///
///    This file is part of ILNumerics Community Edition.
///
///    ILNumerics Community Edition - high performance computing for applications.
///    Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
///
///    ILNumerics Community Edition is free software: you can redistribute it and/or modify
///    it under the terms of the GNU General Public License version 3 as published by
///    the Free Software Foundation.
///
///    ILNumerics Community Edition 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 ILNumerics Community Edition. See the file License.txt in the root
///    of your distribution package. If not, see <http://www.gnu.org/licenses/>.
///
///    In addition this software uses the following components and/or licenses: 
///
///    =================================================================================
///    The Open Toolkit Library License
///    
///    Copyright (c) 2006 - 2009 the Open Toolkit library.
///    
///    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.
///
///    =================================================================================
///    

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing; 
using ILNumerics.Drawing.Collections; 

namespace ILNumerics.Drawing.Lighting {
    public class ILLight {

        #region eventing
        public EventHandler Changed; 
        protected void OnChanged() {
            if (Changed != null) {
                Changed(this, new EventArgs()); 
            }
        }
        #endregion

        #region attributes
        private bool m_enabled;
        private int m_index;
        private ILPoint3Df m_position;
        private Color m_specular;
        private Color m_emission;
        private Color m_ambient;
        private Color m_diffuse;
        #endregion

        #region properties
        public bool Enabled {
            get { return m_enabled; }
            set { 
                m_enabled = value; 
                OnChanged(); 
            }
        }
        public int Index {
            get { return m_index; }
        }
        public ILPoint3Df Position {
            get { return m_position; }
            set { 
                m_position = value;  
                OnChanged(); 
            }
        }
        public Color Specular {
            get { return m_specular; }
            set { 
                m_specular = value;  
                OnChanged(); 
            }
        }
        public Color Ambient {
            get {
                return m_ambient; 
            } 
            set {
                m_ambient = value; 
                OnChanged(); 
            }
        }
        public Color Diffuse {
            get {
                return m_diffuse; 
            } 
            set {
                m_diffuse = value; 
                OnChanged(); 
            }
        }
        #endregion

        #region constructors
        public ILLight (int index) {
            m_enabled = index == 0; 
            m_index = index; 
            Position = new ILPoint3Df(100f,100f,100);
            Specular = Color.FromArgb(255,255,255);
            Ambient = Color.FromArgb(90,90,90); 
            Diffuse = Color.FromArgb(160,160,160);  
        }
        #endregion

        #region public interface

        #endregion

        #region private helpers

        #endregion



    }
}