On Mon, 29 Jun 2009 08:48:12 -0600, Frank Schima <[email protected]> wrote: > On Jun 26, 2009, at 10:52 AM, Frank Schima wrote: > >> I'm seeing a strange issue with either QPixmap or QImage loading >> from a data string. In pyqt 4.4.4, the following attached example >> code produces an image - it looks like noise as expected. But with >> pyqt 4.5.1, it appears completely blank. I expect to see the noise- >> like image. Am I doing something wrong, or has something changed >> with regards to this in 4.5? >> >> I'm running on Mac OS X 10.5.7 and python 2.5.4 using pyqt installed >> from Macports. Note: I modified my local portfile to install pyqt >> 4.5.1 because Macports is currently at version 4.4.4. > > The problem turned out to be in my makeColorTable method. Specifically > the qRgb() function returns a different value for me with pyqt 4.5.1 > and sip 4.8.1 than the value returned using 4.4.4/4.7.9. Should there > be any difference between versions for that function? > > For example, for qRgb(0,0,0) I get -16777216 with 4.4.4 and 4278190080 > with 4.5.1.
Yes, there was a bug fix to ensure that the returned value was always unsigned. Phil _______________________________________________ PyQt mailing list [email protected] http://www.riverbankcomputing.com/mailman/listinfo/pyqt
