SDK 4.0 has a nice Beamer app in it. Demonstrates a lot of this type of
thing, but still doesn't reduce a signature to 1 bitplane, which I suspect
is what most people need. (Like me.)
Regards,
Alan Ingleby
Systems Developer
ProfitLink Consulting Pty Ltd
309 Burwood Road
Hawthorn
Victoria 3122
Australia
"Ben Combee" <[EMAIL PROTECTED]> wrote in message
news:43746@palm-dev-forum...
>
> "Philip Sheard" <[EMAIL PROTECTED]> wrote in message
> news:43701@palm-dev-forum...
> >
> > > To the many people who are having huge problems getting signature
> > > capture code working on both OSes before 3.5 and OS 3.5 and later.
> > >
> > > Why haven't you refactored the problem? If the issue is getting
> data
> > > off the screen, why not change the problem? A signature capture
> program
> > > boils down to
> > >
> > > 1) capture user pen strokes
> > > 2) show the strokes to the user
> > > 3) save the strokes for later use
> > >
> > > This begs for using backing store code, where the pen strokes modify
> an
> > > offscreen bitmap, and the bitmap is copied back to the main screen
> after
> > > each penMove. Then, when you're finished, you have a bitmap all
> ready
> > > for you to use and you don't have to deal with grabbing out of
> screen
> > > memory.
> >
> > How would you apply the pen strokes to your off screen bitmap? If you
> use a
> > window, then you face the same problems of version dependency.
>
> Oops... I forgot that all the new bitmap creation functions and
> WinCreateBitmapWindow were added in 3.5. Forget this strategy -- it
> would work, but it may be extra steps to implement all the bitmap
> management and line drawing code for older OS versions.
>
>
>
>
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