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ColorCorrect.doc
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ColorCorrect 1.0 Documentation
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I] Introduction :
~~~~~~~~~~~~~~~~~
Many people owning an Amiga 1200 have problems with displaying high
resolutions (DblPal, Multiscan) screens. Indeed, it seems to be a hardware
problem that causes flickering stripes to appear progressively on the screen,
corrupting the display.
There is a hardware solution, but since I'm not that good at soldering, I
finally made this little program.
Indeed, there's a software way to avoid this problem ! In fact the stripes
appear if you have a color palette containing one (or more) full white colors
(i.e. 255,255,255 as RGB colors).
So you can grab a palette editor commodity, and change by hand all the full
white colors into almost-full white colors (i.e. 245,245,245 as RGB values).
But if your screen has many full white colors, it can become very tedious to
have to modify all these color registers manually...
That's why I created ColorCorrect... ;-)
II] Usage :
~~~~~~~~~~~
Very simple ! ColorCorrect will scan the palette of the frontmost screen, and
replace all the 255,255,255 colors by 245,245,245 ones. And automatically all
the flickering stripes will disappear ! (and the difference between the two
palette is really minimal...)
You can run ColorCorrect from CLI (or WB), but ColorCorrect is really useful
when you associate its execution to a hotkey (thanks to a commodity like MCP,
for example). Then, by simply pressing a hotkey, you'll remove all the
garbage on your screen.
If for any reason, the flickering is still present on your screen after
running ColorCorrect, then you may have to lower the brightness of the white
colors a bit more (then your Amiga is really tired. You should offer him a
rest. ;-))... That's why ColorCorrect accepts an argument, that defines the
level of brightness you want to have.
So if you type "ColorCorrect 210" in the CLI, then all white colors brighter
than 210,210,210 will be set to 210,210,210. As you guessed it, typing
"ColorCorrect" only is exactly like typing "ColorCorrect 245"... ;-)
III] Distribution :
~~~~~~~~~~~~~~~~~~~
ColorCorrect is of course FREEWARE !
Use it (and it's source) in any way you want ! ;-)
IV] Author :
~~~~~~~~~~~~
If you want to contact me for *any* reason, please send me a little e-mail at :
fcalendini@aix.pacwan.net
(I love receiving e-mail !)
See you !
Frédéric Calendini.