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From: beard@ux3.lbl.gov (Patrick C Beard)
Newsgroups: comp.sys.mac.programmer,comp.sys.mac
Subject: Re: CopyBits in MPW C 3.0
Keywords: CopyBits , MPW C
Message-ID: <2403@helios.ee.lbl.gov>
Date: 13 Apr 89 16:53:54 GMT
References: <225@uw-apl.UUCP>
Sender: usenet@helios.ee.lbl.gov
Reply-To: beard@ux3.lbl.gov (Patrick C Beard)
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Organization: Lawrence Berkeley Laboratory, Berkeley
Lines: 28

In article <225@uw-apl.UUCP> keith@uw-apl.UUCP (Keith Kerr) writes:
>  CopyBits(*mypixhandle, &(((GrafPtr)wind)->portBits),
>            &((*mypixhandle)->bounds),&((*mypixhandle)->bounds),
>            srcCopy, 0L);
>
>This compiles and works OK in MPW 2.02, but won't compile
>in MPW 3.0 because of a type mismatch between formal and actual
>parameters in the first argument *mypixhandle.
>
>Could someone please clue me in as to how to fix this???

All you  need to do to convince the compiler that this is what you intended,
is to use casts:

	HLock((Handle)mypixhandle);		// since CopyBits can move memory.
	CopyBits((BitMap*)*mypixhandle, &(((GrafPtr)wind)->portBits),
			&((*mypixhandle)->bounds),&((*mypixhandle)->bounds),
  			srcCopy, 0L);
	HUnlock((Handle)mypixhandle);

I hope this helps.

__________________

   Patrick Beard
  PCBeard@lbl.gov
 BSI, Berkeley, CA
___________________