Behdad Esfahbod behdad at
Thu Apr 9 07:03:16 PDT 2009

On 04/09/2009 09:59 AM, Jim Gettys wrote:

> Note, however, that our concept of "size" of fonts is fundamentally
> broken: the physical size in pixels of some physical size is *very*
> seldom what you actually want; what you really want is the size of a
> font in terms of angle: the physical size at some distance.


> The viewer is at a very different distance depending on whether the
> application is on a PDA a foot from your eyes, several feet for a
> desktop, and across the room for a projector.

Just define DPI as "Dots Per Inch at an arm's length" and it becomes a very 
useful number again.

> As far as I'm concerned, this is unfinished business...



>                            - Jim

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