{"id":85540,"date":"2020-06-17T07:41:58","date_gmt":"2020-06-17T05:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pervyj-testovyj-vypusk-qt-6"},"modified":"2020-06-17T07:41:58","modified_gmt":"2020-06-17T05:41:58","slug":"pervyj-testovyj-vypusk-qt-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/pervyj-testovyj-vypusk-qt-6","title":{"rendered":"F\u00f8rste testudgivelse af Qt 6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Qt Company <noindex><a rel=\"nofollow\" href=\"https:\/\/www.qt.io\/blog\/first-qt-6.0-snapshot-available\">offentliggjorde<\/a><\/noindex> Den f\u00f8rste testudgave af den nye Qt 6-gren, hvor v\u00e6sentlige arkitektoniske \u00e6ndringer vil blive tilbudt, og for at bygge kr\u00e6ves en compiler, der underst\u00f8tter C++17-standarden. Udgaven indeholder kun skelet af den fremtidige Qt 6-udgivelse, som <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.qt.io\/Qt_6.0_Release\">er planlagt<\/a><\/noindex> den 1. december 2020. Funktionaliteten i Qt 6-grenen vil blive udvidet indtil kodens frysefrist den 31. august. <\/p>\n<p>Den f\u00f8rste testbygning inkluderer moduler:<br \/>\nQt Core,<br \/>\nQt GUI,<br \/>\nQt Widgets,<br \/>\nQt Network,<br \/>\nQt QML,<br \/>\nQt Quick,<br \/>\nQt Quick Controls,<br \/>\nQt SVG,<br \/>\nQt Network Authorization,<br \/>\nQt SQL og<br \/>\nQt Test.<\/p>\n<p>N\u00f8glepunkter <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51238\">funktioner<\/a><\/noindex> Qt 6:<\/p>\n<ul>\n<li class=\"l\"> Et abstrakt grafisk API, der ikke afh\u00e6nger af et 3D API fra operativsystemet. En central komponent i den nye grafiske stak i Qt er scenegengivelsesmotoren, der bruger et RHI (Rendering Hardware Interface) lag for at sikre, at Qt Quick-applikationer fungerer ikke kun med OpenGL, men ogs\u00e5 med API'er som Vulkan, Metal og Direct 3D.\n<li class=\"l\"> Qt Quick 3D-modulet med API til oprettelse af brugergr\u00e6nseflader baseret p\u00e5 Qt Quick, som kombinerer elementer af 2D- og 3D-grafik. Qt Quick 3D g\u00f8r det muligt at bruge QML til at definere 3D-elementer i gr\u00e6nseflader uden brug af UIP-formatet. I Qt Quick 3D kan \u00e9n runtime (Qt Quick), \u00e9n scenelayout og \u00e9n animationsrammev\u00e6rk bruges til b\u00e5de 2D og 3D, og Qt Design Studio kan anvendes til visuel udvikling af gr\u00e6nsefladen. Modulet adresserer problemer som store omkostninger ved integrering af QML med indhold fra Qt 3D eller 3D Studio og giver mulighed for synkronisering af animationer og transformationer p\u00e5 niveauet for individuelle rammer mellem 2D og 3D.\n<\/li>\n<li class=\"l\"> Omstrukturering af kodebasen med opdeling i mindre komponenter og reduktion af st\u00f8rrelsen p\u00e5 det grundl\u00e6ggende produkt. Udviklerv\u00e6rkt\u00f8jer og specialiserede komponenter vil blive leveret som udvidelser, der distribueres gennem katalogbutikken <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51960\">Qt Marketplace<\/a><\/noindex>.\n<li class=\"l\"> V\u00e6sentlig opgradering af QML:\n<ul>\n<li class=\"l\"> Underst\u00f8ttelse af streng typificering.\n<\/li>\n<li class=\"l\"> Mulighed for at kompilere QML til en repr\u00e6sentation i C++ og maskinkode.\n<\/li>\n<li class=\"l\"> Overf\u00f8rsel af fuld st\u00f8tte til JavaScript til at v\u00e6re en valgmulighed (brug af en fuldfunktionel JavaScript-motor kr\u00e6ver store ressourcer, hvilket begr\u00e6nser anvendelsen af QML p\u00e5 hardware som mikrokontrollere).\n<\/li>\n<li class=\"l\"> Afbrydelse af versionering i QML.\n<\/li>\n<li class=\"l\"> Unificering af data strukturer, der duplikeres i QObject og QML (vil reducere hukommelsesforbruget og fremskynde opstart).\n<\/li>\n<li class=\"l\"> Afvikling af generering af datastrukturer under k\u00f8rsel til fordel for generation under kompilering.\n<\/li>\n<li class=\"l\"> Skjuling af interne komponenter ved hj\u00e6lp af private metoder og egenskaber.\n<\/li>\n<li class=\"l\"> Forbedret integration med udviklingsv\u00e6rkt\u00f8jer til refaktorering og diagnose af fejl under kompilering.\n<\/ul>\n<li class=\"l\"> Tilf\u00f8jelse af v\u00e6rkt\u00f8jer til behandling af grafisk relaterede ressourcer under kompilering, for eksempel til konvertering af PNG-billeder til komprimerede teksturer eller til konvertering af shaders og meshes til optimerede bin\u00e6re formater til specifikt udstyr.\n<\/li>\n<li class=\"l\"> Indbygning af en sammenh\u00e6ngende motor til temaer og stilarter, der g\u00f8r det muligt at opn\u00e5 et udseende for applikationer baseret p\u00e5 Qt Widgets og Qt Quick, der er indf\u00f8dt for forskellige mobile og station\u00e6re platforme.\n<\/li>\n<li class=\"l\"> Som byggesystem er der valgt CMake i stedet for QMake. St\u00f8tte til at bygge applikationer ved hj\u00e6lp af QMake vil blive bevaret, men selve Qt vil blive bygget med CMake. CMake er valgt, da dette v\u00e6rkt\u00f8j har f\u00e5et bred udbredelse blandt udviklere af C++-projekter og st\u00f8ttes af mange integrerede udviklingsmilj\u00f8er. Udviklingen af byggesystemet Qbs, som havde til form\u00e5l at erstatte QMake, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52863\">blev fortsat<\/a><\/noindex> af samfundet.\n<\/li>\n<li class=\"l\"> Overgang til standarden C++17 (tidligere anvendt C++98). I Qt 6 planl\u00e6gges det at implementere st\u00f8tte for mange moderne funktioner i C++, men uden at miste bagudkompatibilitet med kode baseret p\u00e5 tidligere standarder.\n<\/li>\n<li class=\"l\"> Muligheden for at bruge en vis funktionalitet i C++-kode, der tilbydes til QML og Qt Quick. Der vil blandt andet blive pr\u00e6senteret et nyt ejendomssystem for QObject og lignende klasser. En motor til bindinger vil blive integreret fra QML til Qt-kernen, hvilket vil mindske belastningen og hukommelsesforbruget for bindinger og g\u00f8re dem tilg\u00e6ngelige for alle dele af Qt, ikke kun for Qt Quick.\n<\/li>\n<li class=\"l\"> Udvidelse af underst\u00f8ttelsen af yderligere sprog som Python og WebAssembly.\n<\/ul>\n<\/li>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53164\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Qt Company \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 Qt 6, \u0432 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\u0440\u0435\u043b\u0438\u0437\u0430 Qt 6, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 1 \u0434\u0435\u043a\u0430\u0431\u0440\u044f 2020 \u0433\u043e\u0434\u0430. \u0424\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0432 \u0432\u0435\u0442\u043a\u0435 Qt 6 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0442\u044c\u0441\u044f \u0434\u043e \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0437\u0430\u043c\u043e\u0440\u043e\u0437\u043a\u0438 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-85540","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Qt Company \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 Qt 6, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u0443\u0434\u0443\u0442 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u044b 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