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Posted to batik-dev@xmlgraphics.apache.org by bu...@apache.org on 2005/09/22 13:38:30 UTC
DO NOT REPLY [Bug 36769] New: -
[PATCH] Slow Rendering on Mac OS X 'Tiger'
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http://issues.apache.org/bugzilla/show_bug.cgi?id=36769
Summary: [PATCH] Slow Rendering on Mac OS X 'Tiger'
Product: Batik
Version: 1.6
Platform: Other
OS/Version: other
Status: NEW
Severity: normal
Priority: P2
Component: GVT
AssignedTo: batik-dev@xml.apache.org
ReportedBy: deweese@apache.org
This bug is for tracking the problem of slow rendering
on Mac OS X Tiger. The basic issue is summed up in the
following Apple java-developer links:
http://lists.apple.com/archives/java-dev/2005/May/msg00498.html
http://lists.apple.com/archives/Java-dev/2005/Jul/msg00009.html
http://lists.apple.com/archives/java-dev/2005/Aug/msg00381.html
The short summary is that if you ever gain access to
the underlaying data array from a BufferedImage than all
Graphics2D calls to that BufferedImage will involve copying
the entire BufferedImage back and forth between main memory
and the GPU.
I will attach a patch (really a new file) that attempts to
work around this in the worst and most common case.
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