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ARM_JPEG.ARC
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!ArmJPEG
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1994-01-16
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ArmJPEG © George S. Kapogiannopoulos, 1993
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!ArmJPEG generates JPEG image files from a various native and foreigner
image formats. It is based on the fourth public release of the Independent
JPEG Group's free JPEG software.
The program in this version ONLY creates JPEG image files because, are
already exist various viewers around.
The reason it was created was to make the life easier for Acorn users who
want to transfer Sprites and AIM files to JPEG image files, who till now,
had to transfer the files to another format (GIF, TARGA, PBMPlus, RLE),
which by the way take no compression, except GIF format which can't handle
24 bit color images. This is why I add and a TIFF extension which can
generate JPEG image files direct from TIFF files (even compressed). The
TIFF format, I think is the best and maybe will be the next Acorn standard,
can handle even JPEG files (revision 6.0) and the source maybe appear to a
next release of the Independent JPEG Group's free JPEG software.
The Program supports the following input image files:
• Supporting baseline non-planar "II"(little-endian) and "MM"
(big-endian) TIFF revision 5.0 and 6.0, having no compression
or LZW compression TIFF (Tag Image File Format)
• AIM (Archimedes Image Manager) 256x256 grayscale images
• Sprites having 256 colours, palette data ignored
The following gives more details about the supporting formats
Filetype Name Commets
&004 * AIM 256x256 grayscale
&ff9 * Sprite only 256 colors, palette data ignored
&ff0 ! TIFF grayscale (Class G)
palette-color (Class C) 8 bpp
RGB full color (Class R) 24 bpp
compression none/LZW for all of the above
&695 ! GIF originally from JPEG Group's software
&69D ! Targa originally from JPEG Group's software
&69E ! PBMPlus originally from JPEG Group's software
&6A1 ! RLE originally from JPEG Group's software
* indicates which image formats are recognized by the filetype.
! indicates which image formats are recognized without having the correct
filetype.
You may NOT change this application or use ANY part of it in other
products without my approval. You may spread it freely (with *ALL* files
included), but not for any profit. This software is provided 'as is'.
Using it is entirely at your own risk.
This application may NOT be distributed as an 'extra' in commercial
products. You are kindly invited to contact me to discuss financial detail,
should you want to do so.
Only to registered users will be supplied with improved versions of
!ArmJpeg, featuring:
• Support for Greyscale sprite format
• Support for Acorn's new sprites format (true colour)
• Support for Clear format
• Support for arbitrary sized AIM format files
• Any suggestions/improvements you have
In order to register your copy of !ArmJPEG, please send £12 to author's
address. (Only notes, any US/European currency)
+-------------------------------------------------------------------+
| Copyright (C) 1993, George S. Kapogiannopoulos. |
| Permission to use, copy, modify, and distribute this software |
| and its documentation for any purpose and without fee is hereby |
| granted, provided that the above copyright notice appear in all |
| copies and that both that copyright notice and this permission |
| notice appear in supporting documentation. This software is |
| provided "as is" without express or implied warranty. |
+-------------------------------------------------------------------+
Feel free to contact me for bugs, comments or whatever:
Mail: George Kapogiannopoulos
Megdoba 18,
131 22 Nea Liosia,
Athens,
Hellas (Greece).
Email: georgek@iit.nrcps.ariadne-t.gr