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LibWeb: Do not crash when svg mask calculation failed

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Currently `calculate_mask()` fails to create bitmap when
`maskContentUnits="objectBoundingBox"` is present.

Fixes https://github.com/SerenityOS/serenity/issues/22316
This commit is contained in:
Aliaksandr Kalenik 2023-12-16 18:54:50 +01:00 • committed by Andreas Kling
parent 4c81414b14
commit 2753075830
3 changed files with 39 additions and 5 deletions
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23
Tests/LibWeb/Layout/expected/svg/objectBoundingBox-mask.txt Normal file
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@ -0,0 +1,23 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x216 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x200 children: inline
line 0 width: 200, height: 200, bottom: 200, baseline: 200
frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 200x200]
SVGSVGBox <svg> at (8,8) content-size 200x200 [SVG] children: inline
TextNode <#text>
SVGGraphicsBox <mask#myMask> at (8,8) content-size 1x1 children: inline
TextNode <#text>
SVGGeometryBox <rect> at (8,8) content-size 1x1 children: not-inline
TextNode <#text>
SVGGeometryBox <circle> at (8.09375,8.09375) content-size 0.796875x0.796875 children: not-inline
TextNode <#text>
TextNode <#text>
SVGGeometryBox <rect> at (8,8) content-size 200x200 children: not-inline
TextNode <#text>
TextNode <#text>
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x216]
PaintableWithLines (BlockContainer<BODY>) [8,8 784x200]
SVGSVGPaintable (SVGSVGBox<svg>) [8,8 200x200]
SVGPathPaintable (SVGGeometryBox<rect>) [8,8 200x200]