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Startup Deskpict FAQ
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1993-12-31
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Date: Tue, 26 Oct 93 16:08:31 +1000
From: G. Paul Savage <paul.savage@mercury.chem.csiro.au>
Subject: [*] startupscreens-deskpictures.faq
This is an update to the startupscreens and desktop pictures FAQ.
=-=-=-=-=-=-=-
Over the last year or so I've posted quite a few startupscreens to
info-mac. One consequence of this is to get a flood of email asking
questions about how to use the screens, how to create them and so on.
The following is a list of answers to the most common questions.
Frequently asked questions about startupscreens and desktop pictures.
1) I have a startupscreen, how do I get it to work?
A-- Rename the file to "startupscreen" (no quotes) and put in in your
system folder. The next time you reboot it will be displayed.
2) I tried that and the startupscreen looked terrible on my SE/30. All
black and horrible.
A-- You probably downloaded and tried to use a *colour* startupscreen.
These look pretty poor on B&W screens. There are some decent B&W
startupscreens around, why don't you try one of those? Or you could
always make your own.
3) Great, so how do I make my own startupscreen?
A-- The easy way is to use one of the painting/drawing applications that
are able to save files as startupscreens. PixelPaint, SuperPaint, and
GifConverter are a few examples of the many applications that can do this.
4) I tried using GifConverter to save as a startupscreen and all I got was an
ugly black and white screen. Why?
A-- When you save a colour GIF using GifConverter you must first go to
File Settings... under the Special menu, choose Startupscreen from the
pop-up menue and make sure to set the "Mac II format" radio button. BTW,
don't forget that GifConverter is shareware.
5) I have this terrific GIF of Ronald Reagan bungee jumping naked (please
don't email me asking for this, I just made it up) but when I made it
into a startupscreen it looked terrible. Why?
A-- Ronald never looks as good on the small screen, even fully dressed
:-) No, the real reason involves the way colours are displayed on the
screen. Colour monitors can actually display millions of colours but if
you have a computer limited to 256 colours you can only display 256
different colours *at the same time*. GIF programs select the 256 colours
to best represent the GIF being viewed, which means for a picture of
someone's face the 256 colours might be mainly various shades of skin
tones. Some GIFs look as clear as photographs because of this.
Startupscreens use the 256 predetermined colours of the system palette.
Thus, any GIF that has many shades of the same colour will usually make
a poor startupscreen. For example, a person's face using 100 different
shades of brown will be converted to the dozen shades of brown in the
system palette with loss of resolution.
I have found that generally the best pictures for startupscreens are
those with limited numbers of colours (eg. cartoons).
6) I have a bunch of cool startupscreens, can I use them as desktops as well?
A-- Yes. Several utilities can do this. Deskpict, Backdrop, and Decor (all
in the Sumex archive, though just where depends on the current state of
reorganisation of the archive) are shareware examples. A commercial version
of Deskpict (a control panel called Deskpicture) once came bundled with
several other very useful utilities in the Now Utilities package (3.xx)
but has since been dropped from Now Utilities 4. There are other
commercial extensions that do this also; shop around for the package that
suits you best. Each of the above comes with instructions on how to get
the deskpicture displayed. Beware, both Deskpict and Backdrop are quite
old now and may not run well with system 7 and some extensions.
By the way, if you're having trouble finding this or any other stuff in the
Sumex archive (I know I do), download the all-files.txt and/or the
all-abstracts.txt files and search for the items in question.
7) I've downloaded Deskpict from Sumex and now have a great desktop but
my hard disk icon keeps disappearing, what gives?
A-- You get what you pay for :-) Seriously, this is a known problem with
Deskpict-11 and it has been solved with the commercial version (Now's
Deskpicture) but is unlikely to be fixed with the old shareware version.
Solutions? Put up with the missing/chopped-up icon or try one of the others.
8) I have dozens of great startupscreens/deskpictures -- can I get a random
one on each startup?
A-- Yes you can. Now's Deskpicture is a control panel that allows random
deskpictures on multiple screens. Or if you want to save a few bucks get
Randomizer or Random-Startup (both in the Sumex archives) and follow these
simple instructions. Create a folder in your system folder called Screens
and put all your startupscreens in there (they can be named anything). Next
you need to put a screen in the system folder (called startupscreen).
Then when you restart the startupscreen will be displayed and randomizer
will select a random file from the Screens folder and rename it to
"startupscreen" and overwrite your original screen ready for the next
restart. Random-Startup does much the same thing by playing with path
names -- use whichever you prefer.
For those who like to play with ResEdit, you can open up Randomizer,
open the STR# resource, then open the STR# resource 2001 (Files then
Folders). You will be presented with a list of strings with first the
filename then the folder name (eg. for startupscreens the first string
is startupscreen and the second is :Screens). You can add to these such
things as Deskpicture and :deskpicts (to randomly choose a deskpicture
from a folder called deskpicts), and sound and :soundfiles (to randomly
choose a sound from a folder called soundfiles), and so on.
While you have Randomizer open you can open the LAYO resource and set
the "Pick files randomly" bit to either 1 (random) or 0 (sequential)
depending on your taste.
9) OK, I braved ResEdit and did all that but now I'm not getting either a
startupscreen or a deskpicture -- what happened?
A-- You forgot to put an initial startupscreen and deskpicture in your
system folder. Randomizer will only *overwrite* a file that's there, it
will not create one from scratch.
10) My startupscreen is coming out black and white and looks gross, what
gives?
A-- I don't know why the technical reasons why this happens (and who
cares anyway:-) but this is how you fix it. Go into the monitors control
panel and set your monitor to black and white and then back to 256
colours. Next time you reboot all should be well.
11) Now my mac looks awesome and my pee-cee friends are green with envy. How
can I share my joy with the rest of the mac world.
A-- If you find or create an especially nice startupscreen why not post
it to info-mac and share it with everybody. Or perhaps you could post the
original GIF.
12) Well I decided to post a great GIF I found but when I stuffed/compacted
the GIF it came out larger! What did I do wrong?
A-- GIFs are already a compressed format (this is too complex to go into
here) so trying to stuff them is like trying to stuff a compact pro
archive -- it gets you nowhere. Post the binhexed GIF directly or, if
you prefer, create the startupscreen and stuff/compact that and post it.
12) Where can I find a good supply of GIFs?
A-- This is getting off the topic a little but wuarchive.wustl.edu
stores several hundred GIFs (in binary format) if you want to look
through them. Have fun.
Paul Savage
paul.savage@mercury.chem.csiro.au ... Australian Science...Australia's Future