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Monster Media 1993 #2
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joevw12.zip
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README.JVW
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1993-07-13
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JoeView V1.2 7/13/93
Ok, this is the readme file for JoeView version 1.2.
Lots of changes over Version 1.1 (or 1.1f) see the changes file for that info.
One thing to note is that the aggressive palette option is now recommended to
be left on. You may want it off during a Slide Show that you are running in
the background however.
What is it?
Basically this is another image viewer for the OS2 operating system running
under PM. Your hardware needs to be able to display 256 colors for this
puppy to work.
Version 1.1 and 1.1f used a file called JoeView.ini. The format of this
file is not compatible with version 1.2 of JoeView. JoeView will wipe out
your old file and create a compatible new one.
Installation is real simple. Put joeview.hlp in your help path. Put
joeview.exe in some directory. For optimum performance you should
have an environment variable of TMP or TEMP pointing to
a temporary directory on your fastest drive. JoeView will store a
temp file (joeview.something) there. If the variable is not defined, the file
will be put on the current directory. Your done. This file should be
deleted by JoeView after it is done with it.
JoeView will create a file called JoeView.ini. This is where all of your
options are stored. Also, a file called JoeView.pal will be created. This
is a map of your system palette. It is important that when you run JoeView
for the first time that the system palette is in its "normal" state, i.e. no
programs which modify the palette should be running. You can delete
JoeView.ini or JoeView.pal to reinitialize them.
Like I said, this is beta code. I've been using it and had very few hard disk
crashes, your mileage may vary. You will see options in the program for
dealing with a variety of file formats. Read the help files for info on the
different file formats.
When you start JoeView you will notice there is not any menu bar. This is
because all commands are accessed through a double click of the left
mouse button or by using the system menu - the upper left corner button.
I suggest you run help (just hit 'h') and poke around. You
should probably look at Viewing Strategies. There are keyboard equivalents
for many of the mouse commands. See the key help section or hit 'k'. Play
around and you'll get the hang of it.
There are only two command line options. You may specify the name of a file
that JoeView will start loading immediately. The other is more complex,
read the help section on command line options.
JoeView is freeware-ish. You don't have to send me anything, but don't let
that stop you from throwing a few bucks my way. Cash to the following
address is the preferred method. I would appreciate getting feedback, bug
reports, etc via email.
/***********************************************/
Consider a brief evaluation of JoeView an obligation
if you use it for any amount of time. Send reports to:
/************************************************/
Joe Burkley
burkley@opus.nosc.mil, 128.49.60.1
Much of the the code to read in different format images is taken from others
work. Please read the file format sections in the help file in order that they
may given proper recognition.
/***************************************************/
Known Bugs:
Not a bug but I now will hide the file list box of the File Open Dialog
when reading a directory if there are a large amount of files. This
speeds up the listing considerably.
Occasionally will start up with a blue screen. This means the .ini file is
corrupt. Delete it.
Cropping rectange must go from upper left to lower right, not the other
way around.
Some Dialog boxes will have parts of their window turn blue.
Will not read truncated gifs.
When running the -b or -bs option, JoeView will become the active
application once at some point.
You can only resize (dragging the window) so far in width. In height you
can go almost to zero.
Very rare, but I (and others) have managed to get the File Open Dialog to
double list directories and files. Have not been able to do the error
consistently.
Quick Dir problem sometimes:
Add an item to the Quick Directory list on the main Options
window. Now click add again while the last added item is
still displayed. A new item is created that is created
without the drive letter. For example, C:\TEST becomes
:\TEST.
Fix: Don't do this! Just delete the unwanted entry. Also, JoeView
verifies drives and paths when you try and leave the Options
window so if you put floppies in the Quick Dir box, put a floppy
in the drive.
Sometimes will puke when trying to paste a bitmap that was created
as a 24 bit bitmap.
Not a bug but when you have the Aggressive Palette option on your system
may be constantly refreshing the palette when running certain other
programs, even JoeView's own help files. Turn off Aggressive Palette in
the option menu or by using the aggressive palette toggle of Alt A.
Some people have had problems using the floppy drives. I haven't seen this.
Toggling the Title Bar on and off during a slide show can be unpredictable.
When you have the Title Bar off you cannot use the space bar to minimize.
I used to occasionally see a garbage line at the top of the image. I think
its fixed but let me know if you see one.
Every now and then the colors will not refresh correctly on a new image, hit
r and the image colors will be refreshed correctly for that image. It seems
you will need to restart JoeView or the behaviour will probably continue
with each new image. Very annoying.
Printing can be kinda blah, working on it.
If you run multiple versions of JoeView all running the slideshow option and
your system goes into the screen-lockup mode, when you get out of screen-
lockup some of the versions of JoeView may not keep updating the images.
This seems to be because OS2 limits the number of timers available.