Hi Munira, Do you think this will require any changes to DevTools for debuggability? There's a checklist at https://goo.gle/devtools-checklist, where the key question is "how would a web developer making use of your new WPF test and debug their code?"
Best regards, Philip On Mon, Mar 20, 2023 at 10:14 AM Yoav Weiss <yoavwe...@chromium.org> wrote: > Thanks for working on less-blinky color transitions for fonts! :) > > On Mon, Mar 20, 2023 at 9:58 AM 'Munira Tursunova' via blink-dev < > blink-dev@chromium.org> wrote: > >> Contact emails >> >> moon...@google.com, dr...@google.com >> >> Explainer >> >> >> https://docs.google.com/document/d/1XMTrKH003KBOes6hxzI-3E7LTwp5YwFC-rnzoFpFrfw/edit?usp=sharing >> >> Specification >> >> Will be written as a part of the implementation. >> >> Summary >> >> The CSS font-palette property allows selection of a specific palette used >> to render a font. The CSS Fonts 4 spec defines the animation behavior of >> this property as discrete, which is insufficient to achieve a smooth >> transition between two selected palettes. Creating the smooth transition >> between the palettes is rather difficult to achieve if the property is not >> interpolatable, web authors would need to manually compute the value for >> each frame in order to achieve that. >> >> Blink component >> >> Blink>Fonts >> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EFonts> >> >> Motivation >> >> Color fonts have vastly improved typographic expressiveness on the web. >> They provide web authors with a variety of new features, like defining the >> palette of the font, that will allow them to style glyph appearance >> flexibly, on top of what’s pre-defined by the font. Currently the animation >> type of the font-palette property is discrete, meaning that there is no >> smooth transition between the different color values of the font. The only >> way to animate the font-palette property smoothly is by doing it manually, >> which is rather complicated: in order for animation to work, web authors >> need to retrieve information about color records from the font and compute >> font-palette values for each frame. >> >> Defining animation behavior for the CSS font-palette property solves this >> by enabling a declarative CSS way of achieving a smooth transition. This >> feature will provide web authors with an easy way to have a smooth >> transition between font-palette values. >> >> Initial public proposal >> >> We plan to raise this as an issue for the CSS Fonts spec in the CSS WG >> once we gain more insights from prototyping. >> >> Search tags >> >> font-palette <https://chromestatus.com/features#tags:font-palette>, >> animation <https://chromestatus.com/features#tags:animation>, transition >> <https://chromestatus.com/features#tags:transition>, font-palette-values >> <https://chromestatus.com/features#tags:font-palette-values>, color fonts >> <https://chromestatus.com/features#tags:color%20fonts> >> >> TAG review >> >> TAG review status >> >> Pending >> >> Risks >> >> Interoperability and Compatibility >> >> Gecko: No signal >> >> WebKit: No signal >> >> Probably positive, since they implemented color fonts, font-palette >> > > Let's not assume their position, but file to ask for it when the time is > right. > > >> >> Web developers: Positive >> >> Ollie Williams expressed his interest in this CSS Tricks post >> <https://css-tricks.com/colrv1-and-css-font-palette-web-typography/#:~:text=Another%20limitation%3A%20animations%20and%20transitions%20from%20one%20font%2Dpalette%20to%20another%20don%E2%80%99t%20interpolate%20%E2%80%94%20meaning%20you%20can%20switch%20instantly%20from%20one%20palette%20to%20another%2C%20but%20can%E2%80%99t%20gradually%20animate%20between%20them.%20My%20dream%20of%20a%20luridly%20animated%20emoji%20font%20is%20sadly%20unrealized>, >> describing it as a dream if that feature was real. >> >> Scott Kellum (of typetura.com) has also been suggesting it as a useful >> feature for the web (origin: a Twitter thread and email conversation, the >> original twitter post was deleted). >> >> Other signals: >> >> WebView application risks >> >> Does this intent deprecate or change behavior of existing APIs, such that >> it has potentially high risk for Android WebView-based applications? >> >> None expected >> >> >> Debuggability >> >> Is this feature fully tested by web-platform-tests >> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> >> ? >> >> Not yet, but tests will be written as part of the implementation. >> >> Flag name >> >> Requires code in //chrome? >> >> False >> >> Tracking bug >> >> https://bugs.chromium.org/p/chromium/issues/detail?id=1400620 >> >> Estimated milestones >> >> No milestones specified >> >> >> Link to entry on the Chrome Platform Status >> >> https://chromestatus.com/feature/5177171439517696 >> >> -- >> You received this message because you are subscribed to the Google Groups >> "blink-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to blink-dev+unsubscr...@chromium.org. >> To view this discussion on the web visit >> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAAO7W_DFvgY9yqz_Tr%2B2sHMwsydbWMQ66yZWwF7ZoxDZ2yE1QA%40mail.gmail.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAAO7W_DFvgY9yqz_Tr%2B2sHMwsydbWMQ66yZWwF7ZoxDZ2yE1QA%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to blink-dev+unsubscr...@chromium.org. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAL5BFfWc9aUFMhL1o3npvC%3D1LMK2SGeZiNyrH%3DA4CxdTJUwwcA%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAL5BFfWc9aUFMhL1o3npvC%3D1LMK2SGeZiNyrH%3DA4CxdTJUwwcA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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