Review Request: Plasma::Svg: Do not require exact match for size hinted elements.

[Ingomar Wesp]

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http://svn.reviewboard.kde.org/r/5689/
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(Updated 2010-10-25 23:54:14.696262)


Review request for Plasma.


Changes
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Updated patch to use more restrictive, but nicer regex suggested by Manuel Mommertz. Yay for reduced complexity!


Summary
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Previously, if an SVG contained size hinted elements, they were only used when the display size matched the size hint exactly. This patch tries to relax this condition by searching for the smallest size hinted element that is still bigger than the display size (in order for the element to be chosen, it also has to have the same aspect ratio). If no such element can be found, it falls back to the normal element id as passed.

In order to speed up the lookup (and because it appears to be impossible to access the DOM of an already loaded SvgRenderer), all size hinted element ids are stored in SharedSvgRenderer at load time.

I think it would be good to change the QRegExp based id fetching into a proper DOM traversal. Are there any convenience functions in KDELibs that allow easy iterating over all elements (couldn't find any) or do I have to implement that myself based on Qt's DOM classes?

Please tell me what you think... Have I missed something?


Diffs (updated)
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  /trunk/KDE/kdelibs/plasma/private/svg_p.h 1189821 
  /trunk/KDE/kdelibs/plasma/svg.cpp 1189821 

Diff: http://svn.reviewboard.kde.org/r/5689/diff


Testing
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Thanks,

Ingomar

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