Graphic hom. JPEG, GIF thiab PNG - lub feem ntau graphics tawm tswv

Cov feem nrov duab tawm tswv yim, kev nyuaj siab los ntawm Internet cov neeg siv - JPEG, GIF, thiab PNG. Wb tham txog cov yam ntxwv ntawm txhua tus ntawm lawv, peb muab ib nyuag kev piav qhia thiab qhia kom meej rau tau. Cia peb kuj yuav ua li cas koj yuav ceev nrooj rov hom dluab nrog rau ntau yam kev pab cuam thiab txawm nraaj editors, raws li tsis yog txhua ntaus ntawv yuav nyeem tshiab los yog tsis tshua muaj heev duab tawm tswv yim.

Yuav ua li cas yog ib tug graphics hom ntawv?

Yuav pib nrog peb hais ob peb lo lus hais txog lub tswvyim ntawm graphical hom ntawv, nyob rau hauv thiaj li yuav ua rau nws dlaim phaj nws yog dab tsi peb yuav soj ntsuam nrog. Qhov no txhais hais txog tus qauv ntawm cia ntawm graphical ntaub ntawv, xws li tag nrho cov hom ntawm cov dluab thiab cov duab. Txhua graphical hom muaj nws tus kheej txoj kev, nta thiab tau. Nyob rau hauv no, tus duab tib yam muaj ntau extension, tej zaum yuav muaj ib tug txawv loj, xim tob, nta ntawm kev siv.

Faib raster, vector, thiab txawm complex tawm tswv yim. Tab sis nyob rau hauv no tsab xov xwm uas peb yuav tham txog bitmap graphics thiab yuav ua li cas cia nws, vim feem ntau ntawm cov ntaub ntawv muaj ib tug extension uas hais tias tus duab yog hais rau nws.

JPEG - qub thiab txhim khu kev qha

Cia peb pib nrog rau feem ntau nrov thiab ntau expansion. Yog li, lub hom ntaub ntawv yog JPEG (uas yog tseem qhia los ntawm txhais tau tias ntawm ib tug ntxiv yuav txo tau - JPG) common rau tej qhov chaw ntawm lub Internet feem ntau. Nco ntsoov tias, txawm koj cov duab noj rau lub koob yees duab los yog mobile xov tooj yog ib tug extension .jpeg.

Qhov no hom ntawv yog siv lug txoj kev duab compression, uas tej zaum kuj muaj feem xyuam rau qhov zoo ntawm cov dluab. Nws yog heev nrov, txawm lub fact tias ib tug daim ntawv tso cai yuav tsum tau rau nws siv. Cov xim tob yog 24 me me.

GIF - tsim rau cia ntawm animated dluab thiab tsis tsuas

Yog li ntawd, saib nrog koj tus JPEG hom ntawv, peb yuav tsum tau hais tus thib ob feem ntau nrov - GIF. Nws - ib tug ntawm cov hiob nyob rau hauv lub ntiaj teb no raster graphics. Nws kuj yog siv rau kev sib koom dluab ntawm lub Internet, nyob rau hauv particular - e-mail. Compression tshwm sim tsis poob zoo, thiab xim tob ntawm 8 khoom. Nws txhawb tsis tau tsuas yog transparency, tab sis kuj animation.

Nws yog ib nqi kom nco ntsoov hais tias thaum converting animation nyhuv yog poob, ntawm chav kawm, yog tias koj xaiv ib tug cov hom ntaub ntawv tsis txhawb nws.

PNG GIF raws li ib tug tshiab analogue

Peb sib tham nrog koj JPEG thiab GIF hom ntawv, tab sis tam sim no wb tham txog PNG. Nws muaj ntau yam Internet cov neeg siv hu ua tus paub version ntawm lub GIF. Yog vim li cas rau qhov no yog hais tias nws yog raws li nyob rau hauv tib txoj kev cia, raws li cov ntaub ntawv nrog rau cov extension .gif. Tam sim ntawd rov qab hais tias, tsis zoo li nws cov thawj ntawm, nws tsis yuav tsum tau daim ntawv tso cai, uas yog ib qho tseem ceeb.

Thaum compressing ntaub ntawv, cov duab zoo tsis raug kev txom nyem, raws li nyob rau hauv lub yav dhau los hom ntawv. Nyob rau hauv cov ntaub ntawv no, lub ntsiab qhov txawv yog hais tias nws tso cai rau koj siv cov xov tooj unlimited ntawm cov xim. Nws yuav tsum tau muab sau tseg tias cov xim tob yuav ua tau mus txog rau 48 khoom. Vim lub fact tias cov hom ntawv yog tus tshiab, nws twb tsis tau tau txais lub ntiaj teb no tej chaw, tab sis tam sim no nws muaj peev xwm yuav nrhiav tau nyob rau hauv Internet.

Yuav ua li cas hloov ib qho? Program hloov qhov yuav ncua ntxiv

Yog li ntawd, peb yuav rhuav JPEG, GIF thiab PNG - lub feem ntau extensions qhia bitmap graphics. Tam sim no wb tham txog yuav ua li cas los mus hloov lub hom ntawm ib cov duab.

Tej zaum koj yuav tsum nrog xws li ib tug teeb meem, lub browser, qhov kev pab cuam, tus ntaus tsis txhawb cov ntaub ntawv nrog ib tug kev extension, tshwj xeeb tshaj yog yog hais tias tus qub ntaus ntawv, thiab cov hom ntawv yog tus tshiab. Nyob rau hauv xws li mob muaj yog ib tug yuav tsum tau rau reformatting duab. Yuav ua li cas los daws kom tau qhov teeb meem no kom sai li sai tau?

Yuav kom hloov cov hom ntawv, koj siv tau cov txheej txheem kev pab cuam Xim. Piv txwv li, peb yuav tsum to taub yuav ua li cas kom hloov mus rau jpeg cov duab. Ua li no, tsuas qhib rau yam duab uas siv cov xim kev pab cuam, los yog los ntawm txhaj rau cov kev kawm duab, right-click, xaiv "Change." Tom qab qhib cov duab, xaiv cov zaub mov "Cov ntaub ntawv" (nyob rau hauv tshiab versions ntawm qhov kev pab cuam lub ntsiab qhov rai), xaiv "Txuag li" thiab mam li xaiv lub thawv nyob rau hauv lub hom koj xav tau, nyob rau hauv cov ntaub ntawv no - JPEG los yog JPG.

Rau cov hom phiaj haum thiab paub zoo rau tag nrho cov CorrelDRAW, PhotoShop, thiab tshwj xeeb fotokonvertery: PicJet Converter, FastStone PhotoResizer thiab ntau lwm tus neeg. Ib txhia ntawm lawv tso cai rau koj mus ua batch ua cov dluab, uas ho thiaj li lub sij hawm mus ua hauj lwm nrog lawv.

tshwm sim

Peb tag nrho cov to taub hais tias xws li ib tug nraaj hom ntawv, taw tes qhia tawm lub ntsiab sib txawv ntawm cov loj nrov duab tawm tswv yim, lawv tau, muab ib nyuag lus piav qhia txog txhua ntawm lawv. Tsis tas li ntawd pom tias JPEG hom ntawv yog feem ntau nrov thaum lub caij.

Peb kuj kawm tau li cas kom sai hloov cov duab loj siv rau tus txheej txheem software ntsia koj lub computer los yog laptop. Tsis tas li ntawd hais tias ib tug ob peb lo lus hais txog qhov tseeb hais tias muaj tshwj xeeb converters, uas koj tau sai thiab yooj yim hloov cov hom duab.