URL to PNG

Program.cs

using System;
using System.Threading;
using Awesomium.Core;

namespace UrlToPng
{
    class Program
    {
        private const string ScrollbarCss = "::-webkit-scrollbar { visibility: hidden; }";

        static void Main(string[] args)
        {
            if (args.Length < 4)
            {
                Console.WriteLine("Missing arguments: UrlToPng.exe <w> <h> <url> <output>");
                return;
            }

            var width = int.Parse(args[0]);
            var height = int.Parse(args[1]);
            var target = args[2];
            var output = args[3];

            // Display some informative message. Loading the page
            // may  take a while depending on your internet
            // connection speed.
            Console.WriteLine("Getting a {0}x{1} snapshot of {2} ...", width, height, target);

            // We demonstrate an easy way to hide the scrollbars by providing
            // custom CSS. Read more about how to style the scrollbars here:
            // http://www.webkit.org/blog/363/styling-scrollbars/.
            var prefs = WebPreferences.Default;
            prefs.CustomCSS = ScrollbarCss;
            var session = WebCore.CreateWebSession(prefs);
            
            // Create a WebView.
            // WebView implements IDisposable. You can dispose and
            // destroy the view by calling WebView.Close().
            // Here we demonstrate wrapping it in a using statement.
            using (var webView = WebCore.CreateWebView(width, height, session))
            {
                // Variable used to announce
                // that the page has loaded.
                var finishedLoading = false;

                // Load a page in the view.
                webView.Source = target.ToUri();

                // Handle the LoadCompleted event to monitor page loading.
                webView.LoadingFrameComplete += (sender, e) =>
                {
                    finishedLoading = true;
                };

                // Wait for the page to load.
                while (!finishedLoading)
                {
                    Thread.Sleep(100);
                    // WebCore provides an Auto-Update feature
                    // for UI applications. A console application
                    // has no UI and no synchronization context
                    // so we need to manually call Update here.
                    WebCore.Update();
                }

                // Render to a pixel buffer and save the buffer to a .png image.
                var surface = (BitmapSurface)webView.Surface;
                surface.SaveToPNG(output);
            }

            // Shut down Awesomium before exiting.
            WebCore.Shutdown();
        }
    }
}