// created on 21.02.2002 at 17:06
//
// FrameDimension.cs
//
// Author: Christian Meyer
// eMail: Christian.Meyer@cs.tum.edu
// Dennis Hayes (dennish@raytek.com)
// Sanjay Gupta <gsanjay@novell.com>
// Jordi Mas i Hernanez (jordi@ximian.com)

//
// Copyright (C) 2004, 2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;

namespace System.Drawing.Imaging {

	public sealed class FrameDimension {

		private Guid guid;
		private string name;

		static FrameDimension page;
		static FrameDimension resolution;
		static FrameDimension time;


		public FrameDimension (Guid guid) 
		{
			this.guid = guid;
		}

		internal FrameDimension (Guid guid, string name)
		{
			this.guid = guid;
			this.name = name;
		}

		public Guid Guid {
			get { return guid; }
		}

		public static FrameDimension Page {
			get {
				if (page == null)
					page = new FrameDimension (new Guid ("7462dc86-6180-4c7e-8e3f-ee7333a7a483"), "Page");
				return page;
			}
		}
	
		public static FrameDimension Resolution {
			get {
				if (resolution == null) {
					resolution = new FrameDimension (new Guid ("84236f7b-3bd3-428f-8dab-4ea1439ca315"), 
						"Resolution");
				}
				return resolution;
			}
		}
	
		public static FrameDimension Time {
			get {
				if (time == null)
					time = new FrameDimension (new Guid ("6aedbd6d-3fb5-418a-83a6-7f45229dc872"), "Time");
				return time;
			}
		}

		public override bool Equals (object o) 
		{
			FrameDimension fd = (o as FrameDimension);
			if (fd == null)
				return false;		
		
			return (guid == fd.guid);			
		}
	
		public override int GetHashCode () 
		{
			return guid.GetHashCode ();
		}
	
		public override string ToString ()
		{
			if (name == null)
				name = String.Format ("[FrameDimension: {0}]", guid);
			return name;
		}
	}
}