async void BackgoundListen(ThreadPoolTimer timer)
{
try
{
using (var response = await client.GetAsync("image/800"))
{
string data = await response.Content.ReadAsStringAsync();
var shelfImage = JsonConvert.DeserializeObject <ModelResponse>(data);
byte[] img = Convert.FromBase64String(shelfImage.img);
var recogRects =
shelfImage.bboxes
.Select(bb => new AbsoluteBoundingRect
{
Y = bb[0],
X = bb[1],
W = bb[3] - bb[1],
H = bb[2] - bb[0]
}).ToList();
// firing from non-UI thread
GapDetectionEvent?.Invoke(img, recogRects);
}
}
catch (Exception e)
{
Debug.WriteLine($"{e.Message}");
}
}
private void FireGapDetectionAndCleanup(byte[] image, List <AbsoluteBoundingRect> recogRects)
{
// Cleanup!
allRecognitions = default(ILookup <string, RecognitionMessage>);
allUploads.Clear();
// and finally fire!
GapDetectionEvent?.Invoke(image, recogRects);
}
