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Article #84

Re: rubberbanding

#84
From: Mark Linton
Date: Wed, 22 Jul 1992 20:15
18 lines
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In article <9207221631.AA13904@sc.zuken.com>, daw@sc.zuken.com (Don Walters) writes:
|> Thanks for the example on how to rubberband.  It certainly looks
|> easy enough, but I am clearly not understanding something yet
|> (and starting to feel pretty dense :-).  I tried using your
|> approach in my code, and got different results, so I went back
|> to your example and replaced the "TransformFitter(new Image" line
|> with a line to instance my own Glyph which draws some graphics.
|> I must not be doing something properly in my Glyph, because now when
|> I do the "press/drag/release" the image clears, the rubberband
|> box seems to draw on top of itself (so you get a sort of upside-down
|> L shape) and when your release, the rubberband box is left behind.

The approach in the example relies on the selector's body
being opaque and not having any glyphs under it.  Otherwise,
the rubberbanding damage will cause the glyphs underneath
to redraw.  If you put the background inside the selector
rather than around the selector, then you will find the results
to be what you want.
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Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!darwin.sura.net!mips!odin!fido!marktwain.rad.sgi.com!linton
References: <9207211800.AA21310@marktwain.rad.sgi.com> <9207221631.AA13904@sc.zuken.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!darwin.sura.net!mips!odin!fido!marktwain.rad.sgi.com!linton
From: linton@marktwain.rad.sgi.com (Mark Linton)
Subject: Re: rubberbanding
Message-ID: <nkh1lc4@fido.asd.sgi.com>
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References: <9207211800.AA21310@marktwain.rad.sgi.com> <9207221631.AA13904@sc.zuken.com>
Date: Wed, 22 Jul 1992 20:15:38 GMT
Lines: 18