TextFilterViewModel AddFilter(ICollection <TextFilterViewModel> filters, object entity, object key, ImageInsightsViewModel parent, ImageSource imageSource = null, Rect?imageCrop = null)
{
var filter = filters.FirstOrDefault(i => i.Key.Equals(key));
if (filter == null)
{
//construct filter
if (imageSource == null)
{
filter = new TextFilterViewModel()
{
Entity = entity, Key = key
};
}
else
{
filter = new ImageFilterViewModel()
{
Entity = entity, Key = key, ImageSource = imageSource, ImageCrop = imageCrop ?? new Rect()
};
}
filters.Add(filter);
}
if (!filter.Parents.Contains(parent))
{
filter.AddParent(parent);
}
return(filter);
}
public async Task AddImage(ImageInsights insights)
{
// Load image from file
BitmapImage bitmapImage = new BitmapImage();
if (insights.ImageUri.IsFile)
{
await bitmapImage.SetSourceAsync((await(await StorageFile.GetFileFromPathAsync(insights.ImageUri.AbsoluteUri)).OpenStreamForReadAsync()).AsRandomAccessStream());
}
else
{
bitmapImage.UriSource = insights.ImageUri;
}
//load smaller image - for performace
bitmapImage.DecodePixelHeight = 270;
// Create the view models
ImageInsightsViewModel insightsViewModel = new ImageInsightsViewModel()
{
Insights = insights, ImageSource = bitmapImage
};
//tags
foreach (var entity in insights.VisionInsights?.Tags ?? Array.Empty <string>())
{
AddFilter(TagFilters, entity, entity, insightsViewModel);
}
//faces
foreach (var entity in insights.FaceInsights ?? Array.Empty <FaceInsights>())
{
var key = entity.UniqueFaceId == Guid.Empty ? Guid.NewGuid() : entity.UniqueFaceId;
var imageScale = bitmapImage.PixelHeight < bitmapImage.DecodePixelHeight ? 1d : (double)bitmapImage.DecodePixelHeight / (double)bitmapImage.PixelHeight;
var filter = AddFilter(FaceFilters, entity, key, insightsViewModel, bitmapImage, entity.FaceRectangle.ToRect().Scale(imageScale).Inflate(2));
//rescale face rect if image has been rescaled
if (filter.Count == 1 && bitmapImage.PixelHeight == 0)
{
bitmapImage.ImageOpened += (sender, e) =>
{
var bitmap = sender as BitmapImage;
if (bitmap.DecodePixelHeight != 0 && bitmap.DecodePixelHeight < bitmap.PixelHeight)
{
var imageFilter = filter as ImageFilterViewModel;
imageFilter.ImageCrop = entity.FaceRectangle.ToRect().Scale((double)bitmap.DecodePixelHeight / (double)bitmap.PixelHeight).Inflate(2);
}
};
}
}
//emotions
insightsViewModel.Emotions = insights.FaceInsights?.Select(i => Util.EmotionToRankedList(i.FaceAttributes.Emotion).First().Key).Distinct().ToArray() ?? Array.Empty <string>();
foreach (var entity in insightsViewModel.Emotions)
{
AddFilter(EmotionFilters, entity, entity, insightsViewModel);
}
//objects
foreach (var entity in insights.VisionInsights?.Objects ?? Array.Empty <string>())
{
AddFilter(ObjectFilters, entity, entity, insightsViewModel);
}
//landmarks
foreach (var entity in insights.VisionInsights?.Landmarks ?? Array.Empty <string>())
{
AddFilter(LandmarkFilters, entity, entity, insightsViewModel);
}
//celebrities
foreach (var entity in insights.VisionInsights?.Celebrities ?? Array.Empty <string>())
{
AddFilter(CelebrityFilters, entity, entity, insightsViewModel);
}
//brands
foreach (var entity in insights.VisionInsights?.Brands ?? Array.Empty <string>())
{
AddFilter(BrandFilters, entity, entity, insightsViewModel);
}
//moderation
insightsViewModel.Moderation = GetAdultFlags(insights.VisionInsights?.Adult).ToArray();
foreach (var entity in insightsViewModel.Moderation)
{
AddFilter(ModerationFilters, entity, entity, insightsViewModel);
insightsViewModel.BlurImage = true; //set blur flag
}
//words
foreach (var entity in insights.VisionInsights?.Words ?? Array.Empty <string>())
{
AddFilter(WordFilters, entity, entity, insightsViewModel);
}
//color
insightsViewModel.Color = GetColorFlags(insights.VisionInsights?.Color).ToArray();
foreach (var entity in insightsViewModel.Color)
{
AddFilter(ColorFilters, entity, entity, insightsViewModel);
}
//orientation
insightsViewModel.Orientation = GetOrientation(insights.VisionInsights?.Metadata);
if (insightsViewModel.Orientation != null)
{
AddFilter(OrientationFilters, insightsViewModel.Orientation, insightsViewModel.Orientation, insightsViewModel);
}
//image type
insightsViewModel.ImageType = GetImageTypeFlags(insights.VisionInsights?.ImageType).ToArray();
foreach (var entity in insightsViewModel.ImageType)
{
AddFilter(ImageTypeFilters, entity, entity, insightsViewModel);
}
//size
insightsViewModel.Size = GetSize(insights.VisionInsights?.Metadata);
if (insightsViewModel.Size != null)
{
AddFilter(SizeFilters, insightsViewModel.Size, insightsViewModel.Size, insightsViewModel);
}
//People
insightsViewModel.People = GetPeopleFlags(insights.VisionInsights?.Objects, insights.FaceInsights).ToArray();
foreach (var entity in insightsViewModel.People)
{
AddFilter(PeopleFilters, entity, entity, insightsViewModel);
}
//face attributes
insightsViewModel.FaceAttributes = GetFaceAttributesFlags(insights.FaceInsights).ToArray();
foreach (var entity in insightsViewModel.FaceAttributes)
{
AddFilter(FaceAttributesFilters, entity, entity, insightsViewModel);
}
//face qualtity
insightsViewModel.FaceQualtity = GetFaceQualityFlags(insights.FaceInsights).ToArray();
foreach (var entity in insightsViewModel.FaceQualtity)
{
AddFilter(FaceQualityFilters, entity, entity, insightsViewModel);
}
//Custom Vision tags
insightsViewModel.CustomVisionTags = GetCustomVisionTags(insights.CustomVisionInsights).ToArray();
foreach (var entity in insightsViewModel.CustomVisionTags)
{
AddFilter(CustomVisionTagFilters, entity, entity, insightsViewModel);
}
//Custom Vision objects
insightsViewModel.CustomVisionObjects = GetCustomVisionObjects(insights.CustomVisionInsights).ToArray();
foreach (var entity in insightsViewModel.CustomVisionObjects)
{
AddFilter(CustomVisionObjectFilters, entity, entity, insightsViewModel);
}
if (SettingsHelper.Instance.ShowAgeAndGender) //only if age and gender is allowed
{
//Age
insightsViewModel.Age = GetAgeFlags(insights.FaceInsights).ToArray();
foreach (var entity in insightsViewModel.Age)
{
AddFilter(AgeFilters, entity, entity, insightsViewModel);
}
//Gender
insightsViewModel.Gender = GetGenderFlags(insights.FaceInsights).ToArray();
foreach (var entity in insightsViewModel.Gender)
{
AddFilter(GenderFilters, entity, entity, insightsViewModel);
}
}
//add viewmodel to collection
_allResults.Add(insightsViewModel);
FilteredResults.Add(insightsViewModel);
}