diff --git a/examples/test/bg.js b/examples/test/bg.js
new file mode 100644
index 0000000..a38985c
--- /dev/null
+++ b/examples/test/bg.js
@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+var fs = require('fs'),
+ PNG = require('pngjs').PNG;
+
+
+var png = new PNG({
+ width: 10,
+ height: 10,
+ filterType: -1
+});
+
+
+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;
+ }
+}
+
+png.pipe(fs.createWriteStream('bg.png'));
+png.pack();
diff --git a/examples/test/bg.png b/examples/test/bg.png
new file mode 100644
index 0000000..491ae6e
Binary files /dev/null and b/examples/test/bg.png differ
diff --git a/examples/test/list.html b/examples/test/list.html
index 1e3aa12..b2183fd 100644
--- a/examples/test/list.html
+++ b/examples/test/list.html
@@ -3,8 +3,8 @@
PNG Test
diff --git a/lib/png.js b/lib/png.js
index 693db79..87e2f47 100644
--- a/lib/png.js
+++ b/lib/png.js
@@ -52,6 +52,7 @@ util.inherits(PNG, Parser);
PNG.prototype.pack = function() {
this._pack(this.width, this.height, this.data);
+ return this;
};
@@ -76,11 +77,13 @@ PNG.prototype.parse = function(data, callback) {
}
this._parse(data);
+ return this;
};
PNG.prototype.write = function(data) {
this._buffers.push(data);
this._buffLen += data.length;
+ return true;
};
PNG.prototype.end = function(data) {