public async void GetImageAsync(ImageListModel item)
{
try
{
item.ImageLoadState = EnumLoadState.Loading;
if (!string.IsNullOrEmpty(item.CacheName))
{
if (!await ImageCache.HasCache(item.CacheName))
{
var imgStream = await Site.DownloadImage(item.ImageUrl, item.IsCance.Token);
if (imgStream != null)
{
await ImageCache.CreateCache(item.CacheName, imgStream);
}
}
BitmapImage img = await ImageCache.HasCache(item.CacheName) ? await ImageCache.GetImage(item.CacheName) : ImageCache.ErrorImage;
if (img == null)
{
item.Image = ImageCache.ErrorImage;
}
item.Image = img;
item.ImageLoadState = EnumLoadState.Loaded;
item.OnLoaded();
}
}
catch (Exception ex)
{ }
}
/// <summary>
/// Renders a photo detail comparison as defined by the grouping filter
/// </summary>
/// <param name="f">The grouping/filter</param>
/// <returns>
/// the result of the rendering (eg. an <see cref="Image"/>
/// </returns>
public object Render(GroupFilter f)
{
// max size of any matching tile
TileSize = f.GetMaxOutputTileSize();
using (var ic = ImageCache.CreateCache())
{
MainWindow.Instance.ScaleProgress("rendering", f.TotalTiles);
TextHeight = CalcTextHeight() + (2 * Padding);
var table = RenderGroup(f, f.Input);
MainWindow.Instance.ClearProgress();
return(table);
}
}
