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Re: [csswg-drafts] [css-transforms-1] Define basis for percentage transform on patterns, gradients, clipPath

From: CSS Meeting Bot via GitHub <sysbot+gh@w3.org>
Date: Mon, 04 Jun 2018 18:48:04 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-394458904-1528138083-sysbot+gh@w3.org>
The Working Group just discussed `Define basis for percentage transform on patterns, gradients, clipPath`.

<details><summary>The full IRC log of that discussion</summary>
&lt;BogdanBrinza> topic: Define basis for percentage transform on patterns, gradients, clipPath<br>
&lt;BogdanBrinza> GitHub: https://github.com/w3c/csswg-drafts/issues/892<br>
&lt;chris> dirk: introduced transform box, as it is different in html and svg. Problem with resource elements<br>
&lt;chris> ... not clear what the reference box should be<br>
&lt;chris> ... already have this in SVG 1.1, patternUnits, clipPathUnits<br>
&lt;chris> ... indirect referene box, x y etc resolve relative to that<br>
&lt;chris> ... suggest using same reference box for the transforms esp percentage values<br>
&lt;chris> ... easiest and most straightforward way<br>
&lt;chris> AmeliaBR: reviewed before call, most sensible approach. No easy way to do transform box.<br>
&lt;chris> ... what Dirk prooposes is consistent with how gradient transform is implemented everywhere. pattern transform needs better interop, so good guidance. And also for clipPath and mask<br>
&lt;chris> ... consistent where we have web compat<br>
&lt;chris> dirk: not clearly defined that it also defines the reference box, spec needs to be clearer<br>
&lt;chris> AmeliaBR: yes we need spec text<br>
&lt;chris> ... in clipping and masking and svg2<br>
&lt;chris> tav: and test cases<br>
&lt;chris> (general agreement)<br>
&lt;chris> resolved: use indirectly defined reference boxes for transforms on resource elements. transform box does not apply to graphics elements.<br>
&lt;chris> dirk: I will do the spec work<br>
&lt;chris> AmeliaBR: we need tests, they will need to be manual tests as affect rendering<br>
&lt;chris> dirk: we have some tests for clippath but not with transforms or percentage units<br>
&lt;chris> dirk: 3 more issues on tranform spec, need to be discussed by css wg. then will republish<br>
&lt;chris> ... want wider review<br>
&lt;chris> s/tranf/transf/<br>

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Received on Monday, 4 June 2018 18:48:07 UTC

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