internal CssValue Derive_ComputedValue(ICssProperty Property)
{/* Docs: https://www.w3.org/TR/css-cascade-3/#computed */
StyleDefinition Def = Property.Definition;
// Resolve any relative values
switch (Type)
{
case ECssValueTypes.INHERIT: // Docs: https://www.w3.org/TR/CSS2/cascade.html#value-def-inherit
{
return(Property.Find_Inherited_Value());
}
case ECssValueTypes.PERCENT:
{
if (Def.Percentage_Resolver != null)
{
return(Def.Percentage_Resolver(Property, (double)value));
}
}
break;
case ECssValueTypes.DIMENSION:
{
double nv = Resolve(Property.Owner.ownerDocument.cssUnitResolver);
return(CssValue.From(nv));
}
}
// If we havent resolved a value yet that means this was meant to be handled by a custom handler
var ResolutionDelegate = Def.PropertyStageResolver[(int)EPropertyStage.Computed];
if (ResolutionDelegate is object)
{
return((CssValue)ResolutionDelegate.Invoke(Property));
}
return(this);
}
