/// <inheritdoc />
/// <exception cref="ArgumentNullException">
/// <paramref name="source"/> is <b>null</b>.
/// </exception>
public PointsOfInterestFeatures BuildFeatures(ImageSource source, CancellationToken cancellationToken)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
Image image = ImagePreprocessing.Process(source.Image, this.ImagePreprocessingOptions, 8);
image = image
////.Scale(null, 100.0 / image.HorizontalResolution, 100.0 / image.VerticalResolution, ScalingOptions.None)
////.Binarize()
.Convert8To1(null, 128)
.CleanOverscan(0.5f, 0.5f)
.Deskew(null)
.Despeckle(null);
ISet <ConnectedComponent> components = image.FindConnectedComponents(8);
image.RemoveConnectedComponents(components.Where(x => x.Power <= 16));
image = image
.CropBlackArea(0, 0)
////.Dilate(null, StructuringElement.Square(3), 1, BorderType.BorderConst, image.WhiteColor)
////.CropBlackArea(0, 0)
.Convert1To8(null)
.Erode(null, StructuringElement.Square(2), 1, BorderType.BorderRepl, 0)
.ScaleByDownsampling2(null)
.FilterLowpass(null, 3, BorderType.BorderRepl, 0);
FeatureDetectors.Features features = this.detector.Detect(image, cancellationToken);
return(new PointsOfInterestFeatures(source.Id, features));
}
private async void OnTouchEffectAction(object sender, TouchActionEventArgs args)
{
if (!App.IsWorks)
{
App.IsWorks = true;
var viewPoint = args.Location;
SKPoint point =
new SKPoint((float)(canvasView.CanvasSize.Width * viewPoint.X / canvasView.Width),
(float)(canvasView.CanvasSize.Height * viewPoint.Y / canvasView.Height));
var actionType = args.Type;
_touchGestureRecognizer.ProcessTouchEvent(args.Id, actionType, point);
ICommanderReceivedData commanderReceivedData = new ImageStored();
RequestClass requestClass = RequestClass.Instance(commanderReceivedData);
ImageData image = new ImageData();
image.CoordinateXY = new int[] { (int)point.X, (int)point.Y };
image.Base64 = Convert.ToBase64String(targetImageByte);
image.Id = 1;
image = requestClass.SendAndTakeImage(image);
if (image.Base64 != null)
{
targetImageByte = Convert.FromBase64String(image.Base64);
imgCam.Source = ImagePreprocessing.GetImageSourceFromByteArray(targetImageByte);
// App.IsWorks = false;
}
else
{
IsBusy = false;
// App.IsWorks = false;
}
CurrentReport.Instance.Date = DateTime.UtcNow;
// CurrentReport.Instance.ThermoImagePath = "icon_about.png";
CurrentReport.Instance.Length = Math.Round(double.Parse(image.Matlab.Height), 2);
CurrentReport.Instance.Width = Math.Round(double.Parse(image.Matlab.Width), 2);
CurrentReport.Instance.Surface = Math.Round(double.Parse(image.Matlab.Arena), 2);
CurrentReport.Instance.GranulationTissuePercentage = Math.Round(double.Parse(image.Matlab.MatrixC1), 2);
CurrentReport.Instance.SludgePercentage = Math.Round(double.Parse(image.Matlab.MatrixC2), 2);
CurrentReport.Instance.NecrosisPercentage = Math.Round(double.Parse(image.Matlab.MatrixC3), 2);
//CurrentReport.Instance.WoundBaseTemperature = 0;
// CurrentReport.Instance.SurroundingsTemperature = 0;
var secondPage = new NewItemPage();
await Navigation.PushAsync(secondPage);
}
}
/// <summary>
/// Fill Image Filter Properties from Rendering Data source, if is present
/// </summary>
/// <param name="model">Image Filter Component model</param>
private void FillImageFilterProperties(ImageFilterComponentModel model)
{
if (string.IsNullOrEmpty(model?.Rendering?.DataSource))
{
return;
}
var item = Sitecore.Context.Database.GetItem(new Sitecore.Data.ID(model.Rendering.DataSource));
model.HasImageCaption = !string.IsNullOrEmpty(item.Fields["HasImageCaption"]?.Value) && int.Parse(item.Fields["HasImageCaption"].Value) == 1;
model.HasImageDescription = !string.IsNullOrEmpty(item.Fields["HasImageDescription"]?.Value) && int.Parse(item.Fields["HasImageDescription"].Value) == 1;
var imageValue = item.Fields["Image"].Value;
var firstLeft = imageValue.IndexOf("{", StringComparison.InvariantCultureIgnoreCase);
var firstRight = imageValue.IndexOf("}", StringComparison.InvariantCultureIgnoreCase);
model.Id = new Sitecore.Data.ID(imageValue.Substring(firstLeft, firstRight - firstLeft + 1));
var itemImage = Sitecore.Context.Database.GetItem(model.Id);
var mediaItem = new Sitecore.Data.Items.MediaItem(itemImage);
var image = new System.Drawing.Bitmap(mediaItem.GetMediaStream());
// Save original image as base 64 string
model.OriginalImage = $"data:image/png;base64,{Convert.ToBase64String(ImagePreprocessing.ConvertImageToArray(image))}";
model.Filter = item.Fields["Filter"].Value;
model.Angle = string.IsNullOrEmpty(item.Fields["Angle"].Value) ? 0 : int.Parse(item.Fields["Angle"].Value);
model.Height = string.IsNullOrEmpty(item.Fields["Height"].Value) ? image.Width : int.Parse(item.Fields["Height"].Value);
model.Width = string.IsNullOrEmpty(item.Fields["Width"].Value) ? image.Height : int.Parse(item.Fields["Width"].Value);
// Set the image filter parameters and process the image
var filterParameters = new ImageFilterParameters
{
Image = image,
Filter = (EnumImageFilter)Enum.Parse(typeof(EnumImageFilter), model.Filter),
Angle = model.Angle,
Height = model.Height,
Width = model.Width
};
var filterImage = ImagePreprocessing.ApplyFilter(filterParameters);
// Save filtered image as base 64 string
model.FilterImage = $"data:image/png;base64,{Convert.ToBase64String(ImagePreprocessing.ConvertImageToArray(filterImage))}";
}
private async void BtnCam_Clicked(object sender, EventArgs e)
{
try
{
App.IsWorks = false;
var photo = await CrossMedia.Current.TakePhotoAsync(new StoreCameraMediaOptions()
{
DefaultCamera = Plugin.Media.Abstractions.CameraDevice.Rear,
Directory = "Xamarin",
SaveToAlbum = true
});
if (photo != null)
{
this.Title = "Choose a central point of a wound";
targetImageByte = ImagePreprocessing.GetByteArrayFromStream(photo.GetStream());
var imagesource = ImagePreprocessing.GetImageSourceFromByteArray(targetImageByte);
CurrentReport.Instance.StandardImagePath = photo.AlbumPath;
imgCam.Source = imagesource;
// System.Drawing.Bitmap bitmap = ImagePreprocessing.GetBitmapFromImageSource(ImagePreprocessing.GetImageSourceFromByteArray(TargetImageByte));
// Mat
// ImagePreprocessing.GetImage(TargetImageByte);
// Image<Gray, byte> grayFrame = new Image<Gray, byte>(ImagePreprocessing.GetImageSourceFromByteArray(TargetImageByte).ToString());
// imgCam.Source = ImagePreprocessing.GetImageSourceFromByteArray(TargetImageByte);
// Accord.Imaging.Image.SetGrayscalePalette(bitmap);
//var a = ImagePreprocessing.GetBitmapFromStream(photo.GetStream());
// using (var stream = new MemoryStream())
// {
// // bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
//// imgCam.Source = ImageSource.FromStream(() => stream);
// }
}
// byte[] imageArray = System.IO.File.ReadAllBytes(photo.Path);
// System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(imgCam.Source); // Android.Graphics.BitmapFactory.DecodeByteArray(imageArray,0 ,imageArray.Length).to;
}
catch (Exception ex)
{
await DisplayAlert("Error", ex.Message.ToString(), "Ok");
}
}
