[Webkit-unassigned] [Bug 46775] getBoundingClientRect does not work with SVG <text>

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=46775





--- Comment #2 from Cosmin Truta <ctruta at chromium.org>  2010-09-30 17:09:28 PST ---
Two of the methods offered by SVGStyledLocatableElement, namely getBBox and getCTM, are being missed when processing <svg:text>.
(See Element::getBoundingClientRect and SVGLocatable::getTransformToElement.)

This is happening in spite of the fact that SVGTextElement implements all methods from SVGStyledLocatableElement, exactly the same way.

Would it be a sound design decision to add SVGStyledLocatableElement to the list of parents of SVGTextElement, i.e. to make SVGTextElement itself StyledLocatable?
Or, is there a specific reason why SVGTextElement is _not_ StyledLocatable?

The only technicality that could possibly prevent this modification, is that SVGStyledElement would appear twice in the list of parents of SVGTextElement. I wonder whether SVGStyledElement could be repositioned within the list of ancestors, or be made a virtual parent to SVGStyledLocatableElement.

I suppose I could check separately for SVGStyledLocatableElement and SVGTextElement inside Element::getBoundingClientRect, in order to fix this issue, but I am not so sure this easy solution is also the most elegant. And shouldn't the same thing be done inside SVGLocatable::getTransformToElement?

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