[Cuis-dev] Turtle Graphics Package

Mark Volkmann r.mark.volkmann at gmail.com
Tue Apr 29 05:12:06 PDT 2025


Benjamin, the Pen class is not well-supported in Cuis Smalltalk. I asked a
question about it on this mailing list on October 5 last year and received
the following response:

Some things have been made obsolete by much better options. This is one of
them. VectorGraphics offers way more flexibility and unbelievable better
quality graphics.

We need to classify packages in, perhaps, these categories:
1 - Abandoned.
2 - Maintained, but only for historical value. Use beyond that is not
recommended.
3 - Somewhat maintained. Bitrot possible, and usually fixed in no more than
a couple of months. If bugs are reported, someone fixes them in no more
than a few weeks.
4 - Maintained. Someone or several people act as maintainers. They
regularly use it and problems are detected and fixed quickly. If a bug is
reported, it is acknowledged in no more than a few days, and fixed in no
more than a week or two.

The Pen package would be in category 1, unless someone volunteers to
maintain (and fix!) it. In any case, it would never go beyond 2, unless
someone rewrites it to use Vector Graphics.

On Mon, Apr 28, 2025 at 9:15 PM Benjamin Eby via Cuis-dev <
cuis-dev at lists.cuis.st> wrote:

> Hello All,
>
> I am a Cuis Smalltalk beginner I'm on chapter 4 of the Cuis Book, but I've
> done a lot of Logo, so I wanted to play around with the turtle graphics
> package. Could someone write a simple program using the Turtle class and
> Pen subclass to draw a shape on the screen? I am not clear how this all
> works in Cuis. Thank you.
>
> Benjamin
> --
> Cuis-dev mailing list
> Cuis-dev at lists.cuis.st
> https://lists.cuis.st/mailman/listinfo/cuis-dev
>


-- 
R. Mark Volkmann
Object Computing, Inc.
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