[PyQt] Odd QImage behavior

[Matt Smith]

On Thu, 2009-01-29 at 15:37 +0000, pyqt-request at riverbankcomputing.com
wrote:
>> I think that is the problem for two reasons.  First it depends on the
>> size of the array, and Second the .ndarray part is left off of first
>> example, and doesn't change anything when I include it.

>You're just setting an attribute on the object. Was there a guide
>somewhere that said you have to do that?

Yeah, it was suggested from PyQwt folks and recently again by somebody
on this list.  

http://paste.pocoo.org/show/101918/


>Strange. I'm assuming that the data had the expected size. Without
>access to the data, it's difficult to track down the bug, though. I
>guess you or I could create a simple test case with a numpy array. Do
>you want to give it a try?

This test case makes two numpy arrays puts a vertical stripe and then
creates QImages.  Change either dimension to 101 instead of 100 and the
image doesn't get painted properly.

http://paste.pocoo.org/show/101921/

thanks
mbs