[Info-vax] CSWB and JPEG files

Paul Sture paul.nospam at sture.ch
Wed Jul 20 04:49:06 EDT 2011


In article 
<82b4f9e3-7f94-4a1c-8914-c25b45b0efc5 at g3g2000prf.googlegroups.com>,
 Steven Schweda <sms.antinode at gmail.com> wrote:

> On Jul 19, 1:54 pm, hel... at astro.multiCLOTHESvax.de (Phillip Helbig---
> undress to reply) wrote:
> 
> > [...]  It seems that sometimes JPEG files will display, sometimes they
> > won't---though I get an icon briefly before the file starts loading and
> > the scroll bars (any way to get it automatically scaled instead?) show
> > that it knows the size (in pixels) of the file (and the loading time
> > indicates that it actually loaded it all), but all I see is a blank
> > page.  [...]
> 
>    And what was that "size (in pixels)"?  I've seen the X
> server run out of virtual memory on my system.  My
> DECW$PRIVATE_SERVER_SETUP.COM says:
> 
> [...]
> $ decw$server_page_file == "1572864"
> $!!! decw$server_page_file == "960000"
> $!!! decw$server_page_file == "600000"
> $!!! decw$server_page_file == "370000"
> [...]
> 
> which suggests that I've been raising it over the years.
> 
>    So far as I know, SWB doesn't know how to scale an image to
> fit.
> 
> > Is there some limit to the size (in bytes) of JPEG files which CSWB can
> > display?
> 
>    Virtual memory is the only limit I know of, but with my
> weak psychic powers, I have no idea how the size of your
> problem image compares with anything I've displayed.  It's
> been a while since I've seen the problem, but, as I recall,
> there is an error message somewhere (OPCOM, X server log file,
> Web browser's parent-process terminal, ...) when the X server
> runs out of memory.

Also look at process quotas?

-- 
Paul Sture



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