public async Task RetrieveImage()
{
if (retrievingImage)
{
return;
}
retrievingImage = true;
try
{
HttpHelper.TryGetImage(URL, out img);
UpdatePreview();
ImageUpdated?.Invoke(this);
retrievingImage = false;
}
catch
{
ImageScraper.TryGetImage(URL, (bmp) =>
{
if (bmp == null)
{
return;
}
img = bmp;
UpdatePreview();
ImageUpdated?.Invoke(this);
retrievingImage = false;
});
}
}
private async Task Scrap(int index)
{
SetStatus("Scraping Images...");
Size minSize = new Size(Settings.Default.MinWidth, Settings.Default.MinHeight);
ImageScraper.GetImageURLs(urls[index].URL, async(imgUrl, size) =>
{
if (imgUrl == null)
{
SetStatus("Idle");
return;
}
if ((size.Width > 0 && size.Width < minSize.Width) || (size.Height > 0 && size.Height < minSize.Height))
{
return;
}
ImageWrapper iw;
if (!Cache.Lookup(imgUrl, out iw))
{
iw = new ImageWrapper(imgUrl);
iw.RecommendationMade += recMade;
Cache.Stash(imgUrl, iw);
}
await iw.RetrieveLabels();
await iw.RetrieveMatches();
urls[index].AddChild(iw);
});
}
public static async Task GetSimilar(string[] labels, Action <string, Size> callback)
{
string urlQuery = HttpUtility.UrlEncode(String.Join(" ", labels));
string url = String.Format(Settings.Default.LookupQuery, urlQuery);
await ImageScraper.GetImageURLs(url, callback);
}
