/*=============================================================================
  
  Project:   SharpImage
  Module:    siFormAddLabel.cs
  Language:  C#
  Author:    Dan Mueller
  Date:      $Date: 2007-07-06 10:57:00 +1000 (Fri, 06 Jul 2007) $
  Revision:  $Revision: 2 $

  Copyright (c) Queensland University of Technology (QUT) 2007.
  All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notices for more information.
  
=============================================================================*/

using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Text;
using System.Windows.Forms;

using SharpImage.Main;
using SharpImage.Rendering;

namespace SharpImage.Forms
{
    public partial class siFormAddLabel : siFormTool
    {
        #region Label Info Classes
        //=====================================================================
        public abstract class siLabelInfo
        {
            protected itk.itkPixelType m_PixelType;
            
            public siLabelInfo(itk.itkPixelType type)
            {
                this.m_PixelType = type;
            }
            
            public abstract String Name { get; }
            
            public override string ToString()
            {
                return this.Name;
            }
        }

        public class siLabelInfoSingle : siLabelInfo
        {
            private Color m_RGB = Color.Red;
            private Byte m_Alpha = 128;
            private itk.itkPixel m_Value;

            public siLabelInfoSingle(itk.itkPixelType type)
                : base(type)
            {
                this.m_Value = new itk.itkPixel(type, 255);
            }

            [Browsable(false)]
            public override String Name
            {
                get { return "Single Color"; }
            }

            [Browsable(true)]
            [Category("Single Color")]
            [ParenthesizePropertyName(false)]
            [RefreshProperties(RefreshProperties.All)]
            public Color RGB
            {
                get { return this.m_RGB; }
                set { this.m_RGB = Color.FromArgb(value.R, value.G, value.B); }
            }

            [Browsable(true)]
            [Category("Single Color")]
            [ParenthesizePropertyName(false)]
            [RefreshProperties(RefreshProperties.All)]
            public Byte Alpha
            {
                get { return this.m_Alpha; }
                set { this.m_Alpha = value; }
            }

            [Browsable(false)]
            public Color Color
            {
                get { return Color.FromArgb(m_Alpha, this.m_RGB); }
            }

            [Browsable(true)]
            [Category("Single Color")]
            [ParenthesizePropertyName(false)]
            [RefreshProperties(RefreshProperties.All)]
            [TypeConverter(typeof(itkPixelTypeConverter))]
            public itk.itkPixel Value
            {
                get { return this.m_Value; }
                set { this.m_Value = value; }
            }            
        }

        public class siLabelInfoRandom : siLabelInfo
        {
            private Byte m_Alpha = 128;

            public siLabelInfoRandom(itk.itkPixelType type)
                : base(type)
            {

            }

            [Browsable(false)]
            public override String Name
            {
                get { return "Random Colors"; }
            }
            
            [Browsable(true)]
            [Category("Random Colors")]
            [ParenthesizePropertyName(false)]
            [RefreshProperties(RefreshProperties.All)]
            public Byte Alpha
            {
                get { return this.m_Alpha; }
                set { this.m_Alpha = value; }
            }
        }
        //=====================================================================
        #endregion

        #region Construction and Disposal
        //=====================================================================
        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="pixelType"></param>
        public siFormAddLabel(IApplication parent, itk.itkPixelType pixelType)
            : base()
        {
            // Init GUI
            InitializeComponent();
            this.Resize += new EventHandler(siFormAddLabel_Resize);

            // Set member variables
            this.m_PixelType = pixelType;

            // Setup LabelInfo
            this.comboType.Items.Add(new siLabelInfoSingle(this.PixelType));
            this.comboType.Items.Add(new siLabelInfoRandom(this.PixelType));
            this.comboType.SelectedIndex = 0;
            this.comboType.SelectedIndexChanged += new EventHandler(comboType_SelectedIndexChanged);
            this.m_LabelInfo = this.comboType.Items[0] as siLabelInfo;
            this.propertyGrid.SelectedObject = this.m_LabelInfo;
        }       
        //=====================================================================
        #endregion

        #region Properties
        //=====================================================================
        
        #region PixelType
        //=====================================================================
        private itk.itkPixelType m_PixelType;

        public itk.itkPixelType PixelType
        {
            get { return this.m_PixelType; }
        }
        //=====================================================================
        #endregion

        #region LabelInfo
        //=====================================================================
        private siLabelInfo m_LabelInfo;

        public siLabelInfo LabelInfo
        {
            get { return this.m_LabelInfo; }
        }
        //=====================================================================
        #endregion

        //=====================================================================
        #endregion

        #region Private Methods
        //=====================================================================
        void siFormAddLabel_Resize(object sender, EventArgs e)
        {
            this.comboType.Refresh();
        }  
      
        private void comboType_SelectedIndexChanged(object sender, EventArgs e)
        {
            this.m_LabelInfo = this.comboType.SelectedItem as siLabelInfo;
            this.propertyGrid.SelectedObject = this.m_LabelInfo;
        }
        //=====================================================================
        #endregion
    }
}