CSS Paged Media Module Level 3

[Surfoo]

Hello,

I just discovered the headless mode in Chrome, and I'm very interested because i'd like to replace phantomjs with this headless mode.

But I'm looking for some information about the full (or not) support of "CSS Paged Media Module Level 3" (https://www.w3.org/TR/css3-page/).

Do you know what is supported by Chrome/Chromium? For exemple, I can't custom the header/footer or use counter(page).

And what about of the full implementation of this module in the future?

Thank you,

Surfoo

[PhistucK]

According to caniuse.com/paged, it is supported. Do you expect it to work on the (headless) screen, or on a printed (PDF or actual) page?

☆PhistucK

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[Surfoo]

Hello,

I expect it to work on the headless screen to create a PDF file.

I tested only few css rules, but you can test with this example : https://pastebin.com/ygAjsN1L

and my command : google-chrome-stable --headless --disable-gpu --print-to-pdf http://localhost/test.html

margin and break-before seems to be ok, but :

size: A5 -> don't work, It's a A4 PDF with the content in a A5 box...

@top-center: content -> don't work. The header of each page are empty.

@bottom-center: counter -> don't work too.

Surfoo

☆PhistucK

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[PhistucK]

Is everything you need working in non-headless Chrome?

☆PhistucK

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[Surfoo]

Yes, it would be a good starting point!

☆PhistucK

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[Eric Seckler]

Page margin boxes aren't yet supported in chrome (neither headless nor desktop), see https://crbug.com/320370. Feel free to star the issue to voice your interest :)

Regarding the paper size, you can specify that in the DevTools command that --print-to-pdf relies on. By default, it uses letter size. You'll need to implement your own devtools client for this, see the headless readme or blog post for pointers.

[Hai-Nam Nguyen]

Le mercredi 28 juin 2017 09:44:14 UTC+2, PhistucK a écrit :

According to caniuse.com/paged, it is supported. Do you expect it to work on the (headless) screen, or on a printed (PDF or actual) page?

 

I think caniuse means the CSS Level 2 paged media support (https://www.w3.org/TR/CSS2/page.html), not the Level 3 as in https://www.w3.org/TR/css3-page/ or https://drafts.csswg.org/css-page-3/