Re: [Matplotlib-users] Re: WXAgg access violation

[Heiko H. <he...@hh...>]

John Hunter wrote:

>Thanks for the bug reports,
>
>I thing the crash and the shear effect are both part of the same bug
>that arose from a floating point error in converting figure units to
>width and height.  I believe this is a simple fix.  I was able to
>replicate both of the buggy behaviors on my winxp box, and the
>following change fixed both.  Perhaps you and Heiko can test on your
>respective scripts and let me know.
>
>On site-packages/matplotlib/backends/backend_wxagg.py, replace
>FigureCanvasWXAgg.draw with
>
>    def draw(self):
>        """
>        Render the figure using agg
>        """
>        DEBUG_MSG("draw()", 1, self)
>
>        FigureCanvasAgg.draw(self)
>        s = self.tostring_rgb()  
>        w = int(self.renderer.width)
>        h = int(self.renderer.height)
>        image = wxEmptyImage(w,h)
>        image.SetData(s)
>        self.bitmap = image.ConvertToBitmap()
>        self.gui_repaint()
>
>Let me know!
>
>Know if I can just figure out why there is the irritating flicker on
>resizes in win32....
>
>JDH        
>
>
>
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Hello John,

I tested the fix and the problem seems to be gone. I will continue the 
testing and will let you know in case I will find anything else.

Thank you for your fast response and for the great library..

Heiko