Review Request 120703: Optimize writing of black color in pgf output

[Christoph Feck]

> On Oct. 25, 2014, 4:34 a.m., Albert Astals Cid wrote:
> > why discarded?

Check the bug :)


- Christoph


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On Oct. 25, 2014, 3:17 a.m., Christoph Feck wrote:
> 
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> https://git.reviewboard.kde.org/r/120703/
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> 
> (Updated Oct. 25, 2014, 3:17 a.m.)
> 
> 
> Review request for KDE Edu and David Narváez.
> 
> 
> Bugs: 340213
>     http://bugs.kde.org/show_bug.cgi?id=340213
> 
> 
> Repository: kig
> 
> 
> Description
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> 
> Write "color=black" instead of "color={rgb:red,0;green,0;blue,0}". Appearantly, there is a bug in Ubuntu 14.04 LTS Latex, which causes a floating point error when all components are 0, probably because it tries to convert it to a different colorspace, without handling the 0 case.
> 
> While we should not work around this bug, we still can apply this to "optimize" the produced .pgf file, both in file size, as well as in readability.
> 
> The referenced bug report also suggests to do this for other special colors, but I am not sure if "red" is really 255,0,0 in PGF, and I was to lazy to check this. It is not required for the workaround, either.
> 
> 
> Diffs
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>   filters/pgfexporterimpvisitor.cc 3065338 
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> Diff: https://git.reviewboard.kde.org/r/120703/diff/
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> 
> Testing
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> 
> Thanks,
> 
> Christoph Feck
> 
>

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