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1991-12-06
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ColorJust release 2.0 11/91
----------------------------
Written by Chris Howe
Dept. of CS & EE
University of Vermont
Burlington, VT 05405
*********************************************************************
*** This Program is Copyright (c) 1991 by Chris Howe. ***
*** Version 2.0 of this program is released to the public domain. ***
*********************************************************************
INTRODUTION:
ColorJust provides an easy and fun to use interface to three of
your VGA's color registers -- those which determine the default text
foreground, background and border colors. By manipulating the color
registers directly, a vast range of color adjustment is possible.
Each color register can hold 64 levels of each of the primary colors:
Red, Green and Blue. This gives a total number of possible combinations
equal to 64 to the third power, or 262,144.
This sounds like a lot, but in practice some of the combinations
are not perceptibly different (at least not to my eyes!). However,
you still have far greater flexibility than you did with some of the
old color customization programs that only let you choose between the
16 default EGA colors.
USE:
The ColorJust interface was designed to be as self-explanatory as
possible. When you type CJ (or whatever you rename the program to) at
the DOS prompt, a control panel box will pop up. This is dominated by
9 horizontal color-coded bar graph indicators, which reflect the current
state of the text colors.
The color levels may be adjusted by clicking the left button of the
mouse on the arrows to the left of the bar graphs. Holding the button
down on an arrow will cause an auto-repeat action to occur after a short
delay. Any changes will immediately affect the screen behind the control
panel box.
A particular color combination may saved in a file. To do so,
click on the "Save" button, and enter the file name at the prompt.
The Save box is small, but it scrolls horizontally to accommodate
long paths.
A load button is not present in this version, because it seemed
unnecessary for only three sets of numbers.
However, files may be used to set the screen colors from the
command line. This allows you to set your favorite colors in the
autoexec.bat file. An example of the syntax is:
CJ -f coolblue.ice
The "About" button doesn't really do anything; don't bother
clicking on it. (A little reverse psychology)
Click on the "Exit" button to return to DOS.
NOTES:
Some applications programs, especially those that use graphics
mode, alter the color registers directly and do not restore them
to their original values when they terminate. If this happens, you
will have to reload your color file.