MacTech 1 to 12/MacTech-vol-1-12.toast/Reference/the cmsp digests ('94-'97)/csmp digest Vol 4 No 025

Text File | 1996-11-26 | 162KB | 4,687 lines

C.S.M.P. Digest             Mon, 25 Nov 96       Volume 4 : Issue 25

Today's Topics:

        Anyone doing a GNU gcc port to the CW IDE?
        C++ Memory Questions
        Determining current "enterable" object in dialog?
        Drag Manager question
        FSpGetFInfo for directories?
        Forcing EPS font download
        GIF conversion
        GWorlds and Graphic devices
        GetResource and temporary memory
        Gettings click coordinates
        Help with coding paint fill function
        Memory Usage Reporter Utility?
        Native JAVA on Macintosh?
        PBCatSearch
        PEF file format documentation required
        PICT or Image manipulation libraries
        Path to the preferences folder ?
        Problem w- PICT resource
        Questions about shareware copyrights
        QuickBASIC can't handle 32bit adressing
        SpriteWorld 2 kludges and add-ons
        String concatenation to pass to DrawString
        SysBeep and PMac
        THPrint fields for Laserwriter 8?
        Time Manager Question...
        Using a ditl as a template
        What is the reference of the book of Motorola on the 68000 family?
        [Q] AEInstallEventHandler breaks under PPC
        [Q] Displaying only folders in a Standard Get File
        [Q] How can I get a file's creator?
        [q] C: putting int into dialog
        accelerated code resource
        resedit & PICT resources: help?



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-------------------------------------------------------

>From [e-mail] (benjamin thompson)
Subject: Anyone doing a GNU gcc port to the CW IDE?
Date: Sat, 02 Nov 1996 15:08:15 -0700
Organization: coenobyte software

Has anyone investigated doing a gcc port to the CW IDE? Is development
active? ie can I assist a current effort or help start one?

cheers. -ben.

+++++++++++++++++++++++++++

>From [e-mail] (Vince Darley)
Date: Sun, 03 Nov 1996 15:56:10 -0500
Organization: Harvard University

In article <[e-mail]>,
[e-mail] (benjamin thompson) wrote:

>Has anyone investigated doing a gcc port to the CW IDE? Is development
>active? ie can I assist a current effort or help start one?
>
>cheers. -ben.

I'd try contacting Stan Shebs at Cygnus.  He recently released a couple of
early  beta versions of gcc for MPW.

--
    -********* *-
   -*  Vince  *-
  -* *********-

<http://www.fas.harvard.edu/~darley/>

+++++++++++++++++++++++++++

>From [e-mail] (STOP SPAMMING ME)
Date: 4 Nov 1996 18:21:06 GMT
Organization: There shall be revenge!!!!

In article <[e-mail]>,
[e-mail] (benjamin thompson) wrote:

> Has anyone investigated doing a gcc port to the CW IDE? Is development
> active? ie can I assist a current effort or help start one?
>
> cheers. -ben.

I do not know, but that would be most cool!!!

 -jm ([e-mail])

--
#############################################################
# My opinions are my own and not of any I work for.         #
# I do not want any advertisement so do not send me email.  #
#############################################################

+++++++++++++++++++++++++++

>From Raphael Schumacher <[e-mail]>
Date: 6 Nov 1996 06:43:02 GMT
Organization: Swiss Telecom

Having GNU's gcc on CodeWarrior as a cross-compiler, generating code for
various UNIX systems (e.g. HP-UX), would be giga-cool!

Why: currently I'm editing C++ source with BBEdit/CodeWarrior and compile
it on our HP-UX 9.05 based test system - why not doing both on the Mac
with CodeWarrior?

RAPHAEL

  _________________________________________________________________
| RAPHAEL J. SCHUMACHER             Swiss Telecom, R&D 64           |
| [e-mail]               Zentweg 25c, CH-3000 BERNE 29   |
| Tel. [phone]             Fax. [phone]           |
  _________________________________________________________________

+++++++++++++++++++++++++++

>From Manuel Veloso <[e-mail]>
Date: 4 Nov 1996 05:40:53 GMT
Organization: Active Paper, Inc.

In article <[e-mail]>
benjamin thompson, [e-mail] writes:
>Has anyone investigated doing a gcc port to the CW IDE? Is development
>active? ie can I assist a current effort or help start one?

Stan shebs released an early beta of gcc 2.7(?) a few weeks ago.
The source is available, so you could probably just grab it
and go. From what I remember of the older gcc's, it won't
be a trivial port.
- ---------------------------------------
Manny Veloso            Digital Plumber
Active Paper, Inc.      http://www.apix.com
[e-mail] (work)  [e-mail]
- ---------------------------------------
"the wheel of Karma turns slowly,
but it is accurate to the least significant bit."

+++++++++++++++++++++++++++

>From [e-mail] (Thomas Engelmeier)
Date: Tue, 5 Nov 1996 18:19:33 +0100
Organization: Leibniz-Rechenzentrum, Muenchen (Germany)

Manuel Veloso <[e-mail]> wrote:

> From what I remember of the older gcc's, it won't
> be a trivial port.

Well, non-reentrant stuff is a great mess to adapt. My not-released-yet
CW (Microcontroller) CrossAssembler plugin was like hell to port, I can
tell you. By now, I've to implement the Linker, the real ugly stuff is
done <g>..

Ciao,
     TomE
- --
[e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (Dave McWherter)
Date: Thu, 07 Nov 1996 06:49:28 -0400
Organization: Water Wheel Systems, Marlton, NJ

In article <55pc1m$[e-mail]>, Raphael Schumacher
<[e-mail]> wrote:

> Having GNU's gcc on CodeWarrior as a cross-compiler, generating code for
> various UNIX systems (e.g. HP-UX), would be giga-cool!
>

I've seen numerous posts saying how 'cool' it would be to have GCC linked
up to CodeWarrior, and find it interesting, to say the least. It's not an
easy thing to do, and a Mac GCC port to MPW has already been done by a
fellow named Shebs (I think that's his name) at Cygnus. I haven't tried to
get it working yet, as I'm not an MPW user, but it looks like a tough job
to me. But it still looks simpler than hooking GCC to CodeWarrior...

I say that because I have GCC running as a CodeWarrior project for three
different targets - the 6502, the Hitachi SH2/3, and a propietary
processor here at Franklin. They all work fine for my purposes, which is
generating assembly code only - assembly and linking and debugging are
done outside of CodeWarrior (although using tools which are CodeWarrior
projects). I've toyed with the idea of converting GCC to a CodeWarrior
plug-in and see only one major obstacle to doing that which could probably
be solved with some help from the Metrowerks people - the fact that GCC
needs to run from an initialized state for each file it compiles. The GCC
code assumes that most of its major variables (including its memory heap)
are initialized in the standard C fashion before each file, because that
is how it's typically used - load/run/compile one file, repeat, etc. So
the plug-in handler would have to flush and reload/re-initialize the
compiler for every file compiled.

Actually, now that I think about it, there's another problem - I run the
GCC pre-processor (another CW project) on all my files first. The
pre-processor and compiler projects would have to be merged to make the
plug-in, but I don't think that would be too difficult.

Assuming that these problems could be solved, you'd be able to compile
using GCC from a CodeWarrior project for any of the three targets I've got
working (two of which are probably useless to anybody else). I would
estimate that you could probably get any one of the other supported GCC
targets (and there are many) running with a few days worth of work. (It
took me a day to bring up the Hitachi, although it still crashes at -O2.)
I've got the GCC target generation stuff as a CW project too. There is a
GCC port to the Power PC, but I don't know if it will generate code
suitable for the Mac environment. If it doesn't, then that is more work
that would need to be done.

But even if you did all that, you still have no GCC assembler or linker.
These require a lot of work, which appears to have already been done by
Shebs for MPW. And even then, I don't think you can build a Mac
application with it. (Apologies if I'm wrong on that.) So I've pretty much
decided that it's not worth it for me to do much more with it, although it
may be for someone else.

[e-mail]

+++++++++++++++++++++++++++

>From Steven Kortze <[e-mail]>
Date: Thu, 07 Nov 1996 20:46:49 +0000
Organization: Erol's Internet Services

Dave McWherter wrote:
>
> In article <55pc1m$[e-mail]>, Raphael Schumacher
> <[e-mail]> wrote:
>
> > Having GNU's gcc on CodeWarrior as a cross-compiler, generating code for
> > various UNIX systems (e.g. HP-UX), would be giga-cool!
> >
>
> I've seen numerous posts saying how 'cool' it would be to have GCC linked
> up to CodeWarrior, and find it interesting, to say the least. It's not an
> easy thing to do, and a Mac GCC port to MPW has already been done by a
> fellow named Shebs (I think that's his name) at Cygnus. I haven't tried to
> get it working yet, as I'm not an MPW user, but it looks like a tough job
> to me. But it still looks simpler than hooking GCC to CodeWarrior...
>
> ....
>
> But even if you did all that, you still have no GCC assembler or linker.
> These require a lot of work, which appears to have already been done by
> Shebs for MPW. And even then, I don't think you can build a Mac
> application with it. (Apologies if I'm wrong on that.) So I've pretty much
> decided that it's not worth it for me to do much more with it, although it
> may be for someone else.
>

>From my rather brief understanding of GCC:
Preprocessor -> compiler (to assembly language) -> assembler ....

Stan Shebs had some brief documentation on a earlier version of his MPW
port of GCC on the MacHack "Late Night with MacHack" CDROM. Actually,
the process GCC uses bears some resemblence to the Motorola compiler,
since Motorola's compiler started life as a AIX PowerPC based compiler.
[See MacTech articles in the June and October 1996 issues]. Short of
writing your own assembler, you could have a problem. Motorola solved
the problem by using a shared library which did initialization,
conversion to assembly and assembling to object code (XCOFF). The XCOFF
code was then imported via a Metrowerks ImportXCOFF library function.

In another issue of MacTech, Metrowerks folks mentioned the future
ability to pass the results of one tool to another. I believe that this
is beginning to be implemented in CW10 with Linkers and Post-linkers.
Not quite the same as compilers though.

CW port of GCC is an ambitious project, but one that has possibilities.
I would suggest the documentation from the MacHack CD and the two
MacTech articles for more information.

Thanks,
Steve

+++++++++++++++++++++++++++

>From [e-mail] (Thomas Engelmeier)
Date: Thu, 7 Nov 1996 08:19:54 +0100
Organization: Leibniz-Rechenzentrum, Muenchen (Germany)

Dave McWherter <[e-mail]> wrote:

> In article <55pc1m$[e-mail]>, Raphael Schumacher
> <[e-mail]> wrote:

> be solved with some help from the Metrowerks people - the fact that GCC
> needs to run from an initialized state for each file it compiles. The GCC
> code assumes that most of its major variables (including its memory heap)
> are initialized in the standard C fashion before each file, because that
> is how it's typically used - load/run/compile one file, repeat, etc. So
> the plug-in handler would have to flush and reload/re-initialize the
> compiler for every file compiled.

It took me about one day to "fix this featuere" on my CrossAssembler,
which uses an Yacc generated Parser with the same problem:

I collected all globals / statics in one file and added an
InitYaccGlobals() and an InitLexerGlobals() before each file my plugin
compiles.


> Actually, now that I think about it, there's another problem - I run the
> GCC pre-processor (another CW project) on all my files first. The
> pre-processor and compiler projects would have to be merged to make the
> plug-in, but I don't think that would be too difficult.

Also not too hard:
as Yacc doesn't support #includes, I wrote  an preprocessor plugin which
just ##includes common yacc code.yh for different assembler targets.
The to be precompiled stuff has to be further up on the project,
modification date caching doesn't work for me, and the modification date
check for my .yh include files is not too good. Besides that, it's just
fine.

> But even if you did all that, you still have no GCC assembler or linker.

And if you translate the GCC Link format to one MWs Linker can handle?

Ciao,
     TomE
- --
[e-mail]

---------------------------

>From [e-mail] (Ram)
Subject: C++ Memory Questions
Date: Fri, 08 Nov 1996 00:39:38 -0500
Organization: The Ohio State University

Hey, I need some help writing actual decent C++ code on the Mac. I haven't
found any good C++ books that deal with:

1. When things get FUBARed upon object construction.
2. Allocating object memory yourself

The only solution I've found to 1 is to add two extra wrapper init/destroy
functions that I call after I instantiate an object and before I delete
it. Like this:

Object()
InitMyObject()
DeleteMyObject()

Of course, the first 2 are the mandatory constructor/destructor but they
do little more than init variables. I keep all the code that can fail (ie.
memory allocation, Toolbox stuff) in my InitMyObject() function because if
it fails, I can return an error and then delete the object.

Of course, you could try putting all your initialization stuff in the
constructor and throw an exception when something goes wrong but how does
your exception handler know whether or not the object was created so it
can safely delete it, etc?

The second question is simple. If I want to create an array of objects,
how can do it with an already existing buffer? If I do something like
this:

myBuffer = NewPtr(10 * sizeof(myObject));

and now I want to "initialize" this with 10 objects, what do I do? I
remember there being a placement new function but none of my books
document it. I'm assuming I can't call the constructor directly (ie.
((myObject *)myBuffer)[1].myObject) because this would be too easy. And
also, I'm assuming that sizeof() will return the correct byte size of all
the member variables + vtable crap. And would I have to explicitly call
the destructor when I dispose the buffer?

Anyways, any help is greatly suggested. I've become quite discouraged in
trying to produce code that is as elegant and reliable as stuff I can do
in C.

--Ram

+++++++++++++++++++++++++++

>From [e-mail] (Paulo Casanova)
Date: Fri, 08 Nov 1996 17:45:47 +0000
Organization: Instituto Superior Tecnico

In article <rajadhyaksha.2-0811960040090001@206.244.42.138>,
[e-mail] (Ram) wrote:

> Hey, I need some help writing actual decent C++ code on the Mac. I haven't
> found any good C++ books that deal with:
>
> 1. When things get FUBARed upon object construction.
> 2. Allocating object memory yourself
>
> The only solution I've found to 1 is to add two extra wrapper init/destroy
> functions that I call after I instantiate an object and before I delete
> it. Like this:
>
> Object()
> ~Object()
> InitMyObject()
> DeleteMyObject()
>
> Of course, the first 2 are the mandatory constructor/destructor but they
> do little more than init variables. I keep all the code that can fail (ie.
> memory allocation, Toolbox stuff) in my InitMyObject() function because if
> it fails, I can return an error and then delete the object.
>
> Of course, you could try putting all your initialization stuff in the
> constructor and throw an exception when something goes wrong but how does
> your exception handler know whether or not the object was created so it
> can safely delete it, etc?

   I'm not a C++ gur, but I suppose either the new operator catches
exceptions and deletes your object...


> The second question is simple. If I want to create an array of objects,
> how can do it with an already existing buffer? If I do something like
> this:
>
> myBuffer = NewPtr(10 * sizeof(myObject));
>
> and now I want to "initialize" this with 10 objects, what do I do? I
> remember there being a placement new function but none of my books
> document it. I'm assuming I can't call the constructor directly (ie.
> ((myObject *)myBuffer)[1].myObject) because this would be too easy. And
> also, I'm assuming that sizeof() will return the correct byte size of all
> the member variables + vtable crap. And would I have to explicitly call
> the destructor when I dispose the buffer?

   You can call the constructor manually:

   for( n = 0; n < NUMBER_OBJECTS; n++ )
   {
         (( myObject * )myBuffer + n)->myObject();
   }

   and the destructor manually. After use DisposePtr to dispose the objects...


> Anyways, any help is greatly suggested. I've become quite discouraged in
> trying to produce code that is as elegant and reliable as stuff I can do
> in C.
>
> --Ram


Paulo

+++++++++++++++++++++++++++

>From Chelly Green <[e-mail]>
Date: Sun, 10 Nov 1996 00:57:12 -0600
Organization: -

Paulo Casanova wrote:
>
> In article <rajadhyaksha.2-0811960040090001@206.244.42.138>,
> [e-mail] (Ram) wrote:
>
> > Hey, I need some help writing actual decent C++ code on the Mac. I haven't
> > found any good C++ books that deal with:
> >
> > 1. When things get FUBARed upon object construction.
> > 2. Allocating object memory yourself

I suggest you check the C++ FAQ. It probably explains these.

    http://www.cerfnet.com/~mpcline/C++-FAQs-Lite/

(OK, so it turns out I typed alot of code to demonstrate the second
item. Read on!)

> > The only solution I've found to 1 is to add two extra wrapper init/destroy
> > functions that I call after I instantiate an object and before I delete
> > it. Like this:
> >
> > Object()
> > ~Object()
> > InitMyObject()
> > DeleteMyObject()
> >
> > Of course, the first 2 are the mandatory constructor/destructor but they
> > do little more than init variables. I keep all the code that can fail (ie.
> > memory allocation, Toolbox stuff) in my InitMyObject() function because if
> > it fails, I can return an error and then delete the object.
> >
> > Of course, you could try putting all your initialization stuff in the
> > constructor and throw an exception when something goes wrong but how does
> > your exception handler know whether or not the object was created so it
> > can safely delete it, etc?

See the C++ FAQ:


http://www.cerfnet.com/~mpcline/C++-FAQs-Lite/freestore-mgmt.html#[16.9]

>    I'm not a C++ gur, but I suppose either the new operator catches
> exceptions and deletes your object...

Basically, yes, beacause the user otherwise has no way of freeing the
allocated memory, or calling the destructor, nor should they have to
worry about that.

> > The second question is simple. If I want to create an array of objects,
> > how can do it with an already existing buffer?

First question, why? Do you want to provide your own allocator for the
class? The language allows you to do that without affecting how users
create your objects.

> >If I do something like
> > this:
> >
> > myBuffer = NewPtr(10 * sizeof(myObject));
> >
> > and now I want to "initialize" this with 10 objects, what do I do?

Well, I was about to say to use placement new, but I realized this was
an array. Sorry, can't do that. The compiler can add any number of bytes
to the space needed for the array to store the number of elements, etc.
I don't think you can currently override a class-specific array
allocation with Code Warrior. Oh well.

> > I
> > remember there being a placement new function but none of my books
> > document it. I'm assuming I can't call the constructor directly (ie.
> > ((myObject *)myBuffer)[1].myObject) because this would be too easy.

Hehe, yeah. Well, actually, come to think of it, you can, in a loop
using new placement. A template function will make this reusable and
clear (at least to me, anyway :-). But first a normal version:

    #include <iostream.h>
    #include <new.h> // for placement new

    static int obj_count = 0;

    // does checking and prints useful information
    struct Trace
    {
        Trace* this_check;
        int my_number;
        Trace() : this_check( this ), my_number( ++obj_count )
        {
            cout << "Trace::Trace() - " << my_number << endl;
        }

        ~Trace()
        {
            if ( this != this_check )
                cout << "bad pointer to trace object!" << endl;
            this_check = 0; // invalidate it now
            cout << "Trace::~Trace() - " << my_number << endl;
        }
    };

    const int num_objects = 4;

    void relevant_code_here( void* storage )
    {
        Trace* objects = (Trace*) storage;

        // construct them
        for ( int i = 0; i < num_objects; ++i )
            ::new (&objects [i]) Trace;

        // here you can do something with them - they are a normal array
        cout << "do something interesting" << endl;

        // destruct them *in reverse order* (often important)!
        for ( int i = num_objects; --i >= 0; )
            objects [i].~Trace();
    }

    int main()
    {
        // allocate space
        char* storage = new char [sizeof (Trace) * num_objects];

        relevant_code_here( storage );

        // free space
        delete [] storage;

        return 0;
    }

    /*

    output:

        Trace::Trace() - 1
        Trace::Trace() - 2
        Trace::Trace() - 3
        Trace::Trace() - 4
        do something interesting
        Trace::~Trace() - 4
        Trace::~Trace() - 3
        Trace::~Trace() - 2
        Trace::~Trace() - 1

    seems to be working
    */

Now, let's replace the construction and destruction with a template
function (has to be a class currenly because Code Warrior doesn't
allow explicit template arguments):

    // everything from code above *except* the function
relevant_code_here()
    // ...

    template<class T>
        // ignore this stupid crap
        class construct_array { T* ret_value;
        public: operator T* () const { return ret_value; }
        //
    /* T* */ construct_array( void* raw_p, int size )
    {
        for ( T* p = ret_value = static_cast<T*> (raw_p); size; --size,
++p )
            ::new (static_cast<void*> (p)) T;
    }};

    template<class T>
    void destruct_array( T* p, int size )
    {
        for ( p += size; size; --size )
            (--p)->~T();
    }

    void relevant_code_here( void* storage )
    {
        Trace* objects = construct_array<Trace>( storage, num_objects );

        // here you can do something with them - they are a normal array
        cout << "do something interesting" << endl;

        destruct_array( objects, num_objects );
    }

    // same output as before, seems to work OK

By the way, this code was just tested (compiled and run), so you have
some chance of it working  :-)

> > And
> > also, I'm assuming that sizeof() will return the correct byte size of all
> > the member variables + vtable crap.

Correct.

> > And would I have to explicitly call
> > the destructor when I dispose the buffer?

Yes, before you dispose it.

>    You can call the constructor manually:
>
>    for( n = 0; n < NUMBER_OBJECTS; n++ )
>    {
>          (( myObject * )myBuffer + n)->myObject();
>    }

No, you cannot call it with that syntax (unless a stupid compiler lets
you, hint, hint...).

>    and the destructor manually. After use DisposePtr to dispose the objects...

Otherwise, yes (the posted code does this).

> > Anyways, any help is greatly suggested. I've become quite discouraged in
> > trying to produce code that is as elegant and reliable as stuff I can do
> > in C.

Don't worry, the language allows the same things, where possible. It is
a very nice language.

--
Chelly Green | [e-mail] | C++ - http://www.eden.com/~chelly



---------------------------

>From "Michael S. Erickson" <[e-mail]>
Subject: Determining current "enterable" object in dialog?
Date: 9 Nov 1996 21:01:09 GMT
Organization: Automated Solutions Group

How do I determine what is the current object in a dialog?

I need to perform some special area highlighting when I tab into enterable
objects on a dialog.  How can I do this?

- -----------------------------------------------------------------------
Michael S. Erickson, President
[e-mail]
http://www.asgsoft.com

Automated Solutions Group                Automated Solutions Group France
16742 Gothard Street, Suite 207          3, rue Troyon
Huntington Beach, CA 92647               75017 Paris France
[phone]                           (33-1) 47-64-46-22
[phone] FAX                       (33-1) 47-64-46-33 FAX

           *** Changing the Way Business Views Information ***
- -----------------------------------------------------------------------

+++++++++++++++++++++++++++

>From [e-mail] (Erik J. Rogers)
Date: Sun, 10 Nov 1996 08:56:10 GMT
Organization: NETCOM On-line Communication Services (408 261-4700 guest)

Michael S. Erickson ([e-mail]) wrote:
[1] : How do I determine what is the current object in a dialog?

[2] : I need to perform some special area highlighting when I tab into
enterable : objects on a dialog.  How can I do this?

- --- Untested, unguaranteed response, OTTOMH -----
[1]  Coerce the dialogPtr to a dialogPeek and check the "editField"
field.  It contains the current editText item - 1.  the "textH" field
contains a TERec (see TextEdit) which is reused for the current text item.

[2] Firstly, you might consider tracking clicks and keypresses (tab &
shift-tab) yourself and keeping track of which text area is current.
This is more time consuming to impliment but is a more solid design.  It
also would allow things like tabbing to non-text items such as a check box
should you wish to extend the functionality.

However, you might be able to do what you need simply by examining the
"editField" field of the DialogRecord involved after passing an event to
the dialog manager.  You could keep a copy of the old editField value and
compare it to the new after each time you pass an event to the dialog
manager to handle.  When you find it has changed, perform your special
hilighting for the given field.

I have had success fiddling with these fields in a former project but you
should be cautious in using this approach.  The above scheme might result in
unsightly flicker or other undesirable effect, but I believe it answers
your question.  Feel free to e-mail if I need to be more clear.

Erik J. Rogers
[e-mail]

+++++++++++++++++++++++++++

>From "Michael S. Erickson" <[e-mail]>
Date: 9 Nov 1996 21:08:34 GMT
Organization: Automated Solutions Group

test

+++++++++++++++++++++++++++

>From [e-mail] (Martin-Gilles Lavoie)
Date: 12 Nov 1996 13:38:53 GMT
Organization: Groupimage, inc.

In article <[e-mail]>, "Michael S. Erickson"
<[e-mail]> wrote:

> How do I determine what is the current object in a dialog?
>
> I need to perform some special area highlighting when I tab into enterable
> objects on a dialog.  How can I do this?

By "enterable", I suspect you mean edit fields.  In which case, the
current edit field item can be found using

    short   curEdit =   ((DialogRecord*) dialogPtr)->editField+1;

The 'editField' structure field is off-by-one, hence the '+1' at the end;

Once you have this number, use regular GetDItem()/SetDItem() to access
item data and to modify it.

--
Martin-Gilles Lavoie  |  Opinions expressed herein are just that.
[e-mail]     |  "No! Do, or do not.  There is no try."
Globimage, inc.       |         --Yoda on error handling

---------------------------

>From [e-mail] (Christopher Soeffing)
Subject: Drag Manager question
Date: Sun, 10 Nov 1996 12:03:45 -0400
Organization: Voicenet - Internet Access - [phone]

I have been able to drag text from my text editor to the desktop.
Everytime I do it creates a clipping file.  I would also like to be able
to create other types of files, such as a simpleText file.

How do I do that ?

Thanks for any help or ideas.

+++++++++++++++++++++++++++

>From [e-mail] (Hugh Johnson)
Date: Sun, 10 Nov 1996 12:39:02 -0500
Organization: AT&T WorldNet Services

In article <[e-mail]>,
[e-mail] (Christopher Soeffing) wrote:

> I have been able to drag text from my text editor to the desktop.
> Everytime I do it creates a clipping file.  I would also like to be able
> to create other types of files, such as a simpleText file.
>
> How do I do that ?

Wow, that doesn't sound too easy. First you'd have to find some way to get
file info on the clipping you just made, then you'd have to delete the
clipping and replace it with your new file, with the same vRefNum and
parID and the same horizontal and vertical placement in the parID, etc. I
mean, that's the only thing I can think of. So it all boils down to
finding a way to get the new clipping's info.

--
The universe is a figment of it's own imagination.

+++++++++++++++++++++++++++

>From 3gl21@qlink (Gregory Lo)
Date: Sun, 10 Nov 1996 19:21:12 -0500
Organization: Queen's University

In article <[e-mail]>,
[e-mail] (Christopher Soeffing) wrote:

>I have been able to drag text from my text editor to the desktop.
>Everytime I do it creates a clipping file.  I would also like to be able
>to create other types of files, such as a simpleText file.
>
>How do I do that ?

Promise a flavor of type PromiseHFSFlavor (or something like that) before
you promise your 'TEXT' flavor, and don't cache your drag-item data.  When
you are called upon by the Drag Manager to send data, check for the type
you promised in the PromiseHFSFlavor structure and create the file using
the location returned in ::GetDropLocation() [or something similiar to
that].

The clipping extension acts on the 'TEXT' flavor and creates the clipping
file for you.

The Finder accept the PromiseHFSFlavor which is the flavor to use in cases
where you intend to create a file at the drag destination.

The documentation for the Drag Manager will help you.  I think it's also
available electronically in PDF and other forms on the net.

GLo

---------------------------

>From [e-mail] (Joseph Churchill)
Subject: FSpGetFInfo for directories?
Date: Sat, 09 Nov 1996 00:15:33 -0800
Organization: University of California at Berkeley

Could anyone point me to some code which uses FSpGetFInfo and FSpSetFInfo
to modify the finder information for _directories_. IM says it works with
directories, but I only get fnfErr (file not found) when I use them. My
FSSpec works fine with the other FSp routines (FSpRename, FSpDelete, etc.),
so it's not the FSSpec.

What I'm trying to do is a make a directory invisible and visible again.

Either Pascal or C(++) is fine.

TIA

Joseph
[e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (Joe Zobkiw)
Date: Sat, 09 Nov 1996 15:32:40 -0500
Organization: TripleSoft Inc.

In article <jalan-ya023180000911960015330001@128.32.155.1>,
[e-mail] (Joseph Churchill) wrote:

> Could anyone point me to some code which uses FSpGetFInfo and FSpSetFInfo
> to modify the finder information for _directories_. IM says it works with
> directories, but I only get fnfErr (file not found) when I use them. My
> FSSpec works fine with the other FSp routines (FSpRename, FSpDelete, etc.),
> so it's not the FSSpec.
>
> What I'm trying to do is a make a directory invisible and visible again.

Download the latest version of MoreFiles from:

 <http://members.aol.com/jumplong/>

Joe Zobkiw                     <mailto:[e-mail]>
TripleSoft Inc.                  <http://www.triplesoft.com/>
Macintosh Software Development & Internet Publishing Services
- -----------------------------------------------------------
Macintosh Programmers:  <http://www.triplesoft.com/fragment/>
Macintosh WebMasters: <http://www.triplesoft.com/screenview/>
Personal Page:         <http://www.triplesoft.com/zobintosh/>

+++++++++++++++++++++++++++

>From David Gillies <[e-mail]>
Date: Mon, 11 Nov 1996 21:08:31 +0000
Organization: University of Bradford

Joseph Churchill wrote:
>
> Could anyone point me to some code which uses FSpGetFInfo and FSpSetFInfo
> to modify the finder information for _directories_. IM says it works with
> directories, but I only get fnfErr (file not found) when I use them. My
> FSSpec works fine with the other FSp routines (FSpRename, FSpDelete, etc.),
> so it's not the FSSpec.
>
> What I'm trying to do is a make a directory invisible and visible again.
>
> Either Pascal or C(++) is fine.
>
IM lies. FSpSetFInfo does not work with directories. Use
PBGet/SetCatInfo
instead. It's dead easy to hide a folder:

assuming you have an FSSpec (call it theFSS)

CInfoPBRec    infoRec;
OSErr         fileErr;

infoRec.ioCompletion=NULL;
infoRec.vRefNum=theFSS.vRefNum;
infoRec.ioDrDirID=theFSS.parID;
infoRec.ioNamePtr=theFSS.name;

fileErr=PBGetCatInfoSync((HParmBlkPtr)&infoRec);

infoRec.ioDrUsrWds.fdFlags|=fInvisble; // dunno if I've got the name
                                       // quite right but you get the
                                       // picture

fileErr=PBSetCatInfo((HParmBlkPtr)&infoRec);

If you want to have this show up immediately then you need to make
the Finder's cache stale by altering the modification date of the
*enclosing* folder. Again use the PBGet/SetCatInfo and GetDateTime
calls to alter the ioDrModDat field of the CInfoPBRec. Recovering the
FSSpec of a folder given an FSSpec of an item inside it is left as
an exercise for the reader.
--
______________________________________________________________________
David A. G. Gillies                        ([e-mail])
      University of Bradford, Bradford, West Yorkshire, England
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

---------------------------

>From [e-mail] (Neil Steiner)
Subject: Forcing EPS font download
Date: Wed, 06 Nov 1996 13:53:25 -0600
Organization: DesignSoft


Hello,

Is anyone familiar with how to force the LaserWriter driver to download
fonts which have been referenced from an EPS file?

I am currently using a BeginEPSF/EndEPSF block very similar to that
described in the PostScript Language Reference Manual, 2nd Edition, and I
initially thought that the LaserWriter driver would automatically download
any fonts that it saw referenced in the entire document.

How can I tell the LaserWriter driver that there are additional fonts that
need to be downloaded?  If anyone has suggestions, an email reply would be
great.


Neil Steiner
[e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (The Weasel)
Date: Fri, 08 Nov 1996 11:38:55 -0800
Organization: Adobe Systems

In article <[e-mail]>,
[e-mail] (Neil Steiner) wrote:
> How can I tell the LaserWriter driver that there are additional fonts that
> need to be downloaded?  If anyone has suggestions, an email reply would be
> great.

If you know the fonts that are used then set the font using TextFont and
print a single space using DrawString. This will force the driver to emit
the font to the printer.

If you don't know the font by id, you may need to walk the eps and get the
FOND by name and do the space hack w/ its id.

\p

--
--
#include <stddisclaimer.h>
ObURL:   http://xenon.stanford.edu/~pchang
ObQuote: There's no point in being grown up if you can't be
         childish sometimes. - Dr. Who

+++++++++++++++++++++++++++

>From [e-mail] (Dave Polaschek)
Date: Sat, 09 Nov 1996 09:33:40 -0600
Organization: Polaschek Publishing

In article <[e-mail]>,
[e-mail] (The Weasel) wrote:

> In article <[e-mail]>,
> [e-mail] (Neil Steiner) wrote:
> > How can I tell the LaserWriter driver that there are additional fonts that
> > need to be downloaded?  If anyone has suggestions, an email reply would be
> > great.
>
> If you know the fonts that are used then set the font using TextFont and
> print a single space using DrawString. This will force the driver to emit
> the font to the printer.

This is fine for QuickDraw, but for QuickDraw GX, you should actually use
a smarter method for two reasons. One is that larger fonts are supported
(you don't really want to download an entire 5M Japanese font) and the
second is that if you ask for just a space, QuickDraw GX will give you a
font that contains only a space, since it's optimizing the PostScript it
generates. This probably isn't what you want.

See <http://devworld.apple.com/dev/techsupport/develop/issue25/printhints.html>
for more information.

> If you don't know the font by id, you may need to walk the eps and get the
> FOND by name and do the space hack w/ its id.

--
Dave Polaschek home:[e-mail] work:[e-mail]

---------------------------

>From David Gillies <[e-mail]>
Subject: GIF conversion
Date: Tue, 12 Nov 1996 17:54:26 +0000
Organization: University of Bradford

Can anyone point me towards source code to read GIFs on a Mac? I
figured out how to read JPEGs by essentially ripping off the sample
code I found on a develop Bookmark CD, but all searches on the Net
for GIF code were fruitless. Is there a GIF codec in QuickTime, like
the JPEG one?

And yes, I know Compuserve don't like people writing GIF readers 'cos
of the Unisys patent on LZW but since this is just for my own
purposes I figure they can sit and swivel.

--
______________________________________________________________________
David A. G. Gillies                        ([e-mail])
      University of Bradford, Bradford, West Yorkshire, England
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

+++++++++++++++++++++++++++

>From [e-mail] (David Bock)
Date: Wed, 13 Nov 1996 10:39:46 -0500
Organization: FGM

In article <AEAE950E966818597@192.0.2.1>, [e-mail] (Scott Squires) wrote:

> In article <[e-mail]>,
> David Gillies <[e-mail]> wrote:
>
> >Can anyone point me towards source code to read GIFs on a Mac? I
> >figured out how to read JPEGs by essentially ripping off the sample
> >code I found on a develop Bookmark CD, but all searches on the Net
> >for GIF code were fruitless. Is there a GIF codec in QuickTime, like
> >the JPEG one?


David, (and anyone else interested in reading foreign graphic files)

A company called FGM Software makes a product called PictPorter, which are
translator libraries that support something like 28 graphic file formats.
(I am not affiliated with FGM Software...  they are a different company
than the FGM I work for, but I know they exist because of the name
collision.)

Check out the technical details on their web site:

http://www.fgmsw.com/pictporterapi.html

-db

+++++++++++++++++++++++++++

>From [e-mail] (David Bock)
Date: Wed, 13 Nov 1996 10:47:02 -0500
Organization: FGM

In article <AEAE950E966818597@192.0.2.1>, [e-mail] (Scott Squires) wrote:

> In article <[e-mail]>,
> David Gillies <[e-mail]> wrote:
>
> >Can anyone point me towards source code to read GIFs on a Mac? I
> >figured out how to read JPEGs by essentially ripping off the sample
> >code I found on a develop Bookmark CD, but all searches on the Net
> >for GIF code were fruitless. Is there a GIF codec in QuickTime, like
> >the JPEG one?


David, (and anyone else interested in reading foreign graphic files)

A company called FGM Software makes a product called PictPorter, which are
translator libraries that support something like 28 graphic file formats.
(I am not affiliated with FGM Software...  they are a different company
than the FGM I work for, but I know they exist because of the name
collision.)

Check out the technical details on their web site:

http://www.fgmsw.com/pictporterapi.html

-db

+++++++++++++++++++++++++++

>From [e-mail] (Scott Squires)
Date: Tue, 12 Nov 1996 20:56:46 -0800
Organization: Puffin Designs

In article <[e-mail]>,
David Gillies <[e-mail]> wrote:

>Can anyone point me towards source code to read GIFs on a Mac? I
>figured out how to read JPEGs by essentially ripping off the sample
>code I found on a develop Bookmark CD, but all searches on the Net
>for GIF code were fruitless. Is there a GIF codec in QuickTime, like
>the JPEG one?
>
>And yes, I know Compuserve don't like people writing GIF readers 'cos
>of the Unisys patent on LZW but since this is just for my own
>purposes I figure they can sit and swivel.

Yes, QT 2.5 supports importing GIF files.

Check out  <http://www.QuickTimeFAQ.org/> for more info.

-scott


Scott Squires               "Insert funny stuff here"
[e-mail]
[e-mail]


---------------------------

>From <[e-mail]>
Subject: GWorlds and Graphic devices
Date: Thu, 7 Nov 1996 13:30:57 -0500
Organization: University of Florida

According to Apple's documentation, when you call NewGWorld() passing zero
for the pixel depth, it uses an existing GDHandle.  When you pass it any
other value, it is supposed to create a new GDHandle, so long as you do
not explicitly tell it not to through the flags parameter.

However, when I tell NewGWorld() to create a 8-bit GWorld, for instance,
and call GetGWorldDevice(), the handle it returns is the same as the
handle returned by GetMainDevice(), indicating that it has not actually
created a new device.

Since I do actually need a new device, how can I force NewGWorld() to
create one?  Or, does anybody have any advice on using NewGDevice() to set
up a new graphics device that could be passed as the parameter to
NewGWorld()?


+++++++++++++++++++++++++++

>From "Chao-Kuang Yang" <[e-mail]>
Date: 8 Nov 1996 11:41:45 GMT
Organization: Cram Softnology

Hi!
    Hm... actually, if I remember right, NewGWorld only uses the GDHandle to
create the GWorld.  It doesn't create a new GDevice.

    BTW, why you want to have a new GDevice?

Mark Yang

--
- --------------------------------------------------------------------------
- --
MetaTools Program Team
email: [e-mail];
          [e-mail];

[e-mail] wrote in article
<Pine.OSF.3.95.961107132620.31214C-100000@palm>...
> According to Apple's documentation, when you call NewGWorld() passing
zero
> for the pixel depth, it uses an existing GDHandle.  When you pass it any
> other value, it is supposed to create a new GDHandle, so long as you do
> not explicitly tell it not to through the flags parameter.
>
> However, when I tell NewGWorld() to create a 8-bit GWorld, for instance,
> and call GetGWorldDevice(), the handle it returns is the same as the
> handle returned by GetMainDevice(), indicating that it has not actually
> created a new device.
>
> Since I do actually need a new device, how can I force NewGWorld() to
> create one?  Or, does anybody have any advice on using NewGDevice() to
set
> up a new graphics device that could be passed as the parameter to
> NewGWorld()?
>
>

+++++++++++++++++++++++++++

>From [e-mail] (Jochen Lippert)
Date: Fri, 08 Nov 1996 18:35:17 +0100
Organization: University of  Bremen

In article <Pine.OSF.3.95.961107132620.31214C-100000@palm>,
<[e-mail]> wrote:

> According to Apple's documentation, when you call NewGWorld() passing zero
> for the pixel depth, it uses an existing GDHandle.  When you pass it any
> other value, it is supposed to create a new GDHandle, so long as you do
> not explicitly tell it not to through the flags parameter.

My impression was that passing zero as the pixel depth sets the pixel
depth of the GWorld to the pixel depth of the "deepest" GDevice...

> Since I do actually need a new device, how can I force NewGWorld() to
> create one?  Or, does anybody have any advice on using NewGDevice() to set
> up a new graphics device that could be passed as the parameter to
> NewGWorld()?

Yup, that will be the way to go. Create a GDevice and pass it to NewGWorld.

Jochen Lippert

[e-mail]

---------------------------

>From [e-mail] (Rob Friefeld)
Subject: GetResource and temporary memory
Date: Sun, 03 Nov 1996 15:46:51 -0800
Organization: (none)

Is there a way to read a resource into temporary memory? My particular need
is to read large sound files and play them immediately.


                                      Rob Friefeld

+++++++++++++++++++++++++++

>From [e-mail] (Tom Emerson)
Date: Mon, 04 Nov 1996 12:32:48 -0500
Organization: Apple Computer, Inc.

In article <[e-mail]>,
[e-mail] (Rob Friefeld) wrote:

>Is there a way to read a resource into temporary memory? My particular need
>is to read large sound files and play them immediately.

You can use ReadPartialResource() to do this. Something along the lines of:

Handle GetResourceTempMem(ResType theType, short theID)
{
    Handle theResource;
    Handle theTempHandle = NULL;
    long resSize;

    SetResLoad(false);
    theResource = GetResource(theType, theID);
    SetResLoad(true);

    if (theResource)
    {
        resSize = GetResourceSizeOnDisk(theResource);
        if (resSize != -1)
        {
            OSErr rc;

            theTempHandle = TempNewHandle(resSize, rc);
            if (theTempHandle)
            {
                HLock(theTempHandle);
                ReadPartialResource(theResource, 0,
                    *theTempHandle, resSize);
                HUnlock(theTempHandle);
                if ((ResError() != noErr) ||
                    (ResError() != inputOutOfBounds))
                {
                    DisposeHandle(theTempHandle);
                    theTempHandle = NULL;
                }
            }
        }
        ReleaseResource(theResource);
    }
    return theTempHandle;
}

I haven't compiled or tested this, but it should work.

    -tre

--
Tom Emerson                                                 Cambridge R&D
Senior Software Engineer                             Apple Computer, Inc.
<mailto:[e-mail]>                  <http://www.tiac.net/users/tree>

+++++++++++++++++++++++++++

>From [e-mail] (C.K. Haun)
Date: Sat, 09 Nov 1996 14:12:26 -0700
Organization: Ravenware Software

> In article <[e-mail]>,
> [e-mail] (Rob Friefeld) wrote:
>
> >Is there a way to read a resource into temporary memory? My particular need
> >is to read large sound files and play them immediately.
The Resource Manager will allocate memory and load a resource into
whatever heap happens to be the current heap.

This means that you can create a sub heap (either in your app or in temp
mem) by allocating a handle, calling InitZone on that handle (of course,
locking the handle would be a dandy idea), setting the current zone to
that zone, and calling GetResource.  That will result in the resource
ending up in that zone.
When you're done, dispose of the resource and dispose of the handle that
contains the zone you've created.
C.K. Haun
Ravenware Software
[e-mail]          http://WWW.Ravenware.com for Mac shareware
                          The Mild Bunch
1996 Royal Star 1300      1991 Voyager 1200       1990 Virago 750
1993 Virago 535          <reflex got sold>         <rent this space>

---------------------------

>From [e-mail] (Matthew R. Wilson)
Subject: Gettings click coordinates
Date: Sun, 03 Nov 1996 14:26:07 -0800
Organization: Teleport - Portland's Public Access [phone]

I have a normal window being displayed with some PICTs drawn into it.  If
the user clicks on a certain rectangular region of the PICT, as defined by
coordinates I provide, I want my application to do something.  So my
question is what can I do to determine if the click coordinates are within
the rectangle I want?  Thanks in advance for any help.

MRW

--
--Matthew R. Wilson ([e-mail])
--"Nothing Unreal Exists"
--http://www.teleport.com/~mwilson

+++++++++++++++++++++++++++

>From [e-mail] (Carl Gustafson)
Date: Tue, 05 Nov 1996 08:12:58 -0500
Organization: Imaging and Computer Vision Center, Drexel University

In article <[e-mail]>,
[e-mail] (Matthew R. Wilson) wrote:

> I have a normal window being displayed with some PICTs drawn into it.  If
> the user clicks on a certain rectangular region of the PICT, as defined by
> coordinates I provide, I want my application to do something.  So my
> question is what can I do to determine if the click coordinates are within
> the rectangle I want?  Thanks in advance for any help.

On a mouse-down event, use the where field of the event record to
determine where, then simply run through your list of rectangles using the
PtInRect() function. It returns a boolean.

--
Carl Gustafson
carl.gustafson at ece.drexel.edu
(busily trying to avoid spammers)
Imaging and Computer Vision Center
Drexel University, Philadelphia, Penna
- ----------------------------------------------------------
I don't speak for Drexel, and Drexel doesn't listen to me...

+++++++++++++++++++++++++++

>From [e-mail] (Freezer Burn)
Date: Thu, 07 Nov 1996 18:19:51 +0000
Organization: Insaneous Noise Systems

In article <[e-mail]>,
[e-mail] (Matthew R. Wilson) wrote:

> I have a normal window being displayed with some PICTs drawn into it.  If
> the user clicks on a certain rectangular region of the PICT, as defined by
> coordinates I provide, I want my application to do something.  So my
> question is what can I do to determine if the click coordinates are within
> the rectangle I want?  Thanks in advance for any help.

In a WaitNextEvent loop you'll receive various events. One of them is a
mouseDown event. Check if the mouseDown is in the window with the picture,
then convert the mouseLoc (in the event field) to local coordinates and
call PtInRect (or whatever that ToolBox function is called).

It's very easy, really,

Good luck,

Adriaan

______________________________________________________________

Cognitive Scientist & Mac Guru

Work:
   Cognitive Sciences Centre
   Department of Psychology
   University of Southampton
   United Kingdom

Homepages:
   work:    http://www.soton.ac.uk/~coglab/coglab
   life:    http://www.soton.ac.uk/~agt/
   Sonic:   http://www.soton.ac.uk/~agt/Sonic/

E-mail:
   [e-mail]
   [e-mail]
   [e-mail]
______________________________________________________________

--
<BOLD>procrastinate</BOLD> <ITALIC>v.</ITALIC>
<BR>
(<BOLD>-ting</BOLD>) defer action.
<BR><BR>
<BOLD>Usage</BOLD> <ITALIC>Procrastinate</ITALIC> is often confused
with <ITALIC>prevaricate</ITALIC> which means "to be evasive, quibble".
<BR><BR>
From: the Oxford Dictionary of Current English


+++++++++++++++++++++++++++

>From "Tedd F. Sperling" <[e-mail]>
Date: Mon, 11 Nov 1996 09:16:43 +0000
Organization: Sperling Corporation

Matthew R. Wilson wrote:
>
> I have a normal window being displayed with some PICTs drawn into it.  If
> the user clicks on a certain rectangular region of the PICT, as defined by
> coordinates I provide, I want my application to do something.  So my
> question is what can I do to determine if the click coordinates are within
> the rectangle I want?  Thanks in advance for any help.
>
> MRW
>
> --
> --Matthew R. Wilson ([e-mail])
> --"Nothing Unreal Exists"
> --http://www.teleport.com/~mwilson

Hi:

Check out PtInRect(pt,rect)

tedd

--
   ____
  |[  ]| mac programmer                             tedd f. sperling
  |[__]|                               mailto: [e-mail]
  |___-|                http://www.sojourn.com/~sperling/resume.html
- -

---------------------------

>From [e-mail] (Warren Stone)
Subject: Help with coding paint fill function
Date: 7 Nov 1996 15:39:54 GMT
Organization: Bell-Northern Research Ltd.

My daughter is taking her first programming class and they are using Turbo
Pascal so I'm trying to write some equivalent routines in CodeWarrior Pascal so
she can do some work at home. TP has the procedure:

FloodFill (X, Y, Color)

Which basically performs the MacPaint paint bucket tool function. I haven't
played around with Mac programming for a few years, can anyone help me out with
either Pascal or C code to create this function?

Please email me or post.

Thanks,
Warren
[e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (Joe Zobkiw)
Date: Sat, 09 Nov 1996 15:36:56 -0500
Organization: TripleSoft Inc.

In article <55svsa$[e-mail]>, [e-mail] (Warren Stone) wrote:

> My daughter is taking her first programming class and they are using Turbo
> Pascal so I'm trying to write some equivalent routines in CodeWarrior
Pascal so
> she can do some work at home. TP has the procedure:
>
> FloodFill (X, Y, Color)
>
> Which basically performs the MacPaint paint bucket tool function. I haven't
> played around with Mac programming for a few years, can anyone help me
out with
> either Pascal or C code to create this function?

Check these out:

 <http://vision.dai.ed.ac.uk/andrewfg/graphics/floodfill.html>

 <http://vision.dai.ed.ac.uk/andrewfg/c-g-a-faq.html>

Joe Zobkiw                     <mailto:[e-mail]>
TripleSoft Inc.                  <http://www.triplesoft.com/>
Macintosh Software Development & Internet Publishing Services
- -----------------------------------------------------------
Macintosh Programmers:  <http://www.triplesoft.com/fragment/>
Macintosh WebMasters: <http://www.triplesoft.com/screenview/>
Personal Page:         <http://www.triplesoft.com/zobintosh/>

+++++++++++++++++++++++++++

>From [e-mail] (Scott Squires)
Date: Sun, 10 Nov 1996 15:07:57 -0800
Organization: Puffin Designs

In article <55svsa$[e-mail]>,
[e-mail] (Warren Stone) wrote:

>My daughter is taking her first programming class and they are using Turbo
>Pascal so I'm trying to write some equivalent routines in CodeWarrior Pascal so
>she can do some work at home. TP has the procedure:
>
>FloodFill (X, Y, Color)
>
>Which basically performs the MacPaint paint bucket tool function. I haven't
>played around with Mac programming for a few years, can anyone help me out with
>either Pascal or C code to create this function?
>

Check out SeedCFill, CopyMask, CalcMask(?).

-scott


Scott Squires               "Insert funny stuff here"
[e-mail]
[e-mail]


---------------------------

>From Kenneth Lu <[e-mail]>
Subject: Memory Usage Reporter Utility?
Date: Wed, 06 Nov 1996 18:48:39 -0500
Organization: M.I.T.

Does anyone know of any program that would allow me to determine peak
memory usage in a program I write?

I want something that'll run in the background and bascially monitor the
same thing that the About this Mac dialog monitors (if you use balloon
help) and tell me the most memory a particular program has used to date.

Otherwise, what is the best way to determine how much RAM my program
needs to be allocated? (besides trial and error).

BTW, please reply both to this group and via email.

Thanks.

-ToastyKen

- -----------------------------
| Kenneth Lu -- [e-mail] |
- -----------------------------

+++++++++++++++++++++++++++

>From [e-mail]
Date: 8 Nov 1996 03:57:03 GMT
Organization: America Online, Inc. (1-800-827-6364) (1.10)

One way would to not add any calls to MoreMasters(), use the program a lot
then drop into MacsBug and see how many calls to MoreMasters it makes and
go from their or use ZoneRanger or MemoryMine.

BBoppie

+++++++++++++++++++++++++++

>From [e-mail] (Kent Johnson)
Date: Fri, 8 Nov 1996 03:18:35 GMT
Organization: Transparent Language, Inc.

In article <[e-mail]>, [e-mail] wrote:

> Does anyone know of any program that would allow me to determine peak
> memory usage in a program I write?
>
> I want something that'll run in the background and bascially monitor the
> same thing that the About this Mac dialog monitors (if you use balloon
> help) and tell me the most memory a particular program has used to date.
>
> Otherwise, what is the best way to determine how much RAM my program
> needs to be allocated? (besides trial and error).

Metrowerks ZoneRanger is an easy way to look at the free memory at any
time. It doesn't keep a high-water mark but it does help you understand
how your memory is being used. You can also use Macsbug to monitor the
heap though it is not nearly as convenient.

I think the MW Profiler tells you the max stack used and MW DebugNew can
tell you the most that was allocated with operator new.

None of these does exactly what you want but they might help.

Kent Johnson                                [e-mail]
Transparent Language, Inc.                http://www.transparent.com

---------------------------

>From "Kolbjørn Aambø" <[e-mail]>
Subject: Native JAVA on Macintosh?
Date: 7 Nov 96 14:16:53 +0100
Organization: University of Oslo, Norway


Since Java seem to be a more wholeheartly attemt to implement the first
Object Oriented Language Simula-67 than both Object-Pascal and the rather
erratic C++, and therefore should be expected to be more stable and
understandable I would hope that Apple could re-implemet its system to have
a JAVA API. Since Apple seem to take the JAVA sereously that don't seem to
be the most farfetched of ideas. Is there any chance that this will happen?
After all Apple have officially stated that the Macintosh will be turned
into the best of Java Machines. What would then be more natural than to
give it all a fresh JAVA API?

Will CodeWarrior then please consider to compile into Native for Macintosh
Applications and Opendoc Live Objects?

Would not a JAVA implemetation give a easier treatment of UNICODE on the
Macintosh than further extension of a 12 years old pascal/assembly
framework?


- -------------------------------------------------------
-- The Macintosh is bad enough...
- -------------------------------------------------------




+++++++++++++++++++++++++++

>From [e-mail] (Gordon Tillman)
Date: Thu, 07 Nov 1996 08:37:48 -0500
Organization: n/a

Hi Kolbjørn,

You had asked about Java on the Macintosh...

Take a look at Apple's site, URL:

    http://devtools.apple.com/mrj/

They have their latest relase of the Mac OS for Java and their SDK.  I
think you will find what you are looking for there.

As a side note: I have found Apple's Java runtime to be the best of all
that I have tried.  These include:

    Netscape Navigator's 3.01
    Roaster DR2.3
    JDK 1.02


Regards,

Gordon Tillman ([e-mail])

+++++++++++++++++++++++++++

>From [e-mail] (Greg)
Date: 10 Nov 1996 00:58:21 GMT
Organization: Best Internet Communications

Gordon Tillman ([e-mail]) wrote:
: Hi Kolbjørn,

: You had asked about Java on the Macintosh...

: Take a look at Apple's site, URL:

:     http://devtools.apple.com/mrj/

On a related note, I had compiled some Java apps on a unix box and then
FTP's them through to the Mac, on which I had installed the MRJ upgrade,
but the Java class file is not automatically recognized as a Java file. I
am sure that this is some dumb mistake on my part, but how do you manually
change the file type to be a Java executable if the class file was not
compiled on the Mac?
Thanks for any help
Greg

+++++++++++++++++++++++++++

>From [e-mail] (Gordon Tillman)
Date: Sat, 09 Nov 1996 20:42:40 -0500
Organization: n/a

Hi Greg,

You had asked:

> On a related note, I had compiled some Java apps on a unix box and then
> FTP's them through to the Mac, on which I had installed the MRJ upgrade,
> but the Java class file is not automatically recognized as a Java file. I
> am sure that this is some dumb mistake on my part, but how do you manually
> change the file type to be a Java executable if the class file was not
> compiled on the Mac?

Off the top of my head I do not know what Finder creator type you need to
use for Apple's runtime.  You should be able to "drag and drop" the class
or html file onto the the "Apple Applet Runner" icon and have it open the
file OK.

If you have a fairly recent version of the Mac OS installed; that is, one
that has the Macintosh Easy Open control panel loaded, then the first time
you double-click on a class file (and maybe also on an html file -- not
sure about that)  easy open should display a dialog box asking you which
application you wish to use.  Just select the Apple Apple Runner and from
that point on it should "remember" that setting.

--gordon

---------------------------

>From Eric Conger <[e-mail]>
Subject: PBCatSearch
Date: Tue, 05 Nov 1996 23:43:20 -0500
Organization: YOERIC Corporation

I am trying to do a volume search using PBCatSearch.  I want to get all
of the inforamtion for a given file type OR creator.  For example if I
want to get all of the APPL or if I want all of the TEXT.  The question
is how do I tell PBCatSearch to wildcard the creator or file type?

So far, I have set up my search1Rec and search2Rec so that search 1
contains the filetype and search 2 has the 0xffffffff mask in the finder
info struct.  I don't know what to put in the creator to make it work.

Any suggestions would be appreciated.

Thanks,
Susan G. Conger
YOERIC Corporation

+++++++++++++++++++++++++++

>From Conal Walsh <[e-mail]>
Date: Fri, 8 Nov 1996 12:37:49 +1100
Organization: Telstra

On Tue, 5 Nov 1996, Eric Conger wrote:

> I am trying to do a volume search using PBCatSearch.  I want to get all
> of the inforamtion for a given file type OR creator.  For example if I
> want to get all of the APPL or if I want all of the TEXT.  The question
> is how do I tell PBCatSearch to wildcard the creator or file type?
>
> So far, I have set up my search1Rec and search2Rec so that search 1
> contains the filetype and search 2 has the 0xffffffff mask in the finder
> info struct.  I don't know what to put in the creator to make it work.
>
> Any suggestions would be appreciated.
>

If you have access to CodeWarrior, there is an example that demonstrates
PBCatSearch() and the thread manager. I think the example is just called
"PBCatSearch".

Regards

  /||\     Conal Walsh
 / ||/     Correct Procedures Pty Ltd     Engineering and Consultancy
 \ ||      Sydney, Australia              Services for the
  \||      [e-mail]          Telecommunications Industry

"Some people live in the fast lane; I live in the oncoming traffic."


+++++++++++++++++++++++++++

>From [e-mail]
Date: 9 Nov 1996 04:56:36 GMT
Organization: America Online, Inc. (1-800-827-6364) (1.10)

Susan G. Conger wrote:
>I am trying to do a volume search using PBCatSearch.  I want to
>get all of the inforamtion for a given file type OR creator.
>For example if I want to get all of the APPL or if I want all of
>the TEXT.  The question is how do I tell PBCatSearch to wildcard
>the creator or file type?
>
>So far, I have set up my search1Rec and search2Rec so that
>search 1 contains the filetype and search 2 has the 0xffffffff
>mask in the finder info struct.  I don't know what to put in the
>creator to make it work.
>
>Any suggestions would be appreciated.

Get MoreFiles <ftp://members.aol.com/JumpLong/MoreFiles_1.4.3.sea.hqx> and
look in the file Search.c at the function CreatorTypeFileSearch. It shows
how to do just what you asked for.

- Jim Luther


---------------------------

>From [e-mail] (Fridtjof Siebert)
Subject: PEF file format documentation required
Date: Tue, 12 Nov 1996 00:34:48 +0100
Organization: Comp.Center (RUS), U of Stuttgart, FRG

I am looking for documentation on the Preferred Executable Format. I have
Inside-Mac: PPC System Software and MPW here, but I couldn¥t find any
detailed information on the format.

Thanks for your help,

Fridtjof Siebert

--
[e-mail]

+++++++++++++++++++++++++++

>From Steven Kortze <[e-mail]>
Date: Mon, 11 Nov 1996 20:12:48 +0000
Organization: Erol's Internet Services

Fridtjof Siebert wrote:
>
> I am looking for documentation on the Preferred Executable Format. I have
> Inside-Mac: PPC System Software and MPW here, but I couldn¥t find any
> detailed information on the format.
>
> Thanks for your help,
>
> Fridtjof Siebert
>
> --
> [e-mail]

Apple has a software licensing page where you basically select the case
that suits you: using the PEF spec for an Apple (i.e. Macintosh) or
non-Apple (such as Be) platform. The URL is
http://www.devworld.apple.com/mkt/registering/swl/agreements.html#pef.
The licensing fee is ...$0! I downloaded my copy of the PEF spec last
week.

Good luck,
Steve

+++++++++++++++++++++++++++

>From [e-mail] (Joe Zobkiw)
Date: Mon, 11 Nov 1996 20:45:00 -0500
Organization: TripleSoft Inc.

In article <[e-mail]>,
[e-mail] (Fridtjof Siebert) wrote:

> I am looking for documentation on the Preferred Executable Format. I have
> Inside-Mac: PPC System Software and MPW here, but I couldn¥t find any
> detailed information on the format.

Go here:

  <http://devworld.apple.com/mkt/registering/swl/agreements.html#pef>

- -----------------------------------------------------------
Joe Zobkiw                     <mailto:[e-mail]>
TripleSoft Inc.                  <http://www.triplesoft.com/>
Macintosh Software Development & Internet Publishing Services
- -----------------------------------------------------------
Macintosh Programmers:  <http://www.triplesoft.com/fragment/>
Macintosh WebMasters: <http://www.triplesoft.com/screenview/>
Personal Page:         <http://www.triplesoft.com/zobintosh/>

---------------------------

>From [e-mail] (Phil Weiss)
Subject: PICT or Image manipulation libraries
Date: Thu, 24 Oct 1996 16:22:25 -0500
Organization: PDM

  Anyone know of a library or sources that will manipulate a PICT or PixMap?

  Especially, changing the brightness, contrast, or color?


Thanks,

Phil
e-mail: [e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (Roy Glikin)
Date: Sat, 02 Nov 1996 12:38:00 -0500
Organization: IDT

The standard application to perform the functions you require is Adobe's
Photoshop.  Even the LE versions, will perform these basic corrections.

In article <[e-mail]>,
[e-mail] (Phil Weiss) wrote:

>   Anyone know of a library or sources that will manipulate a PICT or PixMap?
>
>   Especially, changing the brightness, contrast, or color?
>
>
> Thanks,
>
> Phil
> e-mail: [e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (Dave Johnson)
Date: Wed, 06 Nov 1996 11:47:15 -0800
Organization: Apple Computer, Inc.

In article <[e-mail]>,
[e-mail] (Roy Glikin) wrote:

> The standard application to perform the functions you require is Adobe's
> Photoshop.  Even the LE versions, will perform these basic corrections.
>
> In article <[e-mail]>,
> [e-mail] (Phil Weiss) wrote:
>
> >   Anyone know of a library or sources that will manipulate a PICT or PixMap?
> >
> >   Especially, changing the brightness, contrast, or color?
> >
> >
> > Thanks,
> >
> > Phil
> > e-mail: [e-mail]

I think he wants code: there are several articles in develop magazine
(with accompanying code) about this sort of thing. In particular, look at
issue 10, "Drawing in GWorlds for Speed and Versatility"

Dave Johnson

+++++++++++++++++++++++++++

>From [e-mail] (Mauricio Tavares)
Date: 10 Nov 1996 17:23:22 GMT
Organization: University of Florida

Roy Glikin ([e-mail]) wrote:
: The standard application to perform the functions you require is Adobe's
: Photoshop.  Even the LE versions, will perform these basic corrections.
:
: In article <[e-mail]>,
: [e-mail] (Phil Weiss) wrote:
:
: >   Anyone know of a library or sources that will manipulate a PICT or PixMap?
: >
: >   Especially, changing the brightness, contrast, or color?
: >
    That may be so.  However, I do believe the original poster said
he wanted *a library* as opposite to *an application*.  When you say
library, you usually have a program you wrote (or is trying to) and you
would like to do some sort of manipulation without having to reinvent
the wheel.  For instance, someone creating an image processing program
may be interested in finding a wavelet/Fourier library.

--
 ===========================+==========================================
| Mauricio Tavares          | "We will attack...                       |
| [e-mail] |  ...under the cover of daylight!" Rimmer |
 ===========================+==========================================

+++++++++++++++++++++++++++

>From [e-mail] (David Elliott)
Date: Sun, 10 Nov 1996 17:47:58 GMT
Organization: NETCOM On-line Communication Services (408 261-4700 guest)

In article <56532b$[e-mail]>,
Mauricio Tavares <[e-mail]> wrote:
>Roy Glikin ([e-mail]) wrote:
>: The standard application to perform the functions you require is Adobe's
>: Photoshop.  Even the LE versions, will perform these basic corrections.
>:
>: In article <[e-mail]>,
>: [e-mail] (Phil Weiss) wrote:
>:
>: >   Anyone know of a library or sources that will manipulate a PICT or PixMap?
>: >
>: >   Especially, changing the brightness, contrast, or color?
>: >
>    That may be so.  However, I do believe the original poster said
>he wanted *a library* as opposite to *an application*.  When you say
>library, you usually have a program you wrote (or is trying to) and you
>would like to do some sort of manipulation without having to reinvent
>the wheel.

True enough, but I don't think it's fair to come down on Roy this way.

Phil's mistake was to include comp.sys.mac.graphics in his newsgroups.
Comp.sys.mac.graphics is really not a programming newsgroup - it is
frequented by users of graphics applications.  Given that, Roy's answer
is not unexpected, despite the wording of the original question.

--
David Elliott - [e-mail]

Visit The Land of the Squishy - http://www.btw.com/dce/

---------------------------

>From [e-mail] (Thomas Pˆtzl)
Subject: Path to the preferences folder ?
Date: Sun, 10 Nov 1996 10:57:40 +0100
Organization: Comp.Center (RUS), U of Stuttgart, FRG

hello,

How can I get the path to the preferences folder without having the name
of the boot volume ?

Thanks for your help
Thomas

+++++++++++++++++++++++++++

>From [e-mail] (Lev Knopov)
Date: Sun, 10 Nov 1996 12:18:47 +0200
Organization: Scitex Corporation Ltd.

In article
<[e-mail]>,
[e-mail] (Thomas Pˆtzl) wrote:

> hello,
>
> How can I get the path to the preferences folder without having the name
> of the boot volume ?
>
> Thanks for your help
> Thomas


Use
pascal OSErr FindFolder(short vRefNum,OSType folderType,
                        Boolean createFolder,
                        short *foundVRefNum, short *foundDirID);

from Folders.h with kExtensionFolderType as folderType.

--
  //\\   Lev Knopov
  \\//   Scitex Israel
///  \\\ [e-mail]

+++++++++++++++++++++++++++

>From David Gillies <[e-mail]>
Date: Mon, 11 Nov 1996 21:44:33 +0000
Organization: University of Bradford

Lev Knopov wrote:
>
> In article
> <[e-mail]>,
> [e-mail] (Thomas Pˆtzl) wrote:
>
> > hello,
> >
> > How can I get the path to the preferences folder without having the name
> > of the boot volume ?
> >
> > Thanks for your help
> > Thomas
>
> Use
> pascal OSErr FindFolder(short vRefNum,OSType folderType,
>                         Boolean createFolder,
>                         short *foundVRefNum, short *foundDirID);
>
> from Folders.h with kExtensionFolderType as folderType.
>
Errm, that should be kPreferencesFolderType.
--
______________________________________________________________________
David A. G. Gillies                        ([e-mail])
      University of Bradford, Bradford, West Yorkshire, England
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

---------------------------

>From [e-mail] (Carlos Gonzalez)
Subject: Problem w- PICT resource
Date: Mon, 11 Nov 1996 23:10:14 -0800
Organization: Sprynet News Service

Hello all,

I have what I believe to be a simple problem, and I hope someone has an
answer that will make me slap my forehead and say, "Duh!".  I am simply
loading a PICT from my resource file into an offscreen world and then
CopyBits-ing it to my main window.  This was working fine, but I then
changed the PICT, making it bigger inthe process.  The problem is that my
program seems to insist on using the old resource.  I say this because
when I copy to the main window, I get garbage in the regions where there
should be new image data.  I simply use GetPicture to load the PICT into
my offscreen world, and then I use good ol' CopyBits to copy from the
offscreen world to the main window.  I'm at my wit's end.  I've checked
all my Rects, and they're all correct.  I pass CopyBits what the new Rect
should be (that is, the new, larger image) but it only draws the old image
plus garbage.  I've tried creating a new resource, re-pasting the image
into it, and then using that new ID, but I get the same behavior.  Any
suggestions would be much appreciated.  Thank you very much.


Carlos Gonzalez
[e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (Hugh Johnson)
Date: Tue, 12 Nov 1996 09:04:23 -0500
Organization: AT&T WorldNet Services

In article <carlos-1111962310150001@206.175.97.3>, [e-mail]
(Carlos Gonzalez) wrote:

> Hello all,
>
> I have what I believe to be a simple problem, and I hope someone has an
> answer that will make me slap my forehead and say, "Duh!".  I am simply
> loading a PICT from my resource file into an offscreen world and then
> CopyBits-ing it to my main window.  This was working fine, but I then
> changed the PICT, making it bigger inthe process.  The problem is that my
> program seems to insist on using the old resource.  I say this because
> when I copy to the main window, I get garbage in the regions where there
> should be new image data.  I simply use GetPicture to load the PICT into
> my offscreen world, and then I use good ol' CopyBits to copy from the
> offscreen world to the main window.  I'm at my wit's end.  I've checked
> all my Rects, and they're all correct.  I pass CopyBits what the new Rect
> should be (that is, the new, larger image) but it only draws the old image
> plus garbage.  I've tried creating a new resource, re-pasting the image
> into it, and then using that new ID, but I get the same behavior.  Any
> suggestions would be much appreciated.  Thank you very much.

Check all your rects _again_, check them 3 times after that, and check 'em
once more for good measure.

If rects aren't the problem, then the only possible problem is that your
compiler isn't updating the copy of the PICT resource that it's using for
the DrawPicture call. Go into your "Make" command and make sure the
compiler knows that you've changed that resource!

--
The universe is a figment of it's own imagination.

+++++++++++++++++++++++++++

>From [e-mail] (Scott Squires)
Date: Tue, 12 Nov 1996 07:48:16 -0800
Organization: Puffin Designs

In article <carlos-1111962310150001@206.175.97.3>,
[e-mail] (Carlos Gonzalez) wrote:

>Hello all,
>
>I have what I believe to be a simple problem, and I hope someone has an
>answer that will make me slap my forehead and say, "Duh!".  I am simply
>loading a PICT from my resource file into an offscreen world and then
>CopyBits-ing it to my main window.  This was working fine, but I then
>changed the PICT, making it bigger inthe process.  The problem is that my
>program seems to insist on using the old resource.  I say this because
>when I copy to the main window, I get garbage in the regions where there
>should be new image data.  I simply use GetPicture to load the PICT into
>my offscreen world, and then I use good ol' CopyBits to copy from the
>offscreen world to the main window.  I'm at my wit's end.  I've checked
>all my Rects, and they're all correct.  I pass CopyBits what the new Rect
>should be (that is, the new, larger image) but it only draws the old image
>plus garbage.  I've tried creating a new resource, re-pasting the image
>into it, and then using that new ID, but I get the same behavior.  Any
>suggestions would be much appreciated.  Thank you very much.

> The problem is that my
>program seems to insist on using the old resource.

Are you using the same PicHandle? Or modifying the picture resource
without saving it out?

>I get garbage in the regions where there
>should be new image data.

Did you increase the size of the GWorld to the new picture size?
Try doing an EraseRect on the GWorld before copying the pict over.
Make sure you SetGWorld correctly before drawing.

-scott


Scott Squires               "Insert funny stuff here"
[e-mail]
[e-mail]


---------------------------

>From [e-mail] (Andrew W. McClain)
Subject: Questions about shareware copyrights
Date: Thu, 31 Oct 1996 18:29:26 -0500
Organization: Illinois Internet Communications, Inc.

How much does a shareware copyright cost, how does one get one, and is it
really necessary?

+++++++++++++++++++++++++++

>From [e-mail] (Jerry Whitnell)
Date: Sat, 02 Nov 1996 19:36:24 -0800
Organization: First Virtual Corp

In article <amcclain-3110961829270001@206.62.101.63>, [e-mail] (Andrew W. McClain) wrote:

> How much does a shareware copyright cost, how does one get one, and is it
> really necessary?

Run, do not walk, and buy a copy of Copyright Your Software by Stephen Fishman.  Published by Nolo Press, ISBN: 0-87337-260-3   http://www.nolo.com/item/cys.html.

--
Jerry Whitnell                               First Virtual Corp
[e-mail]   ** I don't buy anything marketed by junk email. **

+++++++++++++++++++++++++++

>From [e-mail] (Bill Hofmann)
Date: Sun, 03 Nov 1996 13:52:55 -0800
Organization: Cypress Research

In article <amcclain-3110961829270001@206.62.101.63>, [e-mail]
(Andrew W. McClain) wrote:
 > How much does a shareware copyright cost, how does one get one, and is it
 > really necessary?

A copyright costs nothing, as other respondents have pointed out.
Registering a copyright with the US Copyright Office costs $20 or so.
It's fairly easy, and what it does (besides get you junk mail) is gives
you the right to collect punitive damages should someone pirate your work
(and you sue and win).

What you should be sure to do is put "Copyright <date> <your name>"
somewhere in your program: the about box is one place, the 'vers' resource
another.

Filing a copyright is easy, there's fairly clear documentation in the
packet you can get from the copyright office.  Essentially, you send a
copy of the source code.  You can omit portions if they contain trade
secrets, there are exact details in the documentation.

-Bill

+++++++++++++++++++++++++++

>From [e-mail] (Andre-John Mas)
Date: Mon, 4 Nov 1996 23:13:48 +0100
Organization: SCT / Worldnet - Internet Provider & Information Exchange - Paris, France

Andrew W. McClain <[e-mail]> wrote:

> How much does a shareware copyright cost, how does one get one, and is it
> really necessary?

If I were to send my self a sealed registered letter, that I did not
open would that help me in a copyright case.  The registered letter
would contain everything to do with the software, source code, docs and
so on.

Thanks

Andre-John

--
 >------------------------------  ,,,, --------------------------------<
          Andre-John MAS         - -     Smail: 821, Chemin du Riou
   Email : [e-mail]      L        06140 Vence, France
>------------------------------   -   --------------------------------<
 Tel/Fax  : [phone]     http://myweb.worldnet.fr/~ajmas/

+++++++++++++++++++++++++++

>From Jackson Software Development <[e-mail]>
Date: 5 Nov 1996 14:55:30 GMT
Organization: Jackson Software

In article <[e-mail]> Andre-John Mas,
[e-mail] writes:
>If I were to send my self a sealed registered letter, that I did not
>open would that help me in a copyright case.  The registered letter
>would contain everything to do with the software, source code, docs and
>so on.

I don't know the law in France, and I barely know it in the US, but in
the US this doesn't gain you anything from what I've heard. If you're
going to spend the money to send yourself registered mail, just spend the
extra couple of dollars and register it with Copyright office.

Darrin

+++++++++++++++++++++++++++

>From [e-mail]
Date: 8 Nov 1996 20:51:07 GMT
Organization: Deja News USENET Posting Service

In article <55nkh2$[e-mail]>, Jackson Software Development <[e-mail]> wrote:

> In article <[e-mail]> Andre-John Mas,
> [e-mail] writes:
> >If I were to send my self a sealed registered letter, that I did not
> >open would that help me in a copyright case.  The registered letter
> >would contain everything to do with the software, source code, docs and
> >so on.
>
> I don't know the law in France, and I barely know it in the US, but in
> the US this doesn't gain you anything from what I've heard. If you're
> going to spend the money to send yourself registered mail, just spend the
> extra couple of dollars and register it with Copyright office.
>
> Darrin
Where the sending yourself registered mail works, is to establish piority of an
idea. More often used with patentable ideas than copyrights per se. It can still
be helpful in a lawsuit to establish priority of ownership. It is a standard
practice for r&d places to do this even while persuing a registered copyright or
patent. helps keep you covered while the paper work is processed. THe pont is only
the judge gets to open the independently ( by postal system) date stamped sealed
envelope.

Donald R Ricklin
http://www.nesc.org/~dricklin

- ---------------------------------------------------------------------
This article was posted to Usenet via the Posting Service at Deja News:
http://www.dejanews.com/           [Search, Post, and Read Usenet News]

+++++++++++++++++++++++++++

>From [e-mail] (Michael Kamensky)
Date: 10 Nov 1996 08:43:35 GMT
Organization: Los Angeles Macintosh Group BBS

[e-mail],Internet writes:
In article <55nkh2$[e-mail]>, Jackson Software Development
<[e-mail]> wrote:

> In article <[e-mail]> Andre-John Mas,
> [e-mail] writes:
> >If I were to send my self a sealed registered letter, that I did not
> >open would that help me in a copyright case.  The registered letter
> >would contain everything to do with the software, source code, docs and
> >so on.
>
> I don't know the law in France, and I barely know it in the US, but in
> the US this doesn't gain you anything from what I've heard. If you're
> going to spend the money to send yourself registered mail, just spend the
> extra couple of dollars and register it with Copyright office.
>
> Darrin
Where the sending yourself registered mail works, is to establish piority of
an
idea. More often used with patentable ideas than copyrights per se. It can
still
be helpful in a lawsuit to establish priority of ownership. It is a standard
practice for r&d places to do this even while persuing a registered copyright
or
patent. helps keep you covered while the paper work is processed. THe pont is
only
the judge gets to open the independently ( by postal system) date stamped
sealed
envelope.
- -----------------

I agree with this, I come from a freelance writing background and authors
often do this to establish a kind of "born-on" date for their work (god, I'm
going to get sick of that term from all the beer commercials!). Under current
copyright law, any original idea or work is immediately protected by
copyright once it's put in the format of a fixed media (words on paper, bits
on disk, etc.) Registering with the Copyright Office and mailing things back
to yourself primarily helps to establish ownership of a property in case of
an infringement.

-Michael

---------------------------

>From [e-mail] (Tim Cramer)
Subject: QuickBASIC can't handle 32bit adressing
Date: Fri, 01 Nov 1996 11:55:10 -0700
Organization: Northwest Link

I apology to any who read this for using a non-popular language, but I
have an extensive collection of MS QuickBasic programs, and converting
them all would be a huge project.  Microsoft seems to have pushed this
product from its corporate mind.

When loading a Basic program from the desktop with 32 bit addressing
enabled, an immediate error 1 occurs.  Does anyone have a patch or
workaround?

Thanks for your patience.

+++++++++++++++++++++++++++

>From [e-mail] (David Stone)
Date: Mon, 4 Nov 1996 14:05:51 GMT
Organization: University of Toronto Chemistry

In article <[e-mail]>,
[e-mail] (Tim Cramer) wrote:
>
> I apology to any who read this for using a non-popular language, but I
> have an extensive collection of MS QuickBasic programs, and converting
> them all would be a huge project.  Microsoft seems to have pushed this
> product from its corporate mind.
>
> When loading a Basic program from the desktop with 32 bit addressing
> enabled, an immediate error 1 occurs.  Does anyone have a patch or
> workaround?
>


I've seen a number of people refer to a product called FutureBASIC.  Your
best bet is probably to track this down and use it instead.  You may
have some recoding to do of your libraries, but it will undoubtedly be
quicker than rewriting them all in Pascal or C/C++.

Dave Stone

+++++++++++++++++++++++++++

>From "Tedd F. Sperling" <[e-mail]>
Date: Mon, 04 Nov 1996 21:36:50 +0000
Organization: Sperling Corporation

David Stone wrote:
>
> In article <[e-mail]>,
> [e-mail] (Tim Cramer) wrote:
> >
> > I apology to any who read this for using a non-popular language, but I
> > have an extensive collection of MS QuickBasic programs, and converting
> > them all would be a huge project.  Microsoft seems to have pushed this
> > product from its corporate mind.
> >
> > When loading a Basic program from the desktop with 32 bit addressing
> > enabled, an immediate error 1 occurs.  Does anyone have a patch or
> > workaround?
> >
>
> I've seen a number of people refer to a product called FutureBASIC.  Your
> best bet is probably to track this down and use it instead.  You may
> have some recoding to do of your libraries, but it will undoubtedly be
> quicker than rewriting them all in Pascal or C/C++.
>
> Dave Stone

--

Hi:

Dave is right. Check out:

http://www.stazsoftware.com/

I highly recommend the language.


tedd


   ____
  |[  ]| mac programmer                             tedd f. sperling
  |[__]|                               mailto: [e-mail]
  |___-|                http://www.sojourn.com/~sperling/resume.html
- -

+++++++++++++++++++++++++++

>From neuron@[e-mail] (neuron)
Date: 6 Nov 1996 07:13:29 GMT
Organization: neuron, technology consultants

I wonder if there is any way to host QBasic on a Macintosh with 32 bit
operation, Virtual Memory and the 68040 caches all in operation at the
same time.

It would seem to me that if one can host emulators and such in the
environment, there surely must be some way to do this for QBasic.

Anyone care to comment? Any ideas? What kind of a run time environment
would we need to create? How would we trap the QBasic calls to the OS
and then make them call the OS in a clean manner?

Would there anyone interested in colaborating on such a project?

Regards, rtt.

This MIND left BLANK Intentionally!

+++++++++++++++++++++++++++

>From [e-mail]
Date: 9 Nov 96 19:27:37 -0500
Organization: mich.com, Inc. Farmington, MI


--Cyberdog-AltBoundary-0001587A
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

We all hate "Me too" posts, but I just must say that FutureBasic is
the best thing that ever happened to me Mac-wise.

I want to let any beginning Mac programmers that this product is
perhaps the best $200 or so that you can spend. Learn the Mac Toolbox
and modular programming without having to learn C on top of it. I
never could have done the things I've done on a Mac without it, and it
comes with full printed documentation, and the best, most immediate
tech support you're likely to find anyware, included free.

I ramble like this because I had never even heard of this development
environment before my boss showed me a direct mailing he had received
from Staz Software, and it seems a crime that more programmers perhaps
aren't aware of this excellent, real live Mac application-producing
environment with line-by-line debugging and MacsBug support.

PB


--Cyberdog-AltBoundary-0001587A
Content-Type: multipart/mixed; boundary="Cyberdog-MixedBoundary-0001587A"
Content-Transfer-Encoding: 7bit


--Cyberdog-MixedBoundary-0001587A
Content-Type: text/enriched; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<X-FONTSIZE><PARAM>12</PARAM><FONTFAMILY><PARAM>Geneva</PARAM>We all
hate "Me too" posts, but I just must say that FutureBasic is the best
thing that ever happened to me Mac-wise.


I want to let any beginning Mac programmers that this product is
perhaps the best $200 or so that you can spend. Learn the Mac Toolbox
and modular programming without having to learn C on top of it. I
never could have done the things I've done on a Mac without it, and it
comes with full printed documentation, and the best, most immediate
tech support you're likely to find anyware, included free.


I ramble like this because I had never even heard of this development
environment before my boss showed me a direct mailing he had received
from Staz Software, and it seems a crime that more programmers perhaps
aren't aware of this excellent, real live Mac application-producing
environment with line-by-line debugging and MacsBug support.


PB</FONTFAMILY></X-FONTSIZE>
--Cyberdog-MixedBoundary-0001587A--

--Cyberdog-AltBoundary-0001587A--


---------------------------

>From [e-mail] (Scott Lahteine)
Subject: SpriteWorld 2 kludges and add-ons
Date: Tue, 5 Nov 1996 01:10:38 GMT
Organization: Hot Eggs

Hi!

     I've been playing around with SpriteWorld 2 of late and enjoying the
ease at last.  I'm wondering if anyone has patched it for special purpose
stuff.  As an example, I wrote a routine to make a PICT into a sprite,
then use that sprite to fill the background grafport (with an optional
cliprect for good measure).  It's built around this little thing:

void DrawSpriteToBack(SpriteWorldPtr pSW, SpritePtr pSprite)
{
     (*pSprite->frameDrawProc)
          (pSprite->curFrameP, pSW->backFrameP,
          &pSprite->curFrameP->frameRect, &pSprite->destFrameRect);
}


     You just offset the rect as you go in a 2D loop, then SWUpdateSpriteWorld.

--
     For the program I'm working on I need to do a major patch that lets
you specify what part of a "virtual bitmap" is displayed in the window.
The single x-y offset is subtracted from the coordinates of all sprites as
they're drawn.

     This is only practical for displays made up entirely of sprites, like
a huge scrolling spacefield.  And the limit in size: 65536 x 65536 (about
100 x 80 screens).

     Of course it isn't working yet!  But it's one of those neat ideas so
I thought I'd throw it out there.

--
     Another useful routine makes a display out of a group of sprites
using a table, draws one frame, then stamps it on the background and
disposes of the sprites.  This is a nifty way to make static backgrounds
that are a little more flexible than fixed-size tiles.

--
     Coming from an Amiga world I appreciate finding SpriteWorld just as I
arrived in MacLand.  With a few more patches it would make a worthy system
extension, no?  Anyone feel like getting up a petition? :)
--
- scott                             [e-mail]

       "A painting of a rice cake does not satisfy hunger."

+++++++++++++++++++++++++++

>From [e-mail] (Matt Burch)
Date: Tue, 05 Nov 1996 13:32:26 -0700
Organization: Ambrosia Software

In article <[e-mail]>, [e-mail]
(Scott Lahteine) wrote:

>      I've been playing around with SpriteWorld 2 of late and enjoying the
> ease at last.  I'm wondering if anyone has patched it for special purpose
> stuff.

I haven't delved into it much, but for my next project I'm looking at
writing a 16-bit version of the animated starfield functions, so you can
call something equivalent to SWAnimate8BitStarfield and have it work in 16
bits. When I get time, that is. :)

- --------------------------------------------------------------------
Matt Burch            |   Associate Thaumaturgist, Ambrosia Software
[e-mail] | "If it's not on fire, it's a software problem"
- --------------------------------------------------------------------

+++++++++++++++++++++++++++

>From [e-mail] (Hajime Inoue)
Date: 7 Nov 1996 00:41:30 GMT
Organization: University of Michigan EECS

Scott Lahteine ([e-mail]) wrote:
:
:      I've been playing around with SpriteWorld 2 of late and enjoying the
: ease at last.  I'm wondering if anyone has patched it for special purpose
: stuff.

I've been playing around with it to create a simple tank game.  It scrolls
with a background of tiles.  In order for the sprites to interact with the
tiles though, I've written a function that checks for a region collision
between the sprite's location and the tile.  Unfortunately, there's a bug.
I'm not sure why, but it doesn't work for all my tiles.  I'd be grateful
if someone could point out my mistake.  The listing is below.

My game also has a little health bar (alot like Command and Conquer) for
the sprites that don't die with one hit.  In order to do this I have a
sprite that's just a rectangular pict with a 3d frame.  I have a custom
drawing function that just calls the regular BlitPixieRoutine and then
using PaintRect to draw the health of the player.  This doesn't work well
unless I draw the sprite every frame.  Does someone know a better way?

Here's the code for checking a tile's mask against a sprites:
Boolean CheckCollision(SpriteWorldPtr spriteWorldP, SpritePtr srcSpriteP)
{
    Rect    SpriteRect;
    short    top,
        bottom,
        left,
        right;

    short    tileID;

    short    x,
        y;

    Rect    rgnRect;

    Boolean hasCollided = false;

    FramePtr    tileFrameP;

    Rect        test;

    top = srcSpriteP->destFrameRect.top / spriteWorldP->tileHeight;
    bottom = srcSpriteP->destFrameRect.bottom /
        spriteWorldP->tileHeight;

    left = srcSpriteP->destFrameRect.left / spriteWorldP->tileWidth;
    right = srcSpriteP->destFrameRect.right / spriteWorldP->tileWidth;

    if (bottom >= kTileMapRows )
        bottom = kTileMapRows-1;

    if (top < 0 )
        top = 0;

    if (right >= kTileMapCols )
        right = kTileMapCols-1;

    if ( left < 0 )
        left = 0;

    for(y=top; y <= bottom; y++)
        for(x=left; x <= right; x++)
        {
            tileID = spriteWorldP->tileMap[y][x];
            tileFrameP =
    spriteWorldP->tileFrameArray[spriteWorldP->curTileImage[tileID]];

            // Deal with tiles that have masks
            if ( !(tileFrameP->maskPort == NULL &&
                tileFrameP->maskRgn == NULL &&
                tileFrameP->tileMaskIsSolid == false) )
            {

                // Try moving sprite region mask to new
                // location
                rgnRect =
                (**srcSpriteP->curFrameP->maskRgn).rgnBBox;

                OffsetRgn(srcSpriteP->curFrameP->maskRgn,
                    (srcSpriteP->destFrameRect.left -
                    rgnRect.left) +
                    srcSpriteP->curFrameP->offsetPoint.h,
                    (srcSpriteP->destFrameRect.top -
                    rgnRect.top) +
                    srcSpriteP->curFrameP->offsetPoint.v);
                // Try moving tile sprite region mask to
                // new location
                CopyRgn( tileFrameP->maskRgn,
i                    gCollisionSpareRgn );

                rgnRect = (**gCollisionSpareRgn).rgnBBox;

                (**gCollisionSpareRgn).rgnBBox.top =
(**tileFrameP->maskRgn).rgnBBox.top + y*spriteWorldP->tileHeight;
                (**gCollisionSpareRgn).rgnBBox.bottom =
(**tileFrameP->maskRgn).rgnBBox.bottom + y*spriteWorldP->tileHeight;
                (**gCollisionSpareRgn).rgnBBox.left =
(**tileFrameP->maskRgn).rgnBBox.left + x*spriteWorldP->tileWidth;
                (**gCollisionSpareRgn).rgnBBox.right =
(**tileFrameP->maskRgn).rgnBBox.right + x*spriteWorldP->tileWidth;

                SectRgn(srcSpriteP->curFrameP->maskRgn,
                gCollisionSpareRgn, gCollisionSectRgn);

                if ( !EmptyRgn(gCollisionSectRgn))
                {
                    hasCollided = true;
                    // For testing purposes
                //    SWDrawTile(spriteWorldP, y, x,
                    kBlank);
                }

            }

        }
    return hasCollided;
}

And thanks to Tony, Karl, and Vern for such a great animation library.
Writing my own scrolling routines was killing me...

--
-Have Fun!
- ----------------------------------------------------
*  Hajime (Jim) Inoue    *  University of Michigan    *
*  [e-mail]    *  Undergrad Biophysics         *
- ----------------------------------------------------

---------------------------

>From James Munroe and Tricia O'Neill <[e-mail]>
Subject: String concatenation to pass to DrawString
Date: Wed, 06 Nov 1996 13:57:32 +0000
Organization: Total Net

How do you concatenate a string to pass to DrawString()? Sometimes it's
really useful for me to quickly create a dialog box or a window where some
subroutine performs a numerical calculation and converts the result to a
string literal. I can do that, but would rather not have to call
DrawString() twice. For instance, in AppleScript the syntax for
concatenating the string equivalent of a numerical calculation's result to an
existing text string would be, for instance,

display dialog "The square root of " & y & " is " & ((y ^ 0.5) as string)

My question centres around the C/C++ equivalent of the "&" operator, for
concatenation. I have tried using the "cout << " syntax, but this
<iostream.h> function doesn't seem to be compatible with calls to the Mac
Toolbox. If anyone can help, please e-mail me at
[e-mail]
or reply via this newsgroup - I will be checking it regularly.

Many thanks!

James.

+++++++++++++++++++++++++++

>From [e-mail] (Anders Wahlin)
Date: Thu, 07 Nov 1996 09:56:49 +0100
Organization: HDS

In article <[e-mail]>, James Munroe and Tricia
O'Neill <[e-mail]> wrote:

> How do you concatenate a string to pass to DrawString()?

Try this:

void  CatToTheEnd(Str255 mainString, Str255 newString) {
   short i, j;

   if (((j = newString[0]) + mainString[0]) > 255)
      j = 255 - mainString[0];
         /* Limit dest string to 255. */

   for (i = 0; i < j;) mainString[++mainString[0]] = newString[++i];
}


/Anders W.

+++++++++++++++++++++++++++

>From [e-mail] (Carl Gustafson)
Date: Mon, 11 Nov 1996 09:41:29 -0500
Organization: Imaging and Computer Vision Center, Drexel University

In article <[e-mail]>, James Munroe and Tricia
O'Neill <[e-mail]> wrote:

> How do you concatenate a string to pass to DrawString()? Sometimes it's
[snip]
> My question centres around the C/C++ equivalent of the "&" operator, for
> concatenation. I have tried using the "cout << " syntax, but this
> <iostream.h> function doesn't seem to be compatible with calls to the Mac
> Toolbox.

Presumably, you have Pascal-style strings you want to catenate. You can do
this the brute-force way, using a loop (or even BlockMoveData) to move
string B onto the end of string A, and fix up the length byte, or you can
use another brute force way by converting the strings to C-style strings
(p2cstr), catenating, and converting back (c2pstr).

HTH

--
Carl Gustafson
carl.gustafson at ece.drexel.edu
(busily trying to avoid spammers)
Imaging and Computer Vision Center
Drexel University, Philadelphia, Penna
- ----------------------------------------------------------
I don't speak for Drexel, and Drexel doesn't listen to me...

---------------------------

>From David Scott <[e-mail]>
Subject: SysBeep and PMac
Date: Thu, 31 Oct 1996 16:28:34 +0000
Organization: West.Net Communications

I have some code that I previously only run on a 68k machine. Just
before the program ends I have two calls to SysBeep.  When I run the
program on a Power Mac, only one of the beeps sound and it seems to be
only a portion of the sound.

I've been searching in IM and TechNotes but have not yet come up with
the answer.

Thank you.
--

 David Scott

 Photography     http://www.west.net/~dscott


+++++++++++++++++++++++++++

>From Jonathan Bamber <[e-mail]>
Date: Mon, 04 Nov 1996 10:58:38 +0000
Organization: J S Bamber PC Upgrades

Abigale wrote:
>
> This is not a problem with your powerMac it's the new sound Manager (your
> PowerMac will be using a later OS than your old Mac or at least will have
> the new sound manager). System Beeps are now played async, you get control
> back after it is called. putting a delay will cure this, or open your own
> sound channel and play the sound sync.
>
> Dave
>
> In article <[e-mail]>, [e-mail] wrote:
>
> > I have some code that I previously only run on a 68k machine. Just
> > before the program ends I have two calls to SysBeep.  When I run the
> > program on a Power Mac, only one of the beeps sound and it seems to be
> > only a portion of the sound.
> >
> > I've been searching in IM and TechNotes but have not yet come up with
> > the answer.
>
> --
>
> *** Libel Note :- any comments made are purely my personal opinions ***

this Dave talks a load of crap, get it together man.

the answer is  to install wick46



--
====================================================
Tel: [phone] Orange Mobile: [phone]
http://www.marsbzz.demon.co.uk/
Pager: set modem to: 8N1 (2400speed+) at 0973 100 602
Backup web site: http://cool.virtual-pc.com/alien/
JSBamber BBS 01772 788091 (8N1) at 9.30a.m. till
6.00p.m. Sunday only, please email for password.

+++++++++++++++++++++++++++

>From [e-mail] (Abigale)
Date: 3 Nov 1996 15:40:16 GMT
Organization: Direct Connection

This is not a problem with your powerMac it's the new sound Manager (your
PowerMac will be using a later OS than your old Mac or at least will have
the new sound manager). System Beeps are now played async, you get control
back after it is called. putting a delay will cure this, or open your own
sound channel and play the sound sync.

Dave






In article <[e-mail]>, [e-mail] wrote:

> I have some code that I previously only run on a 68k machine. Just
> before the program ends I have two calls to SysBeep.  When I run the
> program on a Power Mac, only one of the beeps sound and it seems to be
> only a portion of the sound.
>
> I've been searching in IM and TechNotes but have not yet come up with
> the answer.

--

*** Libel Note :- any comments made are purely my personal opinions ***

+++++++++++++++++++++++++++

>From [e-mail] (AndrewWelc)
Date: 2 Nov 1996 08:29:58 -0500
Organization: America Online, Inc. (1-800-827-6364)

> I have some code that I previously only run on a 68k machine. Just
before
> the program ends I have two calls to SysBeep.  When I run the program on
> a Power Mac, only one of the beeps sound and it seems to be only a
> portion of the sound.

Ya -- SysBeep() is asynch now.  You'll get control back immediately after
calling it.

+--------------------------------------------------------------+
|    Andrew Welch - Thaumaturgist - Ambrosia Software, Inc.    |
+-------------------------------+------------------------------+
|    AOL-> Keyword: Ambrosia    |  http://www.AmbrosiaSW.com/  |
|    CIS-> GO word: Ambrosia    |   ftp://ftp.AmbrosiaSW.com/  |
+-------------------------------+------------------------------+

+++++++++++++++++++++++++++

>From [e-mail] (Robert L Mathews)
Date: Fri, 08 Nov 1996 16:45:38 -0800
Organization: Theatrix Interactive

In article <[e-mail]>, [e-mail] wrote:

> I have some code that I previously only run on a 68k machine. Just
> before the program ends I have two calls to SysBeep.  When I run the
> program on a Power Mac, only one of the beeps sound and it seems to be
> only a portion of the sound.
>
> I've been searching in IM and TechNotes but have not yet come up with
> the answer.
>
> Thank you.

Recent versions of the Mac OS use the Sound Manager to play asynchronous
beep sounds, meaning your code regains control before the beep sound has
finished. When your app quits, the Sound Manager terminates any sound in
progress.

---------------------------

>From Stef <[e-mail]>
Subject: THPrint fields for Laserwriter 8?
Date: Mon, 04 Nov 1996 14:39:17 +0100
Organization: HOSTE NV

Hi,

I'm currently developing a utility that needs to set some printer
settings. Could you give me a list of what all the fields in the PrintX
array stand for? We are using a script for that right now but it has to
be re implemented in C++.

I actually have to be able to set the following things (I have the name
of the fields from the Apple script):

data format (binary)
graphics smoothing
halftone screen
include blank pages
print quality
reduce or enlarge
resolution
font substitution
print colors as grays
separation
orientation
flip horizontal
flip vertical
paper width
registration marks
printer type
print spreads

I hope someone can help me out with this or at least direct me to where
I have to look for it.

Thanks in advance,
Stef

+++++++++++++++++++++++++++

>From [e-mail] (Lawrence D'Oliveiro)
Date: Thu, 07 Nov 1996 16:02:40 +1300
Organization: University of Waikato

In article <[e-mail]>, [e-mail] wrote:

>I'm currently developing a utility that needs to set some printer
>settings.

Have you considered QuickDraw GX
<http://www2.waikato.ac.nz/ldo/gx/printobjects.html>?

+++++++++++++++++++++++++++

>From [e-mail] (Mike Davis)
Date: Fri, 08 Nov 1996 09:26:59 +0200
Organization: ITT Publitec bv, Amsterdam, The Netherlands.

In article <[e-mail]>,
[e-mail] wrote:

> In article <[e-mail]>, [e-mail] wrote:
>
> >I'm currently developing a utility that needs to set some printer
> >settings.
>
> Have you considered QuickDraw GX
> <http://www2.waikato.ac.nz/ldo/gx/printobjects.html>?

Adobe publish a header file for the LaserWriter 8 printer driver. It's on
their developer CDs and perhaps at their web site.

If you actually need to read a PPD file then I'd forget Adobe's code. I
can't even get the code to run with GCC on NeXTSTEP (BSD), not that I
really need to since NeXTSTEP has one anyway. I ended up writing my own
PPD parsing library for Macintosh which was rather a pain.

The header file is also illegal with C++, according to CodeWarrior, so I
had to turn some warnings off. This isn't something I like to do.

---------------------------

>From [e-mail] (Matt Gieselman)
Subject: Time Manager Question...
Date: Mon, 28 Oct 1996 14:59:07 -0800
Organization: The Color Partnership

Hey,

I have the following code for doing animated cursors.  The idea is that
DoAnimation gets called every so often by the time manager.  Well it all
looks ok to me but nothing ever happens, do Animation never gets called.
If anyone has any ideas or has used the time manager successfully any
help would be appreciated.  Please email any idea's.

Thanks,
Matt

=-=-=-=-=-=-=-=-=-=-=-=

pascal void DoAnimation( void );

static CAnimatedCursor *sAnimatedCursor;

CAnimatedCursor::CAnimatedCursor() {

   mTaskUPP = NewTimerProc( DoAnimation );

} // end CAnimatedCursor

void
CAnimatedCursor::BeginAnimation() {

   sAnimatedCursor = new CAnimatedCursor();

   (*sAnimatedCursor).mTask.tmAddr = (*sAnimatedCursor).mTaskUPP; // Get address
   (*sAnimatedCursor).mTask.tmWakeUp = 0; // Initialize tmWakeUp
   (*sAnimatedCursor).mTask.tmReserved = 0; // Initialize tmReserved
   ::InsXTime( (QElemPtr)&(*sAnimatedCursor).mTask ); // Install the task record
   ::PrimeTime( (QElemPtr)&(*sAnimatedCursor).mTask, kCursorAnimationDelay );

} // CAnimatedCursor::BeginAnimation

pascal void DoAnimation( void ) {

   SysBeep( 1 );

} // CAnimatedCursor::DoAnimation

- ------------------------------------------------------------
Matt Gieselman
Software Engineer and Juggler
The Color Partnership
[e-mail]
www.colorpar.com
- -----------------------------------------------------------

+++++++++++++++++++++++++++

>From [e-mail] (Bob Bradley)
Date: Tue, 29 Oct 1996 00:04:11 -0800
Organization: SPC

In article <matt-2810961459080001@204.253.173.28>, [e-mail] (Matt
Gieselman) wrote:

> I have the following code for doing animated cursors.  The idea is that
> DoAnimation gets called every so often by the time manager.  Well it all
> looks ok to me but nothing ever happens, do Animation never gets called.
> If anyone has any ideas or has used the time manager successfully any
> help would be appreciated.  Please email any idea's.

>
> pascal void DoAnimation( void ) {
>
>    SysBeep( 1 );
>
> } // CAnimatedCursor::DoAnimation

You can't call SysBeep from a Time Manager task. Time Manager tasks get
called at interrupt time and SysBeep (as well as most other ToolBox calls)
isn't safe to call then.

What you can do is set a flag from the Time Manager task (and re-prime it
as well or it won't get called again) and in your event loop, check for
that flag, increment your animation and set the flag to false (which will
get set to true again at the next firing of the Time Manager task).

+++++++++++++++++++++++++++

>From [e-mail] (Dave Overton)
Date: Fri, 1 Nov 1996 13:09:55 GMT
Organization: IgLou Internet Services (1-800-436-4456)

Ah Matt, Matt, Matt,
Hey bud how you doing?
If you want a real sample of time mgr code, I will send you one bud. Check
your e-mail tomorrow.
DaveO



In article <matt-2810961459080001@204.253.173.28>, [e-mail] (Matt
Gieselman) wrote:

> Hey,
>
> I have the following code for doing animated cursors.  The idea is that
> DoAnimation gets called every so often by the time manager.  Well it all
> looks ok to me but nothing ever happens, do Animation never gets called.
> If anyone has any ideas or has used the time manager successfully any
> help would be appreciated.  Please email any idea's.
>
> Thanks,
> Matt
>
> =-=-=-=-=-=-=-=-=-=-=-=
>
> pascal void DoAnimation( void );
>
> static CAnimatedCursor *sAnimatedCursor;
>
> CAnimatedCursor::CAnimatedCursor() {
>
>    mTaskUPP = NewTimerProc( DoAnimation );
>
> } // end CAnimatedCursor
>
> void
> CAnimatedCursor::BeginAnimation() {
>
>    sAnimatedCursor = new CAnimatedCursor();
>
>    (*sAnimatedCursor).mTask.tmAddr = (*sAnimatedCursor).mTaskUPP; // Get
address
>    (*sAnimatedCursor).mTask.tmWakeUp = 0; // Initialize tmWakeUp
>    (*sAnimatedCursor).mTask.tmReserved = 0; // Initialize tmReserved
>    ::InsXTime( (QElemPtr)&(*sAnimatedCursor).mTask ); // Install the
task record
>    ::PrimeTime( (QElemPtr)&(*sAnimatedCursor).mTask, kCursorAnimationDelay );
>
> } // CAnimatedCursor::BeginAnimation
>
> pascal void DoAnimation( void ) {
>
>    SysBeep( 1 );
>
> } // CAnimatedCursor::DoAnimation
>
> --------------------------------------------------------------
> Matt Gieselman
> Software Engineer and Juggler
> The Color Partnership
> [e-mail]
> www.colorpar.com
> -------------------------------------------------------------

+++++++++++++++++++++++++++

>From [e-mail] (Bob Bradley)
Date: Sat, 02 Nov 1996 13:49:46 -0800
Organization: SPC

In article <[e-mail]>,
[e-mail] (Jeff Naset) wrote:

> If you are animating the cursor during some period when your application is
> busy (and out of your event loop for more than 1/15 of sec of so), you will
> probably want to update the cursor directly from the Time Mgr. task.

I would stay away from spinning a cursor from a automatically priming Time
Manager task.

The whole point of spinning the cursor is to let the user know the
computer is doing something and that it hasn't crashed. If you spin the
cursor from a Time Manager task, there's a great chance that even if your
application has crashed and is not doing anything useful, it will still
spin the cursor thereby tricking your user into thinking it hasn't
crashed.

Set a flag from the Time Manager task and spin the cursor from your event
loop if necessary. If your event loop is not getting call often enough to
spin the cursor, you are doing way too much between calls to WaitNextEvent
anyway and should re-think your algorithm.

+++++++++++++++++++++++++++

>From [e-mail] (Jeff Naset)
Date: Sat, 02 Nov 1996 15:11:40 -0400
Organization: CompuServe Incorporated

In article <[e-mail]>,
[e-mail] (Bob Bradley) wrote:

> In article <matt-2810961459080001@204.253.173.28>, [e-mail] (Matt
> Gieselman) wrote:
>
> > I have the following code for doing animated cursors.  The idea is that
> > DoAnimation gets called every so often by the time manager.  Well it all
> > looks ok to me but nothing ever happens, do Animation never gets called.
> > If anyone has any ideas or has used the time manager successfully any
> > help would be appreciated.  Please email any idea's.
>
> >
> > pascal void DoAnimation( void ) {
> >
> >    SysBeep( 1 );
> >
> > } // CAnimatedCursor::DoAnimation
>
> You can't call SysBeep from a Time Manager task. Time Manager tasks get
> called at interrupt time and SysBeep (as well as most other ToolBox calls)
> isn't safe to call then.
>
> What you can do is set a flag from the Time Manager task (and re-prime it
> as well or it won't get called again) and in your event loop, check for
> that flag, increment your animation and set the flag to false (which will
> get set to true again at the next firing of the Time Manager task).

If you are animating the cursor during some period when your application is
busy (and out of your event loop for more than 1/15 of sec of so), you will
probably want to update the cursor directly from the Time Mgr. task.

Although you cannot call SysBeep(...), you can call SetCursor(...),
provided that the cursors have been loaded into a buffer ahead of time.
You cannot do this using members of your class CAnimatedCursor, because the
instance pointer (usu. A4) will not be set correctly and attempting to call
member functions or access member data will crash (technically,
CAnimatedCursor::DoAnimation should be a static function if you are using
it like this.)  Just have CAnimatedCursor have some type of activate
function that stores the cursors in a global array, and have DoAnimation
select the appropriate one and SetCursor(...) it.  Also remember to set up
your app's A5 world from the time manager task.

+++++++++++++++++++++++++++

>From [e-mail] (Matt Gieselman)
Date: Mon, 04 Nov 1996 10:50:46 -0800
Organization: The Color Partnership

In article <[e-mail]>,
[e-mail] (Bob Bradley) wrote:

> I would stay away from spinning a cursor from a automatically priming Time
> Manager task.
>
> The whole point of spinning the cursor is to let the user know the
> computer is doing something and that it hasn't crashed. If you spin the
> cursor from a Time Manager task, there's a great chance that even if your
> application has crashed and is not doing anything useful, it will still
> spin the cursor thereby tricking your user into thinking it hasn't
> crashed.
>
> Set a flag from the Time Manager task and spin the cursor from your event
> loop if necessary. If your event loop is not getting call often enough to
> spin the cursor, you are doing way too much between calls to WaitNextEvent
> anyway and should re-think your algorithm.

I kind of have to do it this way.  I am using PowerPlant and when
a windows constructor gets called it calls all of the contstructors
for the objects it contains.  This particular window has a lot of
controls that allocate GWorlds so it takes about 3-4 seconds before
I get control back again.  I could put code to animate the cursor
in every objects constructor but that wouldn't be very elegeant.

This way the user gets feedback that something is going on instead
of a 4 second pause.  The only problem as you mentioned was the
computer could crash and the animation keep going, well I will just
wait for Apple to adopt BeOS and maybe I wont have this problem ;>).

Thanks for all the replies.

Matt

- ------------------------------------------------------------
Matt Gieselman
Software Engineer and Juggler
The Color Partnership
[e-mail]
www.colorpar.com
- -----------------------------------------------------------

+++++++++++++++++++++++++++

>From "Aidan Cully" <[e-mail]>
Date: 5 Nov 96 14:57:23 -0400
Organization: INTAC Access Corporation - An Internet Service Provider

>I kind of have to do it this way.  I am using PowerPlant and when
>a windows constructor gets called it calls all of the contstructors
>for the objects it contains.  This particular window has a lot of
>controls that allocate GWorlds so it takes about 3-4 seconds before
>I get control back again.  I could put code to animate the cursor
>in every objects constructor but that wouldn't be very elegeant.
>
>This way the user gets feedback that something is going on instead
>of a 4 second pause.  The only problem as you mentioned was the
>computer could crash and the animation keep going, well I will just
>wait for Apple to adopt BeOS and maybe I wont have this problem ;>).
>
>Thanks for all the replies.

You could have all of your classes derive from a dummy class which
overloads the constructors, and spin the cursor from there..

You could make an animated cursor class, give it an AdvanceFrame() function
or whatnot, and look at the PowerPlant code, sticking in the AdvanceFrame()
wherever necessary (probably in the LPane constructor).  Have a static
variable which will be the clock icon, or something.

There are a few ways you could get around it, these are just the first two
to come to mind.  I would probably do the 2nd myself..

>Matt
>
>--------------------------------------------------------------
>Matt Gieselman
>Software Engineer and Juggler
>The Color Partnership
>[e-mail]
>www.colorpar.com
>-------------------------------------------------------------

--aidan




+++++++++++++++++++++++++++

>From [e-mail] (Paul L. Suh)
Date: Thu, 07 Nov 1996 10:25:38 -0500
Organization: UPenn Grad Econ

In article <matt-0411961050460001@204.253.173.28>, [e-mail] (Matt
Gieselman) wrote:

>In article <[e-mail]>,
>[e-mail] (Bob Bradley) wrote:
>
>> I would stay away from spinning a cursor from a automatically priming Time
>> Manager task.

[snip]

>> Set a flag from the Time Manager task and spin the cursor from your event
>> loop if necessary. If your event loop is not getting call often enough to
>> spin the cursor, you are doing way too much between calls to WaitNextEvent
>> anyway and should re-think your algorithm.
>
>I kind of have to do it this way.  I am using PowerPlant and when
>a windows constructor gets called it calls all of the contstructors
>for the objects it contains.  This particular window has a lot of
>controls that allocate GWorlds so it takes about 3-4 seconds before
>I get control back again.  I could put code to animate the cursor
>in every objects constructor but that wouldn't be very elegeant.

Well, if you're using PowerPlant, how about using multiple inheritance and
having each object inherit a 'spin cursor' method from somewhere?  Just a
thought.


--Paul

---------------------------

>From [e-mail] (Andre-John Mas)
Subject: Using a ditl as a template
Date: Fri, 1 Nov 1996 13:04:24 +0100
Organization: SCT / Worldnet - Internet Provider & Information Exchange - Paris, France

I am wanting to create a dialog that several modes of display. Rather
than having to change dialog, as this is IMHO an ugly solution I would
rather be able to use several templates and change the contents as
necessary. I feel that by using several ditls I could set up the
positions of the dialog items for the several modes of display and then
copy and delete the dialog items as necessary.  The only problem is how
would I go about dynamically finding out the dialog item in a ditl and
displaying them in my dialog.

Small note, the dialog items would only appear in one part of the
dialog. The other part already having a certain layout.  I believe the
old system 6 control panel window must have done something snazzy to be
able to do such a thing.

One last thing, does anyone have a document or something that tells me
how the items in a dialog box should be spaced and is there a program
that would allow me to align dialog items more precisley than ResEdit,
if this solution is free and means programming, then that is not a
problem.

If you have pointers to source code, examples and other stuff I would
very much appreciate it.

Thanks

Andre-John

--
>------------------------------  ,,,, --------------------------------<
          Andre-John MAS         - -     Smail: 821, Chemin du Riou
   Email : [e-mail]      L        06140 Vence, France
>------------------------------   -   --------------------------------<
 Tel/Fax  : [phone]     http://myweb.worldnet.fr/~ajmas/

+++++++++++++++++++++++++++

>From [e-mail] (Giles Alexander)
Date: 3 Nov 1996 00:16:09 GMT
Organization: Northern Territory University

Andre-John Mas ([e-mail]) wrote:
: I am wanting to create a dialog that several modes of display. Rather
: than having to change dialog, as this is IMHO an ugly solution I would
: rather be able to use several templates and change the contents as
: necessary. I feel that by using several ditls I could set up the
: positions of the dialog items for the several modes of display and then
: copy and delete the dialog items as necessary.  The only problem is how
: would I go about dynamically finding out the dialog item in a ditl and
: displaying them in my dialog.

It sounds liek you want to create a multipane dialog, like CodeWarrior's
prefs or the new Colour Picker.  The simple answer is read _d e v e l o
p_ issue 23.  There is an article on creating Multipane dialogs in there.

Regards,
Giles Alexander

--
[e-mail]                          | If builders built buildings the way
                                        | programmers write programs, the
Check out Note:                         | first woodpecker that comes along
http://www.ozemail.com.au/~notesoft/    | would destroy all of civilisation.

+++++++++++++++++++++++++++

>From [e-mail] (Martin-Gilles Lavoie)
Date: 5 Nov 1996 13:52:05 GMT
Organization: Groupimage, inc.

In article <[e-mail]>, [e-mail]
(Andre-John Mas) wrote:

[...]
> copy and delete the dialog items as necessary.  The only problem is how
> would I go about dynamically finding out the dialog item in a ditl and
> displaying them in my dialog.
>
> Small note, the dialog items would only appear in one part of the
> dialog. The other part already having a certain layout.  I believe the
> old system 6 control panel window must have done something snazzy to be
> able to do such a thing.
[...]

Check out 'ShotenDITL' and 'AppendDITL'.

--
Martin-Gilles Lavoie  |  Opinions expressed herein are just that.
[e-mail]     |  "No! Do, or do not.  There is no try."
Globimage, inc.       |         --Yoda on error handling

+++++++++++++++++++++++++++

>From [e-mail] (Andre-John Mas)
Date: Fri, 8 Nov 1996 12:06:20 +0100
Organization: SCT / Worldnet - Internet Provider & Information Exchange - Paris, France

Giles Alexander <[e-mail]> wrote:
>
> It sounds liek you want to create a multipane dialog, like CodeWarrior's
> prefs or the new Colour Picker.  The simple answer is read _d e v e l o
> p_ issue 23.  There is an article on creating Multipane dialogs in there.
>

Yep, after checking out the Developer's site at Apple, I picked this up.
It does exactly what I want to do. Only thing now is to adapt it to
Pascal :)

Andre-John

--
>------------------------------  ,,,, --------------------------------<
          Andre-John MAS         - -     Smail: 821, Chemin du Riou
   Email : [e-mail]      L        06140 Vence, France
>------------------------------   -   --------------------------------<
 Tel/Fax  : [phone]     http://myweb.worldnet.fr/~ajmas/

---------------------------

>From [e-mail] (Charles Brunet)
Subject: What is the reference of the book of Motorola on the 68000 family?
Date: Mon, 11 Nov 1996 18:42:31 -0500
Organization: Universite Laval

I'd like to have the reference of the Motorola's book on the 68000
family (to program in asembler) Is it free? What is the name (or the
number) of this book? Thanks,

--
NAME  : Charles Brunet      (I live in Canada, I speak French)
EMAIL : <[e-mail]>
WEB   : <http://www.geocities.com/SiliconValley/1029/>

+++++++++++++++++++++++++++

>From [e-mail] (Hugh Johnson)
Date: Tue, 12 Nov 1996 09:08:24 -0500
Organization: AT&T WorldNet Services

In article <[e-mail]>, [e-mail]
(Charles Brunet) wrote:

> I'd like to have the reference of the Motorola's book on the 68000
> family (to program in asembler) Is it free? What is the name (or the
> number) of this book? Thanks,
>

I don't think there's one reference that covers the whole family, but here
are a couple of books I found at a used book store:

M68000 Programer's Reference Manual - ISBN 0-13-566795-X

MC68020 User's Manual  - ISBN 0-13-566878-6

Both are published by Prentice-Hall

--
The universe is a figment of it's own imagination.

+++++++++++++++++++++++++++

>From [e-mail] (Erik J. Rogers)
Date: Tue, 12 Nov 1996 23:43:05 GMT
Organization: NETCOM On-line Communication Services (408 261-4700 guest)

Charles Brunet ([e-mail]) wrote:
: I'd like to have the reference of the Motorola's book on the 68000
: family (to program in asembler) Is it free? What is the name (or the
: number) of this book? Thanks,

There is the "M68000 FAMILY REFERENCE" from Motorola, which covers
basically everything from opcodes to electronic characteristics to
mechanical characteristics.  There is also a "USER'S MANUAL" for each sub
family (MC68000, MC68008, MC68010, MC60HC000 for example under the M68000
"subfamily").  I picked up my copies for free a few years ago from a
Mororola office.  There is a literature ordering web page nowadays, though
I can't guarantee that these particulars are available.

  This is a technical reference only, not a tutorial or anything specific
to actual development system use, but it has as all the microprocessor
details.
 The 68000 only user's manual (eighth edition) is ISBN 0-13-541665-5;
Prentice Hall.  The Family Reference indicates only "M68000FR/AD" via
Motorola Literature Distribution Centers:  USA:  Motorola Literature
Distribution; P.O. Box 20912; Phoenix, Arizona 85036.  I would check the
web page though...

Erik J. Rogers

---------------------------

>From [e-mail] (Colin Foster)
Subject: [Q] AEInstallEventHandler breaks under PPC
Date: Sun, 10 Nov 1996 03:16:41 -0500
Organization: The Electric Bean


Hi,

Below is the abridged version of my AEInstallHandler routine which, works
great as a CodeWarrior 68k project, but as a PPC project it breaks.

When AEProcessAppleEvent is called, the program either just quits (no
error given) or jumps to the DoQuitApp function, even if that wasn't the
AppleEvent sent.

Any advice would be hugely appreciated!
-Colin.


void  AEInstallHandlers( void )
{
OSErr               err;
AEEventHandlerUPP   DoOpenAppUPP, DoQuitAppUPP;

DoOpenAppUPP = NewAEEventHandlerProc( DoOpenApp );
err = AEInstallEventHandler( kCoreEventClass, kAEOpenApplication,
                             DoOpenAppUPP, 0L, false );
DisposeRoutineDescriptor( DoOpenAppUPP );


DoQuitAppUPP = NewAEEventHandlerProc( DoQuitApp );
err = AEInstallEventHandler( kCoreEventClass, kAEQuitApplication,
                             DoQuitAppUPP, 0L, false );
DisposeRoutineDescriptor( DoQuitAppUPP );
}

+++++++++++++++++++++++++++

>From [e-mail] (Ludovic Nicolle)
Date: 10 Nov 1996 19:40:52 GMT
Organization: Universite Laval

In article <[e-mail]>, [e-mail]
(Colin Foster) wrote:

>
> void  AEInstallHandlers( void )
> {
> OSErr               err;
> AEEventHandlerUPP   DoOpenAppUPP, DoQuitAppUPP;
>
> DoOpenAppUPP = NewAEEventHandlerProc( DoOpenApp );
> err = AEInstallEventHandler( kCoreEventClass, kAEOpenApplication,
>                              DoOpenAppUPP, 0L, false );
> DisposeRoutineDescriptor( DoOpenAppUPP );
>
>
> DoQuitAppUPP = NewAEEventHandlerProc( DoQuitApp );
> err = AEInstallEventHandler( kCoreEventClass, kAEQuitApplication,
>                              DoQuitAppUPP, 0L, false );
> DisposeRoutineDescriptor( DoQuitAppUPP );
> }

I *think* your problems come with your disposing of the UPPs. Please
consider trying the following, even if I don't give you any warranty. ;-)

UPPs are pointer to structures (RoutineDescriptor) which must stay
allocated as long as they are susceptible to be used for calling the
underlying function. When UPPs are used locally (for ModalDialog
filterprocs for example), they can be trashed just after their use. But as
you understand, when a UPP is built for use in the future, you should NOT
deallocates its memory as it will give a dangling pointer in the System
Apple Event Dispatch table (which keeps only the pointer to the routine
descriptor you gave to it).

In this case, with open app, quit app, and all other registered Apple
event handlers you can have with the system, you must let their routine
descriptors in memory and you should remove your two dispose calls (I
think).

Some people will maybe argue than the open app UPP can be safely trashed
after it has been called once at the beginning of your app, but I would
not do this myself, as you don't know if a script or some buggy app will
send you a second one by mistake. Just let it in memory, it is not so big.


Ludo "yÈ, a UPP question from someone who knows UPP exist... ;-) "

+++++++++++++++++++++++++++

>From [e-mail] (Lev Knopov)
Date: Sun, 10 Nov 1996 12:15:34 +0200
Organization: Scitex Corporation Ltd.

In article <[e-mail]>, [e-mail]
(Colin Foster) wrote:

> Hi,
>
> Below is the abridged version of my AEInstallHandler routine which, works
> great as a CodeWarrior 68k project, but as a PPC project it breaks.
>
> When AEProcessAppleEvent is called, the program either just quits (no
> error given) or jumps to the DoQuitApp function, even if that wasn't the
> AppleEvent sent.
>
> Any advice would be hugely appreciated!
> -Colin.
>
>
> void  AEInstallHandlers( void )
> {
> OSErr               err;
> AEEventHandlerUPP   DoOpenAppUPP, DoQuitAppUPP;
>
> DoOpenAppUPP = NewAEEventHandlerProc( DoOpenApp );
> err = AEInstallEventHandler( kCoreEventClass, kAEOpenApplication,
>                              DoOpenAppUPP, 0L, false );
> DisposeRoutineDescriptor( DoOpenAppUPP );
>
>
> DoQuitAppUPP = NewAEEventHandlerProc( DoQuitApp );
> err = AEInstallEventHandler( kCoreEventClass, kAEQuitApplication,
>                              DoQuitAppUPP, 0L, false );
> DisposeRoutineDescriptor( DoQuitAppUPP );
> }

Colin, you destroy your routine descriptor in DisposeRoutineDescriptor call.
But address of decriptor is in the AE tables and so OS calls your
descriptor and hangs. You must call to DisposeRoutineDescriptor only after
AERemoveEventHandler().

HTH

--
  //\\   Lev Knopov
  \\//   Scitex Israel
///  \\\ [e-mail]

+++++++++++++++++++++++++++

>From [e-mail] (Jeremy Roussak)
Date: 12 Nov 1996 22:03:59 GMT
Organization: Queen Mary & Westfield College, London, England

In article <[e-mail]>
[e-mail] (Colin Foster) writes:

> Below is the abridged version of my AEInstallHandler routine which, works
> great as a CodeWarrior 68k project, but as a PPC project it breaks.
>
> void  AEInstallHandlers( void )
> {
> OSErr               err;
> AEEventHandlerUPP   DoOpenAppUPP, DoQuitAppUPP;
>
> DoOpenAppUPP = NewAEEventHandlerProc( DoOpenApp );
> err = AEInstallEventHandler( kCoreEventClass, kAEOpenApplication,
>                              DoOpenAppUPP, 0L, false );
> DisposeRoutineDescriptor( DoOpenAppUPP );
>
It's not a good idea to dispose of a routine descriptor that is in use!
You need to keep it around until you quit or deinstall that handler.

Jeremy

---------------------------

>From [e-mail] (Andrew McClain)
Subject: [Q] Displaying only folders in a Standard Get File
Date: Sat, 09 Nov 1996 16:19:51 -0500
Organization: Illinois Internet Communications, Inc.

How do I show only folders in a Standard Get File dialog? I know this is
documented in IM:Files, but it's in Pascal and it seems quite confusing to
me. Could someone translate it or give me a better alternative?

Thanks in advance.
Andrew McClain

--
Andrew McClain

+++++++++++++++++++++++++++

>From [e-mail]
Date: Sun, 10 Nov 1996 12:06:32 -0800
Organization: (none)

In article <amcclain-0911961619520001@206.62.101.63>, [e-mail]
(Andrew McClain) wrote:

> How do I show only folders in a Standard Get File dialog? I know this is
> documented in IM:Files, but it's in Pascal and it seems quite confusing to
> me. Could someone translate it or give me a better alternative?

MoreStandardFile at <ftp://members.aol.com/jumplong/> has a routine to do
this.  There are several in the sample code at <http://devworld.apple.com>
as well.

--
(Pointers to other Mac programming web sites at
<http://devworld.apple.com/dev/geeks.html>)

+++++++++++++++++++++++++++

>From David Gillies <[e-mail]>
Date: Mon, 11 Nov 1996 15:35:15 +0000
Organization: University of Bradford

[e-mail] wrote:
>
> In article <amcclain-0911961619520001@206.62.101.63>, [e-mail]
> (Andrew McClain) wrote:
>
> > How do I show only folders in a Standard Get File dialog? I know this is
> > documented in IM:Files, but it's in Pascal and it seems quite confusing to
> > me. Could someone translate it or give me a better alternative?
>
> MoreStandardFile at <ftp://members.aol.com/jumplong/> has a routine to do
> this.  There are several in the sample code at <http://devworld.apple.com>
> as well.
>
> --
> (Pointers to other Mac programming web sites at
> <http://devworld.apple.com/dev/geeks.html>)

No need to get the whole of MoreFiles - it's really quite simple.
You simply need to provide a ProcPtr to a FileFilter function (don't
forget the UPP Mixed Mode stuff if you're going to compile for PPC
and 68K).

You just want a function that returns a Boolean for each file it is
given. The prototype for the function is just
pascal Boolean Filter(CInfoPBRec *infoRec)

Put in NULL for the typeList parameter and -1 for numTypes.

Look at infoRec->ioFlAtrb. If bit 4 is set it's a directory. You also
need to look at the fdFlags and fdType fields of the embedded FInfo
struct (can't remember the name offhand) and if bit 15 (isAlias) is
set in fdFlags, then check the fdType to see if it's one of the
reserved types for aliases to folders.

Remember filter functions return FALSE if the file is NOT to be
suppressed i.e. TRUE means 'do not display this file'.

Your filter function will be called every time the list needs
rebuilding - essentially every time StandardFile's dialog filter
gets a message of type sfHookRebuildList.
--
______________________________________________________________________
David A. G. Gillies                        ([e-mail])
      University of Bradford, Bradford, West Yorkshire, England
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

+++++++++++++++++++++++++++

>From [e-mail] (Jane Eisenstein)
Date: Mon, 11 Nov 1996 17:46:27 GMT
Organization: The World @ Software Tool & Die

In article <[e-mail]>, David Gillies
<[e-mail]> wrote:

> You simply need to provide a ProcPtr to a FileFilter function (don't
> forget the UPP Mixed Mode stuff if you're going to compile for PPC
> and 68K).
>

What is "UPP Mixed Mode stuff"?

--
Jane Eisenstein    [e-mail]    http://world.std.com/~janee/

+++++++++++++++++++++++++++

>From David Gillies <[e-mail]>
Date: Mon, 11 Nov 1996 21:38:58 +0000
Organization: University of Bradford

Jane Eisenstein wrote:
>
> In article <[e-mail]>, David Gillies
> <[e-mail]> wrote:
>
> > You simply need to provide a ProcPtr to a FileFilter function (don't
> > forget the UPP Mixed Mode stuff if you're going to compile for PPC
> > and 68K).
> >
>
> What is "UPP Mixed Mode stuff"?
>
> --
> Jane Eisenstein    [e-mail]    http://world.std.com/~janee/

The PowerPC and 68K Macs have very different runtime architectures. Most
of the time the transition between the two is seamless, but occasionally
you need to take account of it. One of these times is when you have an
embedded callback procedure, like in ModalDialog, for example, viz.:

ModalDialog(DialogBoxFilterFunction,&itemHit);

This was fine in the good ol' 68K days, but to make your life easier
when you come to port your code to PPC, the new Universal Headers
have defined a boatload of routines to handle switching between 68K
and PPC code.

The problem arises when you consider the difference in C and Pascal
calling conventions. If 68K code is being called from PPC or vice
versa then the Mixed Mode Manager needs to know the calling conventions
of the function so it can push and pop the arguments on and off the
stack in the right fashion.

68K code can just pass in a ProcPtr, which is just a memory address,
but PPC code requires a much more sophisticated structure. To make
life easier, those nice folks at Apple have invented a thing called
a UniversalProcPtr (UPP). When you're compiling 68K, it looks like
a ProcPtr; when you're doing PPC compilation it looks like a
RoutineDescriptor. You pays yer money and yer takes yer choice.
Instead of just passing in a ProcPtr, you call a routine along
the lines of NewUniversalProcPtr(myCallbackProcedure) which will
fill in the required fields for you if in PPC mode.

Each particular callback has its own API call to allocate the right
fields. Look in any of the headers for things like
#if GENERATING_CFM
and see what I mean.

Since all this stuff is static compile time then there's no performance
hit from it other than the mixed mode stuff itself.

Hope this helps.

--
______________________________________________________________________
David A. G. Gillies                        ([e-mail])
      University of Bradford, Bradford, West Yorkshire, England
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

+++++++++++++++++++++++++++

>From [e-mail] (Conor MacNeill)
Date: Tue, 12 Nov 1996 21:44:12 +1100
Organization: Cognet Pty Limited

In article <janee-1111961246280001@10.0.2.15>, [e-mail] (Jane
Eisenstein) wrote:

>In article <[e-mail]>, David Gillies
><[e-mail]> wrote:
>
>> You simply need to provide a ProcPtr to a FileFilter function (don't
>> forget the UPP Mixed Mode stuff if you're going to compile for PPC
>> and 68K).
>>
>
>What is "UPP Mixed Mode stuff"?
>

This is to handle the case, during a callback from the toolbox to your code,
where the two pieces of code are using different instruction set architectures
namely PPC and 68k. The UPP (Universal Procedure Pointer) handles all
cases performing a mixed-mode switch for the correct architecture, if necessary.

See Inside Macintosh : PowerPC System Software for more details.

--
Conor MacNeill
[e-mail]
Cognet Pty Limited

+++++++++++++++++++++++++++

>From [e-mail] (Kent Johnson)
Date: Tue, 12 Nov 1996 20:10:07 GMT
Organization: Transparent Language, Inc.

In article <amcclain-0911961619520001@206.62.101.63>, [e-mail]
(Andrew McClain) wrote:

> How do I show only folders in a Standard Get File dialog?

See the PowerPlant function UStandardFile::GetDirectory() in UStandardFile.cp.

Kent Johnson                                [e-mail]
Transparent Language, Inc.                http://www.transparent.com

---------------------------

>From [e-mail] (John Soltys)
Subject: [Q] How can I get a file's creator?
Date: Wed, 06 Nov 1996 18:45:37 -0800
Organization: The Edwards Agency

Once a file has been specified by the user via a StandardGetFile dialog
how can I see the file's creator? I know I can easily get the file's type
from the StandardFileReply, but where's the creator stored?

+++++++++++++++++++++++++++

>From [e-mail] (Andrew Wright)
Date: Thu, 07 Nov 1996 17:19:27 +1000
Organization: Prentice Centre, University of Queensland

In article <[e-mail]>,
[e-mail] (John Soltys) wrote:

> Once a file has been specified by the user via a StandardGetFile dialog
> how can I see the file's creator? I know I can easily get the file's type
> from the StandardFileReply, but where's the creator stored?

The call you want is:
error = GetFInfo(fileName, vRefNum, &fndrInfo);

where error is an OSErr, fileName is a Str255, vRefNum is a short, and
fndrInfo is a struct of type FInfo. The field of fndrInfo you want is
fdCreator. (of type OSType).

Please don't hesitate to mail if you have any furthur questions.

--
Regards,               |         Visit me on-line
Andrew Wright          |                at
[e-mail] | http://student.uq.edu.au/~s341797

+++++++++++++++++++++++++++

>From [e-mail] (Freezer Burn)
Date: Thu, 07 Nov 1996 18:11:37 +0000
Organization: Insaneous Noise Systems

In article <[e-mail]>,
[e-mail] (John Soltys) wrote:

> Once a file has been specified by the user via a StandardGetFile dialog
> how can I see the file's creator? I know I can easily get the file's type
> from the StandardFileReply, but where's the creator stored?

Call the function:

   iErr = GetFInfo( fileName, vRefNum, &fndrInfo );

fndrInfo is a pointer to a struct called FInfo. This struct has a field
with the signature of the creator:

   fndrInfo->fdCreator

Check the Inside Macs for more info.

Chrs,

Adriaan Tijsseling,

______________________________________________________________

Cognitive Scientist & Mac Guru

Work:
   Cognitive Sciences Centre
   Department of Psychology
   University of Southampton
   United Kingdom

Homepages:
   work:    http://www.soton.ac.uk/~coglab/coglab
   life:    http://www.soton.ac.uk/~agt/
   Sonic:   http://www.soton.ac.uk/~agt/Sonic/

E-mail:
   [e-mail]
   [e-mail]
   [e-mail]
______________________________________________________________

--
<BOLD>procrastinate</BOLD> <ITALIC>v.</ITALIC>
<BR>
(<BOLD>-ting</BOLD>) defer action.
<BR><BR>
<BOLD>Usage</BOLD> <ITALIC>Procrastinate</ITALIC> is often confused
with <ITALIC>prevaricate</ITALIC> which means "to be evasive, quibble".
<BR><BR>
From: the Oxford Dictionary of Current English


+++++++++++++++++++++++++++

>From [e-mail] (Andrew McClain)
Date: Sat, 09 Nov 1996 16:15:07 -0500
Organization: Illinois Internet Communications, Inc.

In article <[e-mail]>,
[e-mail] (John Soltys) wrote:

> Once a file has been specified by the user via a StandardGetFile dialog
> how can I see the file's creator? I know I can easily get the file's type
> from the StandardFileReply, but where's the creator stored?

I actually just finished this routine. It's not too hard.

OSErr MyGetFileCreator (FSSpec *theFile, OSType *creator)
{
   OSErr error = noErr;
   FInfo finderInfo;

/* get finder info for this file */
   error = FSpGetFInfo(theFile, &finderInfo);
   if (error)
   {
      return error;
   }

   *creator = finderInfo.fdCreator;

   return error;
}

FSpGetFInfo extracts the finder info from the FSSpec thefile. Then, you
can assign the creator value from the finderInfo structure. FInfo's also
contain other useful file info, such as SIZE flags and what not. These
functions are described in Inside Macintosh: Files.

Hope this helps!
-Andrew McClain

---------------------------

>From [e-mail] (Eric T. Anholt)
Subject: [q] C: putting int into dialog
Date: 09 Nov 1996 05:36:47 GMT
Organization: Electric Sheep

I need help with Think C 5.0.  I have an int that I need to put into a
"static" in a dialog.  I think I need to convert to a char first, but not
sure how.  If anyone could help, it would be greatly appreciated.

+++++++++++++++++++++++++++

>From "Michael S. Erickson" <[e-mail]>
Date: 9 Nov 1996 21:08:06 GMT
Organization: Automated Solutions Group

In article <[e-mail]>, [e-mail] (Eric T.
Anholt) wrote:

> I need help with Think C 5.0.  I have an int that I need to put into a
> "static" in a dialog.  I think I need to convert to a char first, but not
> sure how.  If anyone could help, it would be greatly appreciated.

You use the toolbox routine "NumToString"

Example:

  int  myInt = 9;
  Str255 theStr;

  NumToString(myInt, theStr);

After the call to NumToString, the variable 'theStr' will contain the value
in 'myInt'.



Michael S. Erickson, President
Automated Solutions Group

[e-mail]
http://www.asgsoft.com


+++++++++++++++++++++++++++

>From [e-mail] (Simon Fraser)
Date: Sat, 09 Nov 1996 23:11:03 -0700
Organization: Santa Fe Institute

In article <[e-mail]>, "Michael S. Erickson"
<[e-mail]> wrote:

> In article <[e-mail]>, [e-mail] (Eric T.
> Anholt) wrote:
> > I need help with Think C 5.0.  I have an int that I need to put into a
> > "static" in a dialog.  I think I need to convert to a char first, but not
> > sure how.  If anyone could help, it would be greatly appreciated.
>
> You use the toolbox routine "NumToString"
>
> Example:
>
>   int  myInt = 9;
>   Str255 theStr;
>
>   NumToString(myInt, theStr);

But NumToString expects a long, and you cannot be sure that the
compiler is not using 2-byte ints.

One bit of very good advice that I heard here some time ago was to
avoid ints like the plague, and stick to longs and shorts. That way,
you can be sure of their size, and your code is more platform-
and compiler independent.

Simon

+++++++++++++++++++++++++++

>From David Gillies <[e-mail]>
Date: Mon, 11 Nov 1996 20:52:14 +0000
Organization: University of Bradford

Simon Fraser wrote:
>
> In article <[e-mail]>, "Michael S. Erickson"
> <[e-mail]> wrote:
>
> > In article <[e-mail]>, [e-mail] (Eric T.
> > Anholt) wrote:
> > > I need help with Think C 5.0.  I have an int that I need to put into a
> > > "static" in a dialog.  I think I need to convert to a char first, but not
> > > sure how.  If anyone could help, it would be greatly appreciated.
> >
> > You use the toolbox routine "NumToString"
> >
> > Example:
> >
> >   int  myInt = 9;
> >   Str255 theStr;
> >
> >   NumToString(myInt, theStr);
>
> But NumToString expects a long, and you cannot be sure that the
> compiler is not using 2-byte ints.
>
> One bit of very good advice that I heard here some time ago was to
> avoid ints like the plague, and stick to longs and shorts. That way,
> you can be sure of their size, and your code is more platform-
> and compiler independent.
>
> Simon

So cast the damn thing to an unsigned long. Sheesh. But why not use
sprintf
and then CtoPstr? It's robust, portable, documented and not particularly
slow. Assuming you aren't using a 68000 you can even do something
like

#include <stdio.h>
#include <string.h>

Str255             str;
int                number=13452;

sprintf((char*)numStr+1,"%d",number); // this takes care of the zero
                                      // termination for strlen
str[0]=strlen((char*)numStr+1);

The caveat about 68000 is due to potential odd address accesses causing
and address error. Not a problem on 68020 or higher. The cast to char*
is because Str255 is 'typedef unsigned char Str255[256]' or summat like
that.
--
______________________________________________________________________
David A. G. Gillies                        ([e-mail])
      University of Bradford, Bradford, West Yorkshire, England
_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/

+++++++++++++++++++++++++++

>From [e-mail] (Richard Wells)
Date: Tue, 12 Nov 1996 17:03:58 -0600
Organization: Imation

David Gillies wrote:
>
> Simon Fraser wrote:
> >
> > In article <[e-mail]>, "Michael S. Erickson"
> > <[e-mail]> wrote:
> >
> > > In article <[e-mail]>, [e-mail] (Eric T.
> > > Anholt) wrote:
> > > > I need help with Think C 5.0.  I have an int that I need to put into a
> > > > "static" in a dialog.  I think I need to convert to a char first, but not
> > > > sure how.  If anyone could help, it would be greatly appreciated.
> > >
> > > You use the toolbox routine "NumToString"
> > >
> > > Example:
> > >
> > >   int  myInt = 9;
> > >   Str255 theStr;
> > >
> > >   NumToString(myInt, theStr);
> >
> > But NumToString expects a long, and you cannot be sure that the
> > compiler is not using 2-byte ints.
> >
> > One bit of very good advice that I heard here some time ago was to
> > avoid ints like the plague, and stick to longs and shorts. That way,
> > you can be sure of their size, and your code is more platform-
> > and compiler independent.
> >
> So cast the damn thing to an unsigned long. Sheesh. But why not use
> sprintf
> and then CtoPstr? It's robust, portable, documented and not particularly
> slow. Assuming you aren't using a 68000 you can even do something
> like
>
> #include <stdio.h>
> #include <string.h>
>
> Str255             str;
> int                number=13452;
>
> sprintf((char*)numStr+1,"%d",number); // this takes care of the zero
>                                       // termination for strlen
> str[0]=strlen((char*)numStr+1);
>
> The caveat about 68000 is due to potential odd address accesses causing
> and address error. Not a problem on 68020 or higher. The cast to char*
> is because Str255 is 'typedef unsigned char Str255[256]' or summat like
> that.

At the risk of beating a dead horse, you can make one more improvement
on this code.  sprintf returns the number of characters written to
the buffer, so you don't need the call to strlen:

str[0] = sprintf((char*)numStr+1,"%d",number);

The real advantage of using sprintf here is that it is much easier
to form complex strings.  For instance, say your static text needs
to have the value embedded in other text:

str[0] = sprintf((char*)numStr+1,"The value is %d.",number);

Sure, this can be done with NumToString and pstrcat, but why
bother when you have the tools you need to make the job even
easier?

BTW: I don't think there is any need to worry about 68000s getting
an address error on numStr+1.  Any reasonable implementation of
sprintf would treat the buffer as a character array, and would
have no need to have it aligned.  Besides, any implementation
that would reject the above would be a non-conforming implemenation,
since the above is perfectly valid C code.

---------------------------

>From [e-mail] (Byron Han)
Subject: accelerated code resource
Date: 5 Nov 1996 02:16:02 -1000
Organization: LavaNet, Inc.

I am trying to call an accelerated code resource at interrupt time.
The code resource is a safe fat code resource and has been initially
called at a safe time to load the code (the safe fat code resource
also calls SysEnvirons).

The problem is that the code executes fine when the application
is still executing.  If the application terminates, when I attempt
to execute this code, a crash ensues.

I have loaded the code resource into the system heap; the code is
locked; any clues?
--
Byron Han  *  <http://www.hanchenson.com/~han>  *  <mailto:[e-mail]>
Han Chen & Son - MacOS Software Development * PO Box 61557 * Honolulu HI 96839
"Windows 95 - Can't Get No Satisfaction"

+++++++++++++++++++++++++++

>From [e-mail] (Malcolm H. Teas)
Date: 5 Nov 1996 14:37:39 GMT
Organization: Blaze Technology, Inc.

In article <55nb62$[e-mail]>
[e-mail] (Byron Han) writes:

> ...The problem is that the code executes fine when the application
> is still executing.  If the application terminates, when I attempt
> to execute this code, a crash ensues.
>
> I have loaded the code resource into the system heap; the code is
> locked; any clues?

A couple: Is the application unloading the code resource on exit?
(Yes, I know this is the software equivalent of checking to see if the
power cord is plugged in, but, you know, sometimes the power cord is
*not* plugged in!)

Also, and more likely, is the code resource using data that the
application has in it's global area?

Install MacsBug (or some other low-level PPC debugger if you'd like)
and see where the crash is occuring.  You don't say what kind of crash:
freeze, illegal memory access, illegal instruction, etc.  I find that
kind of information is very useful starting debugging.

(Apple Dev. University external faculty: Debugging instructor)
____________________________________________________________________
Malcolm  H. Teas             |   email: [e-mail]
Blaze Technology, Inc.       |   http://www.btech.com/
Voice: [phone]       |   Fax: [phone]
   ** A Macintosh software development services company  **
____________________________________________________________________

+++++++++++++++++++++++++++

>From [e-mail] (Greg Chapman)
Date: Thu, 07 Nov 1996 13:46:17 -0500
Organization: John P. Robarts Research Institute

In article <55nb62$[e-mail]>, [e-mail] (Byron Han) wrote:

> I am trying to call an accelerated code resource at interrupt time.

What do you mean by 'accelerated'?

PPC native?

--
Greg Chapman
Mac Developer - Robarts Research Institute
Imaging Research Labs
- -
"You! Out of the gene pool!"

---------------------------

>From [e-mail] (andi jones)
Subject: resedit & PICT resources: help?
Date: 5 Nov 1996 05:47:58 GMT
Organization: angelwerks

i am posting this to .games, .tools and .help, hoping someone can give me
a hand.

i am trying to learn how to edit (and make) PICT resource files. i have
resedit (v.2.1.3) and have borrowed two books on the subject, and i have
had no luck. i am not a programmer, so all i can do is follow instructions
in the book. they do not work.

can anyone point me to some decent, detailed instructions on editting and
making PICT resources? does anyone maintain a FAQ, or have a site on the
web i can visit? is there a book out there that simply outlines this
stuff? i don't know if this is complicated to do or not, but i am eager to
learn. any help anyone can offer would be much appreciated.

thanks.





end of line.

+++++++++++++++++++++++++++

>From [e-mail] (Andrew Gillanders)
Date: 7 Nov 1996 11:34:11 GMT
Organization: Wicked Design

In article <andi-0511960048520001@206.173.7.37>, [e-mail] (andi
jones) wrote:

> i am posting this to .games, .tools and .help, hoping someone can give me
> a hand.
>
> i am trying to learn how to edit (and make) PICT resource files. i have
> resedit (v.2.1.3) and have borrowed two books on the subject, and i have
> had no luck. i am not a programmer, so all i can do is follow instructions
> in the book. they do not work.
>
> can anyone point me to some decent, detailed instructions on editting and
> making PICT resources? does anyone maintain a FAQ, or have a site on the
> web i can visit? is there a book out there that simply outlines this
> stuff? i don't know if this is complicated to do or not, but i am eager to
> learn. any help anyone can offer would be much appreciated.
>
> thanks.
>
>
>
>
>
> end of line.

I believe editing PICTs in ResEdit is not possible. What I would recommend
is editing the graphics in a graphics application. Then, copy the graphic
to the clipboard, switch to ResEdit, create a PICT resource and paste. It
works for me.

HTH
Andrew

+++++++++++++++++++++++++++

>From [e-mail]
Date: 12 Nov 1996 07:16:52 GMT
Organization: America Online, Inc. (1-800-827-6364) (1.10)

In ResEdit you create a PICT resource by either selecting PICT from the
New Resource item in the menu or take the picture into a Paint program, do
what you what to it, then paste it back into the PICT resource in you
program. You could do by hex code code but, that's much harder to do.

BBoppie

---------------------------

End of C.S.M.P. Digest
**********************