Yanke Hoto — Kayan Aiki Kyauta Na Kan Layi

Me yasa za a yanke hoto

Yanke yana cire sassan hoton da ba ka buƙata don batun ya cika firam. Ita ce hanya mafi sauri don daidaita sararin sama mai karkata, cire baya mai raba hankali, dacewa da hoto a cikin sararin banner mai tsayayye, ko ƙirƙirar ƙaramin hoto mai murabba'i daga faɗin harbi. Yanke Hoto yana ba ka akwatin zaɓi mai jawo sama da hoton kuma yana fitar da yankin da aka zaɓa kawai a cikakken ƙudurin pixel, don haka sakamakon yana kasancewa mai kaifi. Ba a ɗora komai ba, don haka har ma da hotunan allo masu mahimmanci da takardu za a iya yanke su lafiya.

Yadda yanke burauza ke aiki

Lokacin da ka ɗora hoto, kayan aikin yana zana shi zuwa HTML canvas. Rectangle ɗin zaɓi da kake motsawa da sake girma yana taswira ɗaya zuwa ɗaya akan ainihin pixels, kuma lokacin da ka tabbatar da yanke, kayan aikin yana kwafi wannan rectangle kawai zuwa sabon canvas kuma yana tsara shi azaman hoto mai saukewa. Saboda ana yin lissafi akan ainihin grid ɗin pixel maimakon samfoti mai sikeli, yanke yana daidai da pixel. Babu sake samfurin yankin da kake riƙe, don haka inganci a cikin zaɓi yana kama da tushen.

Zaɓin madaidaicin rabo

Daban-daban dandamali suna tsammanin siffofi daban-daban. Murabba'i 1 zuwa 1 ya dace da hotunan bayanan martaba da fale-falen samfur, 16 zuwa 9 ya dace da ƙananan hotunan bidiyo da nunin gabatarwa, 4 zuwa 5 shine tsayin tsarin da ke aiki da kyau a cikin ciyarwar wayar hannu, kuma 1.91 zuwa 1 ya dace da katunan samfoti na hanyar haɗi. Yanke zuwa rabo na manufa kafin ka ɗora yana hana dandamali yanke hotonka a wuri mara kyau kuma yana kiyaye muhimmin batun a tsakiya.

Sirri da tsaro

Yanke Hoto yana sarrafa hotonka a gida. Ana karanta fayil ɗin zuwa burauza, ana nuna shi, kuma ana yanke shi a cikin ƙwaƙwalwa, sannan a mayar maka azaman zazzagewa. Ba a aika kwafi zuwa sabar ba, ba a ajiye shi a cikin database ba, ko kuma a raba shi. Wannan hanyar gida tana nufin za ka iya yanke hoton fasfo, bayanin banki, ko ƙirar da ba a fitar ba tare da amincewa. Lokacin da ka rufe shafin, kowane alamar hoton ya ɓace daga ƙwaƙwalwa.

Taimakon burauza da na'ura

Kayan aikin yana gudana a cikin Chrome, Firefox, Safari, da Edge a kan tebur da wayar hannu, ba tare da buƙatar shigarwa ba. A kan waya, hannayen zaɓi suna da girma sosai don jawo da yatsa, kuma shimfidar wuri yana kasancewa mai amfani har zuwa allon faɗin pixel 375. Tsarin gama gari ciki har da JPG, PNG, WebP, GIF, da BMP suna ɗorawa kai tsaye, kuma fayiloli har zuwa kusan 50 MB suna yanke lafiya.

Yanke da sake girma

Yanke da sake girma suna magance matsaloli daban-daban kuma ana amfani da su tare. Yanke yana canza wani ɓangare na hoton da aka nuna ta hanyar yanke pixels a gefuna, yayin da sake girma yana canza girman gaba ɗaya ta hanyar sikeli kowane pixel sama ko ƙasa. Idan hoto yana da girman da ya dace amma yana nuna baya da yawa, yanke shi. Idan an tsara shi daidai amma yana da girma sosai a megapixels, sake girma shi. Tsarin aiki na gama gari shine yanke da farko zuwa abun da kake so, sannan sake girma sakamakon zuwa ainihin faɗin da gidan yanar gizo ko aikin bugawa ke buƙata, don haka ba ka taɓa sikeli bayanan da za ka iya riƙe ba.

Nasihu don yanke mai tsabta

Bar ɗan sarari a kusa da batun maimakon yanke sosai, saboda dandamali wani lokacin suna yanke ƴan pixels kaɗan lokacin da suke nuna hoto. Yi amfani da dokar kashi uku ta hanyar sanya babban batun a waje da tsakiya don ƙarin abun ciki na halitta. Lokacin yanke fuskoki, kiyaye idanu a cikin kashi uku na sama na firam. Daidaita rabo zuwa wurin kafin ka fitar don dandamali kada ya sake yanke aikinka, kuma ka zuƙo don duba gefuna don kada a yanke wani muhimmin bayani a iyakar zaɓi. Idan kana shirya hoto ɗaya don wurare da yawa, yanke kwafi daban-daban don kowane siffa maimakon sake amfani da yanke ɗaya, tunda avatar murabba'i da banner mai faɗi suna buƙatar tsari daban-daban don su yi kyau.

Yadda Ake Amfani Yanke Hoto

1. Bude kayan aikin Yanke Hoto kuma ƙara hotonka.
2. Jawo akwatin zaɓi don rufe yankin da kake son adanawa.
3. Canza girman hannayen don daidaita gefuna zuwa pixel.
4. Tabbatar da yanke don nuna yankin da aka zaɓa.
5. Zazzage hoton da aka yanke a cikin asalin tsarin sa.

Yi hoton bayanan martaba mai murabba'i

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