Path: utzoo!attcan!uunet!mailrus!cs.utexas.edu!usc!apple!stevec
From: stevec@Apple.COM (Steve Christensen)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Help with icl8's...
Message-ID: <9433@goofy.Apple.COM>
Date: 26 Jul 90 16:39:59 GMT
References: <3681@crash.cts.com>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 51

In article <3681@crash.cts.com> mdavis@pro-sol.cts.com (Morgan Davis) writes:
>...
>Here is a short routine that took me a while to figure out.  If anyone
>knows of a better way to do this, PLEASE let me know.
>
>/*****************************************************************************
> **
> **	PlotIcl8
> **
> ** Like PlotIcon, this function uses the same arguments, only the the icon's
> ** handle belongs to a 1K icl8 resource.
> **
> **/
>
>void
>PlotIcl8 (register Rect *dest, register Handle theIcon)
>{
>	register PixMapHandle	pm;
>	register byte			hAttrs;
>	CGrafPtr				gp;
>
>	GetPort (&gp);
>	pm = NewPixMap();
>	HLock (pm);
>	CopyPixMap (gp->portPixMap, pm);
>	hAttrs = HGetState (theIcon);
>	HLock (theIcon);
>	(**pm).baseAddr = *theIcon;
>	HSetState (theIcon, hAttrs);
>	(**pm).rowBytes = 32 | 0x8000;
>	SetRect(&(**pm).bounds, 0, 0, 32, 32);
>	CopyBits(*pm, &(*gp).portPixMap, &(**pm).bounds, dest, 0, NULL);
>	DisposPixMap (pm);
>}

Actually the "hSetState(theIcon, hAttrs)" should be moved below the CopyBits()
call since CopyBits can move memory, and if the icon is unlocked, it could
end up drawing garbage...

steve

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