On 16 aug. 2013, at 19:18, Kyle Sluder wrote:

> [bringing this back on-list]
> 
> On Aug 16, 2013, at 1:10 PM, Izak van Langevelde <eezac...@xs4all.nl> wrote:
> 
>> Dear Kyle,
>> 
>> On 16 aug. 2013, at 18:38, Kyle Sluder wrote:
>> 
>> What I am looking for is the algorithm that determines a layout based on a 
>> set of constraints.
> 
> As I mentioned, it converts all the constraints in your window into linear 
> equations and feeds them to a constraint solver. This solver produces frames 
> for all views in the window.
> 
> As Ken Ferry described in his Auto Layout session at WWDC 2011, the specific 
> solver used by Apple is based on the Cassowary constraint engine.
> 
> So asking for the "algorithm" isn't really that helpful, because Auto Layout 
> is not defined or implemented imperatively. There's an algorithm involved, 
> but that algorithm is a general-purpose constraint solver that operates on 
> linear equations. Strictly speaking it has nothing to do with views.

That is good enough for me, I'll take a look at it.

Thanks,
Izak

---
Grinnikend door het leven...


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