[cairo] svg_cairo_get_size problem

Carl Worth cworth at cworth.org
Fri Jun 24 11:23:00 PDT 2005

On Fri, 24 Jun 2005 14:02:57 -0400, Jason Dorje Short wrote:
> And one final comment.  Jim Ley on #svg pointed me to this paragraph
> from the CSS spec:

Right, that's why I had "'pixels'" in my original reply along with a
pointer to CSS.

> "Pixel units are relative to the resolution of the viewing device, i.e.,
> most often a computer display. If the pixel density of the output device
> is very different from that of a typical computer display, the user
> agent should rescale pixel values. It is recommended that the reference
> pixel be the visual angle of one pixel on a device with a pixel density
> of 90dpi and a distance from the reader of an arm's length. For a
> nominal arm's length of 28 inches, the visual angle is therefore about
> 0.0227 degrees."

Cool, there's the number 90 in a specification. That's quite

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