how do you calibrate an image in java?

i am supposed to do calibration in my applet but i have no idea how to do it.what is image calibration in the first place?and how is this done in java?codes would be very helpful in here.... thanks...
[235 byte] By [whirlpool6a] at [2007-11-26 22:20:50]
# 1
what my client meant with calibration is just that which concerns dpi's...can somebody pls help me with this?how do i make an images dpi change in java?any reading on this will really help alot...thanks.
whirlpool6a at 2007-7-10 11:18:09 > top of Java-index,Java Essentials,Java Programming...
# 2
> any reading on this will really help alot...Exactly, you should be doing a lot of reading.
-Kayaman-a at 2007-7-10 11:18:09 > top of Java-index,Java Essentials,Java Programming...
# 3
does anyone of you have a n idea as to how this can be done?i still have no idea even until now...pls help....thanks a lot.
whirlpool6a at 2007-7-10 11:18:09 > top of Java-index,Java Essentials,Java Programming...
# 4
http://java.sun.com/docs/books/tutorial/2d/index.html
DrLaszloJamfa at 2007-7-10 11:18:09 > top of Java-index,Java Essentials,Java Programming...
# 5
> http://java.sun.com/docs/books/tutorial/2d/index.htmli can't seem to find something related to dpi in here... :(
whirlpool6a at 2007-7-10 11:18:09 > top of Java-index,Java Essentials,Java Programming...