Is that metrics for the layout rectangles or the pixels?
Avi
On Tue, Sep 8, 2009 at 2:57 PM, Evan Martin <e...@chromium.org> wrote:
> On Tue, Sep 8, 2009 at 11:51 AM, Mark Mentovai<m...@chromium.org> wrote:
> > Avi Drissman wrote:
> >> Screw #2: The actual scrollbar is drawn just a wee bit shorter. Cocoa
> sizes
> >> scrollbar thumbs with a proportion value ([0..1]) while HITheme uses a
> >> "viewsize" value related to the physical size of the scrollbar. The
> precise
> >> formula Cocoa uses to turn the view size into its proportion value is
> >> unknown and would either have to be coaxed out of Apple or
> >> reverse-engineered. But even if you could fix both of these screws,
> you'd
> >> have to deal with...
> >
> > This all sounds reasonable to me. I'd still like to know a little bit
> > more about "screw #2" because it seems like something that we should
> > understand a bit better before we decide to establish our own
> > baselines for these tests.
> >
> > I wonder what happens when the viewsize or one of the other parameters
> > is changed by ±15. Maybe Cocoa is accounting for the "other"
> > scrollbar's presence or absence differently.
>
> Not saying you should do the same thing, but getting the font metrics
> on Linux to match Windows I recall agl and deanm spent a week or two
> going back and forth with "ok, if you add 0.82 * the baseline here it
> fixes these three fonts but that fourth one is still different".
>
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