using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Imaging;

namespace Magazyn.Tools
{
    class CacheImage
    {
        static Dictionary<Uri, BitmapImage> dic = new Dictionary<Uri, BitmapImage>();

        static public BitmapImage GetImageSource( Uri url )
        {
            if (dic.Keys.Contains<Uri>(url)) return dic[url];
            else
            {
                BitmapImage imageSource = new BitmapImage();
                imageSource.BeginInit();
                imageSource.UriSource = url;
                imageSource.CacheOption = BitmapCacheOption.OnLoad;
                imageSource.EndInit();
                dic.Add(url, imageSource);
                return imageSource;
            }
        }
    }
}