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From Apache Wiki <wikidi...@apache.org>
Subject [Xmlgraphics-fop Wiki] Trivial Update of "AreaTreeIntermediateXml" by JeremiasMaerki
Date Mon, 19 Dec 2005 15:17:39 GMT
Dear Wiki user,

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The following page has been changed by JeremiasMaerki:
http://wiki.apache.org/xmlgraphics-fop/AreaTreeIntermediateXml

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   * Trying to reactivate the CachedRenderPagesModel shows several problems with the current
area tree: Instances of ColorTypeProperty and Font, for example are not serializable. Being
a Serializable is not a strict requirement for implementing the intermediate format but it
shows problem spots on the way to a fully reloadable area tree.
   * Font is a special problem: It uses the internal key ("F1", "F2" etc.) to point to the
right font. For the area tree, this should be reworked to contain the info on the exact font
used during layout. The renderer will have to lookup the font once more to get at the font
metrics if it needs them. If a serialized area tree is deserialized later, we need to be able
to find out if a font is suddenly not available anymore. We shouldn't do any font substitution
anymore in this case.
+  * Hmm, it doesn't make sense to start big improvements in the font area before Vincent's
changes for font support.
  

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