Chii GIFCA? GIF-mufananidzo "VKontakte" uye kwete chete

Mumakore gore, vataure mifananidzo vava chinokosha pasocial network uye varaidzo upfumi. Nezvenyaya iyi, vanoshandisa "VKontakte" uye dzimwe munzanga nevezvenhau vanofarira wokuti chii SIFCO.

Pfungwa pamanyorerwo

GIF zvinogona deciphered se "pamanyorerwo kuti kupanana hwakajeka mifananidzo." Rakanga yakataurwa CompuServe muna 1987 kutumira bitmaps pamusoro pemambure.

Pictures pamwe chiwedzerwa .GIF inogona kuchengetwa pasina zvinopesana unhu uye kuverenga kusvika 256 Inonyanya mavara. Zvinokwanisika kutsigira uye vakawanda noruvara ari kuchangamuka kana uine yoga palette nokuda pepuranga rimwe nerimwe, uye razero kunonoka pakati mifananidzo. Pamanyorerwo kunosanganisira kushanda pamwe mureza ruvara palette. The mufananidzo inochengetwa norwonzi. Nokuda LZW-compressed mafaira pamwe vakawanda homogeneous nharaunda iri nyore compressed. The mufananidzo havazotadzi tsananguro.

Advanced GIF-mufananidzo

Zvinorevei GIFCA nokuda ano User, kana asina kuchangamuka? Izvi hazvisi izvo zvaaida. Naizvozvo, nokukurumidza pashure pakusika pamanyorerwo yave nani: kubva 1989 GIF-mafaira inogona simba uye ane segirazi munzvimbo. Animated GIFCA - chifananidzo kuti rine mapuranga akawanda, uyewo mashoko pamusoro kakawanda uye nomutoo kuratidza kwavo. Kazhinji, izvi zviri thick, uye mushure dzinoratidza GIFCA ritangezve.

Pakati palette mavara anogona kunzi zvakajeka. Muchiitiko chino, browsers ano kuchaita kuratidza mabviro kuburikidza unpainted munzvimbo. Zvishomanana pachena, vaitsigira PNG, nokuti gifok vasingazivikanwi sevanhu: Pixel anogona kunge vakazadzwa kana segirazi.

Apo zvinoshanda GIF-urongwa?

Kuziva chaizvo GIFCA, tinogona kugumisa kuti ichi mhando mufananidzo inobatsira chaizvo apo faira inofanira kuva mashoma saizi. nzvimbo iyi ndiyo Internet: pakutsvaka kumhanya vachizvitakudza mapeji, Developers vari kuedza kuderedza kushandiswa mifananidzo "inorema", achisarudza lightweight GIFCA.

The GIF nemanyorerwo kwakakurumbira Web Design. Zviri akakodzera nokupfuuridzirwa mifananidzo duku, munyika Vol. H. Rine ndima. Zvakanaka yakashongedzwa siyana bhatani Labels - kwete kuti mumwe, sezvo SIFCO. Kunyange zvakadaro, GIF haasi akakodzera kuchengeta mifananidzo. Nokuti chinangwa ichi rakanakira jpeg (jpg): youduku iyi hakungoitwi nhamba displayable mavara.

Animated SIFCO rinowanzoshandiswa magadzirirwe Websites. Vachikwanisa kusiya segirazi pixels, GIF-mufananidzo zvaikodzera zvakakwana kuva akatevedzana dzimwe mifananidzo.

rwokugadzira unhu

Chii GIFCA? Chokutanga, zviri kuderedzwa "uremu" mufananidzo. Pamanyorerwo LZW-compression, izvo zvinoita kuti chokubatanidza nouya pixels. Naizvozvo, vazhinji homogeneous nzvimbo, kwakasimba uchaderedzwa mufananidzo. The algorithm unobvumidza kuderedza kukura masere-ikakuruma mifananidzo vane palette pasina vachibayira unhu: compressed Data inogona zvakazara akapora. Kana mapikicha, nomuganhu 256 mavara zvichava kusingarapiki.

LZW algorithm anoshandira chete kwokurangana faira inonzi mitsara, ibasa navo zvezvinangwa uye anozadza iri tafura. Somuenzaniso, mufananidzo ane 70 anoita pixels mavara orange, yeyero uye blue ruvara. Mumwe nomumwe wavo achapiwa basa chete mutengo - somuenzaniso, 8. Data hunowanikwa muchimiro ka70 chete sere vakanyoresa. Rezasi ruzha pamufananidzo, iyo compression ndiko yepamusoro yepamusoro.

Chimwe chinhu chinoratidza pamanyorerwo ndiyo nzira interlace pokuzviunganidzira ruzivo. The mitsetse mapoka mapoka, kushandura kurongeka kwavo mukati faira. Nepo mufananidzo wacho akatakura, zvishoma nezvishoma hunobuda. Nokudaro, apo GIFCA kwete zvakazara akatakura, unogona kuonekwa, asi pane yakaderera chisarudzo.

First yakanyorwa 1, 5, 9 uye mimwe mitsetse pa zvikamu "4" imwe kuitira vanoonekwa pa vene. Apo 25% ari paIndaneti, unogona kuona mufananidzo Blurred. Uyezve kuzviratidza 3, 7, 11 uye zvimwe mitsetse, mufananidzo anova 2 nguva zvakajeka. Ipapo dzakatakura dzimwe dzinoti (2, 6, 10, ... uye 4, 8, 12 ...), uye anowana yokupedzisira chimiro mufananidzo. Izvi kutsikisa nzira kunowedzera zvishoma kukura SIFCO, asi kukwanisa kuona kwake kuguma dhanilodhi asati ndizvo chaizvo chii ichi pakakanganisika shoma.

Chii GIFCA "In Touch"?

Animated mifananidzo, uploaded ne vanoshandisa BK - Ndivo mifananidzo kubvongodzwa iri GIF format. Nokuti vaya uchitoziva GIFCA kuda kuziva sei kuiisa uri pasocial network.

To namatidza imwe kuchangamuka neimwe nzvimbo, unofanira tinya kurudyi mbeva bhatani uye kuwana Muterere unokubvumira kutevedzera kero (URL). Ipapo unofanira kuenda nzvimbo "VKontakte" namatidza kero nzvimbo iyo kuoneka GIFCA (somuenzaniso, mumunda umo iwe nyora mumhanyi rugwaro pamadziro). The Hurongwa vachangoerekana kukopa mufananidzo, uye ipapo kubatana anogona kubviswa. Press Enter kubudisa SIFCO.

SIFCO download kubva kombiyuta yako, unofanira kuiswa "Documents" chikamu (the partition rakazaruka riri pazviruva). Click "wedzera gwaro", kusarudza kuwana revarombo. Kuisa SIFCO mune mashoko kana mumhanyi, unofanira achizviendesa bhatani "Kochekera" uye kuwana faira.

Animated mifananidzo, kuonekwa neshamwari, unogona chizviponesa. Kuti aite izvi, unofanira dhipuroya mufananidzo nemashoko "+", tinya pairi, kurudyi tinya uye kusarudza kubva Muterere zvinodiwa chinhu.

Chii SIFCO muna VC? Ichi chiratidzo chinoshamisa nzira vashongedze yenyu Profile, manzwiro, kugamuchira pachako uye neshamwari. Wedzerai akachangamuka tsamba kana pamadziro pachedu kombiyuta yako kana Websites: Zvino munoziva sei kuzviita!