migrate workers (#1374)

wireapp · Jun 12, 2017 · 7309736 · 7309736
1 parent 5e333ca
commit 7309736
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Showing 4 changed files with 46 additions and 37 deletions.
diff --git a/app/worker/image-worker.coffee b/app/worker/image-worker.coffee
diff --git a/app/worker/image-worker.js b/app/worker/image-worker.js
@@ -0,0 +1,24 @@
+importScripts('jimp.min.js');
+
+const MAX_SIZE = 1448;
+const MAX_FILE_SIZE = 310 * 1024;
+const COMPRESSION = 80;
+
+self.addEventListener('message', event =>
+
+  Jimp.read(event.data).then((image) => {
+
+    if ((image.bitmap.width > MAX_SIZE) || (image.bitmap.height > MAX_SIZE)) {
+      image.scaleToFit(MAX_SIZE, MAX_SIZE);
+    }
+
+    if (image.bitmap.data.length > MAX_FILE_SIZE) {
+      image.quality(COMPRESSION);
+    }
+
+    return image.getBuffer(Jimp.AUTO, (err, src) => {
+      self.postMessage(src);
+      return self.close();
+    });
+  })
+);
diff --git a/app/worker/profile-image-worker.coffee b/app/worker/profile-image-worker.coffee
diff --git a/app/worker/profile-image-worker.js b/app/worker/profile-image-worker.js
@@ -0,0 +1,22 @@
+importScripts('jimp.min.js');
+
+const MAX_SIZE = 280;
+const MAX_FILE_SIZE = 1024 * 1024;
+const COMPRESSION = 80;
+
+self.addEventListener('message', event =>
+
+  Jimp.read(event.data).then((image) => {
+
+    image.cover(MAX_SIZE, MAX_SIZE);
+
+    if (image.bitmap.data.length > MAX_FILE_SIZE) {
+      image.quality(COMPRESSION);
+    }
+
+    return image.getBuffer(Jimp.AUTO, (err, src) => {
+      self.postMessage(src);
+      return self.close();
+    });
+  })
+);