Re: [w3c/manifest] Add a 'masking' purpose, for allowing the UA to supercompose such icons (#657)

>From @mgiuca 

> This has become somewhat urgent since Chrome 69 seems to be upgrading to the Android O SDK and suddenly all the web app icons are going inside white circles (https://crbug.com/862041). It would be good if we can let web apps specify Adaptive icons soon.
>
>Do you think we can start with just the masking (not parallax) so the proposal basically just becomes:
>
>Introduce a new "purpose": "maskable" type of icon.
>* Give it semantics of: not supposed to have an alpha channel; define a "safe zone" (such as a circle of some radius around the center) of pixels that must be shown, and say that the user agent may mask off any other pixels outside of the safe zone.
>* Optional; a non-maskable icon is still mandatory. And it's completely optional for user agents to use the maskable icons.
>* No foreground/background. No "dead zone". Should be fairly straightforward. I think we can commit to implementing this in Chrome.

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Received on Tuesday, 10 July 2018 09:45:38 UTC