Please help, why if fade on images so sloow

Hi all,
I'm sorry for crossposting but javafx is too slow for simplest fade in effect, and no one is here to help me :( :( :(
the original post is here: http://forums.sun.com/thread.jspa?threadID=5365155
it even has points if anyone is willing to help.
I reall think that such a simple effect should'nt be slow (especialy with d3d).

The code is in the original post
http://forums.sun.com/thread.jspa?threadID=5365155
I've made this one because there were no answers there,

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JDunlop,
thanks for your quick reply to my java.sun.com forum posting! i just got back from vacation, so i didn't get a chance to try your method til now. i pulled your email address off the website to update you on my problem playing an avi file in JMStudio (JMF).
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The file contains unknown video data
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Video data: FOURCC code "MP42"
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