Tristam MacDonald wrote:
> On Sun, Jun 7, 2009 at 9:56 AM, John Lehmann <[email protected]
> <mailto:[email protected]>> wrote:
>
> Hi,
>
> Running the simpleui demo.py, I encounter an error on clicking to
> collapse the second folding box.
>
> File "demo.py", line 103, in on_draw
> frame.draw()
> File "simplui/frame.py", line 107, in draw
> self.batch.draw()
> File "pyglet/graphics/__init__.py", line 538, in draw
> func()
> File "pyglet/graphics/__init__.py", line 470, in <lambda>
> (lambda d, m: lambda: d.draw(m))(domain, mode))
> File "pyglet/graphics/vertexdomain.py", line 717, in draw
> primcount)
> ctypes.ArgumentError: argument 4: <type 'exceptions.TypeError'>:
> expected LP_c_void_p instance instead of c_ulong_Array_2
>
> This is from svn r42, against pyglet svn r2448, on some modern imac.
>
> It seems to be (from copying the contents of the third folding box
> over he second and other experiments in copy-paste debugging)
> something to do with the middle position itself rather than the
> contents of the box... but at that point I was defeated.
>
>
> I think that is probably an issue with using the pyglet from SVN trunk
> - I do all development against the 1.1 maintenance branch.
Correct. The trunk version and 1.1.3 both have this problem. I've
tracked it down and submitted a pyglet bug report.
Meanwhile there is an easy workaround:
In file pyglet/graphics/vertexdomain.py, disable the failing branch of
the if statement
by changing line
elif gl_info.have_version(1, 4):
to
elif False:
or just delete that elif and its whole clause.
The deleted code is an attempt to use a newer more efficient feature for
drawing, but it's incorrectly coded. Deleting it allows the following,
older (and correct) code to draw.
Gary Herron
>
> I don't know if this has changed, but in the past the SVN trunk had
> very little in common with the 1.1 branch.
>
> --
> Tristam MacDonald
> http://swiftcoder.wordpress.com/
>
> >
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