Dab tsi yog render hauv Java?
Dab tsi yog render hauv Java?

Video: Dab tsi yog render hauv Java?

Video: Dab tsi yog render hauv Java?
Video: Yog ntuj tsis pab ntshe kuv tuag lawm 8/6/2018 2024, Kaum ib hlis
Anonim

java ua .lang. Object javax.faces. ua . Renderer public abstract class Renderer extends Object. Tus Renderer hloov pauv tus sawv cev sab hauv ntawm UIComponent s rau hauv cov zis tawm (lossis sau ntawv) cuam tshuam nrog cov lus teb peb tab tom tsim rau ib qho kev thov tshwj xeeb.

Ua raws li qhov no saib, dab tsi yog txheej txheem rendering hauv Java?

Cov Java 2D API muab qhov sib xws kev ua qauv hla ntau hom khoom siv. Nyob rau hauv daim ntawv thov, lub rendering txheej txheem yog tib yam seb lub hom phiaj kev ua ntaus ntawv yog ib qho screen lossis lub tshuab luam ntawv. Rendering cov txheej txheem ntawm tej geometric primitive, siv cov hlab ntsha tawg thiab xim xim (kos txoj kev).

Qhov thib ob, Graphics2D yog dab tsi hauv Java? Graphics2D yog subclass java ua . awt. Graphics, uas txuas ntxiv kev txhawb nqa ntawm cov cuab yeej cuab tam Graphics hauv kev ua peb pawg ntawm cov khoom: ntawv nyeem, vector-graphics thiab bitmap dluab. Nws kuj tseem txhawb nqa ntau tus cwj pwm uas cuam tshuam rau kev ua, piv txwv li, Hloov cov cwj pwm (kev txhais lus, kev sib hloov, scaling thiab shearing).

Tsis tas li ntawd, koj txhais li cas los ntawm rendering?

Rendering los yog duab synthesis yog cov txheej txheem tsis siv neeg ntawm kev tsim cov duab tiag tiag lossis cov duab tsis yog duab los ntawm 2D lossis 3D qauv (los yog cov qauv hauv dab tsi tuaj yeem hu ua cov ntaub ntawv scene) los ntawm kev siv computer. Tsis tas li ntawd, cov txiaj ntsig ntawm kev nthuav tawm cov qauv zoo li no tuaj yeem hu ua a ua.

Muaj pes tsawg hom rendering muaj?

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