You shouldn't be using Antialiased rendering on an Indexed image.
Antialiasing requires the ability to choose a color that is N% of the
way from the foreground to the background and store that color, but that
color may not be in the colormap of an Indexed image.
One could argue that we should have just ignored the AA hint for Indexed
images since we may not find the intermediate colors that we need for
the effect, but some images may actually have enough of the intermediate
colors that we can render a nice effect even just restricting ourselves
to the colors available in the colormap. So, we left it in and let the
developer choose whether or not it is working well for their situation
(which depends on the colormap that they are using).
Since it doesn't seem to be working well with your particular colormap,
my suggestion is to not use Antialiasing - or to come up with a better
selection of colors in your colormap that provide enough intermediate
colors for the AA algorithm to do its job...
...jim
[EMAIL PROTECTED] wrote:
If I draw into an Indexed bitmap, it seems that with antialias on it uses some kind of
"change color on edges" algorithm. I am writing with one color, but the new
pixels that antialiasing adds are not always the same color. I need to find a way to turn
this off, and force it to use the same color.
[Message sent by forum member 'keith198' (keith198)]
http://forums.java.net/jive/thread.jspa?messageID=290418
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