On Oct 29, 2007, at 8:22 AM, Emmanuel Puybaret wrote:
Hi,
A user reported to me that Sweet Home 3D (available at http://sweethome3d.sourceforge.net ) was much slower under Leopard
than it
used to be under Tiger.
Could it because the property "apple.awt.graphics.UseQuartz" is now
equal to
"false" by default ? Could this property change the drawing speed of
texts
*and* Java 2D objects (Sweet Home 3D doesn't draw that much text) ?
Any other idea ?
This is a very cool application! You have given me a very dangerous
tool to justify me re-arranging my whole living room. :)
Yes, the Quartz vs. Sun 2D issue definitely affects far more that just
text - it is the whole Java 2D graphics pipeline that gets swapped
out. It's possible that your app found a "sweet spot" that Quartz was
highly optimized for (rendering into the ARGB_PRE images, for
example), and now it's using essentially the same software loops that
run on Windows and Linux.
I'd recommend trying out apple.awt.graphics.UseQuartz=true system
property, and filing a bug with us if you notice a significant
discrepancy. I also noticed the text in the JTree and JTable also had
some weird artifacts on them that don't reproduce in a simple app,
like SwingSet. Are you setting some kind of property on the text in
the cell renderer?
Thanks much, and keep up the great work,
Mike Swingler
Java Frameworks Engineer
Apple Inc.
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