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http://www.openoffice.org/issues/show_bug.cgi?id=112117
User aw changed the following:
What |Old value |New value
================================================================================
Status|NEW |STARTED
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------- Additional comments from [email protected] Fri Jun 4 12:24:49 +0000
2010 -------
AW: The chart is slow due to two reasons:
(a) When the Metafile is converted to primitives, the transparent grid lines
which are transported in the Metafile as MetaFloatTransparentAction (Metafiles
have very limited possibilities to transport transparence information) are by
error embedded into a MastPrimitive each by error. This happens since the main
graphic state during processing has a ClipRegion and the Sub-Metafile content
used in MetaFloatTransparentAction is interpreted using this. This is wrong; a
sub-content need to start wit a freshly initialized (to defaults) graphic
content. Problem is that this collides with #i111235# from aw081.
(b) Each transparent hairline is embedded into a UnifiedTransparencePrimitive2D.
This is correct, but can be optimized in the pixel renderer by detecting those
cases and drawing transparent hairlines directly. This would need #i101378#
which is in CWS vcl112.
As can be seen, the preconditions are not good. With OOo3.3 closing coming
nearer, i will do what i can.
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