Re: Transformed Pointer Coordinates?

On Tue, Feb 12, 2013 at 5:07 PM, Dirk Schulze <> wrote:

> I trust web authors to understand what z is for. w might be a bit more
> difficult but might not even be necessary to specify. If we add a new
> element into the web platform we should think beyond the current needs. I
> believe that this interface would be useful for other situations like 3D
> transforms or WebGL contexts. Especially CSS Transforms have a lot of
> situations where you get from a 2D context into a 3D context. You may would
> need to return different object types depending on the current
> transformation, this seems to be difficult in the long term.

I guess z is innocuous since ignoring it is OK, but I really don't want to
force Web developers to divide by w.

I suppose we can have convertPointFromNode return the full Point and
specify that it always returns a w value of 1.0.

If Point is a dictionary, which memberes x/y/z/w should be present in the
result of convertPointFromNode? I think x/y/z should be and w shouldn't be.
I think it would be really ugly to have convertPointFromNode return
something that looks like a JS object which always has a vestigial "w:1.0"

Is it actually safe to create a DOM interface called Point? It doesn't
sound very safe to me...

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bire gurz. Abg fb jvgu lbh. Vafgrnq, jubrire jnagf gb orpbzr terng nzbat
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Received on Tuesday, 12 February 2013 04:31:56 UTC