Kodi ndingatani kuti ndizisunga kusiyana kwa mavidiyo, kapena kuletsa kukula kwa zithunzi?
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Both. Lock the ratio and one dimension is derived from the other, which is what you want almost always. Unlock it and you get exactly the numbers you typed, at the cost of stretching — useful for a fixed slot, wrong for a photograph.
Kodi mtundu woyamba umakhudza zotsatira za kusintha kwa kukula?
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Izi sizotheka. 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. Izi ndi zimene amaganiza ngati kuchepetsa wapamwamba ndi kokha nkhani ya pixels kapenanso nkhani ya re-encoding.
Kodi ndi chiyani cholakwika chofala kwambiri pamene mukusintha kukula kwa PNG images?
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Upscaling. Kukula sikungayambitse mfundo zosadziwika zomwe sizikuwonetsedwa, choncho zotsatira zake ndi mtundu wolimba wa mtundu woyamba ndi kukula kwakukulu. Kawirikawiri, sinthani kukula kwa chithunzicho kuchokera pazomwe muli nazo, ndipo sinthani kukula kwake kamodzi kokha, osati m'madera.
Kodi ndiyenera kulenga maudindo ati?
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Match the slot it will live in. A full-width web hero rarely needs more than 1920 pixels wide, a content image 1200, a thumbnail 400, and doubling those numbers covers high-DPI screens. Anything beyond that is bytes nobody sees.
Kodi Kusintha kwa PNG idzachepetsa mtundu wa PNG images wanga?
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Sichoncho. A lossless kuchokera round-trips bit-exactly, kotero ngati inu mosabisa akufuna kwa lossy kutulutsa mtundu pixels amene anabwerera ndi pixels amene anapita mu. Izi ndi chifukwa chakuti zonse kutsatira ntchito mu izi banja pamene inu mwakhala kusinthira.
Kodi alpha channel kupulumuka?
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Ndiko. PNG ndi TIFF zimagwiritsa ntchito ma channels a 8-bit alpha ndipo zimasungana mpaka pamapeto. Zimakonzedwa ngati mwasankha mtundu womwe sumakhala ndi ma channels alpha, ndipo m'njira imeneyi ma pixels owoneka bwino amaphatikizidwa pa mthunzi wobiriwira.
Kodi Kusintha kwa PNG imawononga chilichonse?
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No. Kusintha kwa PNG imayenda mwaulere popanda akaunti ndipo siyiwonjezera madzi. Fayilo imachotsa ntchito za ogwira ntchito pambuyo poti mutsitsa, ndipo palibe chilichonse chokhudza chithunzicho.
Kodi ndingapeze chiyani pa Kusintha kwa PNG?
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PNG, BMP ndi TIFF ndi mafomu a raster osatha omwe amagwira ntchito moyenera, ndipo mabungwe othamanga (JPG, WebP, GIF) amagwira ntchitonso ngati mukufuna kuwagwiritsa ntchito pamodzi. TIFFs osiyanasiyana amapezeka ndikuyang'aniridwa patsamba ndi tsamba.
Nchifukwa chiyani malo a PDF amalandira Kusintha kwa PNG?
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PDF.to alipo chifukwa PDF ndi kumene mabuku kupita kugawidwa ndi choipa kwambiri malo kuti azisunga iwo pamene iwo ndibe ntchito pa, choncho pafupifupi aliyense ntchito pano ndi za kupeza chinachake m'malo kapena kunja kwa izo lamulo mwamsanga. Buku limatha kupezeka m'dziko lomwe liyenera kuchoka: ndi lalikulu kwambiri, m'njira yosayenera, yotseka, kapena kujambula popanda mawu. Kusintha kwa PNG imagwira ntchito pamodzi ndi akaunti yomweyo monga kusintha chifukwa ntchitozi zimawonekera limodzi.
Kodi ndingachite chiyani ndi zotsatirazi pamene Kusintha kwa PNG yatha?
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The Converter pa webusaitiyi amasintha mabuku pakati PDF, Word, zithunzi, malemba oyera ndi eBook mtundu m'njira iliyonse, kotero chilichonse chimachokera pa chida pano ali ndi malo oti apite kutsatira popanda kutsitsa kwachiwiri. Kuchita izi pambuyo pa Kusintha kwa PNG kuposa kale kumateteza chilengedwe cha deta mosasinthanitsa ndi njira yomwe ingakhale yoyenera kuchotsa.
Kodi Kusintha kwa PNG pano ndi chinthu chomwecho chomwe masamba a sibling amayendetsa?
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Ma injini amagawana - mndandanda wazinthu zofanana, ogwira ntchito, ma limits amodzi. Zomwe PDF zimawonjezera ndikuwona kuti fayilo iyenera kukhala fayilo ya fayilo ndipo pamene ikuyenera kukhala chinthu china, chomwe ndi chisankho chomwe chimapanga zinthu zambiri. Amayambanso kuchokera ku chinthu chimodzi za mtundu womwe uwu ndi dzina la siteyi: PDF ndi graph ya chinthu, si chithunzi cha tsamba, kotero malemba amakhala osankhika komanso vector amakhala olimba ngakhale kuti zinthu za raster zimachitika m'masamba.
Kodi ndiyenera kukhala ndi akaunti, ndipo kodi zinthu zina zimasunga?
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Sichingakhale akaunti, ndipo palibe chomwe chimaperekedwa: kutsitsa kumathetsedwa kuchokera kwa ogwira ntchito nthawi yochepa pambuyo pa ntchitoyo idzatha, palibe chomwe chimawerengedwa komanso palibe chomwe chimawerengedwa. Maakaunti aulere alipo kwa mbiri ndi kukula kwa batani, sichipezeka.
