Subject: Re: 0.7.11: all png files in 'qnx' directories in '/shots' are broken
From: Thomas Fletcher (thomasf@qnx.com)
Date: Mon Sep 25 2000 - 11:09:03 CDT
On Mon, 25 Sep 2000, Vlad Harchev wrote:
> On Mon, 25 Sep 2000, Thomas Fletcher wrote:
>
> > On Sun, 17 Sep 2000, Vlad Harchev wrote:
> >
> > > Hi,
> > >
> > > It looks like all png files in directories 'qnx' in 'shots' directories,
> > > namely
> > > /shots/wp/qnx
> > > /shots/xap/qnx
> > > are broken - pngtopnm fails on them (they are not understood by libpng!).
> > > 'kview' and 'zgv' can't view them, 'gqview' and 'ee' due to availability of
> > > workarounds can. The screenshot making software used for producing them on
> > > QNX is broken (produces png files not compying with the spec?). So,
> > > that software should be fixed and correct screenshots should be taken or
> > > current should be converted to proper format.
> > >
> > > Please tell me the name and version of that screenshot utility for QNX - I
> > > just filled bugreport/request for ZGV to add workaround for reading these
> > > files, but was unable to supply name of software-produced.
> >
> > Ahhh yes ... I actually took the screenshots in QNX as jpg's
> > and then converted the jpg's to png in BeOS using the native
> > PNG translator =;-) since I didn't have a PNG creator handy.
> >
> > I just checked ... the files are indeed checked in as binary.
> >
> > Anyone else have thoughts? Otherwise I'll just go through and
> > take another batch of shots (which needs to be done in any
> > case) and perhaps someone will volunteer to convert them
> > from jpg to png for me.
>
> I believe all these files can be fixed by just appending a png terminator
> chunk called IEND (a couple of bytes or so) - no additional hassle needed -
> just look up the RFC2083 and see how it's defined and what to append (sorry, I
> can't do this myself).
> Also, could you tell the name of that native QNX translator? The author of
> zgv asked that name (see last paragraph of my message you've replied to).
It is called snapshot and comes natively on the system.
Thomas
-------------------------------------------------------------
Thomas (toe-mah) Fletcher QNX Software Systems
thomasf@qnx.com Neutrino Development Group
(613)-591-0931 http://www.qnx.com/~thomasf
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