source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Common/Palettes/HsbPalette.cs @ 13749

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Research.DynamicDataDisplay.Common.Auxiliary;
using System.ComponentModel;
using System.Windows.Media;

namespace Microsoft.Research.DynamicDataDisplay.Common.Palettes
{
  public sealed class HsbPalette : IPalette
  {
    /// <summary>
    /// Initializes a new instance of the <see cref="HsbPalette"/> class.
    /// </summary>
    public HsbPalette() { }

    private double start = 0;
    [DefaultValue(0.0)]
    public double Start
    {
      get { return start; }
      set
      {
        if (start != value)
        {
          start = value;
          Changed.Raise(this);
        }
      }
    }

    private double width = 360;
    [DefaultValue(360.0)]
    public double Width
    {
      get { return width; }
      set
      {
        if (width != value)
        {
          width = value;
          Changed.Raise(this);
        }
      }
    }

    #region IPalette Members

    public Color GetColor(double t)
    {
      Verify.IsTrue(0 <= t && t <= 1);

      return new HsbColor(start + t * width, 1, 1).ToArgbColor();
    }

    public event EventHandler Changed;

    #endregion
  }
}