Mataki na 1: Loda naka WebP fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.
Mataki na 2: Danna maɓallin 'Maida' don fara hira.
Mataki na 3: Sauke fayil ɗin da aka canza PNG fayiloli
WebP zuwa PNG Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza WebP zuwa PNG ba tare da rasa ingancin hoton ba?
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Ka shigar da fayil ɗinka WebP kuma mai maidamu zai yi amfani da inganta ingancin da ya dace da siffar fayil ɗinka ga fitarwa PNG. Ga burin da ba'a rasa ba (PNG, TIFF, BMP) ana kiyaye kowane piksel bit-da-bit; ga burin da aka rasa (JPG, WebP) zaka iya daidaita ma'aunin inganci (90 na asali) kafin ka sauke shi. WebP na ba da hanyoyi biyu masu asara da ba-da-hasara, tare da alfa cece-kuce da motsi da ke da amfani a cikin kowanne. 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.
Shin PNG na riƙe bayanan EXIF daga WebP na?
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A matsayin diff, na'am, duk inda manufar take da wani wuri don sanya shi - nau'in kamara, daidaitattun nunawa, linzamin kwamfuta da GPS coordinates duk suna daukewa. GPS shine filin da ya cancanci tunani: idan hoton zai kasance an wallafa shi, amfani da zaɓin metadata-strip don haka ba ka daukewa inda hoton aka dauka. WebP ne Google na 2010 image format, gina daga VP8 keyframe encoder da kuma nufin su maye gurbin JPG, PNG da GIF a lokaci guda.
An yi motsi da WebP na - me ya faru da sauran firam?
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Firam na farko kawai zai tsira, saboda PNG wani nau'in tsari ne mai tsayawa da ba da wurin adana sauran ba. Idan motsi yana da muhimmanci, ka yi niyya ga wani nau'in tsari wanda ke motsi, ko kuma ka canja zuwa wani kontener na bidiyo a maimakon haka ka riƙe motsin. PNG wani nau'in hoto ne mai rauni: hoton da aka adana kamar PNG yana da girman sau biyar zuwa goma fiye da hoton da aka adana kamar JPG ko WebP.
Shin canji daga WebP zuwa PNG zai kiyaye haske?
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Haske zai ci gaba idan PNG ya kasance PNG, WebP, TIFF, GIF, ko SVG. Canja zuwa JPG zai sauya layin alfa zuwa bango mai fari — idan kana buƙatar haske, za ka iya zaɓar wani abu mai haske mai sani a matsayin PNG. An tsara PNG a cikin 1996 kamar wani mai mayewa mai kyautar patent ga GIF, kuma ya zama format na zane mai sauki na yanar gizo.
Shin siffar launina (sRGB / Adobe RGB / CMYK) za ta tsira daga WebP zuwa PNG?
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An karanta siffofin launin ICC da aka rufe daga wurin asali WebP kuma aka sake haɗa su zuwa fitarwa PNG inda siffar ke goyon baya (JPG, PNG, TIFF, WebP). Siffofin da ba su da goyon bayan siffar suna komawa zuwa sRGB tare da mataki na tabbaci.
Me ke faruwa da metadata EXIF idan an canja WebP zuwa PNG?
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An kiyaye EXIF na kamara (ISO, shutter, lens, GPS) bisa diff yayin WebP -> PNG idan nau'ikan biyu suna goyon bayan metadata. Yi amfani da toggle na sirri don cire metadata kafin sauke idan kana so ka raba hotuna ba tare da nuna wurin geolokaci ko na'urar-fingerprint ba.
Na'am — ka drag da fayiloli WebP da yawa cikin yankin shigarwa kuma su zauna a cikin jerin gwano a daidai. Mataki na kyauta yana karɓar 100 MB ga kowace fayil; Premium ba shi da iyaka ga kowace fayil kuma yana tafiyar da masu aiki da yawa a daidai, don haka wani bangare na hotuna 200 na iya kammala cikin minti biyu.
Ta yaya WebP zuwa PNG ke bambanta da Photoshop / GIMP ga aikin guda ɗaya?
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@ action
Mene ne ƙudurin da girman fayil PNG?
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Halin diff shine 1:1 — fitarwa PNG tana da daidaitattun girman piksel kamar yadda wurin asali WebP. Idan kana buƙatar sake girman kamar wani ɓangare na canja wurin, ka yi amfani da /resize-image/ bayan, ko kuma ka haɗa ayyukan da kayan aiki na /image-pipeline/.
Yaya ƙaramin fayil PNG zai iya zama ba tare da artifacts masu gani ba?
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Ga JPG / WebP, inganci 75-85 na da PNG 60-80% mafi ƙaranci daga WebP ba tare da bambanci mai gani ba a tsayin gani na yau da kullum. Ga PNG mara asara (PNG, TIFF), ka yi tsammanin adadin da za'a iya adana ya fi ƙaranci — a kan 5-30% ta hanyar ficewa / LZW mai ƙuntata fiye da abin da ma'anar ta kasance da shi. 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
Shin fayilolina WebP na sirri ne yayin canjawa?
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Na'am — an yi aiki da fayilolin WebP da aka tura a cikin masu aiki masu tsalle-tsalle kuma an share su cikin minti. Ba za mu karanta, adana, ko raba bayanan piksel ba. An yi takardar takaddun tagar tsare-tsaren a /privacy/.
Shin mai canza WebP zuwa PNG yana aiki ga hotuna masu girma sosai (50MP+)?
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Na'am don kyauta har zuwa 100 MB. Premium na iya sarrafa shigarwa masu girma (300 MB+) da zurfin pixel daban-daban (16-bit PNG, 32-bit float TIFF, HEIF 10-bit). Pipeline na fitar da layuka na pixel don haka amfani da ƙwaƙwalwar ajiya yana daidaita da adadin layuka, ba adadin pixels gaba ɗaya ba.
