{"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\/cs\/blog\/news\/freetype-2-15-font-engine-released","title":{"rendered":"Vyd\u00e1n\u00ed fontov\u00e9ho enginu FreeType 2.15","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po roce v\u00fdvoje byl uveden na trh FreeType 2.15.0, modul\u00e1rn\u00ed fontov\u00fd engine, poskytuj\u00edc\u00ed jednotn\u00e9 API pro unifikaci zpracov\u00e1n\u00ed a v\u00fdstupu fontov\u00fdch dat v r\u016fzn\u00fdch vektorov\u00fdch a rastrov\u00fdch form\u00e1tech. K\u00f3d projektu je naps\u00e1n v jazyce C a je distribuov\u00e1n pod licenc\u00ed podobnou BSD. <\/p>\n<p>Mezi zm\u011bnami:<\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora p\u00e1t\u00e9 verze form\u00e1tu p\u00edsem ISO Open Font (ISO\/IEC 14496-22:2026), portovan\u00e1 pomoc\u00ed AI z knihovny pro rozlo\u017een\u00ed glyf\u016f HarfBuzz a dal\u0161\u00edch implementac\u00ed. Na rozd\u00edl od \u010dtvrt\u00e9 verze vydan\u00e9 v roce 2019, nov\u00e1 varianta form\u00e1tu Open Font umo\u017e\u0148uje um\u00edst\u011bn\u00ed v\u00edce ne\u017e 65536 glyf\u016f; byla p\u0159id\u00e1na tabulka &laquo;GLYF&raquo; pro kontury spojuj\u00edc\u00ed kubick\u00e9 a ku\u017eelov\u00e9 segmenty; byl navr\u017een kompaktn\u011bj\u0161\u00ed variant tabulky &laquo;VARC&raquo;, kter\u00e1 umo\u017e\u0148uje sn\u00ed\u017eit velikost variabiln\u00edch p\u00edsem s hieroglyfy o 90%.\n<li class=\"l\"> Ve rasteriz\u00e1toru, kter\u00fd zaji\u0161\u0165uje vyhlazov\u00e1n\u00ed, v\u00fdrazn\u011b zvy\u0161uje v\u00fdkon vykreslov\u00e1n\u00ed glyf\u016f v\u011bt\u0161\u00edch ne\u017e 40 ppem d\u00edky dynamick\u00e9mu p\u0159id\u011blov\u00e1n\u00ed pam\u011bti pro velk\u00e9 glyfy.\n<li class=\"l\"> Byl p\u0159id\u00e1n experiment\u00e1ln\u00ed ovlada\u010d pro p\u00edsma HVF (Hierarchical Variation Font), poskytnut\u00fd spole\u010dnost\u00ed Apple a aktu\u00e1ln\u011b funguj\u00edc\u00ed pouze v macOS.\n<li class=\"l\"> V interpretu form\u00e1tu TrueType byla roz\u0161\u00ed\u0159ena podpora technologie vyhlazov\u00e1n\u00ed textu ClearType, co\u017e zlep\u0161ilo kvalitu vykreslov\u00e1n\u00ed takov\u00fdch p\u00edsem, jako jsou &lsquo;Comic Sans MS&rsquo;, &lsquo;Segoe UI&rsquo;, &lsquo;Calibri&rsquo;, &lsquo;Corbel&rsquo;, &lsquo;Constantia&rsquo;, &lsquo;Malgun Gothic&rsquo; a &lsquo;SimSun&rsquo;. Byla zaji\u0161t\u011bna vyu\u017eit\u00ed dat z tabulky gasp (Grid-fitting and Scan-conversion Procedure) pro vyhlazen\u00ed a zarovn\u00e1n\u00ed na pixelovou s\u00ed\u0165, byla zlep\u0161ena emulace horizont\u00e1ln\u00edho hintonov\u00e1n\u00ed ClearType, byla zlep\u0161ena zpracov\u00e1n\u00ed instrukc\u00ed zaoblen\u00ed glyfu (ROUND) a aplikace kontroln\u00edch hodnot (CVT \u2014 Control Value Table).\n<li class=\"l\"> Byl p\u0159id\u00e1n port pro opera\u010dn\u00ed syst\u00e9m Plan 9.\n<li class=\"l\"> Byly odstran\u011bny zranitelnosti: CVE-2026-95512 \u2014 vy\u010derp\u00e1n\u00ed pam\u011bti a zv\u00fd\u0161en\u00e1 z\u00e1t\u011b\u017e CPU p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch p\u00edsem ve form\u00e1tu CID; CVE-2026-50811 \u2014 \u010dten\u00ed z mimo oblast bufferu p\u0159i pou\u017eit\u00ed funkc\u00ed TT_Get_Var_Design a T_Get_Var_Design_Coordinates; CVE-2026-27171 \u2014 zranitelnost ve star\u00e9m vestav\u011bn\u00e9m k\u00f3du ze zlib, kter\u00e1 vede k nekone\u010dn\u00e9mu cyklu.\n<\/ul>\n<p>Zdroj: <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 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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