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LibWeb: Resolve and paint simple SVG masks

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This allows applying SVG <mask>s to elements. It is only implemented for
the simplest (and default) case:

	- mask-type = luminance
 	- maskContentUnits = maskContentUnits
 	- maskUnits = objectBoundingBox
	- Default masking area

It should be possible to extend to cover more cases. Though the layout
for maskContentUnits = objectBoundingBox will be tricky to figure out.
This commit is contained in:
MacDue 2023-09-10 14:10:55 +01:00 • committed by Andreas Kling
parent 650180811e
commit 909bcfe9a4
12 changed files with 123 additions and 17 deletions
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3
Userland/Libraries/LibWeb/Painting/SVGGraphicsPaintable.h
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@ -21,6 +21,9 @@ public:
virtual bool forms_unconnected_subtree() const override;
virtual Optional<CSSPixelRect> get_masking_area() const override;
virtual void apply_mask(PaintContext&, Gfx::Bitmap& target, CSSPixelRect const& masking_area) const override;
protected:
SVGGraphicsPaintable(Layout::SVGGraphicsBox const&);
};