Use lwip, add size

package.json

@@ -13,6 +13,6 @@
     "serve-favicon": "~2.1.3",
     "debug": "~2.0.0",
     "jade": "~1.6.0",
-    "imagemagick": "0.1.3"
+    "lwip": "0.0.5"
   }
 }

routes/avatars.js

@@ -4,30 +4,36 @@ var skins = require('../skins');
 var fs = require('fs')
 
 /* GET home page. */
-router.get('/:uuid', function(req, res) {
+router.get('/:uuid/:size?', function(req, res) {
   //res.render('index', { title: 'Express' });
   //res.send("uuid is set to " + req.param("uuid"));
-  uuid = req.param('uuid')
+  //console.log(req.param('size'))
+  var uuid = req.param('uuid')
+  var size = req.param('size')
+  if (size == null) {
+    size = 180;
+  }
   var filename = 'skins/' + uuid + ".png";
   if (fs.existsSync(filename)) {
-      fs.readFile(filename, function(err, data) {
-      res.writeHead(200, {'Content-Type': 'image/jpeg'});
+    skins.extract_face(filename, size, function() {
+      skins.extract_face(filename, size, function(data) {
+        res.writeHead(200, {'Content-Type': 'image/png'});
         res.end(data);
       });
+    });
   } else {
     skins.get_profile(uuid, function(profile) {
     	var skinurl = skins.skin_url(profile);
       if (skinurl) {
         skins.skin_file(skinurl, filename, function() {
-    			skins.extract_face(filename, filename, function() {
-    				fs.readFile(filename, function(err, data) {
-              res.writeHead(200, {'Content-Type': 'image/jpeg'});
+          skins.extract_face(filename, size, function(data) {
+            res.writeHead(200, {'Content-Type': 'image/png'});
             res.end(data);
           });
         });
-    		});
       } else {
-    		res.send("No skin found.");
+    		res.status(404)        // HTTP status 404: NotFound
+        .send('404 Not found')
       }
     });
   }

skins.js

@@ -1,7 +1,7 @@
 var http = require('http');
 var https = require('https');
 var fs = require('fs');
-var imagemagick = require('imagemagick');
+var lwip = require('lwip');
 
 
 /*
@@ -11,11 +11,18 @@ var imagemagick = require('imagemagick');
 module.exports = {
   get_profile: function(uuid, callback) {
     https.get("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid, function(res) {
+      if (res.statusCode == "204") {
+        callback(null);
+        return null;
+      }
      res.on('data', function(d) {
        var profile = JSON.parse(d);
-       if (profile.error) throw profile.error;
+       if (profile.error) callback(null);
        callback(profile);
      });
+     
+    }).on('error', function(e) {
+      console.error(e);
     });
   },
 
@@ -44,10 +51,14 @@ module.exports = {
       });
     });
   },
-  extract_face: function(infile, outfile, callback) {
-    imagemagick.convert([infile, '-crop', '8x8+8+8', outfile], function(err, stdout) {
-      if (err) throw err;
-      callback();
+  extract_face: function(infile, size, callback) {
+    lwip.open(infile, function(err, image){
+      image.batch()
+        .crop(8,8,15,15)
+        .resize(size, size, "nearest-neighbor")
+        .toBuffer('png', function(err, buffer){
+          callback(buffer);
+      });
     });
   }
 };