source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Common/Palettes/PaletteBase.cs @ 12503

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Media;

namespace Microsoft.Research.DynamicDataDisplay.Common.Palettes
{
  /// <summary>
  /// Represents a simple base class for a palette. Contains an abstract merhod for creation of color and method to raise changed event.
  /// </summary>
  public abstract class PaletteBase : IPalette
  {
    #region IPalette Members

    /// <summary>
    /// Gets the color by interpolation coefficient.
    /// </summary>
    /// <param name="t">Interpolation coefficient, should belong to [0..1].</param>
    /// <returns>Color.</returns>
    public abstract Color GetColor(double t);

    protected void RaiseChanged()
    {
      Changed.Raise(this);
    }

    /// <summary>
    /// Occurs when palette changes.
    /// </summary>
    public event EventHandler Changed;

    #endregion
  }
}