There it is. Thanks Mike, it looks great on 64-bit Linux! On Tuesday 06 May 2008 03:04:05 pm Michael Droettboom wrote: > Thanks. Try again now. Hopefully it's correct this time (your test is > a much better unit test than the animation_blit_* examples. > > Cheers, > Mike > > Darren Dale wrote: > > I'm testing it out on 64-bit linux with this script: > > > > from pylab import * > > from matplotlib.widgets import Cursor > > > > ax=axes() > > cursor = Cursor(ax, useblit=True) > > ax.imshow(array([[0, 1, 2], [3, 4, 5], [6, 7, 8]]), cmap=cm.jet, > > interpolation='nearest') > > show() > > > > When the mouse pointer enters the axes, the cursor is drawn, blitting > > occurs, along with wierdness. I'm attaching screenshots, one using the > > new to_string_argb and one using to_string. > > > > Darren > > > > On Tuesday 06 May 2008 11:43:50 am Michael Droettboom wrote: > >> This is now implemented on the branch and the trunk. Please let me know > >> how it works for you. I'm particularly interested in non-Linux and Big > >> Endian platforms (e.g. PPC) as a sanity check. > >> > >> Cheers, > >> Mike > >> > >> Michael Droettboom wrote: > >>> I'll go ahead and fix this. It just fell through the cracks. > >>> > >>> Mike > >>> > >>> Darren Dale wrote: > >>>> On Monday 05 May 2008 09:24:42 pm G Jones wrote: > >>>>> Hello, > >>>>> Attached is a script that when run from ipython --pylab with your > >>>>> backend setup for 'QtAgg' reproduces a bug I am seeing. If you run > >>>>> the plot, you'll see a line plotted in blue as expected. Then when > >>>>> the same figure is updated by blitting, the line turns red. I tried > >>>>> this with green and it stayed green, but yellow went to cyan. It > >>>>> seems that the byteswapping that is necessary for displaying colors > >>>>> correctly in Qt is happening during a normal plot, but not when > >>>>> blitting. I tried going through the code to determine the problem, I > >>>>> can only guess that it lies somewhere in the > >>>>> FigureCanvasQTAgg.paintEvent, since that's where I see to_ARGB etc. > >>>>> Sorry I couldn't locate the bug precisely, I find it very difficult > >>>>> to thread my way through all the backend classes. > >>>> > >>>> I did track down the source of the bug a while back: > >>>> http://sourceforge.net/mailarchive/message.php?msg_id=200803121528.305 > >>>>65 .darren.dale%40cornell.edu > >>>> > >>>> Mike D. suggested that BufferRegion might need a byte-swapped version > >>>> of to_string(), but unfortunately I am not an experienced c programmer > >>>> and am short of time to try to work my way through it right now. I > >>>> added a bug report at SF. > >>>> > >>>> Darren
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