protected override void Draw()
{
if (!SelectedPatch.x0.HasValue || !SelectedPatch.y0.HasValue)
{
return;
}
Rectangle crop;
var mask = _map.GetMask(SelectedPatch.x0.Value, SelectedPatch.y0.Value, out crop, GetPatchScale());
mask = mask.Canny(new Gray(149), new Gray(255)).Dilate(5);
// draw the mask on the image
DisplayedImage.ROI = crop;
for (int i = 0; i < mask.Rows; i++)
{
for (int j = 0; j < mask.Cols; j++)
{
if ((float)mask[i, j].Intensity > 0)
{
DisplayedImage.Data[crop.Top + i, crop.Left + j, 0] = 255;
DisplayedImage.Data[crop.Top + i, crop.Left + j, 1] = 255;
DisplayedImage.Data[crop.Top + i, crop.Left + j, 2] = 0;
//new Rgb(Color.Yellow);
}
}
}
DisplayedImage.ROI = Rectangle.Empty;
DisplayedImage.Draw(crop, new Rgb(Color.Wheat), 1);
// draw markers
DrawMarker(SelectedPatch.x0.Value, SelectedPatch.y0.Value, new Rgb(Color.DodgerBlue));
DrawCenterMarker();
}