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README.1ST
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1993-02-28
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INTRODUCTION
PMJPEG is a shareware image viewer with image processing and conversion
capabilities for OS/2 2.x. PMJPEG is a port of WinJPEG to OS/2 2.x.
PMJPEG v.0.95 has the following features:
- display JPEG, GIF, Targa, Windows BMP, or OS/2 BMP images
- display of JPEG images with 1-pass/2-pass quantization and
Floyd-Steinberg dithering
- color balance: red, green, and blue adjustment
- hue, saturation, and brightness adjustment
- image rotation, vertical or horizontal flip
- batch file compression of GIF or TARGA files to JPEG File
Interchange Format (JFIF)
In order to see images displayed with the right colors, you must use a
version of OS/2 and a 256 color driver that support palette manager.
Both OS/2 2.0 with the Service Pack and OS/2 2.1 beta support palette
manager.
If you are using the 256 color ET4000 driver that comes with OS/2 2.1
beta, you'll notice that the image under the dialog box or under the
drop-down menu is not re-drawn correctly. This is a bug in the ET4000
driver.
When you exit, the system colors may not return to normal. This appears
to be a bug with the palette manager of the December 1992 OS/2 2.1 beta.
However, the palette does appear to correct itself after you open and/or
close a window, such as the window list.
The planned features for v.1.0 are:
- display JPEG, TIFF, Targa, GIF, Windows BMP, or OS/2 BMP images
- export an image to JPEG, TIFF, Targa, GIF, or OS/2 BMP
- display of 24-bit images with 1-pass or 2-pass(for JPEG only)
quantization and Floyd-Steinberg dithering
- color balance: red, green, and blue adjustment
- hue, saturation, and brightness adjustment
- contrast enhancement
- image rotation, vertical or horizontal flip
- batch file compression of GIF, TIFF, or TARGA files to JPEG File
Interchange Format (JFIF)
- slideshow: display selected files sequentially with a cycle option
Registered users will receive a copy of v.1.0 when it is available
(expected in early April).
CONTENTS OF ARCHIVE
The following files are contained in this archive:
order.frm - PMJPEG order form
pmjpeg.hlp - PMJPEG online help
pmjpeg.exe - PMJPEG v.0.95
readme.1st - this file
whats.new - changes from previous versions
DISTRIBUTION CONDITIONS
You are free to distribute this shareware version of PMJPEG as long as the
following conditions are met:
1) The distributed archive must contain ONLY the files listed above.
2) The contents of this archive are NOT MODIFIED in any way.
3) This version is not to be sold. However, a reasonable disk copying fee
is permitted.
4) This version is not to be bundled with a commercially sold package
without permission from the authors.
HOW TO REGISTER
If you use PMJPEG for more than 14 days, you are expected to register
PMJPEG. When you register, you will receive the latest version of
PMJPEG, a user manual, and a collection of JPEG images (we will put as
many as we can fit on 2 720k 3 1/2" floppies, on 1 1.44M 3 1/2" floppy,
or on 4 360k 5 1/4" floppies). Also, the registered version does not
have the reminder-to-register screen at the start.
The registration fee is only $20. MA residents, add 5% sales tax to the
registration fee. US residents, add $3 for shipping and handling;
non-US residents, add $8 for shipping and handling. If you want PMJPEG
e-mailed to your account instead of having it physically mailed to you,
there is no extra shipping charge. For e-mail registrations, you need a
utility called "uudecode" to decode the uuencoded file that we e-mail to
you.
Registrations with the incorrect fee or with non-US currency will be
returned.
Because of the lengthy time it takes to produce a new version and to
distribute it to registered users, updates will cost $5. Shipping fees
described above apply to updates as well. Updates are available when
you see a new shareware version.
To register, complete the order form and send a check in US funds to:
Norman Yee
58 Chandler St.
Boston, MA 02116
REPORTING BUGS
If you find a bug in PMJPEG, we would appreciate it if you would inform
us of the bug through one of our e-mail accounts:
Norman Yee
nyee@osiris.ee.tufts.edu
Ken Yee
kenyee@ksr.com
When you send us a bug report, include a description of the procedure
for reproducing the bug and a description of your system
configuration(hardware and software).
DISCLAIMER
The authors of this program accept no responsibility for damages that
are caused by this program and make NO WARRANTY or representation,
either express or implied, with respect to this software. This software
is provided "AS IS," and you, its user, assume the entire risk when you
use it.
ACKNOWLEDGMENTS
PMJPEG is based in part on the work of the Independent JPEG Group.
Windows is a trademark of Microsoft Corporation.
OS/2 is a trademark of International Business Machines Corporation.
The Graphics Interchange Format(c) is the Copyright property of
CompuServe Incorporated. GIF(sm) is a Service Mark property of
CompuServe Incorporated.
WinJPEG is copyright (C) 1992, 1993, Norman Yee and Ken Yee. All rights
reserved.
PMJPEG is copyright (C) 1993, Norman Yee and Ken Yee. All rights
reserved.