diff --git a/examples/smoketest/shape-rectangles.js b/examples/smoketest/shape-rectangles.js
new file mode 100644
index 0000000..38c02d4
--- /dev/null
+++ b/examples/smoketest/shape-rectangles.js
@@ -0,0 +1,22 @@
+var x11 = require('../../lib');
+
+var Expose = 12;
+
+x11.createClient(function(err, display) {
+    var X = display.client;
+    var root = display.screen[0].root;
+    X.require('shape', function(err, Shape) {
+        var win = X.AllocID();
+        X.CreateWindow(win, root, 0, 0, 200, 200);
+        X.ChangeWindowAttributes(win, { backgroundPixel: display.screen[0].black_pixel });
+        X.MapWindow(win);
+        Shape.Rectangles(Shape.Op.Set, Shape.Kind.Bounding, win, 0, 0, [
+            [40, 40, 40, 40], [120, 40, 40, 40],
+            [0, 120, 20, 20], [180, 120, 20, 20],
+            [20, 140, 30, 20], [150, 140, 30, 20],
+            [50, 160, 100, 20]
+        ]);
+    });
+    X.on('error', function(err) { console.log(err); });
+
+});
diff --git a/examples/smoketest/shapetest.js b/examples/smoketest/shapetest.js
index 31ba286..7784165 100644
--- a/examples/smoketest/shapetest.js
+++ b/examples/smoketest/shapetest.js
@@ -6,17 +6,22 @@ x11.createClient(function(err, display) {
     X.require('shape', function(err, Shape) {
         var win = X.AllocID();
         X.CreateWindow(win, root, 0, 0, 200, 200);
-        var gc = X.AllocID();
-        X.CreateGC(gc, win);
-        //X.MapWindow(win);
-        Shape.SelectInput(win, 1);
+        X.ChangeWindowAttributes(win, { backgroundPixel: display.screen[0].white_pixel });
+        X.MapWindow(win);
+        X.ClearArea(win, 0, 0, 200, 200, false);
+
+        Shape.SelectInput(win, true);
         Shape.InputSelected(win, function(err, isSelected) {
             console.log("IsSelected: " + isSelected);
         });
-        //var pid = X.AllocID();
-        //X.CreatePixmap(pid, win, 2, 200, 200);
-        //X.PolyText8(pid, gc, 0, 0, ['Hello, Node.JS!', ' Hello, world!']);
-        //Shape.Mask(Shape.Op.Set, Shape.Kind.Input, win, 0, 0, pid);
+
+        var bitmap = X.AllocID();
+        X.CreatePixmap(bitmap, win, 1, 200, 200);
+        var gc = X.AllocID();
+        X.CreateGC(gc, bitmap, { foreground: 1 });
+//        X.PolyText8(bitmap, gc, 0, 0, ['Hello, Node.JS!', ' Hello, world!']);
+        X.PolyFillArc(bitmap, gc, [0, 0, 200, 200, 0, 360 * 64]);
+        Shape.Mask(Shape.Op.Set, Shape.Kind.Bounding, win, 0, 0, bitmap);
 
         X.on('event', function(ev) {
           console.log(ev);
diff --git a/lib/ext/shape.js b/lib/ext/shape.js
index f328c11..e9df1aa 100644
--- a/lib/ext/shape.js
+++ b/lib/ext/shape.js
@@ -21,7 +21,7 @@ exports.requireExt = function(display, callback)
 
         ext.Kind = {
             Bounding: 0,
-	    Clip: 1,
+            Clip: 1,
             Input: 2
         };
 
@@ -31,12 +31,19 @@ exports.requireExt = function(display, callback)
             Intersect: 2,
             Subtract: 3,
             Invert: 4
-        }
+        };
+
+        ext.Ordering = {
+            Unsorted: 0,
+            YSorted: 1,
+            YXSorted: 2,
+            YXBanded: 3
+        };
 
         ext.QueryVersion = function(cb)
         {
             X.seq_num++;
-            captureStack();
+//            captureStack();
             X.pack_stream.pack('CCSLL', [ext.majorOpcode, 0, 1]);
             X.replies[X.seq_num] = [
                 function(buf, opt) {
@@ -48,18 +55,36 @@ exports.requireExt = function(display, callback)
             X.pack_stream.flush();
         }
 
+        // Accepts rectangles as [[x, y, width, height]]
+        ext.Rectangles = function( op, kind, window, x, y, rectangles, ordering /* = Ordering.Unsorted */ )
+        {
+            if (ordering === undefined)
+                ordering = ext.Ordering.Unsorted;
+
+            var length = 4 + rectangles.length * 2;
+
+            X.seq_num++;
+//            captureStack();
+            X.pack_stream.pack('CCSCCCxLss', [ext.majorOpcode, 1, length, op, kind, ordering, window, x, y]);
+            for (var i = 0; i < rectangles.length; ++i) {
+                var r = rectangles[i];
+                X.pack_stream.pack('ssSS', r);
+            }
+            X.pack_stream.flush();
+        }
+
         ext.Mask = function( op, kind, window, x, y, bitmap )
         {
             X.seq_num++;
-            captureStack();
-            X.pack_stream.pack('CCSCCxxLssL', [ext.majorOpcode, 2, 5, op, kind, x, y, bitmap]);
+//            captureStack();
+            X.pack_stream.pack('CCSCCxxLssL', [ext.majorOpcode, 2, 5, op, kind, window, x, y, bitmap]);
             X.pack_stream.flush();
         }
 
         ext.SelectInput = function( window, enable )
         {
             X.seq_num++;
-            captureStack();
+//            captureStack();
             X.pack_stream.pack('CCSLCxxx', [ext.majorOpcode, 6, 3, window, enable ]);
             X.pack_stream.flush();
         }
@@ -67,7 +92,7 @@ exports.requireExt = function(display, callback)
         ext.InputSelected = function( window, cb )
         {
             X.seq_num++;
-            captureStack();
+//            captureStack();
             X.pack_stream.pack('CCSL', [ext.majorOpcode, 7, 2, window ]);
             X.replies[X.seq_num] = [
                 function(buf, opt) {