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LibWeb: Use width & height to create fallback viewBox for SVG-as-image

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When embedding an SVG in an img element, if the external SVG's root
element has both width and height attributes, but no viewBox attribute,
we now create a fallback viewBox with "0 0 width height".

This appears to match the behavior of other browsers. Inspired by
discussion on Mozilla's bug tracker:
https://bugzilla.mozilla.org/show_bug.cgi?id=614649
This commit is contained in:
Andreas Kling 2023-06-20 09:39:14 +02:00
parent a0b4987e92
commit 9f24c1b34c
6 changed files with 66 additions and 2 deletions
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8
Tests/LibWeb/Layout/expected/svg/svg-as-image-implicit-viewbox.txt Normal file
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Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x116 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x100 children: not-inline
ImageBox <img> at (8,8) content-size 50x100 children: not-inline
(SVG-as-image isolated context)
Viewport <#document> at (0,0) content-size 50x100 children: inline
SVGSVGBox <svg> at (0,0) content-size 50x100 [SVG] children: not-inline
SVGGeometryBox <rect> at (0,0) content-size 50x100 children: not-inline