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 BMP fayiloli
WebP zuwa BMP Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza WebP zuwa BMP 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 BMP. Ga BMP mara asara (PNG, TIFF, BMP) ana kiyaye duk piksel; ga BMP 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. BMP na da alama yana adana layuka na pixels da ba'a ƙuntata su ba da wani babban fayil mai ƙarancin girma, wanda shi ne dalilin da ya sa yake da sauƙin rarrabawa.
Shin ɓoyayyun bayanai za su tsira daga canja WebP zuwa BMP?
+
Haƙĩƙa — BMP ba ta da wani gidan rediyon alfa, don haka yankuna masu haske ana haɗa su da launin bango, fari sai ka canza shi. Wannan shi ne abin mamaki mafi yawan gaske a cikin wannan canji: wata alamar da ta yi kama da kyau a kan wata fuskar fuska mai duhu tana zuwa tare da wani akwatin fari a kusa da ita. Ka ƙayyade launin matsi don ya haɗu da inda kowane hoton zai zauna, ko kuma ka zaɓa wani mataki da zai riƙe alfa. BMP yana da girma — hoton megapixel 12 yana da girman MB 36 — kuma babu mai bincike da zai iya kula da shi kamar wani siffar yanar gizo mai hankali.
Shin musanya WebP zuwa BMP zai mayar da ingancin abin da aka rasa?
+
No. The compression artifacts already baked into the WebP are ordinary pixel data now, and BMP 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. BMP ba ta bukata wata ɗakin karatun decoder ba a gaba ɗaya, don haka tana da matsayin format na musanya mai aminci ga tsarin da aka rufe da kuma kayan aikin Windows na baya. 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 BMP 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 BMP 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.
Shin canji daga WebP zuwa BMP zai kiyaye haske?
+
Haske zai ci gaba idan BMP 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 BMP mai haske mai sani a matsayin BMP=JPG. BMP shine Windows Bitmap, format ɗin raster na ƙanƙanta wanda aka ƙera cikin Windows tun daga 1985.
Shin siffar launina (sRGB / Adobe RGB / CMYK) za ta tsira daga WebP zuwa BMP?
+
An karanta siffofin launin ICC da aka rufe daga WebP kuma an sake haɗa su zuwa fitarwa BMP 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 BMP?
+
An kiyaye EXIF na kamara (ISO, shutter, lens, GPS coords) bisa diff yayin WebP → BMP 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 BMP 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 BMP 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 BMP na?
+
Diff ɗin shi ne 1:1 — BMP 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 BMP zai iya zama ba tare da artifacts masu gani ba?
+
Ga JPG / WebP, inganci 75-85 na iya samun BMP 60-80% mafi ƙaranci daga WebP ba tare da bambanci mai gani ba a tsayin gani na yau da kullum. Ga BMP 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.
