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LibWeb/SVG: Support url() in the stroke attribute

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This allows you to draw gradients in strokes, for example.
This commit is contained in:
Luke Wilde
2023-06-06 20:40:10 +01:00
committed by Andreas Kling
parent 8993a710f8
commit 42a183720b
8 changed files with 51 additions and 12 deletions
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23
Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp
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@@ -40,15 +40,12 @@ void SVGGraphicsElement::parse_attribute(DeprecatedFlyString const& name, Deprec
}
}
Optional<Gfx::PaintStyle const&> SVGGraphicsElement::fill_paint_style(SVGPaintContext const& paint_context) const
Optional<Gfx::PaintStyle const&> SVGGraphicsElement::svg_paint_computed_value_to_gfx_paint_style(SVGPaintContext const& paint_context, Optional<CSS::SVGPaint> const& paint_value) const
{
// FIXME: This entire function is an ad-hoc hack:
if (!layout_node())
if (!paint_value.has_value() || !paint_value->is_url())
return {};
auto& fill = layout_node()->computed_values().fill();
if (!fill.has_value() || !fill->is_url())
return {};
auto& url = fill->as_url();
auto& url = paint_value->as_url();
auto gradient = document().get_element_by_id(url.fragment());
if (!gradient)
return {};
@@ -57,6 +54,20 @@ Optional<Gfx::PaintStyle const&> SVGGraphicsElement::fill_paint_style(SVGPaintCo
return {};
}
Optional<Gfx::PaintStyle const&> SVGGraphicsElement::fill_paint_style(SVGPaintContext const& paint_context) const
{
if (!layout_node())
return {};
return svg_paint_computed_value_to_gfx_paint_style(paint_context, layout_node()->computed_values().fill());
}
Optional<Gfx::PaintStyle const&> SVGGraphicsElement::stroke_paint_style(SVGPaintContext const& paint_context) const
{
if (!layout_node())
return {};
return svg_paint_computed_value_to_gfx_paint_style(paint_context, layout_node()->computed_values().stroke());
}
Gfx::AffineTransform transform_from_transform_list(ReadonlySpan<Transform> transform_list)
{
Gfx::AffineTransform affine_transform;