InterpolationValue CSSClipInterpolationType::maybeConvertUnderlyingValue(
const InterpolationEnvironment& environment) const {
if (environment.state().style()->hasAutoClip())
return nullptr;
return createClipValue(environment.state().style()->clip(),
environment.state().style()->effectiveZoom());
}
InterpolationValue CSSClipInterpolationType::maybeConvertInherit(const StyleResolverState& state, ConversionCheckers& conversionCheckers) const
{
ClipAutos parentAutos = getClipAutos(*state.parentStyle());
conversionCheckers.append(ParentAutosChecker::create(parentAutos));
if (parentAutos.isAuto)
return nullptr;
return createClipValue(state.parentStyle()->clip(), state.parentStyle()->effectiveZoom());
}
InterpolationValue CSSClipInterpolationType::maybeConvertNeutral(const InterpolationValue& underlying, ConversionCheckers& conversionCheckers) const
{
ClipAutos underlyingAutos = UnderlyingAutosChecker::getUnderlyingAutos(underlying);
conversionCheckers.append(UnderlyingAutosChecker::create(underlyingAutos));
if (underlyingAutos.isAuto)
return nullptr;
LengthBox neutralBox(
underlyingAutos.isTopAuto ? Length(Auto) : Length(0, Fixed),
underlyingAutos.isRightAuto ? Length(Auto) : Length(0, Fixed),
underlyingAutos.isBottomAuto ? Length(Auto) : Length(0, Fixed),
underlyingAutos.isLeftAuto ? Length(Auto) : Length(0, Fixed));
return createClipValue(neutralBox, 1);
}
