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[mediaqueries] Printing media queries - media color and ink saving

From: Henrik Andersson <henke@henke37.cjb.net>
Date: Sat, 07 Mar 2015 18:34:12 +0100
Message-ID: <54FB3694.3080007@henke37.cjb.net>
To: www-style@w3.org
I have been thinking about printing. I am no expert, I don't even have a
printer of my own, but there are some features that I think would make
sense as media queries.

The first one is being able to detect the color of the medium, the paper
color that is. Authors might want to adjust colors to suit the paper
color, especially with regards to printer limitations. To do this one
would need a query of some sort to check what the medium color is. This
is a troublesome value to check, it's a color. As far as I know, there
are no media queries using color values. Which leaves the problem of
figuring out how to do the matching.

The second feature is the one that inspired me to start this discussion.
Ink saving. My browser, SeaMonkey, allows disabling backgrounds when
printing. Obviously I as an author need to know about such a major
change to make the layout work correctly. The @supports system seems
like a good solution for this specific problem. But this makes me think,
is this not just a special case of a more generic idea? User agents may
want to perform various operations in order to save on ink. Is this
something worth being able to adjust the layout for?

Hoping to hear from some actual experts.
Received on Saturday, 7 March 2015 17:34:42 UTC

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