API REVIEW REQUEST: Public API for Backgrounds and Borders on Region

[David Grieve]

On Aug 27, 2012, at 10:25 AM, Richard Bair wrote:

> 
> On Aug 26, 2012, at 11:07 PM, Tom Schindl wrote:
> 
>> Am 26.08.12 23:12, schrieb Jonathan Giles:
>> 
>> Why not name if getTopLeftVerticalRadiusType() and return there an enum?
>> I guess there are more values who can have an absolute and percentage
>> value so they'd all use the same enum.
> 
> I think it would only be a two-valued enum, in which case what advantage does it have over a boolean? I believe that besides percentage, all other CSS values are reduced to an actual literal value in the end. Even "em" based computations are done by the CSS engine at the time that the value is looked up in the CSS engine.
> 

em and percent based computations are done at the time the value is applied (which is likely what you are saying). Some computations have to be carried out on the SG side if that computation depends on the actual size of the Node. Background image position is one such computation that comes to mind. BorderRadii is in this category as well if an "as percentage" value is a percentage of the width or height of the Node. This is not clear from the javadoc.



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