[gmpi] Re: Topic 8: Parameters
- From: Marc Poirier <fipnid@xxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Mon, 11 Aug 2003 03:39:58 -0700 (PDT)
--- Tim Hockin wrote:
> > Let's say you have a simple filter with one of it's parameters the
> > filter type.
> > In the first version of your plugin you have three possible filter
> > types (low pass, band pass and high pass). Now, in a next version of
> > your plugin you are now also supporting 3 extra filter types (notch,
> > low shelving, high shelving).
>
> This control remains EXACT semantic compatibility with old data. Any
> old data is valid. The range was widened.
>
> > >From what you wrote above, I understand that you consider a range
> > change as a reason to make a new control with a different name.
>
> I wrote that as a response to one of the examples that was asked.
> Someone (Marc?) asked about compatibility for a control whose range
> changed, but I think he meant more generically 'semantics changed'.
http://www-2.cs.cmu.edu/~tom7/csnotes/fall02/semantics.gif
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