InterpolationComponent CSSLengthInterpolationType::maybeConvertCSSValue(const CSSValue& value)
{
    if (!value.isPrimitiveValue())
        return nullptr;

    const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);

    CSSLengthArray valueArray;
    for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; i++)
        valueArray.append(0);
    bool hasPercentage = false;

    if (!primitiveValue.isLength() && !primitiveValue.isPercentage() && !primitiveValue.isCalculatedPercentageWithLength())
        return nullptr;
    CSSLengthTypeArray hasType;
    hasType.ensureSize(CSSPrimitiveValue::LengthUnitTypeCount);
    primitiveValue.accumulateLengthArray(valueArray, hasType);
    hasPercentage = hasType.get(CSSPrimitiveValue::UnitTypePercentage);

    OwnPtr<InterpolableList> values = InterpolableList::create(CSSPrimitiveValue::LengthUnitTypeCount);
    for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; i++)
        values->set(i, InterpolableNumber::create(valueArray.at(i)));

    return InterpolationComponent(values.release(), CSSLengthNonInterpolableValue::create(hasPercentage));
}
Exemplo n.º 2
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PassOwnPtr<InterpolableValue> LengthStyleInterpolation::lengthToInterpolableValue(CSSValue* value)
{
    OwnPtr<InterpolableList> result = InterpolableList::create(CSSPrimitiveValue::LengthUnitTypeCount);
    CSSPrimitiveValue* primitive = toCSSPrimitiveValue(value);

    CSSLengthArray array;
    for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; i++)
        array.append(0);
    primitive->accumulateLengthArray(array);

    for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; i++)
        result->set(i, InterpolableNumber::create(array.at(i)));

    return result.release();
}