Shakedown Social

DEF CONAre you ready? DEF CON 33 Workshop registration goes live at noon PDT tomorrow, July 15! The full workshop lineup and HumaniTix links are available on the website (<a href="https://defcon.org/html/defcon-33/dc-33-workshops.html" rel="nofollow noopener" translate="no" target="_blank">https://defcon.org/html/defcon-33/dc-33-workshops.html</a>) and on Hacker Tracker.Godspeed and good luck to all of you! <a href="https://defcon.social/tags/defcon" class="mention hashtag" rel="nofollow noopener" target="_blank">#defcon</a> <a href="https://defcon.social/tags/workshops" class="mention hashtag" rel="nofollow noopener" target="_blank">#workshops</a> <a href="https://defcon.social/tags/registration" class="mention hashtag" rel="nofollow noopener" target="_blank">#registration</a> <a href="https://defcon.social/tags/quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#quickdraw</a> <a href="https://defcon.social/tags/defcon33" class="mention hashtag" rel="nofollow noopener" target="_blank">#defcon33</a>

Verfassungklage@troet.cafeKopf hinter <a href="https://troet.cafe/tags/Quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#Quickdraw</a>: <a href="https://troet.cafe/tags/Entwickler" class="mention hashtag" rel="nofollow noopener" target="_blank">#Entwickler</a> Bill <a href="https://troet.cafe/tags/Atkinson" class="mention hashtag" rel="nofollow noopener" target="_blank">#Atkinson</a> mit 74 Jahren verstorbenDurch seine <a href="https://troet.cafe/tags/Arbeit" class="mention hashtag" rel="nofollow noopener" target="_blank">#Arbeit</a> an <a href="https://troet.cafe/tags/Quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#Quickdraw</a> und <a href="https://troet.cafe/tags/Macpaint" class="mention hashtag" rel="nofollow noopener" target="_blank">#Macpaint</a> gilt er als wichtiger <a href="https://troet.cafe/tags/Apple" class="mention hashtag" rel="nofollow noopener" target="_blank">#Apple</a>- <a href="https://troet.cafe/tags/Entwickler" class="mention hashtag" rel="nofollow noopener" target="_blank">#Entwickler</a>. Nun ist <a href="https://troet.cafe/tags/BillAtkinson" class="mention hashtag" rel="nofollow noopener" target="_blank">#BillAtkinson</a> an Bauchspeicheldrüsenkrebs verstorben. <a href="https://troet.cafe/tags/SteveJobs" class="mention hashtag" rel="nofollow noopener" target="_blank">#SteveJobs</a> holte Atkinson als Mitarbeiter Nr. 51 zu <a href="https://troet.cafe/tags/Apple" class="mention hashtag" rel="nofollow noopener" target="_blank">#Apple</a> und zum ersten Entwicklungsteam der Firma. Dem <a href="https://troet.cafe/tags/Programmierer" class="mention hashtag" rel="nofollow noopener" target="_blank">#Programmierer</a> ist die <a href="https://troet.cafe/tags/Quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#Quickdraw</a>- <a href="https://troet.cafe/tags/Bilschirmtechnologie" class="mention hashtag" rel="nofollow noopener" target="_blank">#Bilschirmtechnologie</a> mit ihren auffälligen abgerundeten Ecken zu verdanken. <a href="https://www.golem.de/news/kopf-hinter-quickdraw-entwickler-bill-atkinson-mit-74-jahren-verstorben-2506-196954.html" rel="nofollow noopener" translate="no" target="_blank">https://www.golem.de/news/kopf-hinter-quickdraw-entwickler-bill-atkinson-mit-74-jahren-verstorben-2506-196954.html</a>

🔏 Matthias WiesmannTook advantage of the long week-end to make a new release of my personal project: QuickDraw viewer, a tool to visualise and convert QD images used on old Macintosh computer into something modern like PDF or PNG. This was mostly a maintenance release, switching to Swift 6 and adding the relevant synchronisation annotations. It's far from perfect but it works. I also improved the localisation, and some the documentation.<a href="https://mastodon.social/tags/quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#quickdraw</a> <a href="https://mastodon.social/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#retrocomputing</a> <a href="https://mastodon.social/tags/swift" class="mention hashtag" rel="nofollow noopener" target="_blank">#swift</a> <a href="https://mastodon.social/tags/macosx" class="mention hashtag" rel="nofollow noopener" target="_blank">#macosx</a> <a href="https://github.com/wiesmann/QuickDrawViewer" rel="nofollow noopener" translate="no" target="_blank">https://github.com/wiesmann/QuickDrawViewer</a>

Chris HansonIn honor of Bill Atkinson, I’ve been reading the QuickDraw source code released by CHM and writing a little C implementation of his Region structure, which was an incredibly elegant solution to a problem so many people working on window systems never even realized they had. RIP Bill. <a href="https://mastodon.social/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#retrocomputing</a> <a href="https://mastodon.social/tags/BillAtkinson" class="mention hashtag" rel="nofollow noopener" target="_blank">#BillAtkinson</a> <a href="https://mastodon.social/tags/QuickDraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuickDraw</a>

Nancytried to quickdraw an axolotl. love this little creatures. I'm not good ad drawing quick 'cause I'm just way to focused in details instead of modelling the figure with simple forms and slowly working them out. But I keep practicing. So this was not that quckily done. I like how the face turned out, but the belly got way to dark. <a href="https://pixelfed.social/discover/tags/axolotl?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#axolotl</a> <a href="https://pixelfed.social/discover/tags/animaldrawing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#animaldrawing</a> <a href="https://pixelfed.social/discover/tags/quickdraw?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#quickdraw</a> <a href="https://pixelfed.social/discover/tags/practice?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#practice</a> <a href="https://pixelfed.social/discover/tags/üben?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#üben</a> <a href="https://pixelfed.social/discover/tags/polychromos?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#polychromos</a> <a href="https://pixelfed.social/discover/tags/zeichnen?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#zeichnen</a> <a href="https://pixelfed.social/discover/tags/mastoart?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#mastoart</a> <a href="https://pixelfed.social/discover/tags/art?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#art</a> <a href="https://pixelfed.social/discover/tags/sketch?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#sketch</a> <a href="https://pixelfed.social/discover/tags/pencildrawing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#pencildrawing</a>

europlus :autisminf:I’m not a fan of self-boosting, but I realised I was remiss in not putting some hashtags on this post after it started gaining the small amount of traction it has.For those who boosted or liked the original, I’m not asking or expecting a repeat. I just hope with these hashtags it gets a little more traction to acknowledge the genius of <a href="https://social.europlus.zone/tags/BillAtkinson" class="mention hashtag" rel="nofollow noopener" target="_blank">#BillAtkinson</a>, who affected so many lives through the genius work he did.I know he impacted many aspects of my life through the work he did on the Mac, the original System, and MacPaint, and it seems many others were similarly impacted.It’s been truly inspiring for me to see Mac legends talk how he put the lie to the saying “Never meet your heroes”, as he seemed to have been a hero to many, and never a disappointment in person.RIP, Bill. :alogo6:<a href="https://social.europlus.zone/tags/RIPBillAtkinson" class="mention hashtag" rel="nofollow noopener" target="_blank">#RIPBillAtkinson</a> <a href="https://social.europlus.zone/tags/HyperCard" class="mention hashtag" rel="nofollow noopener" target="_blank">#HyperCard</a> <a href="https://social.europlus.zone/tags/MystGame" class="mention hashtag" rel="nofollow noopener" target="_blank">#MystGame</a> <a href="https://social.europlus.zone/tags/Lisa" class="mention hashtag" rel="nofollow noopener" target="_blank">#Lisa</a> <a href="https://social.europlus.zone/tags/ClassicMacOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#ClassicMacOS</a> <a href="https://social.europlus.zone/tags/QuickDraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuickDraw</a> <a href="https://social.europlus.zone/tags/Dithering" class="mention hashtag" rel="nofollow noopener" target="_blank">#Dithering</a> <a href="https://social.europlus.zone/tags/AtkinsonDithering" class="mention hashtag" rel="nofollow noopener" target="_blank">#AtkinsonDithering</a> <a href="https://social.europlus.zone/tags/ClassicMacs" class="mention hashtag" rel="nofollow noopener" target="_blank">#ClassicMacs</a> <a href="https://social.europlus.zone/tags/ClassicMacintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#ClassicMacintosh</a> <a href="https://social.europlus.zone/tags/Mac128K" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mac128K</a> <a href="https://social.europlus.zone/tags/MarchingAnts" class="mention hashtag" rel="nofollow noopener" target="_blank">#MarchingAnts</a> <a href="https://social.europlus.zone/tags/MacPaint" class="mention hashtag" rel="nofollow noopener" target="_blank">#MacPaint</a> <a href="https://social.europlus.zone/tags/FatBits" class="mention hashtag" rel="nofollow noopener" target="_blank">#FatBits</a> <a href="https://social.europlus.zone/@europlus/114645820628589016" rel="nofollow noopener" translate="no" target="_blank">https://social.europlus.zone/@europlus/114645820628589016</a>

Blake PattersonRIP Bill Atkinson<a href="https://oldbytes.space/tags/Apple" class="mention hashtag" rel="nofollow noopener" target="_blank">#Apple</a> <a href="https://oldbytes.space/tags/Mac" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mac</a> <a href="https://oldbytes.space/tags/Macintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#Macintosh</a> <a href="https://oldbytes.space/tags/inventor" class="mention hashtag" rel="nofollow noopener" target="_blank">#inventor</a> <a href="https://oldbytes.space/tags/artist" class="mention hashtag" rel="nofollow noopener" target="_blank">#artist</a> <a href="https://oldbytes.space/tags/pirate" class="mention hashtag" rel="nofollow noopener" target="_blank">#pirate</a> <a href="https://oldbytes.space/tags/vintageApple" class="mention hashtag" rel="nofollow noopener" target="_blank">#vintageApple</a> <a href="https://oldbytes.space/tags/MacPaint" class="mention hashtag" rel="nofollow noopener" target="_blank">#MacPaint</a> <a href="https://oldbytes.space/tags/HyperCard" class="mention hashtag" rel="nofollow noopener" target="_blank">#HyperCard</a> <a href="https://oldbytes.space/tags/QuickDraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuickDraw</a> <a href="https://oldbytes.space/tags/hero" class="mention hashtag" rel="nofollow noopener" target="_blank">#hero</a> <a href="https://oldbytes.space/tags/RIP" class="mention hashtag" rel="nofollow noopener" target="_blank">#RIP</a>

Bruce MacDonaldGo ahead. Take a look at the source code of Bill Atkinson's MacPaint and QuickDraw.'MacPaint was written by Bill Atkinson, who was a member of the original Macintosh development team. He based it on his earlier LisaSketch (also called SketchPad) for the unsuccessful Apple Lisa computer, so he originally called it MacSketch. He started work on the Mac version in early 1983.'Atkinson also created Quickdraw first for the Lisa, as LisaGraf. Andy Hertzfeld, another key member of the team, considers QuickDraw “the single most significant component of the original Macintosh technology” in its ability to “push pixels around in the frame buffer at blinding speeds to create the celebrated user interface.”'<a href="https://computerhistory.org/blog/macpaint-and-quickdraw-source-code/" rel="nofollow noopener" translate="no" target="_blank">https://computerhistory.org/blog/macpaint-and-quickdraw-source-code/</a><a href="https://hachyderm.io/tags/MeaningfulLabor" class="mention hashtag" rel="nofollow noopener" target="_blank">#MeaningfulLabor</a> <a href="https://hachyderm.io/tags/ComputerHistory" class="mention hashtag" rel="nofollow noopener" target="_blank">#ComputerHistory</a> <a href="https://hachyderm.io/tags/QuickDraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuickDraw</a> <a href="https://hachyderm.io/tags/MacPaint" class="mention hashtag" rel="nofollow noopener" target="_blank">#MacPaint</a>

Bruce MacDonald"It was Mr. Atkinson who programmed QuickDraw, a foundational software layer used for both the Lisa and Macintosh computers; composed of a library of small programs, it made it possible to display shapes, text and images on the screen efficiently." <a href="https://www.nytimes.com/2025/06/07/technology/bill-atkinson-dead.html" rel="nofollow noopener" translate="no" target="_blank">https://www.nytimes.com/2025/06/07/technology/bill-atkinson-dead.html</a><a href="https://hachyderm.io/tags/obituary" class="mention hashtag" rel="nofollow noopener" target="_blank">#obituary</a> <a href="https://hachyderm.io/tags/ComputerHistory" class="mention hashtag" rel="nofollow noopener" target="_blank">#ComputerHistory</a> <a href="https://hachyderm.io/tags/QuickDraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuickDraw</a> <a href="https://hachyderm.io/tags/HyperCard" class="mention hashtag" rel="nofollow noopener" target="_blank">#HyperCard</a> <a href="https://hachyderm.io/tags/Macintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#Macintosh</a> <a href="https://hachyderm.io/tags/MeaningfulLabor" class="mention hashtag" rel="nofollow noopener" target="_blank">#MeaningfulLabor</a>

R.L. Dane :Debian: :OpenBSD: 🍵 :MiraLovesYou:<a href="https://masto.pt/@OnceUponAGoblin" class="u-url mention" rel="nofollow noopener" target="_blank">@OnceUponAGoblin</a>I'd like to add that he was also the creator of LisaGraf / <a href="https://polymaths.social/tags/quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuickDraw</a> which was the graphics library that made it possible for as underpowered machines as the Lisa and the original Macintosh to have faster graphics than machines several times faster than them.He was a very bright programmer, and understood the math well enough to find ingenious shortcuts for (at the time) mathematically complex things like finding the shape of ellipses.

Nancy"quick" drawing of a turtle. tried a mix of pastell pencils, markers and polychromos. not that happy withe the legs in the back but I had fun with mixing the different types of pencils together. <a href="https://pixelfed.social/discover/tags/drawing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#drawing</a> <a href="https://pixelfed.social/discover/tags/turtle?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#turtle</a> <a href="https://pixelfed.social/discover/tags/seaturtle?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#seaturtle</a> <a href="https://pixelfed.social/discover/tags/animaldrawing?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#animaldrawing</a> <a href="https://pixelfed.social/discover/tags/sketch?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#sketch</a> <a href="https://pixelfed.social/discover/tags/zeichnung?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#zeichnung</a> <a href="https://pixelfed.social/discover/tags/schildkröte?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#schildkröte</a> <a href="https://pixelfed.social/discover/tags/quickdraw?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#quickdraw</a> <a href="https://pixelfed.social/discover/tags/mastoart?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#mastoart</a> <a href="https://pixelfed.social/discover/tags/art?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#art</a> <a href="https://pixelfed.social/discover/tags/polychromos?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#polychromos</a> <a href="https://pixelfed.social/discover/tags/pastel?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#pastel</a>

🔏 Matthias WiesmannMatriochkas image formats <a href="https://mastodon.social/tags/quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#quickdraw</a> <a href="https://mastodon.social/tags/quicktime" class="mention hashtag" rel="nofollow noopener" target="_blank">#quicktime</a> <a href="https://mastodon.social/tags/classicmac" class="mention hashtag" rel="nofollow noopener" target="_blank">#classicmac</a> <a href="https://mastodon.social/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#retrocomputing</a> <a href="https://mastodon.social/tags/imageprocessing" class="mention hashtag" rel="nofollow noopener" target="_blank">#imageprocessing</a> <a href="https://mastodon.social/tags/sgi" class="mention hashtag" rel="nofollow noopener" target="_blank">#sgi</a> <a href="https://wiesmann.codiferes.net/wordpress/archives/37403" rel="nofollow noopener" translate="no" target="_blank">https://wiesmann.codiferes.net/wordpress/archives/37403</a>

🔏 Matthias WiesmannHow hard would it be to support the QuickTime image format (QTIF) in my QuickDraw viewer? It turns out, not that hard, and I'm happy to announce this feature now works. <a href="https://github.com/wiesmann/QuickDrawViewer" rel="nofollow noopener" translate="no" target="_blank">https://github.com/wiesmann/QuickDrawViewer</a><a href="https://mastodon.social/tags/quickdraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#quickdraw</a> <a href="https://mastodon.social/tags/quicktime" class="mention hashtag" rel="nofollow noopener" target="_blank">#quicktime</a> <a href="https://mastodon.social/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#retrocomputing</a> <a href="https://mastodon.social/tags/classicmac" class="mention hashtag" rel="nofollow noopener" target="_blank">#classicmac</a> <a href="https://mastodon.social/tags/qtif" class="mention hashtag" rel="nofollow noopener" target="_blank">#qtif</a> <a href="https://mastodon.social/tags/imageprocessing" class="mention hashtag" rel="nofollow noopener" target="_blank">#imageprocessing</a> <a href="https://mastodon.social/tags/ImageFormat" class="mention hashtag" rel="nofollow noopener" target="_blank">#ImageFormat</a>

Stephen ThomasIt's alive! Here's my short <a href="https://mastodon.art/tags/animation" class="mention hashtag" rel="nofollow noopener" target="_blank">#animation</a>, made in 48 hours, for Cardiff <a href="https://mastodon.art/tags/QuickDraw" class="mention hashtag" rel="nofollow noopener" target="_blank">#QuickDraw</a> using the prompt 'mini'.I'm a big fan of Don't Hug Me I'm Scared, so thought it would be fun to create something in a live action puppet style (during the YouTube screening someone referenced DHMIS, made me so happy! 😋 ).All made in <a href="https://mastodon.art/tags/b3d" class="mention hashtag" rel="nofollow noopener" target="_blank">#b3d</a>. Concept, modelling (apart from the park bench and ice cream truck), rigging, voice acting (apologies in advance) and animation all done by yours truly.<a href="https://vimeo.com/815184357" rel="nofollow noopener" target="_blank">https://vimeo.com/815184357</a>

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