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Colors used in PDF File

Participant ,
Apr 17, 2019 Apr 17, 2019

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Hi,

     How to find out that how many colors used in pdf file. And also need to find out spot colors.

     How to find out in PDF file?

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Acrobat SDK and JavaScript

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Community Expert ,
Apr 17, 2019 Apr 17, 2019

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Use the Preflight tool.

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Participant ,
Apr 17, 2019 Apr 17, 2019

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Hi,

     Thank you for your reply.

     Can't do that using javascript?

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LEGEND ,
Apr 17, 2019 Apr 17, 2019

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No, use Preflight or also try Output Preview.

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Participant ,
Apr 17, 2019 Apr 17, 2019

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Ok thank you. 

Preflight or output preview is manual know. Not possible to automate using script?

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LEGEND ,
Apr 17, 2019 Apr 17, 2019

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The question "how many colours" is ambiguous, and may be variable. Often the answer is millions.

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Community Expert ,
Apr 17, 2019 Apr 17, 2019

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- You should use Convert Colors: there is a (ridiculously) small window in the upper right corner that gives you this info.

- Preflight allows the use of "Droplets", which is a kind of automation.

Doc-colors.jpg

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LEGEND ,
Apr 17, 2019 Apr 17, 2019

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What do you propose to do with your list of millions of colours, in unlimted colour spaces, in up to 11 colour space families?

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Community Expert ,
Apr 17, 2019 Apr 17, 2019

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In this typical case, when a graphist ask about "colors" he means color spaces (RBG…) and/or Inks (C+M+Y+K+spots colors).

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LEGEND ,
Apr 17, 2019 Apr 17, 2019

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When a graphics artist says that, they might mean all sort of things, but a programmer needs to define the task precisely.., or so it seems to me.

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Community Expert ,
Apr 17, 2019 Apr 17, 2019

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LATEST

In French we say: "Everyone sees noon at his door"

(Chacun voit midi à sa porte)

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