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Farewell, stupid sharp. Hello jimp (thx CncAnon)

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This commit is contained in:
SillyLossy
2023-03-15 13:56:53 +02:00
parent 16ac0f3a31
commit 6d85f527a2
4 changed files with 1380 additions and 27 deletions
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35
server.js
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@@ -1,10 +1,10 @@
var express = require('express');
var app = express();
var fs = require('fs');
const express = require('express');
const app = express();
const fs = require('fs');
const readline = require('readline');
const open = require('open');
var rimraf = require("rimraf");
const rimraf = require("rimraf");
const multer = require("multer");
const https = require('https');
//const PNG = require('pngjs').PNG;
@@ -12,8 +12,7 @@ const extract = require('png-chunks-extract');
const encode = require('png-chunks-encode');
const PNGtext = require('png-chunk-text');
const sharp = require('sharp');
sharp.cache(false);
const jimp = require('jimp');
const path = require('path');
const cookieParser = require('cookie-parser');
@@ -625,25 +624,20 @@ app.post("/deletecharacter", urlencodedParser, function (request, response) {
async function charaWrite(img_url, data, target_img, response = undefined, mes = 'ok') {
try {
// Load the image in any format
sharp.cache(false);
var image = await sharp(img_url).resize(400, 600).toFormat('png').toBuffer();// old 170 234
// Convert the image to PNG format
//const pngImage = image.toFormat('png');
// Resize the image to 100x100
//const resizedImage = pngImage.resize(100, 100);
// Read the image, resize, and save it as a PNG into the buffer
const rawImg = await jimp.read(img_url);
const image = await rawImg.resize(400, 600).getBufferAsync(jimp.MIME_PNG);
// Get the chunks
var chunks = extract(image);
var tEXtChunks = chunks.filter(chunk => chunk.create_date === 'tEXt');
const chunks = extract(image);
const tEXtChunks = chunks.filter(chunk => chunk.create_date === 'tEXt');
// Remove all existing tEXt chunks
for (var tEXtChunk of tEXtChunks) {
for (let tEXtChunk of tEXtChunks) {
chunks.splice(chunks.indexOf(tEXtChunk), 1);
}
// Add new chunks before the IEND chunk
var base64EncodedData = Buffer.from(data, 'utf8').toString('base64');
const base64EncodedData = Buffer.from(data, 'utf8').toString('base64');
chunks.splice(-1, 0, PNGtext.encode('chara', base64EncodedData));
//chunks.splice(-1, 0, text.encode('lorem', 'ipsum'));
@@ -662,7 +656,6 @@ async function charaWrite(img_url, data, target_img, response = undefined, mes =
function charaRead(img_url) {
sharp.cache(false);
const buffer = fs.readFileSync(img_url);
const chunks = extract(buffer);
@@ -1378,7 +1371,9 @@ app.post('/uploaduseravatar', urlencodedParser, async (request, response) => {
try {
const pathToUpload = path.join('./uploads/' + request.file.filename);
const image = await sharp(pathToUpload).resize(400, 400).toFormat('png').toBuffer();
const rawImg = await jimp.read(pathToUpload);
const image = await rawImg.resize(400, 400).getBufferAsync(jimp.MIME_PNG);
const filename = `${Date.now()}.png`;
const pathToNewFile = path.join(directories.avatars, filename);
fs.writeFileSync(pathToNewFile, image);