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Tim hiu cc im c bn v Photoshop Thay i phn gii ca mt nh To cc vng chn, t v v bng mu sc Lam vic vi cc lp v b lc V cc hnh dng Thm v x l cc Uyer. T ng ha cc cng vic Lu v n nh... minh

Bn c thn mn! Nhm p ng nhu cu t hc v p h t huy kh nng v cng ngh thng tin ca mi c nhn chng ta. Thit ngh, mi ngi trong chng ta ai cng mong mun mnh c hc hi v hiu bit nhiu hn trong bi cnh x hi ha cng ngh thng tin ngy nay. Qua , chng ti nhm bin son xin chn trng gii thiu n qu bn c b sch thc hnh v phn mm Photoshop CS4 m hu nh ngy nay ang c cc bn sinh vin hc sinh a chung v hc tp n h m b sung kin thc cho nhu cu v cng ngh x l nh ni chung v In ternet ni ring. B sch ny chng ti thc hnh v nghin cu k tng chi tit cc tc v mi ca Photoshop vi nhng tnh nng vt tri v th v hn nhng phin bn trc y nh:

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Bn c quan tm n vic to, chnh sa v ti u ha cc n h chp k th u t s trn my nh ca mnh khng? Chng ny gii thiu v Adobe Photoshop, mt trnh ng dng phn m m lm vic vi cc nh k thu t s .

8 Thc h n h Photoshop CS4 bng hnh m inh ha

-m vic v\ cc hnh nhPhotoshop gip bn to, chnh sa, k t hp v ti u ha cc h nh n h k th u t s. Sau bn c th lu cc h n h nh in, chia s thng qua e-m ail, xut bn trc tuyn, v xem trn th it b cm tay, chng hn nh iPod.

Xi l cc nh chp

Nh tn ca n, Photoshop xut sc trong vic chinh sa cc n h chp k th u t s*. Bn c th s dng chng tr nh ny to ra cc thay i tinh vi, chng hn nh iu chnh mu sc trong m t n h chp k th u t s hoc mt nh qut, hoc bn c th s dng cc b lc tinh vi lm cho cc nh chp nhanh ca bn trng ging nh mt n h ngh th u t tru tng. Xem chng 7 bit thm thng tin v vic iu chnh mu sc v chng 10 bit thm thng tin v cc b lc.

Thc h n h Photoshop CS4 bang hnh minh ha

V cc hnh Inh

Tnh nng v ca Photoshop gip n tr th n h m t cng c m inh ha xut sc cng nh mt b chnh sa hnh nh. Bn c th p dng mu sc hoc cc mu v cc hnh nh ca m n h vi loi kiu c. Xem chng 6 bit thm thng tin v vic p dng mu. Ngoi ra, bn c th s dng cc cng c o v a hnh tch hp cc mu t c s ha v cc ch th n h cc hnh nh. Xem chng 12 bit thm thng tin v ch (type). Bn cng c th to ra cc hnh dng hnh hc, cc hnh dng ny s c tr nh by trong chng 1 1 .

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Bn c th ki hp cc th n h phn ca nh khc nhau trong Photoshop. Cc thnh phn kt hp ca bn c th bao gm cc nh chp, n h qut, text hoc bt c g khc m bn c th' lu trn my tnh di ng mt nh k thut s. Bng cch t cc thnh phn vo trong Photoshop trn cc lp ring bit, b n c th di chuyn, bin i v ty bin chng mt cch c lp vi nhau. Xem chng 8 bit thm thng tin v cc lp.

10 Thc hnh Photoshop CS4 bng hnh m inh ha

Truy cp, t chLc v hin th cc hnh rih

,m v\c vi cc nh

Sau khi bn chnh sa cng vic ca m nh, bn c th s dng cc nh theo nh iu cch k h c n h au . P h o to s h o p cho php bn in cc n h ca mnh, lu chng theo mt dng ph hp a ln mt trang Web hoc gi e-mail, hoc chun b chng d s dng cho mt chng tr n h n trang, Xem chng 14 bit thm thng tin v vic lu cc nh theo cc nh dng khc nhau cng nh in chng.

Giao din Bridge ca Photoshop cung cp mt cng c d s dng truy cp v xem trc cc hnh nh dc lu trn my tnh ca bn. Xem phn Duyt tm m t n h trong B ridge trong chng ny. Vi Bridge, bn c th d dng theo vt cc hnh nh vi thng tin m t , chng h n nh chng c chp u hoc khi no. Sau bn c th s dng thng tin phn loi cc h n h n h ca m nh. Photoshop cng cung cp cc cch hu ch h in th cc nh ca bn sau khi bn chnh sa chng. Bn c th hin th chng di d n g m t n h m -trong phng trng by nh Web hoc k t hp m t s n h lin tc thnh mt bc tran h ton cnh. Xem chng 13 bit thm chi tit.

Thc hnh Photoshop CS4 l);'ing h'sih minh lii a

Tm hiu Photoshopl

C c c n g c CLa Photoshop cho php bn d chuyn, t mu, to kiu dng v thm te x t vo t ro n g cc hnh nh ca bn. Bn c th ti u ha tng phn v sng ca cc bc n h chp hoc b in i chng th n h cc tc phm th v ngh thut bng cch p dng cc b loc.

Tm hiu cc pixe

Cc bc nh k thut s trong Photoshop gm c cc vung mu ng n h t nh xu c gi l cc )ixel. Photoshop lm php th n thng ca mnh bng cch sp xp li v t mu cc vung ny. Nu bn phng to, bn c th nhn th y cc pixel liinh th n h nn nh. i- b i t th m thng tin v cng c Zoom, hy xem chng 2.

12 Thc h n h Photoshop CS4 bng hnh minh ha

Chn cc pixel ca bn

chinh sa cc pixel c th trong nh ca bn, trc tin bn phi chn chng bng cch s dng m t trong cc cng c chn ca Photoshop. Bn c th thc h in vic chn la bng cch s dng cng c Marquee hoc tnh nng chn t o bng cch s dng cng c Lasso. Xem chng 4 b i t th m thng tin v cc cn,g c chn. Photoshop cng c m t s lnh c th gip bn chn cc vng c th ca hnh nh , chng hn nh m t mu sc no hoc m t dy mu. Cc c c bit trong Photoshoo cho php bn chn cc i tng trong nh ca mnh da trn mc tng phn vi nn.

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Td muSau khi chn cc pixel, bn c th p dng mu vo chng bng cch s dng cc cng c Brush, Airbrush, Pain t Bucket, v Pencil ca Photoshop. Bn cng c th t cc vng chn bng cc mu ng n h t hoc cc mu bn trong sut, cc mu, hoc cc pixel c sao chp t m t phn khc ca nh. Vic t mu c trnh by trong chng 6 . Cc cng c t c bit gip bn ph ln cc i tng trong nh ca bn, hoc loi b cc m bi, cc vt xc, v cc khim khuyt t mt bc nh qut.

Thc hnh Photoshop CS4 hng hni minh h a _________________ 13

iu chnh mu c

Bn c th lm sng, lm ti hoc thay i sc ca cc mu cc phn ca nh bng cng c Dodge, Burn, v cc cng c tng t ca Photoshop. Cc lnh khc hin th cc hp thoi tng tc cho php bn thc hin vic diu chnh mu sc trn quy m ln, v vy bn c th chnh sa cc bc nh chp k thut s qu sng hoc qu ti. Xem chcmg 7 bit thm chi tit.

p dng cc kiu v oc b ic

Cc kiu lp ca Photoshop cho php bn d dng b sung thm cc bng , cc ng vin Ichung, v cc hiu ng khc vo cc nh. Bn cng c th thc hin cc hot ng x l mu sc phc t p hoc cc hot ng lm bin dng bng cch s dng cc b lc. Cc b lc c th lm cho h nh nh ca bn trng ging nh mt bc tranh thuc trng phi n tng, lm sc nt hoc lm m cc h nh nh, bin (lng cc hnh nh theo nhiu cch khc nhau. Chng 9 v O trnh by cc hiu ng v cc b loc.

Thm ch (type)

Cc cng c type ca Photoshop gip bn d dng a cc tiu v cc n h n vo trong hnh nh ca mnh, Bn c th kt hp cc cng c ny vi cc lnh hiu ng c b i t ciia chng tr nh to ra mt kiu ch cong, 3D hoc kiu ch c mu sc l thng. Bn c th tm h iu th n g t in v ch trong chng 12 .

14 Thc hnh Photoshop CS4 bng hnh m inh ha

Thc hnh Photoshop CS4 hang hih iinh ha 15

Kh\ Photoshop trn mt my snh c nhnBn c th khi ng Photoshop tivn nil ma\ tnh c nhn (PC) ri b t u to v chnh sa cc hnh anh kv ihui s.

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18 Thc hnh Photoshop CS4 bng hnh minh ha

Photoshop khi ng.

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3 t u t o mt nh t ban uBn c th to ra m t n h Photoshop t ban u bng cch m mt canvas (nn v) t r n g trong ca s nh. Sau bn c th p dng mu sc v cc mu vi cc cng c t ca Photoshop hoc c t v dn cc phn ca cc h n h n h khc to ra mt n h kt hp. y xem phn To mt n h mi bit thm thng tin v vic m mt canvas trng.

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Cc nh chp k thut sCc my n h k th u t s l mt cch rt hav a cc h n h n h k thut s vo m y tnh ca bn. Hu hi my nh k thu t s u lu hnh nh ca chng dng JPEC hoc 'riKl'\ y l cc dng m bn c th m v chnh sa trong Photoshop. Cc cng c iu chnh mu sc ca chng tr nh ny r t tuvt vi clo vic chnh sa mu sc v cc vt ' trong cc n h chp k thut s-

Thc h n h Photoshop CS4 bng hnh minh ha__________________2 /

Cc nh chp v nh ngh thut c cutMt m y qut (scanner) cho bn mt cch r tin chuyn i ni dung h in c t r n giy hoc trn slide thnh dng k th u t s. Bn c th qut cc n h chp hoc nh ngh thut vo m y tnh ca mnh, tinh chnh v to kiu cho chng trong Photoshop, ri xu't chng sang m t my in mu. t ng tch cc nh chp c qut vi nhau di dng m t hnh nh n, hy xem chng 3.

22 Thc h n h Photoshop CS4 bang hnh m inh ha

Cc bic nh chp tr c tuyn c th nhn cC nhiu Web site lm ni b t cc hnh nh trong cc m in cng cng hoc c sn cho mc ch s dng phi thng mi. Wikimedia Commons (http://commons.wikimedia.org) l mt site nh th. Nu bn c t tin chi tiu, bn c th ng k s dng cc hnh nh t cc \Veb site microstock. cn c gi l cc h nh nh chi ph thp c th t i xung. iS tockPhoto (www.istockphoto.com) l m t site microstock ph bin.

Xc lp PreferencesHp thoi Preferences ca Photoshop cho php bn thay i cc xc lp mc nh v ty bin din mo ca chng trnh.

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