Bitmap Font Generator compatible with GapiDraw 4.x

fontgen.cs

using System.Drawing;

namespace fontgen
{
	static class Program
	{
		static void Main(string[] args)
		{
			var bitmap = new Bitmap(1024, 60);
			var x = 0;
			var s = MakeCharRange(' ', '~');
			var f = new Font( args[0], float.Parse(args[1]), FontStyle.Regular);

			using (var g = Graphics.FromImage(bitmap))
			{
				g.FillRectangle( Brushes.Magenta, new Rectangle(0,0,bitmap.Width, bitmap.Height ));
				foreach (var c in s)
				{
					var w = g.MeasureString("_" + "" + c + "_", f).Width -
						g.MeasureString("__", f).Width;

					g.DrawWithContrast("" + c, f, Brushes.White, Brushes.Black, x-1, 3);

					g.DrawLine(Pens.White, x, 0, x + (int)(w + .9f), 0);

					x += (int)(w + 2.9f);
				}
			}

			bitmap.Save(args[2]);
		}

		static void DrawWithContrast(this Graphics g, string s, Font f, Brush fg, Brush bg, int x, int y)
		{
			for (var u = x - 1; u < x + 2; u++)
				for (var v = y - 1; v < y + 2; v++)
					g.DrawString(s, f, bg, u, v);

			g.DrawString(s, f, fg, x, y);
		}

		static string MakeCharRange(char a, char b)
		{
			var s = "";
			while (a <= b)
				s += a++;
			return s;
		}
	}
}