diff --git a/examples/newfile.js b/examples/newfile.js
index 71153ed..77ea5b6 100644
--- a/examples/newfile.js
+++ b/examples/newfile.js
@@ -1,10 +1,23 @@
 var PNG = require("../lib/png").PNG;
 
-(new PNG({width:1,height:1})).pack()
-  .on('data', function(data) {
-    console.log('data', data);
-  })
-  .on('end', function() {
+var newfile = new PNG({width:10,height:10});
+
+for (var y = 0; y < png.height; y++) {
+  for (var x = 0; x < png.width; x++) {
+    var idx = (png.width * y + x) << 2;
+
+    var col = x < (png.width >> 1) ^ y < (png.height >> 1) ? 0xe5 : 0xff;
+
+    png.data[idx] = col;
+    png.data[idx + 1] = col;
+    png.data[idx + 2] = col;
+    png.data[idx + 3] = 0xff;
+  }
+}
+
+newfile.pack()
+  .pipe(fs.createWriteStream(__dirname + '/newfile.png'))
+  .on('finish', function() {
     console.log('bitmap:', this.data);
     console.log('end !');
-  });
\ No newline at end of file
+  });