Added built-in noVNC support.

public/novnc/core/decoders/copyrect.js

@@ -0,0 +1,24 @@
+/*
+ * noVNC: HTML5 VNC client
+ * Copyright (C) 2012 Joel Martin
+ * Copyright (C) 2018 Samuel Mannehed for Cendio AB
+ * Copyright (C) 2018 Pierre Ossman for Cendio AB
+ * Licensed under MPL 2.0 (see LICENSE.txt)
+ *
+ * See README.md for usage and integration instructions.
+ *
+ */
+
+export default class CopyRectDecoder {
+    decodeRect(x, y, width, height, sock, display, depth) {
+        if (sock.rQwait("COPYRECT", 4)) {
+            return false;
+        }
+
+        let deltaX = sock.rQshift16();
+        let deltaY = sock.rQshift16();
+        display.copyImage(deltaX, deltaY, x, y, width, height);
+
+        return true;
+    }
+}