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1994-02-01
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NAME
EGSShow 1.1 - GIF, JPEG and IFF viewer for the EGS window system
SYNOPSIS
egsshow [file]
STATUS AND COPYRIGHT
This program is public domain. It may be distributed as long as the
program and this manual file are always distributed together with the
following copyright notice and are not modified in any way:
EGSShow Copyright in 1994 by Dietmar Heidrich
DESCRIPTION
EGSshow is a viewing program for GIF, JPEG and IFF files on the EGS window
system. This program is able to read the JPEG format as well as the GIF
formats GIF87a, GIF89a and all future GIF files compatible with both of
the above as well as all valid IFF files, including EHB, HAM6 and HAM8.
The format of the file is detected automatically.
The display window's open size is determined by the initial picture file
and the maximum possible size on the EGS default screen. The picture
itself is displayed in a scrolling gadget that lets you select the part
you want to see.
EGSShow needs a lot of memory for bigger pictures ( > 640 x 480) and EGS
version 6 or higher. Selecting a lower colour depth than 24 bit for the
EGS default screen will save you lots of memory.
SHELL OPTIONS
file
The GIF, JPEG or IFF file to read at startup. If no file is initially
specified, no picture is displayed first.
WORKBENCH
EGSShow can also be started from the workbench. To initially display a
file, first click on the picture icon and double-click the EGSShow icon
while simultaneously pressing the shift key.
MENUS
EGSShow has only one menu named "Project" which contains the following
items:
Open
Opens file requester to display another picture.
Picture info
Displays info about the picture, ie. format, size and optional info.
Keep size
Checkmarked item that determines if the display window is resized for
every newly loaded picture (default) or if its size is kept constant.
About
Displays copyright info.
Quit
Quits the program.
TROUBLE GUIDE
If no picture is displayed after loading, there is a number of reasons
what might have gone wrong. First of all, you need enough memory. Then
there are JPEG file formats that are not supported such as arithmetic
encoding.
CREDITS
This software uses JPEG code from The Independant JPEG Group Version 4 and
the GIF decoder written by Steven A. Bennett. IFF support by Dietmar
Heidrich.