Codeshape.cs

using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;

namespace codeshape
{
	static class Program
	{
		static void Main(string[] args)
		{
			var exts = args.First().Split(',');
			var sourceFiles = args.Skip(1).SelectMany(a => exts.SelectMany(e => Directory.GetFiles(a, "*." + e, SearchOption.AllDirectories)));
			var codeLines = sourceFiles.SelectMany(a => File.ReadAllLines(a))
				.Where(a => a.Trim() != "")
				.Select(a => a.Replace("\t", "    "));
			var codeImages = codeLines.Select(a => a.ToBitmap());

			var finalWidth = codeImages.Max(a => a.Width);
			var finalHeight = codeImages.Count();

			var factor = 10;

			var colHeight = finalHeight / factor;

			var b = new Bitmap(finalWidth * factor, colHeight);
			var g = Graphics.FromImage(b);

			g.FillRectangle(Brushes.White, 0, 0, finalWidth * factor, finalHeight / factor);
			var i = 0;

			foreach (var line in codeImages)
				g.DrawImageUnscaled(line, (i / colHeight) * finalWidth, (i++ % colHeight));

			g.Flush();
			b.Save("c:\\users\\chrisf\\desktop\\codeimage.png", ImageFormat.Png);
		}

		static Bitmap ToBitmap(this string text)
		{
			var b = new Bitmap(text.Length, 1);
			for (var i = 0; i < text.Length; i++)
				b.SetPixel(i, 0, (text[i] == ' ') ? Color.White : Color.Black);
			return b;
		}
	}
}