Tom qab ua tiav tag nrho cov haujlwm ntawm daim duab (nws), nws yuav tsum txuag nws rau koj cov tawv hard thaum xaiv qhov chaw, hom thiab muab qee lub npe.
Niaj hnub no peb yuav tham txog kev txuag txoj haujlwm tiav hauv Photoshop.
Thawj qhov koj yuav tsum tau txiav txim siab ua ntej pib txoj kev cawm haujlwm yog hom ntawv.
Tsuas muaj peb hom kev qhia xwb. Nws yog Jpeg, PNG thiab Gif.
Cia peb pib nrog Jpeg. Hom ntawv no yog universal thiab tsim kom txuag tau cov duab thiab cov duab uas tsis muaj pob tshab.
Lub peculiarity ntawm cov hom ntawv yog hais tias nrog lub tom ntej qhib thiab editing, yog li-hu ua "JPEG artifacts", tshwm sim los ntawm kev poob ntawm ib tug xov tooj ntawm pixels ntawm qhov ntxoov nrab.
Los ntawm no nws ua raws li hais tias hom ntawv no yog tsim rau cov duab uas siv "raws li yog", uas yog, lawv yuav tsis muab kho dua.
Tom ntej no los ntawm hom ntawv PNG. Hom ntawv no ua rau koj khaws ib daim duab uas tsis muaj keeb kwm yav dhau los ntawm Photoshop. Daim duab no kuj muaj cov duab tom qab los yog cov khoom. Lwm hom ntawv tsis pab txhawb kom muaj kev pom zoo.
Tsis zoo li yav dhau los, PNG thaum rov kho dua (siv lwm txoj haujlwm) tsis poob hauv kev zoo (yuav luag).
Tus neeg sawv cev kawg ntawm tus qauv rau hnub no - Gif. Nyob rau hauv cov nqe lus ntawm zoo, qhov no yog qhov phem tshaj hom, raws li nws muaj ib tug txwv rau tus xov tooj ntawm cov xim.
Txawm li cas los Gif pub koj txuag cov animation hauv Photoshop CS6 rau hauv ib cov ntaub ntawv, uas yog, ib cov ntaub ntawv yuav muaj tag nrho cov animation thav kaw tseg. Piv txwv, thaum txuag animations hauv PNG, txhua cov kab ntawv raug sau ua ntaub ntawv nyias nyias.
Cia peb muaj qee yam kev xyaum.
Xav hu xovtooj rau kev khiav haujlwm, mus rau ntawm cov ntawv qhia "Cov Ntaub Ntawv" thiab nrhiav yam khoom ntawd "Tseg Rau"los yog siv cov hotkeys CTRL + SHIFT + S.
Tom ntej no, hauv qhov rais qhib, xaiv qhov chaw txuag, lub npe thiab hom ntawv.
Qhov no yog txoj cai dav dav rau txhua tus tawm tswv yim tsuas yog Gif.
JPEG tseg
Tom qab nias lub khawm "Txuag" Hom ntawv qhov rais muaj tshwm.
Substrate
Txij peb twb paub cov hom ntawv Jpeg tsis txhawb cov lus pom zoo, yog li thaum txuag cov khoom ntawm pob tshab tom qab, Photoshop tawm tswv yim hloov chaw nrog ib co xim. Lub neej ntawd yog dawb.
Image Parameters
Ntawm no yog daim duab zoo.
Ntau hom ntawv
Yooj yim (txuj ci) qhia txog cov duab ntawm kab ntawv hauv kab los ntawm kab, uas yog, hauv txoj kev niaj zaus.
Yooj yim optimized siv Huffman rau compression. Yuav ua li cas nws yog, Kuv yuav tsis piav, nrhiav koj tus kheej hauv lub network, qhov no tsis suav rau hauv zaj lus qhia. Kuv tsuas yog hais tias nyob rau hauv peb cov ntaub ntawv nws yuav cia me ntsis txo cov ntaub ntawv me me, uas hnub no tsis tseem ceeb.
Zuj zus tso cai rau koj los txhim kho duab zoo kauj ruam yog kauj ruam raws li nws muaj nyob hauv nplooj ntawv web page.
Nyob rau hauv kev xyaum, thawj feem thiab thib peb ntau yog feem ntau siv. Yog tias nws tsis tseeb meej vim li cas thiaj yuav tsum tau ua cov chav ua noj no, xaiv Basic ("txuj").
Tseg rau PNG
Thaum txuag mus rau hom ntawv no, lub qhov rais nrog qhov chaw kuj tau tso tawm kom pom.
Compression
Qhov chaw no tso cai rau koj kom muab qhov kawg ntawm qhov kawg PNG cov ntaub ntawv tsis tau zoo. Lub screenshot yog teeb tsa compression.
Hauv cov duab hauv qab no koj tuaj yeem pom qhov kev sib txuam ntawm kev sib txuam. Thawj lub vijtsam nrog cov duab sib txuas, ob qhov - nrog kev sib nyiaj.
Raws li koj tau pom, qhov txawv yog qhov tseem ceeb, yog li nws yuav ua rau kev txiav txim siab rau kev kos rau hauv pem hauv ntej "Qis tshaj / qeeb".
Interlaced
Customization "Deselect" tso cai rau koj qhia ib daim ntawv rau ntawm nplooj ntawv web tom qab nws ua tiav hlo, thiab "Interlaced" qhia cov duab nrog kev txhim kho kev txhim kho kom zoo.
Kuv siv cov chaw xws li tom thawj screenshot.
Tseg rau GIF
Los cawm cov ntaub ntawv (animation) hauv Gif tsim nyog rau hauv cov ntawv qhia zaub mov "Cov Ntaub Ntawv" xaiv yam khoom "Tseg rau Web".
Hauv qhov chaw qhib qhov rai, koj yuav tsis tau hloov dab tsi, vim tias lawv pom kev. Qhov tsuas yog tias thaum koj txuag cov animation, koj yuav tsum tau teem caij pes tsawg tus rov ua dua ntawm playback.
Kuv vam tias koj tau kawm cov lus qhia no, koj tau ua tiav cov duab txuag duab hauv Photoshop.
