Menene Gaskiya?
A cikin hotuna na dijital, nuna gaskiya yana nufin cewa wasu pixels na iya zama gaba ɗaya ko gaba ɗaya ganuwa. Lokacin da kuka sanya hoto na gaskiya akan bango mai launi - gidan yanar gizon yanar gizo, zane, ko wani hoto - wuraren da ke bayyane suna nuna duk abin da ke bayansu maimakon launi mai ƙarfi.
Fassara yana da mahimmanci don tambura, yanke samfura, overlays, da kowane nau'i inda kuke son batun ku ya haɗu cikin sabon mahallin. Cire bango yana haifar da bayyana gaskiya ta hanyar sa asalin asalin baya ganuwa.
Alfa Channel
RGB vs RGBA
Yawancin hotuna suna amfani da RGB: kowane pixel yana da ƙimar Ja, Green, da Blue wanda ke bayyana launi. Hotunan bayyane suna ƙara ƙima ta huɗu: Alpha. RGBA yana nufin Red, Green, Blue, da Alpha. Tashar alpha tana ƙayyadaddun yadda kowane pixel yake ba da haske ko bayyananne.
Ƙimar Alpha
Alpha yawanci ana adana shi azaman lamba daga 0 zuwa 255 (ko 0% zuwa 100%). 0 = cikakken bayyane (marasa ganuwa). 255 = cikakken opaque (m). Ƙimar da ke tsakanin ƙirƙira tsaka-tsakin gaskiya - mai amfani ga gefuna masu laushi, inuwa, da tasirin gilashi.
| Alfa darajar | Ma'ana |
|---|---|
| 0 | Cikakken m |
| 128 | 50% m (Semi-transparent) |
| 255 | Cikakken duhu |
Siffofin da ke Goyan bayan Fahimci
PNG
PNG yana goyan bayan cikakken alpha (8-bit ko 16-bit). Shi ne tsarin da aka fi amfani da shi don bayyana hotuna. PNG ba shi da asara, don haka gefuna na nuna gaskiya suna tsayawa. Wannan shine daidaitaccen tsarin fitarwa don cire bangon baya.
WEBP
WEBP yana goyan bayan bayyana gaskiya tare da duka asara da matsi mara asara. Yawancin lokaci yana samar da ƙananan fayiloli fiye da PNG a irin wannan inganci. Haɓaka tallafi a cikin masu bincike da ƙa'idodi.
GIF
GIF yana goyan bayan fayyace binaryar kawai: pixel ko dai cikakke ne ko kuma cikakke. Babu cikakken nuna gaskiya. Iyakance zuwa launuka 256, don haka bai dace da hotuna ba.
TIFF
TIFF tana goyan bayan tashoshi na alpha kuma ana amfani dashi a cikin ƙwararrun ayyukan aiki. Karancin gama gari don isar da gidan yanar gizo saboda manyan girman fayil.
HEIC/HEIF
HEIC yana goyan bayan bayyana gaskiya kuma shine tsarin tsoho akan yawancin iPhones. QuickRemove yana karɓar HEIC azaman shigarwa kuma yana iya fitar da sakamako na gaskiya a cikin PNG ko WEBP.
Formats waɗanda basa goyan bayan fayyace
JPG/JPEG baya goyan bayan bayyana gaskiya. Wurare masu fayyace yawanci suna cike da tsayayyen launi (sau da yawa fari) lokacin juyawa daga tsarin da ke goyan bayan alfa. Idan kuna buƙatar bayyana gaskiya, fitarwa azaman PNG ko WEBP.
BMP yana da ƙayyadaddun tallafin alpha a wasu bambance-bambancen amma ba kasafai ake amfani da shi don bayyananniyar hotuna ba. Manne kan PNG ko WEBP don dacewa da duniya.
Shirya don gwada QuickRemove?
Zazzagewa kyauta, babu asusu da ake buƙata.
Yadda Fassara ke Aiki a Zane & Yanar Gizo
Yanar Gizo
Masu bincike suna nuna PNGs da WEBPs a sarari akan kowane bango - fari, masu launi, ko gradient. Tsarin allo da kuke gani a wasu editoci alama ce ta gani; baya bayyana a hoton karshe.
Zane Software
Kayan aiki kamar Photoshop, Figma, da Canva suna tallafawa yadudduka tare da nuna gaskiya. Wurare masu haske suna barin ƙananan yadudduka su nunawa. Fitarwa azaman PNG (ko WEBP) don adana fayyace lokacin motsa kadarori tsakanin ƙa'idodi.
Buga
Buga ba shi da "nuna gaskiya" a cikin hanya guda - ba za ku iya buga kome ba. Don bugawa, an bar wuraren bayyane a matsayin "knockout" (babu tawada) ko cike da keɓaɓɓen launi na baya. Tattauna tare da mai ba da bugun ku.
Rashin fahimta gama gari
"Farin bango = m"
A'a. Farin bangon baya fari ne mara kyau. Gaskiyar gaskiya tana nufin babu launi - pixel ba ya gani. Wasu masu farawa suna rikitar da farin bango tare da bayyana gaskiya; sun bambanta.
"Dukkan tsarin hoto yana goyan bayan bayyana gaskiya"
A'a. JPG baya goyan bayan bayyana gaskiya. Yi amfani da PNG ko WEBP lokacin da kuke buƙata.
"Bayyana yana ƙara girman fayil da yawa"
Fayilolin PNG tare da nuna gaskiya na iya zama girma fiye da JPG, amma tashar alpha kanta ba koyaushe ta ninka girman ba. Matsi yana taimakawa. WEBP sau da yawa yana samun ƙananan fayiloli masu haske fiye da PNG.
QuickRemove da Bayyana Gaskiya
QuickRemove shine aikace-aikacen tebur na Windows wanda ke ƙirƙirar hotuna masu gaskiya ta hanyar cire bayanan baya. Yana fitar da PNG (kuma yana iya aiki tare da WEBP) don adana cikakken alpha. Za a iya sanya abubuwan yanke ku a kowane bango a cikin kayan aikin ƙira, gidajen yanar gizo, ko bugu na aiki. Duk aiki yana faruwa a gida - hotuna ba sa barin PC ɗin ku.