NetNews Usenet Archive 1992 #31/NN_1992_31.iso/spool/comp/sys/mac/programm/20369

Internet Message Format | 1992-12-29 | 1.6 KB

Path: sparky!uunet!spool.mu.edu!umn.edu!msus1.msus.edu!vax1.mankato.msus.edu!t303grey
Newsgroups: comp.sys.mac.programmer
Subject: Re: What am I doin wrong? (One down, one more to go)
Message-ID: <[e-mail]>
From: [e-mail]
Date: 28 Dec 92 22:54:02 -0600
References: <[e-mail]> <[e-mail]>
Distribution: usa
Organization: Mankato State University
Nntp-Posting-Host: vax1.mankato.msus.edu
Lines: 26

In article <[e-mail]>, [e-mail] (Myrland Gray) writes:
>
> It looks to me like the problem is that you are passing the address of the
> handle to your pixmap, rather than a pointer to a pixmap. In other words, with
> your first parameter to CopyBits, three dereferences are necessary in order to
> access the contents of the pixmap. However, CopyBits will only do a single
> dereference of its first (and second) parameters to get to the "guts" and so
> who really knows what you were blasting into your window (if anything). The fix
> is to lock your pixel map, pass *pixBase (maybe type-casted as a BitMap* ???),
> and then unlock your pixel map. That should work. I've done exactly what you
> seem to have done so many times, I could solve this in my sleep!
>
> As some of the other responses to your query have pointed out, the routines you
> are using are specific to system 7. Just make sure that's really what you want.
>
> Joey Gray
> [e-mail]
>

  That did it. Thanks. Do you have any idea why palette manager isn't working?
(problem 2:)

  Yes I'm writing sys7 Depemdent app.

DevilCat