LunaticHacker|Unique-Avatar-Generator/| Added an Express api that returns a unique avatar from username

Author: LunaticHacker

Unique-Avatar-Generator/app.js

@@ -0,0 +1,74 @@
+const { createCanvas } = require("canvas");
+const MD5 = require("crypto-js/md5");
+const express = require("express");
+const app = express();
+const port = process.env.PORT || "8000";
+app.use(express.static("client"));
+
+app.get("/api/:name", (req, res) => {
+  image = generate(req.params.name);
+  res.json({ img: image });
+});
+
+app.listen(port);
+
+function generate(name) {
+  const canvas = createCanvas(200, 200);
+  const ctx = canvas.getContext("2d");
+  let hash = MD5(name).toString();
+  let props = {};
+  props.bgcolor = hash.substring(0, 4);
+  props.facecolor = hash.substring(4, 8);
+  props.eyecolor = hash.substring(8, 12);
+  props.mouthcolor = hash.substring(12, 16);
+  props.lefteyesize = map(
+    parseInt(hash.substring(16, 20), 16) % 50,
+    0,
+    50,
+    10,
+    50
+  );
+  props.righteyesize = map(
+    parseInt(hash.substring(20, 24), 16) % 50,
+    0,
+    50,
+    10,
+    50
+  );
+  props.mouthsize = map(
+    parseInt(hash.substring(24, 28), 16) % 50,
+    0,
+    50,
+    10,
+    30
+  );
+  ctx.fillStyle = `#${props.bgcolor}`;
+  ctx.fillRect(0, 0, 200, 200);
+  ctx.translate(100, 100);
+  ctx.strokeStyle = "#000000";
+  ctx.fillStyle = `#${props.facecolor}`;
+  ctx.beginPath();
+  ctx.arc(0, 0, 50, 0, 2 * Math.PI);
+  ctx.stroke();
+  ctx.fill();
+  ctx.fillStyle = `#${props.eyecolor}`;
+  ctx.beginPath();
+  ctx.arc(-20, 0, props.lefteyesize / 2, 0, 2 * Math.PI);
+  ctx.fill();
+  ctx.stroke();
+  ctx.beginPath();
+  ctx.arc(20, 0, props.righteyesize / 2, 0, 2 * Math.PI);
+  ctx.fill();
+  ctx.stroke();
+  ctx.fillStyle = `#${props.mouthcolor}`;
+  ctx.beginPath();
+  ctx.arc(0, 30, props.mouthsize / 2, 0, 2 * Math.PI);
+  ctx.fill();
+  ctx.stroke();
+
+  return canvas.toDataURL();
+}
+function map(n, start1, stop1, start2, stop2) {
+  const newval = ((n - start1) / (stop1 - start1)) * (stop2 - start2) + start2;
+  return newval;
+}

Unique-Avatar-Generator/package.json

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+{
+    "name": "avatar-maker",
+    "version": "1.0.0",
+    "description": "",
+    "main": "app.js",
+    "scripts": {
+      "test": "echo \"Error: no test specified\" && exit 1",
+      "start": "node app.js"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC",
+    "dependencies": {
+      "canvas": "^2.6.1",
+      "crypto-js": "^4.0.0",
+      "express": "^4.17.1"
+    }
+  }