{"id":183809,"date":"2026-10-13T16:53:22","date_gmt":"2026-10-13T14:53:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/reliz-shriftovogo-dvizhka-freetype-2-15"},"modified":"2026-10-13T16:53:27","modified_gmt":"2026-10-13T14:53:27","slug":"freetype-2-15-font-engine-released","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/freetype-2-15-font-engine-released","title":{"rendered":"Pubblicazione del motore di font FreeType 2.15","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dopo un anno di sviluppo, \u00e8 stato rilasciato FreeType 2.15.0, un motore di font modulare che fornisce un'API unificata per standardizzare la gestione e la visualizzazione dei dati sui caratteri in vari formati vettoriali e raster. Il codice del progetto \u00e8 stato scritto in C e distribuito sotto una licenza simile alla BSD di FreeType. <\/p>\n<p>Tra le modifiche:<\/p>\n<ul>\n<li class=\"l\"> \u00c8 stato aggiunto il supporto per la quinta edizione del formato di font ISO Open Font (ISO\/IEC 14496-22:2026), portato mediante AI dalla libreria di layout dei glifi HarfBuzz e altre implementazioni. A differenza della quarta edizione, rilasciata nel 2019, la nuova versione del formato Open Font consente di includere pi\u00f9 di 65536 glifi; \u00e8 stata aggiunta la tabella \u00abGLYF\u00bb per i contorni che combinano segmenti cubici e conici; \u00e8 stata proposta una versione pi\u00f9 compatta della tabella \u00abVARC\u00bb, che permette di ridurre del 90% le dimensioni dei font variabili con geroglifici.\n<li class=\"l\"> Nel rasterizzatore, che fornisce l'anti-aliasing, grazie all'allocazione dinamica della memoria per glifi di grandi dimensioni, \u00e8 stata significativamente aumentata la performance nel rendering di glifi di dimensione superiore a 40 ppem.\n<li class=\"l\"> Aggiunto un driver sperimentale per i font HVF (Hierarchical Variation Font), fornito da Apple, attualmente funzionante solo su macOS.\n<li class=\"l\"> Nell'interprete del formato TrueType \u00e8 stato ampliato il supporto per la tecnologia di anti-aliasing ClearType, consentendo di migliorare la qualit\u00e0 di rendering di font come \u2018Comic Sans MS\u2019, \u2018Segoe UI\u2019, \u2018Calibri\u2019, \u2018Corbel\u2019, \u2018Constantia\u2019, \u2018Malgun Gothic\u2019 e \u2018SimSun\u2019. \u00c8 stato garantito l'utilizzo delle informazioni dalla tabella gasp (Grid-fitting and Scan-conversion Procedure) per il cosiddetto smoothing e l'allineamento sulla griglia dei pixel, migliorata l'emulazione dell'hinting orizzontale ClearType, e migliorata la gestione delle istruzioni di arrotondamento del glifo (ROUND) e l'applicazione dei valori di controllo (CVT - Control Value Table).\n<li class=\"l\"> Aggiunto un port per il sistema operativo Plan 9.\n<li class=\"l\"> Eliminate le vulnerabilit\u00e0: CVE-2026-95512 - esaurimento della memoria e carico elevato sulla CPU durante l'elaborazione di font formattati specialmente in formato CID; CVE-2026-50811 - lettura fuori dai limiti del buffer utilizzando le funzioni TT_Get_Var_Design e T_Get_Var_Design_Coordinates; CVE-2026-27171 - vulnerabilit\u00e0 nel vecchio codice integrato di zlib, che porta a un ciclo infinito.\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66454\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 FreeType 2.15.0, \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u043e\u0433\u043e \u0448\u0440\u0438\u0444\u0442\u043e\u0432\u043e\u0433\u043e \u0434\u0432\u0438\u0436\u043a\u0430, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0435\u0434\u0438\u043d\u044b\u0439 API \u0434\u043b\u044f \u0443\u043d\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0432\u044b\u0432\u043e\u0434\u0430 \u0448\u0440\u0438\u0444\u0442\u043e\u0432\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0432\u0435\u043a\u0442\u043e\u0440\u043d\u044b\u0445 \u0438 \u0440\u0430\u0441\u0442\u0440\u043e\u0432\u044b\u0445 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u0445. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 BSD-\u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0439 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 FreeType. \u0421\u0440\u0435\u0434\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u044f\u0442\u043e\u0439 \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u0438 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0448\u0440\u0438\u0444\u0442\u043e\u0432 ISO Open Font (ISO\/IEC 14496-22:2026), \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 AI [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183809","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=\"\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 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