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LibWeb: Store GradientStyleValue color-stop positions as StyleValues

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A few things fall out of this:
- We no longer need to templatize our color-stop list types.
- A bit more code is required to resolve gradient data.

This results in a slightly different rendering for a couple of the test
gradients, with a larger difference between macOS and Linux. I've
expanded the fuzziness factor to cover for it.
This commit is contained in:
Sam Atkins 2025-11-28 17:14:31 +00:00
parent 71397c876c
commit 73fbaaba77
Notes: github-actions[bot] 2025-12-01 11:10:16 +00:00
10 changed files with 103 additions and 85 deletions
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19
Libraries/LibWeb/CSS/StyleValues/AbstractImageStyleValue.cpp
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@ -16,4 +16,23 @@ GC::Ref<CSSStyleValue> AbstractImageStyleValue::reify(JS::Realm& realm, FlyStrin
return CSSImageValue::create(realm, *this);
}
void serialize_color_stop_list(StringBuilder& builder, Vector<ColorStopListElement> const& color_stop_list, SerializationMode mode)
{
bool first = true;
for (auto const& element : color_stop_list) {
if (!first)
builder.append(", "sv);
if (element.transition_hint.has_value())
builder.appendff("{}, "sv, element.transition_hint->value->to_string(mode));
builder.append(element.color_stop.color->to_string(mode));
if (element.color_stop.position)
builder.appendff(" {}"sv, element.color_stop.position->to_string(mode));
if (element.color_stop.second_position)
builder.appendff(" {}"sv, element.color_stop.second_position->to_string(mode));
first = false;
}
}
}