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Groups > comp.lang.javascript > #35551

Re: Finding a real background color of an element

Newsgroups comp.lang.javascript
Date 2018-09-02 12:40 -0700
References <plhirc$1e8i$1@csiph.com> <1ubqz126avwqd$.1ba1f0ac07trn$.dlg@40tude.net> <plk4ts$45p$1@csiph.com> <f1ec33cc-cc3d-4ad7-b25f-23f6796df02d@googlegroups.com> <plli2g$11k5$1@csiph.com>
Message-ID <fbb9d382-19fa-4829-be81-e48105345aec@googlegroups.com> (permalink)
Subject Re: Finding a real background color of an element
From "Michael Haufe (TNO)" <tno@thenewobjective.com>

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Cezary Tomczyk wrote:
> I do calculate a contrast ratio and for that purpose I need background 
> and foreground color. Currently, if I can't determine a background color 
> for a particular element then I do skip contrast ratio calculation.
> 
> I am working on https://www.aslint.org/. The code is not public yet, but 
> I have a plan to publish it.

Did you attempt any of the canvas + SVG based solutions yet? The method I mentioned in my last post has been implemented as a library:

<http://cburgmer.github.io/rasterizeHTML.js/>

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Thread

Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-08-21 19:40 +0200
  Re: Finding a real background color of an element "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2018-08-21 21:14 -0700
  Re: Finding a real background color of an element JJ <jj4public@vfemail.net> - 2018-08-22 14:32 +0700
    Re: Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-08-22 19:01 +0200
      Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-08-22 11:37 -0700
        Re: Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-08-23 07:52 +0200
          Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-08-23 04:54 -0700
            Re: Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-08-24 19:09 +0200
              Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-03 03:55 -0700
                Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-03 04:28 -0700
                Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-03 05:09 -0700
          Re: Finding a real background color of an element "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2018-09-02 12:40 -0700
            Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-03 03:51 -0700
              Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-03 03:55 -0700
            Re: Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-09-04 18:52 +0200
  Re: Finding a real background color of an element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-08-29 22:12 +0200
    Re: Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-08-31 22:30 +0200
      Re: Finding a real background color of an element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-02 05:09 +0200
        Re: Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-09-02 19:57 +0200
          Re: Finding a real background color of an element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-03 15:09 +0200
            Re: Finding a real background color of an element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2018-09-04 19:02 +0200
              Re: Finding a real background color of an element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-04 22:15 +0200
                Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-04 22:48 -0700
                Re: Finding a real background color of an element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-09-08 15:39 +0200
                Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-08 06:57 -0700
                Re: Finding a real background color of an element Richard Damon <Richard@Damon-Family.org> - 2018-09-08 13:32 -0400
                Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-08 10:43 -0700
                Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-08 10:44 -0700
                Re: Finding a real background color of an element Richard Damon <Richard@Damon-Family.org> - 2018-09-08 14:23 -0400
                Re: Finding a real background color of an element Julio Di Egidio <julio@diegidio.name> - 2018-09-08 11:31 -0700
                Re: Finding a real background color of an element Richard Damon <Richard@Damon-Family.org> - 2018-09-08 17:59 -0400
  Re: Finding a real background color of an element Silvio <silvio@internet.com> - 2018-09-04 22:05 +0200

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