Video: PNG hom ntaub ntawv siv rau dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
ntaub ntawv . feem ntau siv khaws cov duab hauv web, cov duab digital, thiab cov duab nrog pob tshab keeb kwm yav dhau.
Ib yam li ntawd, tib neeg nug, dab tsi yog daim duab PNG?
A ntaub ntawv nrog rau extension yog aPortable Network Graphics ntaub ntawv . Cov hom ntawv siv losslesscompression thiab feem ntau suav tias yog hloov mus rau GIF duab hom ntawv. Txawm li cas los xij, tsis zoo li GIF, tsis txhawb cov animations. feem ntau yog siv los khaws cov duab ntawm cov vev xaib.
PNG dhau JPEG yog tias qhov compression yog lossless, txhais tau tias tsis muaj qhov tsis sib xws txhua zaus nws qhib thiab txuag dua. PNG kuj tuav cov ncauj lus kom ntxaws, siab sib piv cov duab zoo.
A ib ib duab nyob rau hauv cov qauv txuas ntxiv ntawm "chunks", encoding cov pixels yooj yim thiab lwm cov ntaub ntawv xws li cov lus hais thiab kev ncaj ncees checksdocumented hauv RFC 2083. ze li ib txwm siv lub ntaub ntawv txuas ntxiv PNG los yog png thiab yog muab MIME hom media duab / png.
hom ntawv yog alossy compressed ntaub ntawv hom ntawv . Qhov no ua rau nws muaj txiaj ntsig zoo khaws cov duab ntawm qhov me me dua li BMP.
Pom zoo:
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