[jira] [Commented] (NIFI-3737) Optimize png resources with optipng

[ASF GitHub Bot (JIRA)]

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https://issues.apache.org/jira/browse/NIFI-3737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15983175#comment-15983175
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ASF GitHub Bot commented on NIFI-3737:
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Github user scottyaslan commented on the issue:

    https://github.com/apache/nifi/pull/1693
  
    @brosander @andrewmlim I was running OSx version 10.11.6 and was able to 
see the error in these images. I then updated my OSx to version 10.12 and I can 
confirm that the pngs are now properly displayed.
    
    ![screen shot 2017-04-25 at 12 21 21 
pm](https://cloud.githubusercontent.com/assets/6797571/25396313/26f0e70a-29b2-11e7-96c9-80f370c2459b.png)



> Optimize png resources with optipng
> -----------------------------------
>
>                 Key: NIFI-3737
>                 URL: https://issues.apache.org/jira/browse/NIFI-3737
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Bryan Rosander
>            Assignee: Bryan Rosander
>            Priority: Trivial
>
> [Optipng|http://optipng.sourceforge.net/] is a utility that tweaks 
> compression parameters in png files to reduce their size without losing 
> quality.  Running this on all the png resources in NiFi reduces their total 
> size by about 35% (12M -> 7.4M).
> This isn't a huge change but it should be very low impact and will hopefully 
> make the ui feel a bit snappier with smaller resources.
> [Command to optimize all 
> pngs|http://stackoverflow.com/questions/21801085/optimize-images-in-directory-using-multiple-cpu-cores#answer-21998589]:
> {code}
> find ./ -iname '*.png' -print0 | xargs -0 -n 1 -P 4 optipng -o7
> {code}



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