ISSUE-1: px units

px units

State:
CLOSED
Product:
CSS2.1
Raised by:
Elika Etemad
Opened on:
2008-03-22
Description:
It seems to be an unwritten assumption, that CSS 'px' units should map to
a whole number of device pixels. E.g. the examples in the spec all assume
rounding to a whole number of device pixels. But there is no normative
text that suggests this interpretation.

Proposed change:

Replace
"the user agent should rescale pixel values"
with
"the user agent should rescale pixel units to a different whole number
of device pixels"

OR

Insert before
"It is recommended that the reference pixel be..."
the sentence
"It is recommended that the pixel unit refer to the whole number of
device pixels that best approximates the reference pixel."
Related Actions Items:
Related emails:
  1. Agenda request CR for CSS Masking 1 (from dschulze@adobe.com on 2014-06-23)
  2. [CSSWG] Minutes Paris F2F 2013-09-13 Fri I: CSS Masking, Display Tree or DOM, Flexbox (from daelcss@gmail.com on 2013-09-30)
  3. [CSSWG] Minutes Tucson F2F 2013-02-14 Tue AM I: Paged Media 4, Flexbox (from fantasai.lists@inkedblade.net on 2013-02-14)
  4. Re: [css3-speech] status (from daniel.glazman@disruptive-innovations.com on 2011-12-04)
  5. Re: [css3-speech] status (from daniel.weck@gmail.com on 2011-12-04)
  6. [CSSWG] Minutes and Resolutions Telecon 2011-11-30 (from fantasai.lists@inkedblade.net on 2011-11-30)
  7. Re: [css3-speech] status (from daniel.weck@gmail.com on 2011-11-30)
  8. Minutes, 22 November FX taskforce call (from chris@w3.org on 2010-11-22)
  9. [CSSWG] Minutes and Resolutions 2008-04-09 (from fantasai.lists@inkedblade.net on 2008-04-10)
  10. RE: [CSS21] [css3-values] px and device pixels (from alexmog@exchange.microsoft.com on 2008-03-25)
  11. ISSUE-1: [CSS2.1] (from sysbot+tracker@w3.org on 2008-03-22)
  12. Re: [CSS21] [css3-values] px and device pixels (from fantasai.lists@inkedblade.net on 2008-03-21)

Related notes:

Second proposal accepted 2008-04-09

Elika Etemad, 16 Apr 2008, 01:00:06

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Peter Linss <peter.linss@hp.com>, Daniel Glazman <daniel.glazman@disruptive-innovations.com>, Chairs, Chris Lilley <chris@w3.org>, Bert Bos <bert@w3.org>, Staff Contacts
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