I just downloaded Java3D Beta2 and this bug is still appearing in my application. Will this be fixed in the next release?
Sean > -----Original Message----- > From: Kelvin Chung [mailto:[EMAIL PROTECTED]] > Sent: Thursday, February 28, 2002 7:02 PM > To: Sean Sylvis > Cc: [EMAIL PROTECTED] > Subject: Re: [JAVA3D] J3DGraphics2D: color display problems > > > Hi Sean, > > Bug 4645320 - > > J3DGraphics2D RGBA will draw as ABGR if GL_EXT_abgr extension > not support > > is submitted for this. It will be fixed in v1.3 beta2. > > Thanks for your bug report. > > - Kelvin > ------------ > Java 3D Team > Sun Microsystems Inc. > > >Date: Thu, 28 Feb 2002 17:17:41 -0800 > >From: Sean Sylvis <[EMAIL PROTECTED]> > >Subject: [JAVA3D] J3DGraphics2D: color display problems > >To: [EMAIL PROTECTED] > >MIME-version: 1.0 > >X-MIMEOLE: Produced By Microsoft Exchange V6.0.5762.3 > >Content-transfer-encoding: quoted-printable > >Content-class: urn:content-classes:message > >Delivered-to: [EMAIL PROTECTED] > >Thread-topic: J3DGraphics2D: color display problems > >Thread-index: AcHAvuH6HrqFwRq7Qfe2l1HAc866Vw== > >X-MS-Has-Attach: > >X-MS-TNEF-Correlator: > > > >I have been trying to develop a 2D graphics overlay system > for my application. > I am developing on a Win2000 system using a 32mb ATI Radeon. > > > >Using the Java3D 1.3beta1 implementation, in my subclassed > postRender() method, > I tried to draw to the 2D graphics context, but have come > across a problem that > seems to be an implementation bug. All of the drawing to the > graphics context > undergoes some sort of color conversion process before being > displayed. For > example, the code: > > > >J3DGraphics2D.setPaint(new Color(255,255,0)); // Yellow > >J3DGraphics2D.drawRect(10, 10, 100, 100); > >J3DGraphics2D.drawString("molecule", vX, vY); > > > >results in the display of a magenta (Color: 255,0,255) > rectangle and string. > Setting the color to J3DGraphics2D.setPaint(new > Color(255,0,255)), or magenta, > results in the display of yellow objects. In addition, if > ever the red component > of the color, such as Color(0,255,0) is equal to zero, no > objects will display. > > > >It almost seems that the RGBA components are getting mixed > up at some point in > the rendering pipeline. I am drawing directly to the > J3DGraphics2D context, so I > don't believe I am causing this conversion. I thought that > maybe the red > component was being converted to an alpha value, which after > testing proved > incorrect. I have tried this on many different background > colors, with all the > different AlphaComposite types, all with the same results. > > > >This color conversion bug did not show up when I was using > the Java3D 1.2.1 > implementation and it does not show up when I draw to a > JPanel using the normal, > Graphics2D context in a Swing application without a Canvas3D. > > > >Thanks for any insight, > > > >Sean > > > >============================================================= > =============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".
