BMP Zida

Sinthani BMP kupita ndi kuchokera ku mitundu yosiyanasiyana

Zokhudza BMP

BMP owona kukumbukira zithunzi uncompressed bitmap mtundu, zomwe zimapangitsa kuti kukula kwa wapamwamba lalikulu koma bwino standard.

Ntchito Zofala

Zithunzi za pulogalamu ya Windows
Kusunga zithunzi kosapanikizika
Kugwirizana kwa dongosolo lakale

BMP Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndi chiyani BMP fayilo?

BMP ndi lossless raster chithunzi mtundu kuti amasunga aliyense pixel popanda compressing artifacts. BMP ndi bwino kugwirizana kwa screenshots, line art, mafano ndi zosalimba mapiko ndi aliyense chithunzi kuti adzasinthidwa m'tsogolo. BMP amafuna palibe decoder library pa zonse, kotero kuti imakhalabe yotetezeka interchange mtundu kwa embedded machitidwe ndi legacy Windows zofunika.

Kodi pali chinachake chowonongeka pamene BMP chimasinthidwa kukhala mtundu wina wopanda kusowa?

BMP imasunga chithunzicho moyenera kuposa kuika kwa pixel, kotero kusintha pakati pa mitundu iwiri yopanda kusowa ndi yosinthika ndipo imatha kuchitidwa mobwerezabwereza popanda kuwononga. Zomwe zingathe kuwonongeka ndi zonse zomwe zili m'ma pixels - ma profiles amtundu, kuwala, animation, metadata yophatikizidwa - chifukwa chithandizo cha iwo chimasiyana kwambiri pakati pa ma formats kuposa momwe kusungira ma pixels kumakhalira. BMP nthawi zambiri amasunga zonse uncompressed pixel mzere ndi ochepa header, chifukwa chake ndi kovuta kwambiri kufotokoza.

N'chifukwa chiyani wolemba zithunzi wanga adasunga BMP?

Chifukwa ndi mtundu wa recorder's platform encodes natively, kotero kujambula ndalama pafupifupi palibe processing pamene makina ndi busy kuchita chinachake. Ndicho kusankha koyenera pamene kujambula ndi wopanda pake pambuyo pake - fayilo nthawi zambiri amafuna kusintha kuti akhoza kugawidwa, kusintha kapena kuphatikizidwa kulikonse kunja kwa dongosolo lomwe linamupangitsa. BMP ndi Windows Bitmap, raw raster mtundu anamanga mu Windows kuyambira 1985.

Nchifukwa chiyani kumbuyo kwakuwonekera kwazithunzi zanga zakhala zofiira mu BMP?

Chifukwa BMP siyimakhala ndi njira ya alfa yoti ikhalemo. Mtundu uliwonse wa pixel umafunika kukhala ndi mtundu wolimba, choncho kuwala kwazithunzi kumapangidwa motsutsana ndi kumbuyo - kuwala koyambirira - nthawi yomwe fayilo idzalemba. Sichingakhalepo chilichonse chobwezeretsedwanso pambuyo pake. Ngati chithunzi chiyenera kukhala patsamba lowala kapena pazithunzi, sinthani ku mtundu womwe umasunga kuwala kwazithunzi. BMP ndi gigantic - 12-megapixel chithunzi ndi pafupifupi 36 MB - ndi palibe browser amaona izo monga nzeru webusaiti mtundu.

Kodi ndiyenerabe kupulumutsa mafayilo atsopano ngati BMP?

Kupatulapo ngati zinthu zina zimafuna kuti zichotsedwe. Formatiyo ikhoza kutsegulidwa, ndipo palibe chifukwa chofuna kusinthitsa archive yomwe siyikuyambitsa mavuto, koma sichingakhalepo chifukwa cha kusinthitsa kwa archiveyo. Kwa zinthu zina, formati yatsopano siyikuwononga ndalama zambiri ndipo imateteza ku mafunso ena a m'tsogolo.

Kodi ndi vuto kuti BMP ili ndi zaka zoposa makumi atatu?

Age yekha si vuto - angapo mtundu kuchokera kuti nthawi ndibe bwino, makamaka chifukwa chilichonse chili ndi zaka kuti akwaniritse iwo. Zimene zikukhudza ndi zimene nthawi anaganiza: mavidiyo ang'onoang'ono, mofulumira processors, palibe netiweki, ndi zizindikiro aliyense anafunikabe. Pamene zimene anaganizabebe, mtundu ndi bwino. Pamene iwo sachita, kuti ndi chifukwa chosintha.

Kodi BMP ndi mtundu wa Microsoft womwe ndimafunikira mapulogalamu a Microsoft?

Zinachokera ku Microsoft, ndipo ndi komwe kulumikizana kumatha. Palibe pulogalamu yoyamba yosapezeka komanso palibe chilolezo chokhala: mawonekedwe adasindikizidwa, ndi zophweka ngati mtundu wa fayilo umalandira, ndipo zonse zoyendetsa ntchito ndi zida zamakono zawerenga ndi kulemba zaka zambiri. Zomwe mumasintha ndi kukula kwake ndi zinthu, sizopezeka.

Nchifukwa chiyani BMP sichiwonekera mu browser yanga?

Popeza masamba asakatuli amagwiritsa ntchito mndandanda wafupi wazithunzi zazithunzi ndi BMP ndi kunja kwa izo - zimakhudza kujambula, kusindikiza kapena kusintha ntchito yogwira ntchito kuposa pa web. Fayilo siyowonongeka; siyikhala ndi decoder patsamba. Kusintha kwa mtundu wazithunzi za web-native ndi njira imodzi yosinthira ndipo nthawi zambiri imapangitsa fayilo kukhala yocheperako.

Nthawi imeneyo ndiyenera kusintha BMP kuti wina format?

Kusintha BMP kuti JPG kapena WebP pamene cholinga mfundo ndi otsegulira webu kapena imelo, pamene ochepa kukula kwa fayilo amafunika kwambiri kuposa per-pixel fidelity.