{"id":103766,"date":"2022-04-12T15:36:53","date_gmt":"2022-04-12T13:36:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-frejmvorka-qt-6-3"},"modified":"2022-04-12T15:36:53","modified_gmt":"2022-04-12T13:36:57","slug":"reliz-frejmvorka-qt-6-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/reliz-frejmvorka-qt-6-3","title":{"rendered":"Rilascio del framework Qt 6.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La societ\u00e0 Qt Company ha pubblicato il rilascio del framework Qt 6.3, continuando il lavoro di stabilizzazione e ampliamento delle funzionalit\u00e0 del ramo Qt 6. In Qt 6.3 \u00e8 garantito il supporto per le piattaforme Windows 10, macOS 10.14+, Linux (Ubuntu 20.04, CentOS 8.2, openSUSE 15.3, SUSE 15 SP2), iOS 13+, Android 6+ (API 23+), webOS, INTEGRITY e QNX. I codici sorgente dei componenti Qt vengono forniti sotto le licenze LGPLv3 e GPLv2.       <\/p>\n<p>Principali novit\u00e0 in Qt 6.3:  <\/p>\n<ul>\n<li class=\"l\"> Nel modulo Qt QML \u00e8 stata proposta un'implementazione sperimentale del compilatore qmltc (compilatore di tipo QML), che consente di compilare strutture di oggetti QML in classi in C++. Per gli utenti commerciali, Qt 6.3 ha preparato il prodotto Qt Quick Compiler, che oltre al precedente QML Type Compiler include il QML Script Compiler, che consente di compilare funzioni ed espressioni QML in codice C++. Si sottolinea che l'uso del Qt Quick Compiler pu\u00f2 avvicinare le prestazioni delle applicazioni basate su QML a quelle delle applicazioni native; in particolare, si segnala che la compilazione delle estensioni ha ridotto il tempo di avvio e di esecuzione di circa il 20-35% rispetto all'utilizzo della variante interpretata.    <center><img decoding=\"async\" alt=\"Rilascio del framework Qt 6.3\" src=\"\/wp-content\/uploads\/2022\/04\/4f0b259a1be701958d7f4abe4570dcc9.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> \u00c8 stato implementato il modulo \u00abQt Language Server\u00bb con supporto per i protocolli Language Server e JsonRpc 2.0.\n<li class=\"l\"> Nel modulo Qt Wayland Compositor \u00e8 stato aggiunto un compositore. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a> Qt Shell e API per la creazione di estensioni personalizzate della shell utente.\n<li class=\"l\"> In Qt Quick Controls sono stati integrati i tipi QML CalendarModel e TreeView con implementazione delle interfacce per la visualizzazione del calendario e dei dati in un formato ad albero.    <center><img decoding=\"async\" alt=\"Rilascio del framework Qt 6.3\" src=\"\/wp-content\/uploads\/2022\/04\/38fe22b8724882af4b7cb3a52fc388d9.jpg\" style=\"display:block;margin: 0 auto;\" \/><img decoding=\"async\" alt=\"Rilascio del framework Qt 6.3\" src=\"\/wp-content\/uploads\/2022\/04\/78c551e7bbecab13fe00a8b76c9aa3b6.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Nel modulo Qt Quick Dialogs sono stati aggiunti i tipi QML MessageDialog e FolderDialog per l'utilizzo delle finestre di dialogo di sistema fornite dalla piattaforma, per la visualizzazione di messaggi e la navigazione tra i file.    <center><img decoding=\"async\" alt=\"Rilascio del framework Qt 6.3\" src=\"\/wp-content\/uploads\/2022\/04\/c7f4aa1f9144a25c10080de1612f167e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> In Qt Quick sono state migliorate le prestazioni e l'efficienza nella gestione del testo. Ad esempio, sono stati risolti i problemi di rallentamento del rendering e di elevato consumo di memoria durante la trasmissione di documenti molto grandi nei componenti Text, TextEdit, TextArea e TextInput.\n<li class=\"l\"> Nel modulo Qt Quick 3D \u00e8 stato aggiunto l'elemento QML ReflectionProbe per il rendering delle riflessioni degli oggetti. \u00c8 stata ampliata l'API 3D Particles per l'aggiunta di effetti alle scene 3D generati da grandi aggregazioni di particelle (fumo, nebbia, ecc.). \u00c8 stato implementato un nuovo elemento ResourceLoader, che fornisce strumenti per gestire le risorse in Qt Quick 3D e consente di organizzare il caricamento anticipato di grandi risorse, come mesh o texture, e di controllare la possibilit\u00e0 di scaricare risorse che non rientrano nell'area visibile della scena.    <center><img decoding=\"async\" alt=\"Rilascio del framework Qt 6.3\" src=\"\/wp-content\/uploads\/2022\/04\/c12b813dbc20a716c9ddb79ae1a5a841.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> \u00c8 stata aggiunta una implementazione preliminare del modulo Qt PDF, che era presente in Qt 5.15, ma non \u00e8 stata inclusa in Qt 6.    <center><img decoding=\"async\" alt=\"Rilascio del framework Qt 6.3\" src=\"\/wp-content\/uploads\/2022\/04\/0dd7575ec29c72ac59441c6d2e490b40.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Nel modulo Qt Core \u00e8 stata aggiunta una grande quantit\u00e0 di nuove funzioni, principalmente legate all'estensione delle capacit\u00e0 di elaborazione dei dati delle stringhe. In QLocale \u00e8 stato aggiunto il supporto per i codici delle lingue ISO639-2. In QDate, QTime e QLocale \u00e8 stato aggiunto il supporto per i specificatori di tempo AM\/PM. \u00c8 stato semplificato il processo di conversione tra i formati JSON e CBOR. Sono stati aggiunti i metodi QtFuture::whenAll() e whenAny().\n<li class=\"l\"> In Qt Positioning \u00e8 stata fornita la possibilit\u00e0 di definire la precisione dei dati sulla posizione forniti dalle piattaforme Android e iOS.\n<li class=\"l\"> In Qt Bluetooth \u00e8 stata garantita la visualizzazione delle informazioni sul supporto Bluetooth LE e sullo stato dell'adattatore Bluetooth in Windows.\n<li class=\"l\"> In Qt Widgets \u00e8 stata migliorata la supporto per schermi ad alta risoluzione, stili e modifiche all'aspetto tramite tabelle di stile.\n<li class=\"l\"> \u00c8 stato migliorato il sistema di build basato su CMake. \u00c8 stata aggiunta la funzione qt-generate-deploy-app-script(), che semplifica la generazione di script per il deployment delle applicazioni su diverse piattaforme.\n<li class=\"l\"> \u00c8 stato fatto un grande lavoro per migliorare la stabilit\u00e0 e la qualit\u00e0 del codice. Rispetto al rilascio di Qt 6.2, sono stati chiusi 1750 rapporti di errore.\n<li class=\"l\"> Nei prossimi rilasci significativi di Qt 6.x \u00e8 prevista l'implementazione completa del supporto per WebAssembly, QHttpServer, gRPC, backend per Qt Multimedia basato su FFmpeg, Qt Speech e Qt Location.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57010\">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 \u0440\u0435\u043b\u0438\u0437 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 Qt 6.3, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430 \u043f\u043e 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[&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":103767,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-103766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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 \u0440\u0435\u043b\u0438\u0437 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 Qt 6.3, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430 \u043f\u043e \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0438 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