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

The word “usefully” is probably not helpful. I’m referring to the issue where a UI developer, making use of an API that defines font size in “points”, is encouraged not to worry about the scale factor between these OS points and physical points. This scale factor (i.e. what is considered “100%”) changes depending on the device: an Apple Watch will display “12 point” text smaller than iPhones, while iPhones use various scale factors according to screen size & pixel rounding, and iPads and Macs use a range of larger scale factors, some of them almost 1.0. The ideal for the UI developer is to use “12 point text” on menus in apps for all of them. My point was this scale factor is not currently a concern of the OpenType specification.

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Received on Wednesday, 26 August 2020 14:41:50 UTC