Hi Daniel, Bug 4672391 - ImageComponent2D/3D getImage() throws ClassCastException for non BufferedImage
is submitted for this. Thanks for your bug report. - Kelvin ------------- Java 3D Team Sun Microsystems Inc. >Date: Sun, 21 Apr 2002 21:35:26 -0600 >From: Daniel Selman <[EMAIL PROTECTED]> >Subject: Re: [JAVA3D] Bug using JAI with Java 3D 1.3 B1? >To: [EMAIL PROTECTED] >MIME-version: 1.0 >X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 >Content-transfer-encoding: 7bit >Importance: Normal >X-Priority: 3 (Normal) >X-MSMail-priority: Normal >Delivered-to: [EMAIL PROTECTED] > >All, > >Clarification: > >The stack trace I initially posted is misleading, as I was mistakenly >calling ImageComponent2D.getImage, however even if you call >ImageComponent2D.getRenderedImage you can see that the call gets delegated >to ImageComponent2DRetained.getImage which assumes it can cast to >BufferedImage. > >Exception occurred during Behavior execution: java.lang.ClassCastException: >javax.media.jai.RenderedOp at >javax.media.j3d.ImageComponent2DRetained.getImage(ImageComponent2DRetained.j >ava:339) at >javax.media.j3d.ImageComponent2D.getRenderedImage(ImageComponent2D.java:298) >at MultiTextureTest.updateData(MultiTextureTest.java:362) > >My next problem is what can I DO with an instance of >java.awt.image.RenderedImage (RenderedOp) if I can get one? It appears that >BufferedImage is the only WRITABLE image anyway, so even if I get a >RenderedImage back inside my updateData method how would I modify it? My >previous code was using a BufferedImage and simply getting a Graphics2D from >the BufferedImage and manipulating it. I am trying to use JAI to generate >procedural BYREF textures, updated from within a behavior using >ImageComponent2D.updateData. > >Is this a problem integrating JAI and Java 3D? Any thoughts, experience and >guidance much appreciated. > >Sincerely, > >Daniel Selman > >Author - "Java 3D Programming" >http://www.manning.com/selman > >-----Original Message----- >From: Discussion list for Java 3D API >[mailto:[EMAIL PROTECTED]]On Behalf Of Daniel Selman >Sent: Sunday, April 21, 2002 9:12 PM >To: [EMAIL PROTECTED] >Subject: BUG: using JAI with Java 3D 1.3 B1? > > >All, > >I am using JAI to generate some procedural texture images and I am getting >the following exception: > >java.lang.ClassCastException: javax.media.jai.RenderedOp at >javax.media.j3d.ImageComponent2DRetained.getImage(ImageComponent2DRetained.j >ava:339) at >javax.media.j3d.ImageComponent2D.getImage(ImageComponent2D.java:275) > >Java 3D appears to be assuming that the image is a BufferedImage. It is a >javax.media.jai.RenderedOp instance (which implements >java.awt.image.RenderedImage). > >Is this a bug, or am I doing something wrong? > >Thanks, > >Daniel Selman > >Author - "Java 3D Programming" >http://www.manning.com/selman > >=========================================================================== >To unsubscribe, send email to [EMAIL PROTECTED] and include in the body >of the message "signoff JAVA3D-INTEREST". For general help, send email to >[EMAIL PROTECTED] and include in the body of the message "help". > >=========================================================================== >To unsubscribe, send email to [EMAIL PROTECTED] and include in the body >of the message "signoff JAVA3D-INTEREST". For general help, send email to >[EMAIL PROTECTED] and include in the body of the message "help". =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
