For my application, the answer to your question as to whether or not
graphics are slower under Leopard is "yes, Leopard is slower unless
you change the UseQuartz setting to 'true', thereby bypassing the Sun
2D renderer (which is now the default)".
My program uses a custom scrolling view to blit potentially hundreds
of BufferedImage objects to the screen at a time. Using the Sun 2D
renderer, the bit-blit performance is quite poor even on my 8-core Mac
Pro with 3GB RAM. Reactivating the Quartz renderer completely
eliminates this performance issue for me.
I have already submitted this bug (following WWDC07) to apple as Bug
#5433049. Please feel free to submit your own bug in order to "vote"
for this issue getting some attention.
Regards,
Mike Ellis
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 ?
Thank you for your help
--
Emmanuel PUYBARET
Email : email@hidden
Web : http://www.eteks.com
=========================
Michael F. Ellis
President
Ellis Softworks Inc.
----------
Phone: (941) 713-0361
Email: email@hidden
Web: http://www.ellissoftworks.com
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