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LibWeb: Convert stroke-width to LengthPercentage

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This is a guinea pig. So far so good?
This commit is contained in:
Sam Atkins 2022-01-14 16:52:14 +00:00 • committed by Andreas Kling
parent 69878cde3e
commit a26cec3805
2 changed files with 9 additions and 5 deletions
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6
Userland/Libraries/LibWeb/CSS/ComputedValues.h
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@ -135,7 +135,7 @@ public:
Optional<Color> fill() const { return m_inherited.fill; } Optional<Color> fill() const { return m_inherited.fill; }
Optional<Color> stroke() const { return m_inherited.stroke; } Optional<Color> stroke() const { return m_inherited.stroke; }
Optional<Length> const& stroke_width() const { return m_inherited.stroke_width; } Optional<LengthPercentage> const& stroke_width() const { return m_inherited.stroke_width; }
Vector<CSS::Transformation> transformations() const { return m_noninherited.transformations; } Vector<CSS::Transformation> transformations() const { return m_noninherited.transformations; }
@ -158,7 +158,7 @@ protected:
Optional<Color> fill; Optional<Color> fill;
Optional<Color> stroke; Optional<Color> stroke;
Optional<Length> stroke_width; Optional<LengthPercentage> stroke_width;
} m_inherited; } m_inherited;
struct { struct {
@ -256,7 +256,7 @@ public:
void set_fill(Color value) { m_inherited.fill = value; } void set_fill(Color value) { m_inherited.fill = value; }
void set_stroke(Color value) { m_inherited.stroke = value; } void set_stroke(Color value) { m_inherited.stroke = value; }
void set_stroke_width(Length value) { m_inherited.stroke_width = value; } void set_stroke_width(LengthPercentage value) { m_inherited.stroke_width = value; }
}; };
} }

8
Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp
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@ -59,8 +59,12 @@ Optional<float> SVGGraphicsElement::stroke_width() const
return {}; return {};
// FIXME: Converting to pixels isn't really correct - values should be in "user units" // FIXME: Converting to pixels isn't really correct - values should be in "user units"
// https://svgwg.org/svg2-draft/coords.html#TermUserUnits // https://svgwg.org/svg2-draft/coords.html#TermUserUnits
if (auto width = layout_node()->computed_values().stroke_width(); width.has_value()) if (auto width = layout_node()->computed_values().stroke_width(); width.has_value()) {
return width->to_px(*layout_node()); // Resolved relative to the "Scaled viewport size": https://www.w3.org/TR/2017/WD-fill-stroke-3-20170413/#scaled-viewport-size
// FIXME: This isn't right, but it's something.
auto scaled_viewport_size = CSS::Length::make_px((client_width() + client_height()) * 0.5f);
return width->resolved(scaled_viewport_size).to_px(*layout_node());
}
return {}; return {};
} }