完善虚拟机连接

VM/novnc/core/decoders/rre.js

@@ -0,0 +1,44 @@
+/*
+ * noVNC: HTML5 VNC client
+ * Copyright (C) 2019 The noVNC Authors
+ * Licensed under MPL 2.0 (see LICENSE.txt)
+ *
+ * See README.md for usage and integration instructions.
+ *
+ */
+
+export default class RREDecoder {
+    constructor() {
+        this._subrects = 0;
+    }
+
+    decodeRect(x, y, width, height, sock, display, depth) {
+        if (this._subrects === 0) {
+            if (sock.rQwait("RRE", 4 + 4)) {
+                return false;
+            }
+
+            this._subrects = sock.rQshift32();
+
+            let color = sock.rQshiftBytes(4);  // Background
+            display.fillRect(x, y, width, height, color);
+        }
+
+        while (this._subrects > 0) {
+            if (sock.rQwait("RRE", 4 + 8)) {
+                return false;
+            }
+
+            let color = sock.rQshiftBytes(4);
+            let sx = sock.rQshift16();
+            let sy = sock.rQshift16();
+            let swidth = sock.rQshift16();
+            let sheight = sock.rQshift16();
+            display.fillRect(x + sx, y + sy, swidth, sheight, color);
+
+            this._subrects--;
+        }
+
+        return true;
+    }
+}