Hi --
I am working on a project that requires multiple document interfaces and
3D graphics. This requires a way to work around the problem of
heavyweight canvas3D and the lightweight swing components. With the
alpha release of j3d1.2 there is the option to render the canvas3D to an
offscreen buffer. I am trying to use this to render the contents of a
canvas to a BufferedImage and then draw this buffered image into a
JPanel of an JInternalFrame. Following the example provided in the
j3d1.2 I get the offscreen buffer after postSwap() and then send this
buffer to be drawn in the JPanel of the JInternalFrame through
paintComponent(Graphics g) [drawImage(BufferedImage)].
The problem is that the buffer is always empty (seems empty), even
though I do not fill the buffer until after the postSwap().
I hope you do not mind me including the source code I have written (it
is in WinZip format only 4k, included are 4 source files, I can send
other compressed formats if you need them).
Has anyone got any ideas of what I am doing wrong (or have I taken the
wrong approach?), why the buffer never contains what I render in the
canvas3D? I have been working on this for a while now and can not seem
to resolve this problem so any input would be appreciated.
[I am working on WindowsNT, jdk1.3 and j3d1.2]
regards
Darren
--
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Darren Boyce, MSc. [Research Assistant]
Room 2.01, Telephone +44-1179-545239
Department of Computer Science, Email: [EMAIL PROTECTED]
University of Bristol, Internet:
http://paramount.cs.bris.ac.uk/
Merchant Venturers Building,
Woodlands Road, Bristol
BS8 1UB, UK.
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offscreen.zip
