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LibWeb: Add for CSS fill/stroke/stroke-color properties for SVG

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In the spec, `fill` and `stroke` are supposed to be a shorthands for
various properties. But since the spec is still a working draft, and
neither Firefox or Chrome support the `fill-color` or `stroke-color`
properties, we'll stick with `fill` and `stroke` as simple colors for
now.

Also, note that SVG expects things in "user units", and we are assuming
that 1px = 1 user unit for now.
This commit is contained in:
Sam Atkins 2021-09-16 12:28:14 +01:00 • committed by Andreas Kling
parent 2c8c56684b
commit 3964b81d2b
5 changed files with 75 additions and 5 deletions
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13
Userland/Libraries/LibWeb/Layout/Node.cpp
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@ -360,6 +360,19 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& specified_style)
do_border_style(computed_values.border_top(), CSS::PropertyID::BorderTopWidth, CSS::PropertyID::BorderTopColor, CSS::PropertyID::BorderTopStyle);
do_border_style(computed_values.border_right(), CSS::PropertyID::BorderRightWidth, CSS::PropertyID::BorderRightColor, CSS::PropertyID::BorderRightStyle);
do_border_style(computed_values.border_bottom(), CSS::PropertyID::BorderBottomWidth, CSS::PropertyID::BorderBottomColor, CSS::PropertyID::BorderBottomStyle);
if (auto fill = specified_style.property(CSS::PropertyID::Fill); fill.has_value())
computed_values.set_fill(fill.value()->to_color(document()));
if (auto stroke = specified_style.property(CSS::PropertyID::Stroke); stroke.has_value())
computed_values.set_stroke(stroke.value()->to_color(document()));
if (auto stroke_width = specified_style.property(CSS::PropertyID::StrokeWidth); stroke_width.has_value()) {
// FIXME: Converting to pixels isn't really correct - values should be in "user units"
// https://svgwg.org/svg2-draft/coords.html#TermUserUnits
if (stroke_width.value()->is_numeric())
computed_values.set_stroke_width(CSS::Length::make_px(static_cast<CSS::NumericStyleValue const&>(*stroke_width.value()).value()));
else
computed_values.set_stroke_width(stroke_width.value()->to_length());
}
}
void Node::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned, unsigned)