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Enrico Ros authored
PixmapRequest class. When requesting pixmaps, one or multiple requests are sent to the Document that (frees memory as in current policy) and send each PixmapRequest to the current Generator. Added a signal in generators to notify the Document when a pixmap generation has finished. PageView, ThumbnailsList, PreviewWidget have been unbroken after the memory management commit. (mem management seems in pretty good shape..it's smart.) Added 'visible widgets' list to those classes to speed up searching and processing on visible widgets only. Note: asyncronous pixmap requests can now be queued and we're getting very close to the threaded generator. Note2: Leakfixes and memory improvements. Final NOTE: head merging is possible now, as all remaining work can be considered bugfixes.. API is getting final. It will only change in xpdf dep stuff, the already undefined Viewport object and some bits in Generators. svn path=/branches/kpdf_experiments/kdegraphics/kpdf/; revision=372787
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