Igishushanyo cya GIF ni iki?

2023-11-06

Izina ry'imiterere ya GIF ni amagambo ahinnye ya Graphics Impuzandengo, yatunganijwe na Compu Serve mu 1987 kugirango yuzuze icyuho muburyo bwamashusho yambukiranya. GIF irashobora gushyigikirwa kuri platifomu zitandukanye nka PC na Mactiontosh.

GIF ni bitmap. Ihame rusange rya bitmap ni: ifoto igizwe na pigiseli nyinshi, buri pigiseli yahawe ibara, izi pigiseli hamwe zigize ishusho ikomeye. GIF ikoresha Lempel-Zev-Welch (LZW) compression algorithm kandi ishyigikira amabara agera kuri 256. Kubera iyi mikorere, GIF irakwiriye kumashusho afite ibara rito, nkimiterere ya karato, ibirango bya sosiyete, nibindi. i Kuri Gukoresha nibyo Ibara Bya i Hanyuma imvugo Bya ni Ubusanzwe GIF izana ifite ibara rya palette, ibika amabara atandukanye akenewe. Muri porogaramu y'urubuga, ingano ya dosiye ya dosiye izagira ingaruka ku muvuduko wo gukuramo, Turashobora gutunganya palette ukurikije ibiranga GIF hamwe na palette, kugabanya umubare w'amabara yakoreshejwe mu ishusho (amashusho amwe ntabwo akoresha ibara rishobora guhabwa), Ntagira ingaruka kubwiza bwishusho.

Itandukaniro rinini hagati yimiterere ya GIF nizindi miterere yishusho nuko yateguwe rwose nkigipimo rusange. Bitewe no gukundwa kwumuyoboro wa Compu Serve, urubuga rwinshi rushyigikira imiterere ya GIF ifite amashusho. Compu Seriveri hamwe na a ubusa ikwirakwiza Imiterere Bikorwa, ariko bisaba ko software ikoresheje imiterere ya dosiye ya GIF irimo ibisobanuro byamakuru yuburenganzira.