public CacheItem GetItem(int index)
{
CacheItem cacheItem = null;
_imageManager.UseImage(
index,
(image, imageName) =>
{
var bitmapImage = CacheFactory.GetBitmapImage(image);
cacheItem = new CacheItem(index, bitmapImage, imageName);
});
return cacheItem;
}
/// <summary>
/// Adds the bitmap image at the specified index into the cache.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="image">The bitmap source image</param>
private CacheItem Add(int index, BitmapSource image, string imageName)
{
CacheItem cacheItem = null;
if (_cache.ContainsKey(index))
{
cacheItem = _cache[index];
}
else
{
cacheItem = new CacheItem(index, image, imageName);
_cache.TryAdd(index, cacheItem);
}
return cacheItem;
}