Re: [boost] GUI coordinate units (Was: GUI foundations)

From: Joel de Guzman (joel_at_[hidden])
Date: 2005-10-09 18:24:59

Dave Harris wrote:
> In-Reply-To: <di20dn$2lh$1_at_[hidden]>
> joel_at_[hidden] (Joel de Guzman) wrote (abridged):
> 
>>Seriously, look at it the other way... most docs and layouts that
>>need accurate layouts (e.g CAD drawings) are in metric.
> 
> 
> I don't see this as an argument for metric, but as an argument for not 
> imposing any particular unit system on apps.
> 
> That said: currently output resolution is described in "dots per inch" - 
> in imperial units. For example, screens are 96dpi or 72dpi, and some 
> printers are 300dpi. Applications which naturally use metric have rounding 
> issues whatever they do; you can't help them. You can help imperial ones 
> by not forcing them to convert to metric as a spurious intermediate step.

Good point. Yes, I agree. Let's not impose any particular unit.

Cheers,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net