Squeak-dev July 2008

squeak-dev@lists.squeakfoundation.org

136 participants
183 discussions

Swazoo 2.2 beta with fast file upload
by Janko Mivšek 26 Jul '08

26 Jul '08

Dear Smalltalkers, New Swazoo 2.2 is ready for beta testing, with much improved upload (input streaming) performance as a main new feature. On Squeak it uploads 15 times faster than before, achieving 1.5MB/s throughput locally on my Linux 3.2GHz PC. On VisualWorks it is even more impressive: 30 times better, achieving 15MB/s throughput. This means only 20s for 300MB file upload! In both cases upload performance is about half of the download one due to additional MIME parsing needed. I can say that now we have an Smalltalk web server with comparable performance to others in terms on upload performance too. This also means that Swazoo is ready for demanding upload tasks like video uploading as well, while video (like screencast) serving is a common practice for a while. Please help testing it. It is available here: - Squeak: http://www.squeaksource.com/Swazoo/Swazoo-2.2.beta1.mcz - VisualWorks: in public Store: Swazoo 2.2beta1 Best regards Janko -- Janko Mivšek AIDA/Web Smalltalk Web Application Server http://www.aidaweb.si

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Attempting to get VMMaker properly on SqueakSource
by tim Rowledge 26 Jul '08

26 Jul '08

I'm currently trying to set up the VMMaker SqueakSource project so that we can share access a bit more easily; things like adding people as developers, putting some verbiage in the wiki etc. Right now it's not going very well because the response time is utterly dismal - with a capital *yawn* - and I'm wondering whether others have this problem. If it's normal for everything to take so long I think we won't be very happy. tim -- tim Rowledge; tim(a)rowledge.org; http://www.rowledge.org/tim A bug in the code is worth two in the documentation.

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Re: Welcome to the "Squeak-dev" mailing list
by beepeng ang 26 Jul '08

26 Jul '08

Email address: beepeng86(a)yahoo.com --- On Sat, 26/7/08, squeak-dev-request(a)lists.squeakfoundation.org <squeak-dev-request(a)lists.squeakfoundation.org> wrote: From: squeak-dev-request(a)lists.squeakfoundation.org <squeak-dev-request(a)lists.squeakfoundation.org> Subject: Welcome to the "Squeak-dev" mailing list To: beepeng86(a)yahoo.com Date: Saturday, 26 July, 2008, 10:43 AM Welcome to the Squeak-dev(a)lists.squeakfoundation.org mailing list! To post to this list, send your email to: squeak-dev(a)lists.squeakfoundation.org General information about the mailing list is at: http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/squeak-dev If you ever want to unsubscribe or change your options (eg, switch to or from digest mode, change your password, etc.), visit your subscription page at: http://lists.squeakfoundation.org/cgi-bin/mailman/options/squeak-dev/beepen… You can also make such adjustments via email by sending a message to: Squeak-dev-request(a)lists.squeakfoundation.org with the word `help' in the subject or body (don't include the quotes), and you will get back a message with instructions. You must know your password to change your options (including changing the password, itself) or to unsubscribe. It is: dpap96k1 Normally, Mailman will remind you of your lists.squeakfoundation.org mailing list passwords once every month, although you can disable this if you prefer. This reminder will also include instructions on how to unsubscribe or change your account options. There is also a button on your options page that will email your current password to you. Send instant messages to your online friends http://uk.messenger.yahoo.com

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Help: coloring anti-aliased text
by K. K. Subramaniam 26 Jul '08

26 Jul '08

Hi, Is there a method in Squeak to color (say with color C) an anti-aliased text? The transparent areas should remain transparent, while black to white areas should take on C to white (essentially the top half of the ColorPickerMorph at C). The luminance should remain unchanged. TIA .. Subbu

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new blog post on the closure analysis
by Eliot Miranda 26 Jul '08

26 Jul '08

I've followed up with the post on closure analysis in the compiler, and making it pluggable w.r.t. bytecode set.

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Image without morph
by Gwenael Casaccio 26 Jul '08

26 Jul '08

Hi, For the squeakGtk I would like to create an image without the morphs ? Is there an image without the morphs ? or how can I do that ? Cheers, Gwenael Casaccio

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[Q] Debug Tools , ideas and hints
by Edgar J. De Cleene 25 Jul '08

25 Jul '08

Folks: Digging I found http://lists.squeakfoundation.org/pipermail/squeak-dev/2003-November/069516. html About dpsTrace: -- program trace in Transcript from Trygve Reenskaug Once this was into the image, now seems not. I wish know. Why this was removed ? Any examples or other "not for all" things like this ? Very thanks in advance Edgar

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Q: Why do TTCFont Glyphs need an alpha channel
by Jerome Peace 25 Jul '08

25 Jul '08

[squeak-dev] Q: Why do TTCFont Glyphs need an alpha channel Bert Freudenberg bert at freudenbergs.de Fri Jul 25 15:29:38 UTC 2008 Hi Bert, Hi Tim, Thank you both for instant replies. So now I have a reason. An 8-bit colorform with an alpha map would possibly work (given bitBlt willingness) but nothing less. And would probalby be hairier to code and debug. Yours in curiosity and service, --Jerome Peace

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About typeOfClass
by Stéphane Ducasse 25 Jul '08

25 Jul '08

I was happily browsing code when I suddenly encountered that method Does anybody know what it measn to return #compiledMethod? typeOfClass "Answer a symbol uniquely describing the type of the receiver" self instSpec = CompiledMethod instSpec ifTrue:[^#compiledMethod]. "Very special!" self isBytes ifTrue:[^#bytes]. (self isWords and:[self isPointers not]) ifTrue:[^#words]. self isWeak ifTrue:[^#weak]. self isVariable ifTrue:[^#variable]. ^#normal.

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Q: Why do TTCFont Glyphs need an alpha channel?
by Jerome Peace 25 Jul '08

25 Jul '08

Q: Why do TTCFont Glyphs need an alpha channel? [squeak-dev] Q: Why are TTCFont Glyphs forms of depth 32? Hi Bert, Thank you for your quick answer. So the next question is: Q: Why do TTCFont Glyphs need an alpha channel? Why wouldn't just having transparent pixels suffice? When/where is this extra ability used? Can you point me to a good case? Bert Freudenberg bert at freudenbergs.de Fri Jul 25 04:22:53 UTC 2008 *** >Am 25.07.2008 um 00:16 schrieb Jerome Peace: > >> Hi all, >> >> >> Q: Why are TTCFont Glyphs forms of depth 32? >> > >A 32 bpp form is TSTTCPW if you want an alpha channel. An 8 bpp form >would suffice, but require more exotic bitblt rules to be interpreted >as an alpha channel. > >- Bert - > ***

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