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Example code of tomaj/nette-images

Informations about the package nette-images

Nette Image

Specialna kniznica pre lahsiu pracu s obrazkami. Umoznuje ukladat obrazky do roznych storagov a roznej struktury. Rovnako umoznuje vytvarat priamo k obrazkom rozne thumby.

Build Status Dependency Status

Latest Stable Version Latest Unstable Version License

Instalacia

Najlepsie cez composer

Nastavenie

Pre fungovanie je potrebne zaregistrovat a nastavit, pdola toho aky backend chceme pouzivat. Backend je treba zaregistraovat ako nette service. Pouzitie klasickeho file backendu: alebo je mozne pouzit S3 backend . Nastavenie je treba upravit podla toho kam na S3 chceme obrazok ukladat

Celkova konfiguracia moze vyzerat napriklad takto:

Aplikacia moze obsahovat viacero instancii sluzby ImageService kde kazda moze pouzivat iny backend a ine velkosti pre obrazky

Pre fungovanie helpra v sablonach ho je potrebne zaregistrovat v presenteri:

Pouzitie

Pouzitie je rozdelene 2 casti - pridanie obrazku a vytvorenie linky na obrazok.

Upload

Novy obrazok je mozne pridat v kode cez nasledovanu funkciu:

Tento $identifier ktory vrati metoda store() si treba ulozit pre spetne ziskanie obrazku

Novy obrazok je mozne pridat priamo z nette formulara takto:

Generovanie nahladov

Pre vytvorenie nahladu je potrebna hodnota ktoru ImageService vratil po ulozenie obrazku. Priklad moze vyzerat nasledovne:

NOTE: v pripade ze zmensenina ktora sa da vytvorit neexistuje tak vytvori linka ktora bude odkazovat na neexistujuci zdroj, pokial tuto chybu neostruje priamo backend.

Tiez je mozne pouzit priamo vygenerovanie nahladu v sablone pomocou helpera (je potrebne ho zaregistrovat ako je uvedene na zaciatku)

Pri tomto pouziti je dolezite uvies druhy paramter(retazec) podla ktoreho sa pouzije spravny ImageService - v projekte ich moze byt viac. Pomocou dependecy injection sa vytvori nazov sluzby ktora sa bude pouzivat - toto chovanie je mozne v aplikacii zmenit, nie je sucastou kniznice(implementacia je hore pri registrovanie helpera)

Rozne typy nahladov Pre nahlady je mozne pouzit rozne presety podla ktorych sa budu obrazky pouzivat. Konfiguracia potom vyzera takto:

Nazvy a funkcnost presne kopiruje nette dokumentaciu ku obrazkom. http://doc.nette.org/cs/2.1/images Defaultne je pouzity preset EXACT.

Vygenerovanie novej velkosti alebo pregenerovanie nahladov

Na vygenerovanie novej velkosti existuje funkcia regenerateThumb v image servise. Staci ju zavolat nad identifiermi ktore mame a vygeneruju sa nove thumby. Pouzitie moze vyzerat nasledovne:

Rozisrenie - pridanie noveho backendu

Pre pridanie dalsieho backendu staci implementovat interface Tomaj\Image\Backend\BackendInterface. Vsetky potrebne info je mozne vycitat z komentarov priamo v tomto interfaci a implemtnacii FileBackendu a S3Backendu

TODO - co by bolo dobre este doriesit

  1. Aktualne sa vsety thumby generuju napevno ako .jpg
  2. Treba doplnit funkcie pre mazanie obrazkov z backendu a upravu obrazku v backende

All versions of nette-images with dependencies

PHP Build Version
Package Version
Requires php Version >=5.3.3
nette/nette Version ~2.2
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