GIMP graphical editor: algorithm rau kev ua cov haujlwm

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Ntawm ntau cov kws kho cov duab, nws tsim nyog ua kom pom GIMP program. Nws yog daim ntawv thov nkaus xwb uas nyob hauv nws txoj haujlwm yog kev coj ua tsis tau qis dua rau kev them nyiaj, piv txwv li hauv Adobe Photoshop. Cov neeg tuaj yeem ntawm qhov kev kawm no rau kev tsim thiab kho cov duab yog qhov zoo heev. Cia peb pom yuav ua haujlwm li cas hauv GIMP daim ntawv thov.

Rub tawm qhov tseeb ntawm GIMP

Tsim daim duab tshiab

Ua ntej tshaj plaws, peb yuav kawm paub yuav tsim lub ntsej muag yam ntxwv tshiab. Txhawm rau tsim daim duab tshiab, qhib ntu "Cov Ntawv" hauv cov ntawv qhia zaub mov tseem ceeb thiab xaiv cov "Tsim" hauv cov npe uas qhib.

Tom qab ntawd, lub qhov rais qhib tom hauv ntej ntawm peb, nyob rau hauv uas peb yuav tsum nkag mus rau qhov pib thawj ntawm daim duab tsim. Ntawm no peb tuaj yeem tsim qhov dav thiab qhov siab ntawm daim duab yav tom ntej hauv pixels, nti, millimetres, lossis lwm chav. Tam sim ntawd, koj tuaj yeem siv ib qho ntawm cov qauv no, uas yuav pab tau txuag lub sijhawm ntawm kev tsim duab.

Tsis tas li ntawd xwb, koj tuaj yeem qhib cov kev xaiv qib siab, uas qhia tau qhov kev daws teeb meem ntawm daim duab, qhov chaw xim, thiab keeb kwm yav dhau los. Yog tias koj xav tau, piv txwv li, tias daim duab muaj lub keeb kwm yav dhau los pob tshab, tom qab ntawd "Sau" yam khoom, xaiv cov "xaiv pob tshab" xaiv. Hauv cov chaw siab heev, koj tuaj yeem ua cov lus ntawm daim duab. Tom qab koj tau ua tiav tag nrho cov kev teeb tsa, nyem rau ntawm "OK" khawm.

Yog li, daim duab npaj tau. Tam sim no koj tuaj yeem ua haujlwm ntxiv los muab nws cov tsos ntawm cov duab uas muaj peev xim.

Yuav txiav thiab muab ntxig rau ib qho txheej txheem kwv

Tam sim no cia peb paub yuav ua li cas txiav tus qauv npaj ntawm ib qho khoom los ntawm ib daim duab thiab muab tshuaj txhuam rau lwm qhov keeb kwm yav dhau los.

Peb qhib cov duab peb xav tau los ntawm kev rov qab mus rau qhov "Cov Ntaub Ntawv" cov ntawv qhia zaub mov, thiab tom qab ntawd mus rau "Qhib" cov khoom me.

Hauv qhov rai uas qhib, xaiv daim duab.

Tom qab cov duab tau qhib hauv qhov program, mus rau sab laug ntawm lub qhov rai, uas muaj ntau yam cuab yeej nyob. Xaiv cov cuab yeej Smart Scissors, thiab nyem rau lawv ncig ntawm qhov tawg tsam uas peb xav txiav. Cov mob tseem ceeb yog tias txoj kab kev hla los tau raug kaw ntawm tib qho chaw pib nws pib.
Sai li qhov khoom tau voj voog, nyem rau ntawm nws sab hauv.

Raws li koj tuaj yeem pom, cov kab npov ntsais muag, uas txhais tau tias qhov ua tiav ntawm kev npaj ntawm cov kwv rau kev txiav.

Ntawm cov theem tom ntej, koj yuav tsum qhib alpha channel. Txhawm rau ua li no, nyem rau ntawm qhov tsis xaiv ntawm daim duab nrog tus nas khawm xis, thiab hauv cov ntawv qhia zaub mov uas qhib, mus rau cov khoom: "Txheej" - "Transparency" - "Add Alpha Channel".

Tom qab ntawd, mus rau cov ntawv qhia zaub mov tseem ceeb, thiab xaiv tshooj "Xaiv", thiab los ntawm cov ntawv xaiv hauv qab, nyem rau ntawm "Invert" yam khoom.

Ib zaug ntxiv, mus rau tib qho ntawv qhia cov khoom lag luam - "Xaiv". Tab sis lub sijhawm no hauv daim ntawv teev cia, nyem rau ntawm kab sau "Feather ...".

Nyob rau hauv lub qhov rai uas tshwm, peb tuaj yeem hloov pes tsawg tus pixels, tab sis qhov no tsis xav tau. Yog li no, nyem rau ntawm "OK" khawm.

Tom ntej no, mus rau qhov "Kho kom raug" cov ntawv qhia ua zaub mov, thiab hauv cov npe uas tshwm sim, nyem rau ntawm "Tshawb" cov khoom. Los yog tsuas yog nias lub pob Delete ntawm daim keyboard.

Raws li koj tuaj yeem pom, tag nrho keeb kwm yav dhau uas nyob ib puag ncig cov khoom raug xaiv raug muab tua tawm. Tam sim no mus rau "Hloov" ntu ntawv qhia zaub mov, thiab xaiv qhov "Luam" khoom.

Tom qab ntawd peb tsim cov ntawv tshiab, raws li tau piav qhia hauv ntu lus dhau los, lossis qhib daim ntawv npaj tiav. Ib zaug ntxiv, mus rau cov ntawv qhia zaub mov "Kho kom raug", thiab xaiv cov lus sau "Txheeb". Los yog tsuas yog nias lub keyboard shortcut Ctrl + V.

Raws li koj tuaj yeem pom, cov contour ntawm qhov khoom tau ua tiav theej.

Tsim cov pob tshab keeb kwm yav dhau

Feem ntau, cov neeg siv kuj yuav tsum tsim kom muaj qhov tom qab pob tshab rau cov duab. Yuav ua li cas ua qhov no thaum tsim cov ntawv, peb hais luv luv hauv thawj ntu ntawm kev tshuaj xyuas. Tam sim no cia peb tham yuav ua li cas los hloov lub keeb kwm yav dhau nrog pob tshab ib qho hauv cov duab tiav.

Tom qab peb qhib daim duab peb xav tau, mus rau "Txheej" ntu hauv cov ntawv qhia zaub mov tseem ceeb. Hauv daim ntawv teev nco-down, nyem rau ntawm cov khoom "Tshab" thiab "Ntxiv alpha channel".

Tom ntej no, siv lub cuab yeej "Xaiv cov chaw nyob sib ze" ("Khawv Koob Wand"). Peb nyem rau ntawm keeb kwm yav dhau, uas yuav tsum ua kom pob tshab, thiab nyem rau ntawm lub pob Delete.

Raws li koj tuaj yeem pom, tom qab ntawd keeb kwm dhau los ua pob tshab. Tab sis nws yuav tsum raug sau tseg tias kom txuag tau cov duab tsim tawm kom cov keeb kwm yav dhau tsis poob nws cov khoom, nws tsuas yog tsim nyog hauv hom ntawv uas txhawb kev ua kom pom tseeb, piv txwv li PNG lossis GIF.

Yuav ua li cas ua kom pom pob tshab tom qab hauv Ghimp

Yuav ua li cas los tsim cov lus sau ntawm daim duab

Cov txheej txheem ntawm kev tsim cov ntawv lo ntawm daim duab tseem yog kev txaus siab rau ntau tus neeg siv. Txhawm rau ua qhov no, peb yuav tsum xub tsim cov ntawv tsim txheej. Qhov no tuaj yeem ua tiav los ntawm txhaj rau lub cim nyob rau sab laug ntawm kab ntawv sau ua ke ntawm tsab ntawv "A". Tom qab ntawd, peb nyem rau ntawm ntu ntawm daim duab uas peb xav pom cov ntawv sau, thiab ntaus nws los ntawm cov keyboard.

Cov ntawv loj thiab hom tuaj yeem hloov kho uas yog siv cov vaj huam sib luag ntab saum toj sau ntawv, lossis siv lub thawv ntsuas ntawm qhov chaw seem ntawm qhov kev zov me nyuam.

Cov cuab yeej kos duab

Gimp daim ntawv thov muaj ntau heev ntawm cov cuab yeej kos duab hauv nws lub thawv. Piv txwv li, tus cwj mem mem yog tsim rau kev kos duab nrog cov cwj nrag sib nraus.

Lub txhuam txhuam, ntawm qhov tsis sib haum, yog npaj rau kev kos duab nrog cov cwj nrag sib nrawm.

Siv Daim Ntawv Sau Sau, koj tuaj yeem sau tag nrho cov chaw ntawm cov duab nrog xim.

Kev xaiv ntawm cov xim rau kev siv los ntawm cov cuab yeej yog ua los ntawm txhaj rau lub pob uas tsim nyog hauv lub vaj huam sib luag sab laug. Tom qab ntawd, lub qhov rais tshwm nyob qhov twg, siv lub palette, koj tuaj yeem xaiv cov xim uas xav tau.

Txhawm rau lwv cov duab lossis ib feem ntawm nws, siv lub pob lwv.

Txuag duab

GIMP muaj ob txoj kev xaiv rau txuag cov duab. Thawj ntawm cov no suav nrog txuag cov duab hauv hom sab hauv ntawm qhov kev zov me nyuam. Yog li, tom qab qhov txuas mus tom ntej rau GIMP, cov ntawv yuav npaj rau kho kom raug nyob rau tib theem uas ua haujlwm ntawm nws tau cuam tshuam ua ntej txuag. Qhov kev xaiv thib ob cuam tshuam txog kev txuag cov duab hauv hom ntawv nkag mus tau rau hauv kev pom ntawm tus thib peb kab nraaj (PNG, GIF, JPEG, thiab lwm yam). Tab sis, qhov no, thaum koj rov xa cov duab rau GIMP, kho cov khaubncaws sab nraud povtseg yuav tsis ua haujlwm ntxiv lawm. Yog li, thawj qhov kev xaiv tsim nyog rau cov duab, ua haujlwm uas npaj los txuas ntxiv rau yav tom ntej, thiab thib ob - rau cov duab ua tiav.

Txhawm rau kom txuag tau cov duab hauv ib daim ntawv hloov kho, tsuas yog mus rau "Cov Ntaub Ntawv" ntu ntawm cov ntawv qhia zaub mov tseem ceeb thiab xaiv "Txuag" los ntawm cov npe uas tshwm tawm.

Nyob rau hauv cov ntaub ntawv no, lub qhov rais tshwm qhov twg peb yuav tsum qhia lub npe rau txuag lub workpiece, thiab tseem xaiv nyob rau hauv hom ntawv twg peb xav kom txuag nws. Muaj cov ntaub ntawv tawm tswv yim txuag XCF, zoo li yog archive BZIP thiab GZIP. Tom qab peb tau txiav txim siab, nyem rau ntawm lub pob "Txuag".

Txuag cov duab hauv hom ntawv uas tuaj yeem pom hauv cov haujlwm thib peb yog qhov nyuaj me ntsis. Ua li no, cov duab tshwm sim yuav tsum hloov dua siab tshiab. Qhib ntu "Cov Ntawv" nyob hauv cov ntawv qhia zaub mov tseem ceeb, thiab xaiv cov khoom "Export As ...".

Ua ntej peb qhib lub qhov rai uas peb yuav tsum txiav txim siab qhov twg peb cov ntaub ntawv yuav raug khaws cia, thiab tseem tsim nws cov hom. Kev xaiv loj ntawm cov qauv thib peb yog muaj, los ntawm PNG, GIF, JPEG cov duab los tso cov hom ntawv rau cov phiaj xwm tshwj xeeb, xws li Photoshop. Thaum peb tau txiav txim siab ntawm qhov chaw ntawm daim duab thiab nws hom, nyem rau ntawm "Export" khawm.

Tom qab ntawd lub qhov rais tshwm nrog export chaw, nyob rau hauv uas xws li qhov ntsuas piv ntawm qhov seem piv, kev txuag ntawm cov xim tom qab, thiab lwm tus tshwm sim. Cov neeg siv qib siab, nyob ntawm lawv cov kev xav tau, qee zaum hloov cov chaw no, tab sis peb tsuas yog nyem rau ntawm "Export" khawm, tawm hauv cov chaw pib.

Tom qab ntawd, cov duab yuav raug khaws tseg rau hauv hom ntawv uas koj xav tau nyob hauv qhov chaw uas tau xaiv tseg.

Raws li koj tuaj yeem pom, txoj haujlwm hauv GIMP daim ntawv thov yog qhov nyuaj heev, thiab yuav tsum muaj qee qhov kev npaj ua ntej. Nyob rau tib lub sijhawm, kev tsim cov duab hauv daim ntawv thov no tseem yooj yim dua li qee qhov kev pab cuam zoo ib yam, piv txwv li Photoshop, thiab kev ua haujlwm dav dav ntawm qhov graphic editor no tsuas yog qhov xav tsis thoob.

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