Hi
I decided a while back to postpone doing any more coding using
floatcanvas until I saw how the Summer of Code re-write turned out.
Noticing that some other people seem to be starting to use it, I thought
I would take a look. What I read about it looked great. But I have run
into several problems, so I think I must be doing something wrong. Can
anybody point me in the right direction?
I'm using Ubuntu Hardy. I installed the latest wxPython (2.8.8.1), then
used svn to checkout the floatcanvas2 folder, which I positioned within
the floatcanvas folder (to be specific, at
/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/lib/floatcanvas/floatcanvas2)
I assumed this was the correct place from the line "import
wx.lib.floatcanvas.floatcanvas2" which appears in all the demos.
When I run the demos, all is not well:
If I run ASimpleExample.py as a standalone, I get:
creating new RenderSurface. Size: (550, 454)
RENDER
and a window appears with the NavCanvas controls - but the canvas is
just grey, with no circle or rectangle on it. I can resize the window,
and get appropriate messages on the console - but not see any graphics.
But there is no error message that I can see. This is the same with
any of the other demos that will run at all.
If I run DefaultShapes.py, I get a long traceback ending:
File "/.../graphicsObjects.py", line 72, in Activate
self.renderer.measuringContext.SetFont( self.font )
AttributeError: 'NoneType' object has no attribute 'SetFont'
If I run demo.py, I get a message that module sys is not found at line
109. After putting in a line "import sys" at the beginning, it runs,
but gives the same behaviour for each demo as running the demos
individually. Also, after trying a few demos, it seizes up and neither
it nor any other windows will refresh properly until it is forcibly closed.
Sorry to send such a long post - I thought as much detail as possible
might help?
Thanks for any assistance you can offer.
Andy
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