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// BitmapSpriteEd - Bitmap Sprite Editor
// Copyright (C) 2005  Ian Cowburn
// 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// $Id$
//
using System;
using System.Windows.Forms;
using System.Text;
using System.IO;
using System.Drawing;
using System.Diagnostics;

namespace BitmapSpriteEd
{
	/// <summary>
	/// Usual utils and some state machine
	/// </summary>
	public class Util
	{
		public static bool YesNo(string s)
		{
			return MessageBox.Show(s,"Bitmap Sprite Editor",
			                       MessageBoxButtons.YesNo,
			                       MessageBoxIcon.Question)==DialogResult.Yes;
		}

		public static DialogResult YesNoCancel(string s)
		{
			return MessageBox.Show(s,"Bitmap Sprite Editor",
			                       MessageBoxButtons.YesNoCancel,
			                       MessageBoxIcon.Question);
		}

		public static void Message(string s)
		{
			MessageBox.Show(s,"Bitmap Sprite Editor",MessageBoxButtons.OK,MessageBoxIcon.Information);
		}

		public static void Error(string s)
		{
			MessageBox.Show(s,"Bitmap Sprite Editor - ERROR",MessageBoxButtons.OK,MessageBoxIcon.Error);
		}

		public static void About()
		{
			MessageBox.Show(m_about,"About Bitmap Sprite Editor",
			                MessageBoxButtons.OK,MessageBoxIcon.Information);
		}
		
		public static int ReadInt(Stream str)
		{
			int l=0;
			
			for(int f=0;f<4;f++)
			{
				int b=str.ReadByte();
				l|=b<<(f*8);
			}
			
			return l;
		}
		
		public static void WriteInt(Stream str, int l)
		{
			for(uint f=0;f<4;f++)
			{
				str.WriteByte((byte)(l&0xff));
				l=l>>8;
			}
		}
		
		public static void WriteString(Stream str, string s)
		{
			byte[] b=Encoding.ASCII.GetBytes(s);
			
			WriteInt(str,b.Length);
			str.Write(b,0,b.Length);
		}
		
		public static string ReadString(Stream str)
		{
			int len=ReadInt(str);
			byte[] b=new byte[len];
			
			str.Read(b,0,len);
			return Encoding.ASCII.GetString(b);
		}
		
		private Util()
		{
		}
		
		private static string m_about=
					"Bitmap Sprite Editor\n"+
			        "Copyright Ian Cowburn 2005\n\n"+
					"This program is free software; you can redistribute it and/or\n"+
					"modify it under the terms of the GNU General Public License\n"+
					"as published by the Free Software Foundation; either version 2\n"+
					"of the License, or (at your option) any later version.\n\n"+
					"This program is distributed in the hope that it will be useful,\n"+
					"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"+
					"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"+
					"GNU General Public License for more details.\n\n"+
					"You should have received a copy of the GNU General Public License\n"+
					"along with this program; if not, write to the Free Software\n"+
					"Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.";
	}
}