I did try BMP reading for 3.5 on an XP machine, and it worked ok.

Eddie

---- Original Message -----
From: "Tim Rowledge" <tim at sumeru.stanford.edu>
To: <squeak-dev at lists.squeakfoundation.org>
Sent: Wednesday, June 18, 2003 5:48 PM
Subject: Re: [BUG] Can't read BMPs in 3.4/3.5 Windows VM (was Re: [bug?]
Problems with Alice -- can't open new models)


> Mark Guzdial <guzdial at cc.gatech.edu> wrote:
>
> > I can't read any BMP's with a 3.4 or 3.5 Windows VM on an XP box.  The
same
> > BMP's open just fine in 3.2.  It's a VM-level bug because I can read the
> > BMP's in a 3.5 image running in a 3.2 VM.  But in a 3.4 or 3.5 VM,
trying
> > to read the BMP crashes Squeak.
> Well it's done by the BMPReadWriterPlugin. Since it was in-image code
> until 3.6, I guess the evidence comes from the changes file.
> Hmm, the plugin was added in update 4891 from code by Andreas dated 16
> june 2002. This was nominally for 3.3a and I can't spot any difference
> with the code in my latest VMMaker file. I _have_ tested this on my
> Acorn and it works fine.
> I guess using the 3.2 vm means you're relying on the back up code.
> Obvious quick check is to comment out the primitive call in
>  !BMPReadWriter methodsFor: 'reading' stamp: 'ar 6/16/2002 18:47'!
> read24BmpLine: pixelLine into: formBits startingAt: formBitsIndex width:
width
> | pixIndex rgb bitsIndex |
> <primitive: 'primitiveRead24BmpLine' module:'BMPReadWriterPlugin'>
> pixIndex _ 0. "pre-increment"
> and see if all seems well. After that it requires someone to debug the
> code on a wondows machine...
>
> tim
> --
> Tim Rowledge, tim at sumeru.stanford.edu, http://sumeru.stanford.edu/tim
> No single raindrop believes it is to blame for the flood
>
>