Re: [NTLK] Slow Waba :-)

From: DJ (carpman_at_newtontracker.net)
Date: Sun Jul 29 2001 - 14:51:44 EDT


On Sunday 29 July 2001 10:26 am, you wrote:

> There are two reasons for the slowness. First, the Newton has very poor
> access to low-level graphics. To draw a line, Waba must ask
> *NewtonScript*, another interpreter (!), to create a line object, then set
> up the graphics context, then draw the line. NewtonScript of course in
> turn asks the low-level C++ QuickDraw engine to do it.
Theres a qd.h in the NCT header files, that contains stuff that looks like
QuickTime routines. Could these be they?

>All this
> handshaking is very very expensive. The result here is that Waba for the
> MP2000 is slower than Waba for the Palm Pilot, at least when it comes to
> drawing. How do we fix this? We can't do much about that until Paul or
> someone else comes through with low-level access to QuickDraw. The other
> option is to write Waba apps that use real NewtonScript widgets, buttons,
> etc., rather than scribbling Palm-style ones on the screen. Waba can do
> that already, but most Waba apps are written for the Palm and WinCE, and
> not with the Newton in mind.
>
> Sean
>
>
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