LGTM1

On Wednesday, March 26, 2025 at 10:55:35 AM UTC-4 vinay...@microsoft.com 
wrote:

> Yes, createSVGPoint() will still work.
> We have a WPT as well to ensure it.
>
> https://wpt.fyi/results/svg/types/scripted/SVGGeometryElement.isPointInStroke-02.svg
>
> Thanks,
> Vinay
> ------------------------------
> *From:* TAMURA, Kent <tk...@chromium.org>
> *Sent:* Wednesday, March 26, 2025 05:20 AM
> *To:* Vinay Singh <vinaysi...@microsoft.com>; blink-dev@chromium.org <
> blink-dev@chromium.org>
> *Cc:* Chromestatus <ad...@cr-status.appspotmail.com>
> *Subject:* [EXTERNAL] Re: [blink-dev] Intent to Ship: Use DOMPointInit 
> for getCharNumAtPosition, isPointInFill, isPointInStroke 
>  
> You don't often get email from tk...@chromium.org. Learn why this is 
> important <https://aka.ms/LearnAboutSenderIdentification> 
>
>
> On Wed, Mar 26, 2025 at 2:59 AM Chromestatus <
> ad...@cr-status.appspotmail.com> wrote:
>
> Contact emails vinaysi...@microsoft.com 
>
> Explainer None 
>
> Specification https://svgwg.org/svg2-draft 
>
> Summary 
>
> This change brings Chromium code in line with the latest W3C spec for 
> SVGGeometryElement and SVGPathElement in terms of usage of DOMPointInit 
> over SVGPoint for getCharNumAtPosition, isPointInFill, isPointInStroke. The 
> change has already landed: 
> https://chromium-review.googlesource.com/c/chromium/src/+/6284886 Firefox 
> and Safari already have this live making this a fairly safe change to land. 
> Details for both added under Signals for both.
>
>
> Blink component Blink>SVG 
> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ESVG%22> 
>
> TAG review None 
>
> TAG review status Not applicable 
>
> Risks 
>
>
> Interoperability and Compatibility 
>
> This is already implemented in Firefox and Safari with no reported open 
> issues. Moreover, DOMPointInit is a superset of SVGPoint, but the extra 
> params do have default values to support backward compatibility. We have 
> however introduced some checks on Nan/Infinite values but those are 
> exclusively to handle invalid requests to these APIs, say trying to access 
> points at (Infinity, Nan) - (x,y) coordinate. And even then, we simply 
> return back with a default value instead of throwing back an exception.
>
>
> Will code using createSVGPoint() still work after the change?
>  
>
>
>
> *Gecko*: Shipped/Shipping (
> https://developer.mozilla.org/en-US/docs/Web/API/SVGGeometryElement/isPointInFill)
>  
> Firefox uses DOMPointInit already in the corresponding API: 
> https://developer.mozilla.org/en-US/docs/Web/API/SVGGeometryElement/isPointInFill
>  
> Also, WPT has been passing for Firefox indicating that they have 
> implemented this already: 
> https://wpt.fyi/results/svg/types/scripted/SVGGeometryElement.isPointInFill-01.svg
>  
>
> *WebKit*: Shipped/Shipping (
> https://github.com/WebKit/WebKit/commit/7589919c57641e1e3dac86872171d4d681e3f2d0)
>  
> Webkit (Safari) already uses DOMPointInit in these APIs. Here is the commit 
> link for one of the APIs: 
> https://github.com/WebKit/WebKit/commit/7589919c57641e1e3dac86872171d4d681e3f2d0
>  
> Also, WPT has been passing for Safari indicating that they have implemented 
> this already: 
> https://wpt.fyi/results/svg/types/scripted/SVGGeometryElement.isPointInFill-01.svg
>  
>
> *Web developers*: No signals 
>
> *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
>
>
> Debuggability 
>
> The SVGTextContentElement interface in JavaScript is implemented by 
> elements that support rendering child text content. This interface is 
> inherited by various text-related interfaces, such as SVGTextElement, 
> SVGTSpanElement, SVGTRefElement, and SVGTextPathElement. Any of the above 
> elements can be used to access and test APIs in SVGTextContentElement 
> interface. For SVGGeometryElement, it is implemented by Geometry elements 
> like SVGRectElement and SVGCircleElement. Objects of these classes can be 
> used to access and test APIs in SVGGeometryElement interface.
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac, 
> Linux, ChromeOS, Android, and Android WebView)? Yes 
>
> Is this feature fully tested by web-platform-tests 
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ? Yes 
>
> * 
> https://wpt.fyi/results/svg/types/scripted/SVGAnimatedEnumeration-SVGTextContentElement.html
>  
> * 
> https://wpt.fyi/results/svg/types/scripted/SVGGeometryElement.isPointInFill-01.svg
>
>
> Flag name on about://flags None 
>
> Finch feature name None 
>
> Non-finch justification 
>
> This is a simple spec catch up in Chromium which is already implemented in 
> Firefox and Safari. Also, this change cannot be put behind a feature flag 
> since it is a change in method/API signature. However, Firefox and Safari 
> already have this live making this a fairly safe change to land. Details 
> for both added under Signals for both.
>
>
> Requires code in //chrome? False 
>
> Tracking bug https://issues.chromium.org/issues/40572887 
>
> Estimated milestones 
> Shipping on desktop 136 
> Shipping on Android 136 
> Shipping on iOS 136 
>
> Anticipated spec changes 
>
> Open questions about a feature may be a source of future web compat or 
> interop issues. Please list open issues (e.g. links to known github issues 
> in the project for the feature specification) whose resolution may 
> introduce web compat/interop risk (e.g., changing to naming or structure of 
> the API in a non-backward-compatible way).
> None 
>
> Link to entry on the Chrome Platform Status 
> https://chromestatus.com/feature/5203869052960768?gate=5197116357738496 
>
> This intent message was generated by Chrome Platform Status 
> <https://chromestatus.com/>. 
>
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>  
> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67e2ef0b.170a0220.2e951e.01ad.GAE%40google.com?utm_medium=email&utm_source=footer>
> .
>
>
>
> -- 
> TAMURA Kent 
> Software Engineer, Google 
>
>
>

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