using System;
using System.Drawing;
using System.Drawing.Imaging;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.Analysis.FitnessLandscape.BoxCharts {

  [StorableClass]
  public class BitmapItem : Item {

    [Storable]
    private Bitmap image;

    public Bitmap Image {
      get { return image; }
      set {
        if (value == image)
          return;
        image = value;
        OnImageChanged();
      }
    }

    public event EventHandler ImageChanged;

    protected virtual void OnImageChanged() {
      EventHandler handler = ImageChanged;
      if (handler != null)
        handler(this, EventArgs.Empty);
    }

    [StorableConstructor]
    protected BitmapItem(bool deserializing) : base(deserializing) { }
    protected BitmapItem(BitmapItem original, Cloner cloner) : base(original, cloner) {
      Image = (Bitmap)original.Image.Clone();
    }

    public BitmapItem(Bitmap image) {
      Image = image;
    }

    public override IDeepCloneable Clone(Cloner cloner) {
      return new BitmapItem(this, cloner);
    }

    public virtual void Save(string filename) {
      if (image == null)
        return;
      var format = ImageFormat.Png;
      if (filename.Length >=3) {
        switch(filename.Substring(filename.Length-4, 3).ToLower()) {
          case "jpg": format = ImageFormat.Jpeg; break;
          case "emf": format = ImageFormat.Emf; break;
          case "gif": format = ImageFormat.Gif; break;
          case "tif": format = ImageFormat.Tiff; break;
          default: format = ImageFormat.Png; break;
        }
      }
      image.Save(filename, format);
    }

  }
}