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LibWeb: Support relative lengths within easing function calc()s

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Callum Law 2025-10-11 15:09:11 +13:00 • committed by Sam Atkins
commit 755a576013
Notes: github-actions[bot] 2025-10-20 10:29:08 +00:00
6 changed files with 63 additions and 47 deletions
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30
Libraries/LibWeb/CSS/StyleValues/EasingStyleValue.cpp
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@ -27,37 +27,37 @@ EasingStyleValue::Linear EasingStyleValue::Linear::identity()
EasingStyleValue::CubicBezier EasingStyleValue::CubicBezier::ease()
{
static CubicBezier bezier { 0.25, 0.1, 0.25, 1.0 };
static CubicBezier bezier { NumberStyleValue::create(0.25), NumberStyleValue::create(0.1), NumberStyleValue::create(0.25), NumberStyleValue::create(1.0) };
return bezier;
}
EasingStyleValue::CubicBezier EasingStyleValue::CubicBezier::ease_in()
{
static CubicBezier bezier { 0.42, 0.0, 1.0, 1.0 };
static CubicBezier bezier { NumberStyleValue::create(0.42), NumberStyleValue::create(0.0), NumberStyleValue::create(1.0), NumberStyleValue::create(1.0) };
return bezier;
}
EasingStyleValue::CubicBezier EasingStyleValue::CubicBezier::ease_out()
{
static CubicBezier bezier { 0.0, 0.0, 0.58, 1.0 };
static CubicBezier bezier { NumberStyleValue::create(0.0), NumberStyleValue::create(0.0), NumberStyleValue::create(0.58), NumberStyleValue::create(1.0) };
return bezier;
}
EasingStyleValue::CubicBezier EasingStyleValue::CubicBezier::ease_in_out()
{
static CubicBezier bezier { 0.42, 0.0, 0.58, 1.0 };
static CubicBezier bezier { NumberStyleValue::create(0.42), NumberStyleValue::create(0.0), NumberStyleValue::create(0.58), NumberStyleValue::create(1.0) };
return bezier;
}
EasingStyleValue::Steps EasingStyleValue::Steps::step_start()
{
static Steps steps { 1, StepPosition::Start };
static Steps steps { IntegerStyleValue::create(1), StepPosition::Start };
return steps;
}
EasingStyleValue::Steps EasingStyleValue::Steps::step_end()
{
static Steps steps { 1, StepPosition::End };
static Steps steps { IntegerStyleValue::create(1), StepPosition::End };
return steps;
}
@ -116,7 +116,7 @@ String EasingStyleValue::CubicBezier::to_string(SerializationMode mode) const
} else if (*this == CubicBezier::ease_in_out()) {
builder.append("ease-in-out"sv);
} else {
builder.appendff("cubic-bezier({}, {}, {}, {})", x1.to_string(mode), y1.to_string(mode), x2.to_string(mode), y2.to_string(mode));
builder.appendff("cubic-bezier({}, {}, {}, {})", x1->to_string(mode), y1->to_string(mode), x2->to_string(mode), y2->to_string(mode));
}
return MUST(builder.to_string());
}
@ -138,9 +138,9 @@ String EasingStyleValue::Steps::to_string(SerializationMode mode) const
return CSS::to_string(this->position);
}();
if (position.has_value()) {
builder.appendff("steps({}, {})", number_of_intervals.to_string(mode), position.value());
builder.appendff("steps({}, {})", number_of_intervals->to_string(mode), position.value());
} else {
builder.appendff("steps({})", number_of_intervals.to_string(mode));
builder.appendff("steps({})", number_of_intervals->to_string(mode));
}
}
return MUST(builder.to_string());
@ -172,10 +172,18 @@ ValueComparingNonnullRefPtr<StyleValue const> EasingStyleValue::absolutized(Comp
return Linear { absolutized_stops };
},
[&](CubicBezier const& cubic_bezier) -> Function {
return cubic_bezier;
return CubicBezier {
cubic_bezier.x1->absolutized(computation_context),
cubic_bezier.y1->absolutized(computation_context),
cubic_bezier.x2->absolutized(computation_context),
cubic_bezier.y2->absolutized(computation_context)
};
},
[&](Steps const& steps) -> Function {
return steps;
return Steps {
steps.number_of_intervals->absolutized(computation_context),
steps.position
};
});
return EasingStyleValue::create(absolutized_function);