Baslinux mailing list

[baslinux AT lists.ibiblio.org]

On Sun, 11 Mar 2007 baslinux AT lists.ibiblio.org wrote:
aka James

> On Mon, Mar 12, 2007 at 08:55:52AM +1300, Steven wrote:
> > MagicPoint has the ability to incorporate jpegs into
> > the pages, but they are *much* slower to display than
> > text.  A 486 laptop is not suitable for a presentation
> > with lots of jpegs.  My best laptop is a Pentium 100
> > and it has a noticeable delay on large jpegs.
>
> Thanks for that tip. This is a P 133 with 32 MB RAM. Some of the jpg's 
> (scanned ones) are turning out to be fairly
> large--between 1 and 2MB. Would you think this laptop will have the oomph to 
> handle those elegantly?

What resolution were they scanned at?  Do they need to be color?  Can they 
be 4-bit or 8-bit color?

A page of black and white text scanned at 300 dpi can produce a 40K gif 
that looks good.

People who stick the page into their scanner and use it as a Windows 'pdf' 
machine send me 1-2MB color copies that don't look good, in 8-bit color.
One of them actually read the instructions and replaced 10.5MB of files 
with about 150K that looked better.

Gifs are less fuzzy than jpegs.  I scan in linux as pbm (or ppm color) and 
then convert the pbm to gif via netpbm.  I don't recall SANE offering a 
choice of color depth but converting pnm to gif should reduce depth to 
8-bit.

Can you manage with a virtual screen?  On our laptop which displays only 
640x480 I tried a 1280 virtual screen, which showed only 1/4 of the 
picture at a time but in better detail.

Sindi