[termux] testing support for termux v17

src/commands/figurinha.js

@@ -1,11 +1,19 @@
 import pkg from "whatsapp-web.js";
 const { MessageMedia } = pkg;
-import sharp from "../utils/sharp-loader.js";
+
 import fs from "fs";
+import os from "os";
+import { execFile } from "child_process";
+import { promisify } from "util";
+import webpmux from "node-webpmux";
+
 import { botMsg } from "../utils/botMsg.js";
-import { client } from "../client/whatsappClient.js"
+import { client } from "../client/whatsappClient.js";
+
+const exec = promisify(execFile);
 
 export async function gerarSticker(msg) {
+
     if (!msg.hasMedia) {
         await msg.reply(botMsg("Envie uma imagem junto com o comando: `!figurinha`."));
         return;
@@ -13,20 +21,76 @@ export async function gerarSticker(msg) {
 
     const media = await msg.downloadMedia();
     const ext = media.mimetype.split("/")[1];
+
     const input = `downloads/${msg.id._serialized}.${ext}`;
     const output = `downloads/${msg.id._serialized}.webp`;
 
     fs.writeFileSync(input, Buffer.from(media.data, "base64"));
 
-    await sharp(input)
-        .resize(512, 512, { fit: "contain", background: { r:0,g:0,b:0,alpha:0 } })
-        .webp()
-        .toFile(output);
+    const so = os.platform();
+    const cmd = so === "win32" ? ".\\bin\\ffmpeg.exe" : "./bin/ffmpeg";
+
+    await exec(cmd, [
+        "-y",
+        "-i", input,
+        "-vf",
+        "scale=512:512:force_original_aspect_ratio=decrease,pad=512:512:(ow-iw)/2:(oh-ih)/2:color=0x00000000",
+        "-vcodec", "libwebp",
+        "-lossless", "1",
+        "-qscale", "75",
+        "-preset", "default",
+        "-an",
+        "-vsync", "0",
+        output
+    ]);
+
+    const img = new webpmux.Image();
+    await img.load(output);
+
+    const metadata = {
+        "sticker-pack-id": "manybot",
+        "sticker-pack-name": "Feito por ManyBot",
+        "sticker-pack-publisher": "My Little Pony Lovers",
+        "emojis": ["🤖"]
+    };
+
+    const json = Buffer.from(JSON.stringify(metadata));
+
+    const exif = Buffer.concat([
+        Buffer.from([
+            0x49,0x49,0x2A,0x00,
+            0x08,0x00,0x00,0x00,
+            0x01,0x00,
+            0x41,0x57,
+            0x07,0x00
+        ]),
+        Buffer.from([
+            json.length & 0xff,
+            (json.length >> 8) & 0xff,
+            (json.length >> 16) & 0xff,
+            (json.length >> 24) & 0xff
+        ]),
+        json
+    ]);
+
+    img.exif = exif;
+    await img.save(output);
 
     const data = fs.readFileSync(output);
-    const sticker = new MessageMedia("image/webp", data.toString("base64"), "sticker.webp");
+
+    const sticker = new MessageMedia(
+        "image/webp",
+        data.toString("base64"),
+        "sticker.webp"
+    );
+
     const chat = await msg.getChat();
-    await client.sendMessage(chat.id._serialized, sticker, { sendMediaAsSticker: true });
+
+    await client.sendMessage(
+        chat.id._serialized,
+        sticker,
+        { sendMediaAsSticker: true }
+    );
 
     fs.unlinkSync(input);
     fs.unlinkSync(output);