{"id":86636,"date":"2020-06-27T19:42:48","date_gmt":"2020-06-27T17:42:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-chrome-predlozhen-novyj-interfejs-pdf-prosmotrshhika-i-dobavlena-podderzhka-avif"},"modified":"2020-06-27T19:42:48","modified_gmt":"2020-06-27T17:42:48","slug":"v-chrome-predlozhen-novyj-interfejs-pdf-prosmotrshhika-i-dobavlena-podderzhka-avif","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/v-chrome-predlozhen-novyj-interfejs-pdf-prosmotrshhika-i-dobavlena-podderzhka-avif","title":{"rendered":"V Chrome bol navrhnut\u00fd nov\u00fd rozhranie PDF prehliada\u010da a bola pridan\u00e1 podpora AVIF","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

S\u00fa\u010das\u0165ou Chromu je zahrnut\u00e1<\/a><\/noindex> je nov\u00e1 implement\u00e1cia rozhrania vstavan\u00e9ho prehliada\u010da dokumentov vo form\u00e1te PDF. Rozhranie sa vyzna\u010duje presunom v\u0161etk\u00fdch nastaven\u00ed do horn\u00e9ho panela. K\u00fdm predt\u00fdm sa v hornom paneli zobrazovalo iba n\u00e1zov s\u00faboru, inform\u00e1cie o str\u00e1nkach, tla\u010didl\u00e1 na ot\u00e1\u010danie, tla\u010d a ulo\u017eenie, teraz sa do neho presunul aj obsah bo\u010dn\u00e9ho panela, ktor\u00fd zah\u0155\u0148al ovl\u00e1dacie prvky na pribl\u00ed\u017eenie a umiestnenie dokumentu pod\u013ea ve\u013ekosti str\u00e1nky. Pridan\u00e1<\/a><\/noindex> mo\u017enos\u0165 ulo\u017eenia editovan\u00fdch PDF formul\u00e1rov, ako aj re\u017eim<\/a><\/noindex> dvojstranov\u00e9ho zobrazenia.<\/p>\n

Na aktiv\u00e1ciu nov\u00fdch funkci\u00ed s\u00fa navrhnut\u00e9 vlajky «chrome:\/\/flags#pdf-viewer-update», «chrome:\/\/flags\/#pdf-form-save» a «chrome:\/\/flags\/#pdf-two-up-view».<\/p>\n

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Medzi zmenami v Chrome si tie\u017e zasl\u00fa\u017ei pozornos\u0165 zapnutie<\/a><\/noindex> predvolen\u00e9 podpory form\u00e1tu obr\u00e1zkov AVIF<\/a><\/noindex> (AV1 Image Format), ktor\u00fd vyu\u017e\u00edva technol\u00f3gie vn\u00fatorkaden\u00e9ho kompresie z form\u00e1tu k\u00f3dovania videa AV1. Kontajner na distrib\u00faciu komprimovan\u00fdch d\u00e1t v AVIF je \u00faplne analogick\u00fd HEIF. AVIF podporuje ako obr\u00e1zky v HDR (High Dynamic Range) a farebnom priestore Wide-gamut, tak aj v \u0161tandardnom dynamickom rozsahu (SDR). V prehliada\u010di Firefox bola experiment\u00e1lna podpora AVIF pridan\u00e1 vo vydan\u00ed Firefox 77 (aktivuje sa cez image.avif.enabled v about:config).<\/p>\n

Predt\u00fdm sa v Chrome propagoval form\u00e1t obr\u00e1zkov WebP<\/a><\/noindex>, ktor\u00fd pod\u013ea testov<\/a><\/noindex> Google umo\u017e\u0148uje zmen\u0161i\u0165 ve\u013ekos\u0165 s\u00faborov s obr\u00e1zkami o 25%-34% pri zachovan\u00ed kvality na \u00farovni form\u00e1tu JPEG. Alternat\u00edvne testy ukazuj\u00fa<\/a><\/noindex>, \u017ee WebP nie je tak\u00fd efekt\u00edvny, ako by si \u017eelal — ak ho porovn\u00e1va\u0161 nie s referen\u010dn\u00fdm k\u00f3dova\u010dom cjpeg od JPEG Group, ale s pou\u017eit\u00edm efekt\u00edvnej\u0161ieho k\u00f3dova\u010da. MozJPEG<\/a><\/noindex>, tak v\u00fdhoda WebP je c\u00edti\u0165 len pri n\u00edzkych rozl\u00ed\u0161eniach (500px), ktor\u00e9 s\u00fa naj\u010dastej\u0161ie pou\u017e\u00edvan\u00e9 na webe. Pri rozl\u00ed\u0161en\u00ed 1000px s\u00fa v\u00fdsledky takmer identick\u00e9, a pri rozl\u00ed\u0161en\u00ed 1500px WebP dokonca zaost\u00e1va za MozJPEG. AVIF v t\u00fdchto testoch v\u00fdrazne prekon\u00e1va MozJPEG, cjpeg a WebP, a preto ho v\u00fdrobcovia prehliada\u010dov pova\u017euj\u00fa za perspekt\u00edvnej\u0161\u00ed form\u00e1t.<\/p>\n

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Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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