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?
+
Ka shigar da fayil ɗinka WebP kuma mai maida zai yi amfani da inganta ingancin da ya dace da siffar PNG. Ga PNG mara asara (PNG, TIFF, BMP) ana kiyaye duk piksel; ga PNG mai asara (JPG, WebP) zaka iya daidaita ma'aunin inganci 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 musanya WebP zuwa PNG zai mayar da ingancin abin da aka rasa?
+
No. The compression artifacts already baked into the WebP are ordinary pixel data now, and PNG preserves them perfectly rather than removing them. The file usually gets larger, sometimes several times larger. It still worth doing before editing, because further edits will not stack a second generation of loss on top. 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 WebP har yanzu yana da darasi na biyu a waje na mai bincike - shirye-shiryen aiki na bugawa, da manyan gine-ginen ofishin da wasu galere na wayar ba su yarda da shi ba.
Shin PNG na riƙe bayanan EXIF daga WebP na?
+
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?
+
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?
+
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 a cikin sakamakon, to, ka yi niyya ga PNG mai haske mai sani a matsayin PNG=JPG. 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?
+
An karanta siffofin launin ICC da aka rufe daga WebP kuma an 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, wanda ke kiyaye launuka daidai a kan mafi yawan fuskokin nunawa na zamani.
Me ya faru game da metadata EXIF yayin canja WebP zuwa PNG?
+
An kiyaye EXIF na kamara (ISO, shutter, lens, GPS coords) bisa diff yayin WebP → PNG idan nau'ikan biyu suna goyon bayan metadata. Yi amfani da zaɓin sirri don cire metadata kafin sauke idan kana buƙatar raba hotuna ba tare da wurin geolokaci ba.
Shin zan iya canja fayiloli WebP da yawa zuwa PNG a lokaci guda?
+
Na'am — ka ja fayiloli WebP da yawa cikin yankin shigarwa kuma mu sanya su cikin jerin gwano a daidai. Masu amfani da kyauta suna samun 100 MB ga kowace fayil; Premium ba ta da iyaka ga kowace fayil kuma tana tafiyar da wasu masu aiki 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?
+
Domin canja siffar kai tsaye muna tafiyar da irin libpng / libjpeg-turbo / libwebp / ImageMagick da mai sarrafa kwamfyutan tebur ke amfani da shi, tare da ingancin fitarwa guda. bambancin shine sarrafa kwasfa mai daidaituwa — shiri-shiri na kwamfyutan tebur suna buɗe fayil ɗaya a lokaci; muna karɓar kwasfa.
Mene ne ma'anar fayil PNG na?
+
Diff ɗin shi ne 1:1 — PNG ɗinka na riƙe da girman piksel na wurin asali WebP. Idan kana buƙatar canza girman kamar wani ɓangare na canja wurin, ka yi amfani da /resize-image/ bayan canja wurin, ko kuma ka haɗa shi da kayan aikin /image-resize/.
Yaya ƙaramin PNG zai iya zama ba tare da artifacts masu gani ba?
+
Ga JPG / WebP, inganci 75-85 na iya samun 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 kyau.
Shin fayilolina WebP na sirri ne yayin canjawa?
+
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/.
Fayilolin PNG suna da haɗin kai da haske da kuma amfani da ƙunsar da ba ta da asara, wanda ke sanya su da kyau ga zane-zane, alamomin, da hotunan fuskar kwamfyuta.
