Review Request: Fix for artifacts in the path point handles

[Sven Langkamp]

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http://git.reviewboard.kde.org/r/105834/
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Review request for Calligra.


Description
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When editing a path in Krita the path tool causes some artifacts. See attached screenshot. The problem is that the handles only update the current position of the handle, but not the previous. The patch keeps the previous rect to update it in the next update. It's a bit ugly, but I didn't find a better fix.


Diffs
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  libs/flake/tools/KoPathToolHandle.h 796667f 
  libs/flake/tools/KoPathToolHandle.cpp e37a7a7 

Diff: http://git.reviewboard.kde.org/r/105834/diff/


Testing
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Tested in Krita, solves the artifacts problem.


Screenshots
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Artifacts
  http://git.reviewboard.kde.org/r/105834/s/662/


Thanks,

Sven Langkamp

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