Subject:
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L-CAD Parts Messages (was: Suggestion for ML-CAD Plug-Ins)
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Newsgroups:
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lugnet.cad.mlcad, lugnet.cad.dev
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Date:
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Fri, 4 Feb 2000 15:38:20 GMT
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Viewed:
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74 times
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In lugnet.cad.dev, Anders Isaksson wrote:
> Steve Bliss skrev i meddelandet ...
> > [what about color?]
> >
> > Two approaches:
> (where's the second approach?)
The second approach went beyond the event horizon.
> > 1. Allow multiple formats for the string being passed in the WM_COPYDATA
> > message. One format is the one you're already using, the part filename and
> > description. Another message could be defined that included color • information.
> > A useful format for this second buffer would be a valid LDraw command.
> > Something like:
> >
> > 1 <color> 0 0 0 1 0 0 0 1 0 0 0 1 <partfile>
>
> Of course! Why didn't *I* think of that? (message type 2)
>
> > And (wandering off into left field) this message data format could be defined • as
> > a snippet of LDraw code, instead of a single command. This would support
> > inter-program passing of almost any LDraw-related information. Multiple • parts,
> > scaled primitives, submodels, whatever.
>
> One long string with line separators? Or a multi-message approach (coded
> 'start-of-message', 'part-of-message', 'end-of-message' - message types 3,4
> and 5)?
One long message with line separators. As long as WM_COPYDATA permits, assuming
WM_COPYDATA specifies a limit. <reads doc> Yeah, there's a limit. We can only
have 2^32 bytes in the passed string. Drat. ;)
Would a multi-message approach be more powerful than a single block of LDraw
code?
Steve
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Message is in Reply To:
 | | Re: Suggestion for MLCad Plug-Ins
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| Steve Bliss skrev i meddelandet ... (...) (where's the second approach?) (...) information. (...) Of course! Why didn't *I* think of that? (message type 2) (...) as (...) parts, (...) One long string with line separators? Or a multi-message approach (...) (25 years ago, 2-Feb-00, to lugnet.cad.mlcad, lugnet.cad.dev)
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