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Descrizione

Expected Behavior

2021-04-07T09:36:55.000Z

# Expected Behavior this image ![example](https://user-images.githubusercontent.com/67194495/113842856-670faf80-9793-11eb-9d5d-867273fe6d3f.png) to something like this ![dithered_image](https://user-images.githubusercontent.com/67194495/113843205-ad650e80-9793-11eb-8681-4bc8d08b8e12.png) # Current Behavior this image ![example](https://user-images.githubusercontent.com/67194495/113843333-c8378300-9793-11eb-81b3-7c64953367d7.png) to this image ![dithered_image](https://user-images.githubusercontent.com/67194495/113843363-ce2d6400-9793-11eb-9e1a-aff35b66b790.png) there is just nothing happening # Failure Information (for bugs) the image is not being dithered ## Steps to Reproduce my code snippet: ``` Jimp.read('./server/images/example.png', async function (err, image) { async function dithering() { console.log('dithering', file) image.dither565() image.write(`./server/images/dithered_image.png`) file = `./server/images/dithered_image.png` } //... //... ``` 1. step 1: dither the image 2. step 2: see the result ## Context - Jimp Version: 0.16.1 - Operating System: Windows 10 64 bit - Node version: v14.16.0 ## Failure Logs no errors / logs

this image example to something like this dithered_image

Current Behavior

this image example to this image dithered_image there is just nothing happening

Failure Information (for bugs)

the image is not being dithered

Steps to Reproduce

my code snippet:


Jimp.read('./server/images/example.png', async function (err, image) {
            
            async function dithering() {
                console.log('dithering', file)

                image.dither565()
                image.write(`./server/images/dithered_image.png`)


                file = `./server/images/dithered_image.png`
            } 
     //...
     //...

step 1: dither the image
step 2: see the result

Context

Jimp Version: 0.16.1
Operating System: Windows 10 64 bit
Node version: v14.16.0

Failure Logs

no errors / logs

Guida contributor

Direzione di ricerca: Ispeziona l'implementazione del metodo dither565 in Jimp per confermare che applichi correttamente l'algoritmo di dithering. Verifica se il metodo modifica l'immagine direttamente o restituisce una nuova immagine e controlla che l'operazione di scrittura venga chiamata dopo il completamento del dithering. Utilizza il debugger o console.log per tracciare i dati dei pixel dopo il dithering.
Tech stack: javascriptnodejs
Dominio: backend
Tipo issue: Bug
Difficoltà: 2
Tempo stimato: 1-3 ore
Stato attività: Attiva
Chiarezza: Chiara
Prerequisiti: Node.jsJimp
Adatta ai principianti: 70