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From bugzi...@apache.org
Subject [Bug 58740] [PATCH] Fix O(n^2) behavior when generating XLSX files with large number of styles
Date Wed, 16 Dec 2015 21:17:19 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=58740

--- Comment #6 from Nick Burch <apache@gagravarr.org> ---
(In reply to Archie Cobbs from comment #5)
> Does OOXML and/or the POI API have support for that?

Yes! Take a look at the colourScales method of the ConditionalFormats example
program to get started, then the related unit tests if you need more

(Note that if you write a colour scale into a .xls or .xlsx file, it will only
render properly if you open in a new enough copy of Excel. Older versions will
skip over the records/xml without rendering anything)

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