Mai Juyawa PDF zuwa PNG

Wannan sifar tana da, amma mai samarwa ba shi da alfa don ya ba shi — firam ɗin bidiyo da shafuka masu nunawa suna da launi mai launi, don haka duk piksel na zuwa da ƙarfi. Shirin alfa yana da amfani a bayan haka: yana nufin zaka iya yanke wani abu daga PNG bayan haka ba tare da canja sifar ba. PNG shi ne zaɓin da ya dace ga hotunan fuskar kwamfyuta, alamomin, zane-zane na layin da duk wani abu da ƙanƙanta ko ɓoyayyiyar ɓoyayyi

Mafi girma fiye da yadda kake tsammani, saboda PNG yana riƙe duk pixel daidai ba tare da kusantar ba. 1080p na ci gaba da zama a kusa da 2-5 MB kuma 4K yana ci gaba da zama a kusa da 6-15 MB, don haka wani dogon tafiyar da fitarwa na ƙarawa cikin sauri. Wannan shi ne daidai lokacin da hotunan ke ci gaba da sarrafawa, kuma ba daidai ba lokacin da suke tafiya kai tsaye zuwa wani shafi na yanar gizo. PNG na amfani da DEFLATE na ƙuntata kan scanlines masu siffantawa, don haka duk pixel na rayuwa daidai, tare da wani cikakken 8-bit alfa channel.

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Ya. Duk wani shafi yana nunawa kamar fayil ɗinsa na PNG, da aka lissafa a cikin tsari na shafi, don haka wata takarda mai shafi ɗaya tana ba da PNG guda kuma wata mai tsawo tana ba da hoton ɗaya a kowace shafi.

The Pager menu has two choices: all pages, which is the default, or the first page only. There is no way to type in a page range. For other pages, split the PDF into single pages with /pdf-split/ and convert the pages you need.

Ba haka ba — rasterizing PDF zuwa PNG zai canza rubutu zuwa pixels. Idan kana buƙatar fitarwa mai iya neman, ka riƙe PDF kamar PDF kuma ka yi amfani da kayan aikin fitar da rubutu a maimakon haka. fitarwa ta hoton (PNG) ita ce don nuna gani ko kuma ci gaba da sarrafa hoton.

An yi zane-zane ga shafuka a kan wani bango mai launin rawaya, don haka sifofin hotuna kamar PNG da JPG ba su da wurare masu haske, har ma inda shafi a cikin PDF bai da cika.

There is no fixed figure: it depends on the number of pages, the resolution you choose and how busy the servers are. A long document at 300 DPI takes noticeably longer than the same document at 72 or 150 DPI, and converting only the first page is the quickest option.

Wannan yana dogara da abin da ke cikin shafi da kuma daidaitacce. Shafuka da hotuna ko kuma bango mai launi suna ba da fayiloli masu girma fiye da shafuka na rubutu mai sauƙi. Rarraba daidaitacce yana ba da sau huɗu da yawa na pixels, don haka shafi mai 300 DPI yana da girma fiye da shafi mai daidaitacce mai 150 DPI.

Ba a cikin wannan shafi ba: kowace shafi tana da PNG ta kanta. Don haɗe su cikin hoton mai tsayi guda, sauke shafuka kuma ƙara su zuwa /image-merge/, wanda ke haɗe hoton daga sama zuwa ƙasa.