Path: csiph.com!x330-a1.tempe.blueboxinc.net!feeder1.hal-mli.net!border3.nntp.dca.giganews.com!border1.nntp.dca.giganews.com!border4.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!news-out.readnews.com!transit3.readnews.com!news-out.news.tds.net!newsreading01.news.tds.net!86597e80!not-for-mail From: "tar" Subject: Re: Making color image wi Message-ID: X-Comment-To: comp.lang.java.gui Newsgroups: comp.lang.java.gui In-Reply-To: <7wTOh.46622$A53.25962@newsfe13.lga> References: <7wTOh.46622$A53.25962@newsfe13.lga> Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.15a-Win32 NewsLink 1.92] Lines: 15 Date: Wed, 27 Apr 2011 15:32:42 GMT NNTP-Posting-Host: 96.60.20.240 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1303918362 96.60.20.240 (Wed, 27 Apr 2011 10:32:42 CDT) NNTP-Posting-Date: Wed, 27 Apr 2011 10:32:42 CDT Organization: TDS.net Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.gui:1333 To: comp.lang.java.gui Maybe you could look at java.awt.image.RGBImageFilter and write your own RGB => Grayscale conversion. Or maybe using the existing javax.swing.GrayFilter will do what you want. I'm not sure if the latter one preserves the alpha channel, though. -- Thomas A. Russ, USC/Information Sciences Institute --- * Synchronet * The Whitehouse BBS --- whitehouse.hulds.com --- check it out free usenet! --- Synchronet 3.15a-Win32 NewsLink 1.92 Time Warp of the Future BBS - telnet://time.synchro.net:24