diff --git a/js/x11/examples/paint.js b/js/x11/examples/paint.js
new file mode 100644
index 0000000..5d666ff
--- /dev/null
+++ b/js/x11/examples/paint.js
@@ -0,0 +1,65 @@
+var x11 = require('../lib');
+var PointerMotion = x11.eventMask.PointerMotion;
+var ButtonPress = x11.eventMask.ButtonPress;
+var ButtonRelease = x11.eventMask.ButtonRelease;
+
+var X, Render;
+var pressed = false;
+var gradNo = 0;
+
+var xclient = x11.createClient(function(err, display) {
+    X = display.client;
+    var root = display.screen[0].root;
+    X.require('render', function(err, rendExt) {
+        Render = rendExt;
+        var wid = X.AllocID();
+
+        var white = display.screen[0].white_pixel;
+        var black = display.screen[0].black_pixel;
+        X.CreateWindow(wid, root, 10, 10, 400, 300, 0, 0, 0, 0, { backgroundPixel: white, eventMask: PointerMotion|ButtonPress|ButtonRelease });
+        X.MapWindow(wid);
+
+        var pict = X.AllocID();
+        Render.CreatePicture(pict, wid, Render.rgb24);
+        var pictGrad = [];
+        for (var i=0; i < 10; ++i)
+        {
+            pictGrad[i] = X.AllocID();
+            Render.RadialGradient(pictGrad[i], [50,56], [50,50], 0, 50,
+            [
+                [0,   [0,0,0,0x0fff ] ],
+                [0.1 + 0.8*i/10,   [0,0,0,0x0fff ] ],
+                [0.997,   [0xffff, 0xf, 0, 0x1] ],
+                [1,   [0xffff, 0xffff, 0, 0x0] ]
+            ]);
+        }
+
+        function draw(x, y) {
+            Render.Composite(3, pictGrad[gradNo], 0, pict, 0, 0, 0, 0, x-50, y-50, 100, 100);
+        }
+
+        X.on('event', function(ev) {
+            if (ev.type == 4 && ev.keycode == 1)
+                pressed = true;
+            else if (ev.type == 5 && ev.keycode == 1)
+                pressed = false;
+            else if (ev.type == 5 && ev.keycode == 4)
+            {
+                gradNo--;
+                if (gradNo < 0)
+                    gradNo = 0;
+                console.log(gradNo);
+            }
+            else if (ev.type == 5 && ev.keycode == 5)
+            {
+                gradNo++;
+                if (gradNo > 9)
+                    gradNo = 9;
+                console.log(gradNo);
+            }
+            else if (pressed)
+                draw(ev.x, ev.y);
+            //console.log(ev.type, ev.keycode);
+        });
+    });
+});