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- _______________________________________________________________
- SCREENFLIP 1.0 — A freeware screensaver module
-
- By Leo Breebaart, © Kronto Software 1994
- Internet e-mail: leo@cp.tn.tudelft.nl
- _______________________________________________________________
-
-
- Description
-
- ScreenFlip performs ‘animated’ horizontal and vertical flips of your
- screen’s contents. Silly, no?
-
-
- Features
-
- • Compatible with After Dark, DarkSide of the Mac and UnderWare.
- • Flicker-free animation.
- • Does not use any permanent System memory.
- • Has an animated About Box.
- • Runs under both MultiModule and the Randomizer — without crashing.
- • Comes with extensively documented source code (THINK C 7.0.3 format).
- • Both the module and the source code are freeware.
-
-
- Restrictions & Technical Remarks
-
- • ScreenFlip needs Color QuickDraw to run. A color screen is not essential,
- however: on a Black & White SE/30 the module works just fine.
-
- • Multiple-monitor setups are not supported — the animation always runs
- on the main monitor only (and will simply black out any other screens).
-
- • ScreenFlip tries to be a well-behaved, system-friendly module. It will,
- for instance, not reserve any permanent memory in your system heap. That
- means that having ScreenFlip selected costs you no more memory than having
- the default ‘Starry Night’ module selected.
-
- • The ‘Instant Flips’ option uses a lot of (temporary) memory. If the module
- won’t run because of this, you can try quitting one or two applications.
- Otherwise you can just uncheck the option. There’s no need to restart.
-
- • I cannot guarantee that ScreenFlip will work with versions of After Dark
- earlier than 2.0u. The same holds for any other programs that are supposed
- to be able to play After Dark modules (except for DarkSide and UnderWare).
- In all such cases, ScreenFlip may run, or it may not. Feedback about
- compatibility issues will be much appreciated.
-
- • At the moment of writing the current version numbers of the screensavers
- ScreenFlip works with are 2.0x for After Dark (2.0y if you have the Disney
- Collection — I haven’t seen After Dark 3.0 yet), 4.1 for DarkSide and 1.0.1 for
- UnderWare. Free updaters for these programs are readily available on the
- Internet and on all the major commercial software archives. See also the
- URLs section at the end of this file.
-
-
- Credits
-
- The text shadowing effect in the module’s About Box was created using the
- freeware Adobe Photoshop plug-in filter Drop Shadow, by Alien Skin Software.
-
- As always, thanks to Lloyd “Screensaver FAQ” Wood for feedback and
- beta-testing.
-
-
- For Programmers
-
- The most recent version of the After Dark programmer’s interface (which
- also gets updated sometimes — the copy that came with your diskette may
- be outdated!) is available from the major Internet archive sites such
- as sumex.stanford.edu, mac.archive.umich.edu and their mirrors.
-
- If you want to write After Dark modules yourself, consider joining the
- After Dark programmer’s mailing list. In order to subscribe, send mail
- to afterdark-request@emsr.att.com.
-
- Associated with the mailing list is the After Dark ftp site, where you will
- find lots of After Dark-related material, including many modules as well
- as special programmer’s information. For those of you connected to the
- Internet: a convenient way to access the After Dark ftp site is by using
- the bookmark file included in this distribution of ScreenFlip. This
- bookmark can be opened (just double-click it) by Fetch (2.1.2 or later)
- or Anarchie (1.0.3 or later), two ftp-aware applications that no Mac
- on the Internet should be without. You will then directly be transported
- to the relevant directory on the ftp site. There is also a WWW page
- available (see the URLs section below).
-
- Finally, programmers may want to take a look at The Swarm, another
- screensaver module I wrote, which also comes with documented source
- code.
-
-
- Final Remark
-
- Nobody who owns a Macintosh screensaver package should be without
- the most recent version of Lloyd Wood’s Screensaver FAQ (Frequently
- Asked Questions) List. Copies of this list are also available from all major
- archive sites on or off the Internet. It is a must-have. Trust me.
-
- Enjoy,
-
- --
- Leo Breebaart (leo@cp.tn.tudelft.nl)
-
- _______________________________________________________________
-
- Appendix: URLs
-
- Here are URLs for the Internet resources mentioned in this document. Newer
- versions of these resources may of course have become available by the time
- you read this, and most of these files are availables from many other sites
- as well.
-
- After Dark 2.0x Updater:
- ftp://sumex.stanford.edu/info-mac/gui/ad/after-dark-20x-updt-102.hqx
- Underware 1.0.1 Updater:
- ftp://sumex.stanford.edu/info-mac/gui/underware-10-101-updt.hqx
- DarkSide of the Mac 4.1:
- ftp://sumex.stanford.edu/info-mac/gui/dark-side-of-the-mac-41.hqx
- Fetch 2.1.2:
- ftp://sumex.stanford.edu/info-mac/comm/tcp/fetch-212.hqx
- Anarchie 1.2.1:
- ftp://sumex.stanford.edu/info-mac/comm/tcp/anarchie-121.hqx
- Drop Shadow 1.1g:
- ftp://sumex.stanford.edu/info-mac/grf/util/photoshop-drop-shadow-11g.hqx
- The Swarm 1.0:
- ftp://sumex.stanford.edu/info-mac/gui/ad/swarm-10-ad.hqx
- After Dark FTP-Site:
- ftp://ftp.att.com/pub/afterdark/
- After Dark FTP-Site WWW Page:
- ftp://ftp.att.com/pub/afterdark/index.html
- Screensaver FAQ:
- ftp://sumex.stanford.edu/info-mac/gui/ad/screensaver-faq-21.txt
- Screensaver FAQ WWW Page:
- http://www.astro.nwu.edu/lentz/mac/faqs/home-faqs.html
- General Macintosh FAQs:
- ftp://rtfm.mit.edu/pub/usenet/news.answers/macintosh/
- General Macintosh FAQs WWW Pages:
- http://rever.nmsu.edu/~elharo/faq/faqs.html
- _______________________________________________________________
-