Squeak-dev March 2008

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157 participants
229 discussions

Re: [squeak-dev] Bezier filled shape rendering artifacts
by Gary Chambers 24 Mar '08

24 Mar '08

Saw similar problems when I was doing SVGMorph (some time ago, on SqueakMap) fixed mostly by ensuring the pipeline doesn't get flushed part way through a closed shape. ----- Original message ----- From: Igor Stasenko <siguctua(a)gmail.com> To: The general-purpose Squeak developers list <squeak-dev(a)lists.squeakfoundation.org> Sent: Mon, 24 Mar 2008, 09:35:21 GMT Subject: [squeak-dev] Bezier filled shape rendering artifacts Hello, i spent a few hours to implement new morph (BezierMorph) , partly to see how balloon draws bezier shapes, partly to be able to edit all cubic bezier parameters. What i found that at some specific point it produces a visual artifacts by infinitely extending a single horizontal lines. Can't say, is this bug of balloon plugin or it's because of inaccuracies , which can be eliminated/avoided by ST, without fixing plugin? I'm specially making sure that all segment joints having same coordinates (endpoint of segment A is equal to starting point of segment B, which follows A). Also shape is closed. To reproduce a bug, file in a morph. Put it on desktop, then right-click -> convert to filled shape. You can also edit a morph's points (by choosing 'edit shape' in context menu) and see how horizontal line appears and disappears depending on vertex position and segments curvature. Btw, time to time i see same artifacts in hint popups which using filled curved shapes too. -- Best regards, Igor Stasenko AKA sig. <Attachment:> <BezierMorph.st.gz>

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Request for the foundation
by stephane ducasse 24 Mar '08

24 Mar '08

Hi guys I would like to get the official list of persons that signed the MIT license release for Squeak. We should get that list officially posted so that user of packages can get the garantee that the code is under MIT. Stef

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Re: [squeak-dev] Re: Swazoo - LGPL or MIT?
by Taun Chapman 24 Mar '08

24 Mar '08

As an ignorant lurker, this has been a quite amazing 49 posts thread. Almost nothing relevant to the original issue. 1) Squeak/Seaside community wants all included code to be under the MIT license. 2) Janko, the maintainer of Swazoo would like to officially make the Swazoo license MIT for the above reason. So despite 49 posts, what is unresolved is whether Janko can make the Swazoo license officially MIT and what hoops he would need to jump through to do so? What is the procedure for confirming and or possibly changing a license? How many Swazoo contributors are there out there? Do they all need to be contacted? Did they all think it was GPL? Does there need to be a new release with a new license? In addition there is the question of why Bruce Badger is so against Swazoo having the MIT license? If Squeak is MIT and Bruce is using Squeak, why is he against Swazoo being the same license? Everyone except Bruce is saying "use only MIT" or "make the license clear and consistent" but no one is suggesting how to do so other than Bruce who is saying "Swazoo is GPL, end of story." None of this seems very constructive. Taun

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Re: [ANN] New FunSqueak 6
by itsme213 24 Mar '08

24 Mar '08

Is traits a part of 3.10 base, or of this image? I am just asking for info & planning. Thanks - Sophie "Edgar J. De Cleene" <edgardec2001(a)yahoo.com.ar> wrote in message news:C40D1786.CDCA%edgardec2001__6162.07523639805$1206358537$gmane$org@yahoo.com.ar... >I put a new FunSqueak3.10alpha.6.image. > > To list of previous packages, I add VMmaker and SystemTracer2. > For loading VMmaker , I first must load Speech-Klatt.st. > Was last versions for 3.8, so take easy until owners update his packages. > I remember FunSqueak 5 have > RoelTyper,eCompletion,Scheduler,Seaside,Pier,Magritte. > Server is running > > To web team , please update the info and links. > > http://ftp.squeak.org/various_images/FunSqueak/FunSqueak3.10alpha.6.zip > > Enjoy and send feedback > > Edgar > > > > > >

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Incorrect class comment for FileStream
by Katerina Barone-Adesi 24 Mar '08

24 Mar '08

Using Squeak 3.10, the FileStream comment contains the following: "To use the file system for most applications, you typically create a FileStream. This is done by sending a message to a FileDirectory (file:, oldFile:, newFile:, rename:newName:) which creates an instance of me. Accesses to the file are then done via my instance." Unfortunately, the named methods don't exist. I'm using FileDirectory new fileNamed: rather than file:, and it appears to work and have the intention I'd expect FileDirectory file: to have from the above comment. Is this list the right place to report problems like this, and if not, where should they be reported? Regards; Katerina Barone-Adesi

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Persisted Collection?
by Alejandro Martínez 24 Mar '08

24 Mar '08

I'm looking for a kind of collection that persists itself while adding or removing elements. I'm not looking for a persistent object store like Magma, but something simpler (e.g. SmartRefStream or so). Any idea? Cheers

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[ANN] New FunSqueak 6
by Edgar J. De Cleene 24 Mar '08

24 Mar '08

I put a new FunSqueak3.10alpha.6.image. To list of previous packages, I add VMmaker and SystemTracer2. For loading VMmaker , I first must load Speech-Klatt.st. Was last versions for 3.8, so take easy until owners update his packages. I remember FunSqueak 5 have RoelTyper,eCompletion,Scheduler,Seaside,Pier,Magritte. Server is running To web team , please update the info and links. http://ftp.squeak.org/various_images/FunSqueak/FunSqueak3.10alpha.6.zip Enjoy and send feedback Edgar

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[ANN] 3.9.1 7075 final is out
by stephane ducasse 24 Mar '08

24 Mar '08

Hi all I fixed a little glitch (removed an obsolete reference to OB). So now 3.9.1 is final and out. I hope that it will help people creating cool applications in Squeak. I put two zipped files on the ftp: 3.9.1 (image/changes) 3.9.1 with sources (image/changes/sources) Would it be possible that the 3.9.1 version is used on the web site instead of 3.9. Damien could you also use it for your excellent squeak-dev images? Thanks Stef

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The Weekly Squeak Summary No. 17: Jan 13 - Mar 22, 2008
by Michael Haupt 24 Mar '08

24 Mar '08

Dear Squeakers, welcome to the Easter edition of The WeeklySqueakSummary, an irregular traffic-dependent report on what's going on in the world of Squeak based on the WeeklySqueak blog. Highlights of the past weeks: There is a whole bunch of very interesting (not just software) releases... Squeak 3.10 [23], Sophie 1.0 [24], a multi-threaded Squeak VM called Hydra [14], the Squeak by Example book's second edition (nowadays, people tend to call such things 2.0 or the like... I prefer to stick with the old-fashioned word "edition") [19], and a very extensive book covering the (much more relevant than you might think) topic of hashing [15]. The Squeak Foundation has a new board [17] - congratulations to all board members (and to the community for their choices)! Last time, I accidentally posted a "link" to a demo video of the Lively kernel - it was just a link to an announcement. This happens if you don't read carefully. :-) The actual video has since been released [20]. Two notifications of acceptance: there will be more Google Summer of Code projects related to Squeak [22], and the Squeak VM is now officially deemed open source by the Debian maintainers [21]. That last topic (licensing issues) directly relates to the last "hot" topic: the Software Freedom Law Center has released a guide to legal issues as occurring in the context of open-source projects [11]. It's an interesting read, but unfortunately very much focused on the legal situation in the United States of America - well, you probably can't blame them. The past weeks' news items: [1] Qwaq is Hiring! http://news.squeak.org/2008/01/16/qwaq-is-hiring/ [2] Squeak now running on Nokia N810 http://news.squeak.org/2008/01/18/squeak-now-running-on-nokia-n810/ [3] Self-Sustaining Systems *Call for Papers* http://news.squeak.org/2008/01/21/self-sustaining-systems-call-for-papers/ [4] Brought to you by ESUG! http://news.squeak.org/2008/01/23/brought-to-you-by-esug/ [5] Dynamic Languages Symposium (DLS) 2008 - Call For Papers http://news.squeak.org/2008/01/25/dynamic-languages-symposium-dls-2008-call… [6] Learn Smalltalk And See the World! http://news.squeak.org/2008/01/26/learn-smalltalk-and-see-the-world/ [7] Immersive Education Summit Ad-Hoc Meeting http://news.squeak.org/2008/02/03/immersive-education-summit-ad-hoc-meeting/ [8] The Golight: Tool Support for Test-Driven Development http://news.squeak.org/2008/02/07/the-golight-tool-support-for-test-driven-… [9] XO in the US Virgin Islands http://news.squeak.org/2008/02/12/xo-in-the-us-virgin-islands/ [10] 16th International Smalltalk Joint Conference *Call for Contributions* http://news.squeak.org/2008/02/14/16th-international-smalltalk-joint-confer… [11] IANAL - But they are! SFLC Guide to FOSS Legal Issues http://news.squeak.org/2008/02/15/ianal-but-they-are-sflc-guide-to-foss-leg… [12] International Squeak Live Video Conference Between Nepal and Japan http://news.squeak.org/2008/02/17/international-squeak-live-video-conferenc… [13] Randal Schwartz Talks With Leo about Squeak, EToys and OLPC http://news.squeak.org/2008/02/20/randal-schwartz-talks-with-leo-about-sque… [14] Qwaq releases Hydra multi-core Squeak VM http://news.squeak.org/2008/02/21/qwaq-releases-hydra-multi-core-squeak-vm/ [15] Hashing in Smalltalk http://news.squeak.org/2008/02/25/hashing-in-smalltalk/ [16] Don't forget to vote! http://news.squeak.org/2008/03/06/dont-forget-to-vote/ [17] The Squeak Foundation Board 2008 http://news.squeak.org/2008/03/09/the-squeak-foundation-board-2008/ [18] Talk on "Newspeak" today http://news.squeak.org/2008/03/11/talk-on-newspeak-today/ [19] Squeak by Example, 2.0! http://news.squeak.org/2008/03/12/squeak-by-example-20/ [20] Dan Ingalls demos Lively at Google http://news.squeak.org/2008/03/14/dan-ingalls-demos-lively-at-google/ [21] Squeak VM now in Debian distro http://news.squeak.org/2008/03/17/squeak-vm-now-in-debian-distro/ [22] Squeak accepted into Google Summer of Code 08 http://news.squeak.org/2008/03/18/squeak-accepted-into-google-summer-of-cod… [23] Squeak 3.10 now released! http://news.squeak.org/2008/03/21/380/ [24] Sophie multimedia authoring environment hits 1.0 http://news.squeak.org/2008/03/22/sophie-multimedia-authoring-environment-h… You can find this and much more on The WeeklySqueak blog, the newsblog dedicated to the world of Squeak:http://news.squeak.org/ Subscribe to the WeeklySqueak RSS feed: http://news.squeak.org/feed/ Happy squeaking, Michael

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Squeak Release Roadmap? (Was:Re: [squeak-dev] Notes from Release Team meeting 2)
by Igor Stasenko 24 Mar '08

24 Mar '08

What about making a more formal approach concerning next release? It would be very useful to have a roadmap, what features we want in next release. We can divide things/initiatives onto subprojects and place this on a web page. This will serve good both for historical and organizational reasons. This will help community (and newcomers) to be certain in what direction we are moving and what most of us want to see in next release. On 19/03/2008, Edgar J. De Cleene <edgardec2001(a)yahoo.com.ar> wrote: > > > > El 3/4/08 12:24 PM, "Matthew Fulmer" <tapplek(a)gmail.com> escribió: > > > > The last "Release Team" meeting happened last Monday, 25 > > February. I summarized the results of the meeting at > > http://installer.pbwiki.org/MeetingNotes002 > > > > Based on the results, I started an agenda for the next meeting, > > which is not yet scheduled: > > http://installer.pbwiki.org/MeetingNotes003 > > > > If you have questions about the release team, or want to discuss > > something, add an item to the agenda and come to the next > > meeting. You can either add them directly to the page, or email > > me, and I'll add them to the page > > > > -- > > Matthew Fulmer -- http://mtfulmer.wordpress.com/ > > Help improve Squeak Documentation: http://wiki.squeak.org/squeak/808 > > > Matthew: > > I thanks you organizational efforts. > > Slowly I reading all mails for I don't miss some important. > > Maybe we could use current v3dot10 reduced list or ask to web team for a new > "future Squeak" discussion list, for advance in clarify all ideas ? > > I wish start 3.11, following previous ideas. > > Seems a shorter goal and a more compatible one with actual Squeak. > > > Edgar > > > > > -- Best regards, Igor Stasenko AKA sig.

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