Graphic format. JPEG, GIF, kuma PNG - ya fi na kowa graphics Formats

The rare image-tsaren, da fuskantar da Internet masu amfani - JPEG, GIF, kuma PNG. Bari mu magana game da siffofin kowane daga cikinsu, za mu bayar da taƙaitaccen bayanin da saka da ikon yinsa,. Bari mu ma yadda za ka iya sauri sake format images tare da daban-daban shirye-shirye da kuma ko hoto Editocin, kamar yadda ba kowane na'urar iya karanta sabon ko ƙasa da na kowa image Formats.

Mene ne wani graphics format?

Don fara da bari mu ce 'yan kalmomi game da manufar zana format, domin ya yi ta bayarda abin da shi ne muna da ake rubutu da. Wannan definition yana nufin Hanyar ajiya na zana bayanai, watau duk wani nau'i na hotuna da kuma hotuna. Kowane zana format na da hanyoyin, fasali da kuma ikon yinsa. Dangane da wannan, wannan hoton da ciwon daban-daban tsawo, na iya samun wani daban-daban size, launi zurfin, fasali na amfani.

Ware raster, vector, kuma ko da hadaddun Formats. Amma a cikin wannan labarin, za mu yi magana ne kawai game da bitmap graphics da kuma yadda za a adana shi, tun da mafi yawan fayiloli da wani tsawo cewa, ya nuna hoton nasa ne musamman zuwa gare shi.

JPEG - haihuwa da kuma abin dogara

Bari mu fara da mafi m da tartsatsi bazuwa. Saboda haka, tsarin fayil ne JPEG (wanda aka kuma nuna ta wajen wani m raguwa - JPG) kowa sarari na Internet mafi sau da yawa. Ka tuna, ko da your photos dauka a kan kyamara ko wayar hannu sigar tsawo .jpeg.

Wannan format ne yadu used Hanyar for image matsawa, wanda wani lokacin rinjayar ingancin images. Shi ne quite rare, duk da cewa wani lasisi da ake bukata don yin amfani. A launi zurfin ne 24 ragowa.

GIF - tsara don ajiya na mai rai da hotuna da kuma ba kawai

Saboda haka, bita tare da ku cikin JPEG format, ya kamata mu ma ambaci na biyu mafi mashahuri - GIF. Ya - daya daga cikin tsofaffin a duniya raster graphics. Yana kuma amfani da raba images via da Internet, musamman - e-mail. Matsawa auku ba tare da asarar quality, da kuma launi zurfin 8 ragowa. Yana goyon bayan ba kawai nuna gaskiya, amma kuma animation.

Yana da daraja a lura da cewa a lokacin da tana mayar Gurgun sakamako da aka rasa, ba shakka, idan ka zaɓi fayil format ba ya goyon bayan shi.

PNG GIF a matsayin sabon analogue

Mun tattauna tare da ku JPEG da GIF format, amma yanzu bari mu magana game da PNG. Ya yawa Internet masu amfani da ake kira inganta version na GIF. Dalilin wannan shi ne cewa yana dogara ne a kan wannan hanyoyin ajiya, kamar yadda fayiloli tare da tsawo .GIF. Nan da nan tuna cewa, sabanin da wanda ya riga, shi ba ya bukatar wani lasisi, wanda yana da muhimmanci.

Lokacin da compressing bayanai, da hoto ingancin ba sha, kamar yadda a baya format. A wannan yanayin, da Babban bambancin shi ne cewa shi ba ka damar amfani da wani Unlimited yawan launuka. Ya kamata a lura da cewa launi zurfin iya zama har zuwa 48 ragowa. Saboda gaskiya cewa format ne in mun gwada sabon, shi bai riga ya sami duniya shahararsa, amma yanzu shi za a iya samu a yanar-gizo.

Yadda za a maida wani zane? Shirin canza tsawo

Saboda haka, muna dismantled JPEG, GIF, kuma PNG - ya fi na kowa kari nuna bitmap graphics. Yanzu bari mu magana game da yadda za a canza format na hoto.

Wani lokacin dole ka magance irin wannan matsalar, da browser, da shirin, da na'urar ba ya goyi bayan fayil tare da da wani tsawo, musamman idan haihuwa na'ura, da kuma format ne in mun gwada sabon. A irin haka akwai bukatar for reformatting image. Yadda za a warware wannan matsala da sauri?

Don canja format, za ka iya amfani da daidaitattun shirin Fenti. Alal misali, za mu fahimci yadda za a maida su JPEG wani image. Don yin wannan, kawai bude so image amfani da Fenti shirin, ko ta danna kan so image, danna-dama, zaɓi "Change." Bayan bude image, zaɓi menu "File" (a cikin sabon juyi na wannan shirin ta main taga), zaɓi "Save as" sa'an nan zaɓi akwatin a cikin format kana bukatar, a cikin wannan harka - JPEG ko JPG.

Domin wadannan dalilai Fit da kyau a san duk CorrelDRAW, Photoshop, da kuma musamman fotokonvertery: PicJet Converter, FastStone PhotoResizer da yawa wasu. Wasu daga cikin su ba ka damar yin tsari aiki na images, wanda muhimmanci rage lokacin aiki tare da su.

sakamakon

Mun duk gane cewa, irin wannan mai hoto format, ya nuna babban bambance-bambance tsakanin manyan rare image Formats, su ikon yinsa, ya ba da taƙaitaccen bayanin kowanne daga cikinsu. Har ila yau, ya gano cewa, da JPEG format ne mafi mashahuri a wannan lokacin.

Mun kuma koyi yadda za a sauri canza image size yin amfani da daidaitattun software shigar a kwamfutarka ko kwamfutar tafi-da-gidanka. Har ila yau ya ce 'yan kalmomi game da gaskiyar cewa akwai musamman converters, da wanda za ka iya sauri da kuma sauƙi canza image format.