Sinthani PNG ku BMP

Sinthani Yanu PNG ku BMP zolemba molimbika

Sankhani mafayilo anu

*Mafayilo achotsedwa patatha maola 24

Sinthani mafayilo okwana 1 GB kwaulere, ogwiritsa ntchito Pro amatha kusintha mafayilo okwana 100 GB; Lowani tsopano

Kukweza

Momwe mungasinthire PNG ku BMP

Gawo 1: Kwezani yanu PNG mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa BMP mafayilo

PNG ku BMP Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji PNG kupita ku BMP popanda kuwononga mtundu wa chithunzi?

Amathandiza kudziwa zomwe zimapangitsa kuti zikhale zoyenera: PNG ndi lossless DEFLATE ndi 8-bit alpha channel ndi 16-bit kuwala, kotero kuti si nthawi zonse amawononga pa re-kupulumutsa koma amapeza lalikulu pa zithunzi za zinthu, pomwe BMP ndi mwamsanga raw uncompressed RGB mnda ndi header ochepa, kotero ndi bwino lossless ndi zochuluka - nthawi zambiri 10-20x kukula kwa chithunzi chimodzimodzi monga PNG. Lowani fayilo yanu ya PNG ndipo wosintha wathu amagwiritsa ntchito kuwongolera kwa mtundu wodziwa mtundu wa BMP - kwa opanga opanda malire (PNG, TIFF, BMP, PSD) onse a pixel amasunga; kwa opanga opanda malire (JPG, WebP, GIF) mutha kuwongolera mtundu wabwino pambuyo potsitsa.

Kodi kusinthidwa kwa PNG kupita ku BMP kumateteza kuwala?

Kuwala kumatha kupezeka popita ku PNG, WebP, TIFF, GIF, ICO, PSD kapena SVG. Kusintha kwa JPG / JPEG / JFIF kumadula chingwe cha alpha pazenera lofiira - ngati mukufuna kuwala, gwiritsani ntchito mtundu wowala womwe umadziwa kuwala kuposa BMP.

Kodi ndi chiyani za metadata EXIF pamene PNG ikusinthidwa kukhala BMP?

Mu ambiri kusintha, kamera EXIF nyanja monga kamera mtundu ndi GPS malo si anachita mu BMP. Palibe kukhazikitsa patsambali kuti atenge kapena kuchotsa metadata, choncho onetsetsani zotsatira ndi metadata woonera ngati ndi zofunika.

Kodi ndingasinthire mamiliyoni a PNG mafayilo ku BMP pamodzi?

Mavidiyo ambiri m'modzi ntchito ayenera kulipira ndondomeko. Free kugwiritsa ntchito ndi imodzi wapamwamba pa kusintha, imodzi kusintha pa ola. Pa ndondomeko yolipira mukhoza kuwonjezera angapo owona kuti ntchito imodzi, ndiye download zotsatira zonse pamodzi kapena onse awo mu ZIP imodzi.

Kodi ndi mtundu uti wa fayilo yanga ya BMP ndi kukula kwake?

Mtundu woyambirira ndi 1:1 — BMP imatulutsa zithunzi ndi pixels zofanana ndi PNG. ICO imatulutsa zithunzi ndi kusiyana (imapereka stack ya multi-resolution: 16/32/48/64/128/256). Ngati mukufuna kusintha kukula kwa chithunzi ngati gawo la kusintha, kugwiritsa ntchito /resize/ pambuyo pa kusintha.

Kodi PNG fayilo yanga ndi yapadera nthawi yosintha?

Yes. Uploaded PNG owona ndi kuchitidwa pa zipangizo zathu zosiyanasiyana, palibe munthu kuganizira iwo, ndipo iwo si nthawi zonse anagawana. Upload ndi zosinthidwa BMP onse anataya mwamsanga za 24 maola pambuyo kusintha, zomwe zimasiya nthawi kuti download zotsatira.

N'chifukwa chiyani fayilo yanga yosinthidwa BMP ndi yayikulu / yaying'ono kuposa momwe ndimayembekezera?

Kukula kumasankhidwa ndi mapangidwe awiri ophatikizika, osati ndi wosinthira. Kukumbukira kuti PNG ndi lossless DEFLATE ndi 8-bit alpha channel ndi 16-bit kuwala, kotero kuti si nthawi zonse amawononga pa re-kupulumutsa koma amapeza lalikulu pa zithunzi za zinthu, pomwe BMP ndi mwamsanga raw uncompressed RGB mnda ndi header ochepa, kotero ndi bwino lossless ndi zochuluka - nthawi zambiri 10-20x kukula kwa chithunzi chimodzimodzi monga PNG - choncho PNG yosasinthika kwambiri nthawi zambiri imakula pamene imasinthidwa kukhala BMP yopanda kusowa, ndipo PNG yosasinthika yosasinthika nthawi zambiri imachepetsedwa kwambiri. Zolemba zazithunzi zimakhudzanso: zithunzi ndi zithunzi zosasinthika zimasinthidwa mosiyana.

Kodi ndingagwiritse ntchito fayilo ya BMP yosinthidwa pamalonda?

Ndikofunika. Kusintha kwa mtundu ndi kusintha kwa mtundu - ufulu wa ma copyright pazomwe zili pa chithunzicho umamvera inu (kapena amene ali ndi chidziwitso cha PNG). Timawonjezera palibe watermark, palibe metadata stamp, ndipo sitikufuna chilolezo pazomwe zimatuluka.

PNG

Mafayilo a PNG amathandizira kuwonekera bwino ndipo amagwiritsa ntchito kukanikiza kosataya, zomwe zimapangitsa kuti akhale abwino kwambiri pazithunzi, ma logo, ndi zithunzi.