I have been trying in many different machines with different kernels. In Windows, I tried CutePDF writer (http://www.cutepdf.com/), as well as Adobe's pdf writer. In linux, I have tested on Fedora core 4 and core 10, as well as enterprise Linux 4.0. For pdf viewer, I have tried acrobat in windows. In Linux, I tried kpdf, evince, and okular. All of them give the same error result.

However, if I switch to QImage::Format_Indexed8, it works fine. But QImage::Format_Indexed8 is really a waste of resources. All I need is two colors in the image...

I don't know why the font is distorted by painter...

I just reported this bug to Cattell a few weeks ago:
http://www.qtsoftware.com/developer/...9&method=entry