
Wherein the answer is:
The problem is in scaleImage(), because scaledToHeight() returns another image format. You may omit the scale operation, or convert the returned image to Format_RGBA8888:
But finding where scaledToHeight() might be involved in a richtext rendering label (I’m doing scaling on in) I hadn’t found yet.
Thanks for Tracking!