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Re: [csswg-drafts] [css-fonts] Proposal to extend CSS font-optical-sizing (#4430)

From: John Hudson via GitHub <sysbot+gh@w3.org>
Date: Wed, 17 Jun 2020 03:17:49 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-645122385-1592363868-sysbot+gh@w3.org>
Thanks for the insights, Eben. I'm working on some draft wording for a clarified opsz axis specification that makes clearer how to implement it, and may also provide some suggestions for how type designers can approach size-specific design with an eye to interoperability. The trouble with using screen as a base for the latter is that there are too many variables that can have a significant effect on physical size across devices and platforms. So while we all spend time testing our fonts on screen, we need a common target for size-specific design that has fewer variables, which implies e.g. a common or minimum resolution, a reference distance, and a physical scale unit. My intent is to be able to provide a solid base for implementors to make opsz instance selection based on all the available information in any given circumstances — which could ideally include nominal size on platform, device, resolution, and distance — which means among other things having a presumed distance targeted by design. I think it's probably something like print at 16 inches, but am talking with colleagues to see what distance or distance range people are actually using.

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Received on Wednesday, 17 June 2020 03:17:51 UTC

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