LibWeb: Support translate3d

This commit is contained in:
Aliaksandr Kalenik 2022-10-28 02:46:27 +03:00 committed by Sam Atkins
parent f099e2aa12
commit e4db71c88b
4 changed files with 36 additions and 1 deletions

View file

@ -78,6 +78,7 @@ namespace Web::CSS {
generator.append(R"~~~(
enum class TransformFunctionParameterType {
Angle,
Length,
LengthPercentage,
Number,
};
@ -176,6 +177,8 @@ TransformFunctionMetadata transform_function_metadata(TransformFunction transfor
StringView parameter_type = ""sv;
if (parameter_type_name == "angle"sv)
parameter_type = "Angle"sv;
else if (parameter_type_name == "length"sv)
parameter_type = "Length"sv;
else if (parameter_type_name == "length-percentage"sv)
parameter_type = "LengthPercentage"sv;
else if (parameter_type_name == "number"sv)

View file

@ -5563,6 +5563,21 @@ RefPtr<StyleValue> Parser::parse_transform_value(Vector<ComponentValue> const& c
}
break;
}
case TransformFunctionParameterType::Length: {
if (maybe_calc_value && maybe_calc_value->resolves_to_length()) {
values.append(LengthStyleValue::create(Length::make_calculated(maybe_calc_value.release_nonnull())));
} else {
auto dimension_value = parse_dimension_value(value);
if (!dimension_value)
return nullptr;
if (dimension_value->is_length())
values.append(dimension_value.release_nonnull());
else
return nullptr;
}
break;
}
case TransformFunctionParameterType::LengthPercentage: {
if (maybe_calc_value && maybe_calc_value->resolves_to_length()) {
values.append(LengthStyleValue::create(Length::make_calculated(maybe_calc_value.release_nonnull())));

View file

@ -35,6 +35,13 @@
{ "type": "<length-percentage>", "required": false }
]
},
"translate3d": {
"parameters": [
{ "type": "<length-percentage>", "required": true },
{ "type": "<length-percentage>", "required": true },
{ "type": "<length>", "required": true }
]
},
"translateX": {
"parameters": [{ "type": "<length-percentage>", "required": true }]
},

View file

@ -209,7 +209,11 @@ Gfx::FloatMatrix4x4 StackingContext::get_transformation_matrix(CSS::Transformati
auto value = [this, transformation](size_t index, Optional<CSS::Length const&> reference_length = {}) -> float {
return transformation.values[index].visit(
[this, reference_length](CSS::LengthPercentage const& value) {
return value.resolved(m_box, reference_length.value()).to_px(m_box);
if (reference_length.has_value()) {
return value.resolved(m_box, reference_length.value()).to_px(m_box);
}
return value.length().to_px(m_box);
},
[](CSS::Angle const& value) {
return value.to_degrees() * static_cast<float>(M_DEG2RAD);
@ -250,6 +254,12 @@ Gfx::FloatMatrix4x4 StackingContext::get_transformation_matrix(CSS::Transformati
0, 0, 1, 0,
0, 0, 0, 1);
break;
case CSS::TransformFunction::Translate3d:
return Gfx::FloatMatrix4x4(1, 0, 0, value(0, width),
0, 1, 0, value(1, height),
0, 0, 1, value(2),
0, 0, 0, 1);
break;
case CSS::TransformFunction::TranslateX:
if (count == 1)
return Gfx::FloatMatrix4x4(1, 0, 0, value(0, width),