private void OnDetect(object sender, RoutedEventArgs e)
{
DebugView.Children.Clear();
BitmapSource src = ImageContent.Source as BitmapSource;
if (src != null)
{
float min = float.Parse(Min.Text);
float max = float.Parse(Max.Text);
int minEdgeLength = int.Parse(EdgeLength.Text);
DetectButton.IsEnabled = false;
CannyEdgeDetector canny = new CannyEdgeDetector(src, max, min, minEdgeLength);
canny.EdgeDetected += OnEdgeDetected;
Task.Run(new Action(() =>
{
canny.DetectEdges();
canny.EdgeDetected -= OnEdgeDetected;
Dispatcher.BeginInvoke(new Action(() =>
{
DetectButton.IsEnabled = true;
}));
}));
//ShowImage(canny.ToImage<int>(canny.FilteredImage), "Filtered");
//ShowImage(canny.ToImage<float>(canny.DerivativeX), "DerivativeX");
//ShowImage(canny.ToImage<float>(canny.NonMax), "NonMax");
//ShowImage(canny.ToImage<float>(canny.Gradient), "Gradient");
//ShowImage(canny.ToImage<int>(canny.HorizontalEdges), "HorizontalEdges");
//ShowImage(canny.ToImage<int>(canny.VerticalEdges), "VerticalEdges");
//ShowImage(canny.ToImage<int>(canny.EdgeMap), "EdgeMap");
}
}
private void AutoCrop(AttachmentDialogImageItem img)
{
CannyEdgeDetector edgeDetector = new CannyEdgeDetector(img.Bitmap, 20, 80, 30);
edgeDetector.DetectEdges();
Rect bounds = edgeDetector.EdgeBounds;
AddResizer(img, bounds);
SetDirty();
}