public static FaceAnalysisResult MapToDomain(this Microsoft.ProjectOxford.Face.Contract.Face[] faces)
{
var domainEntity = new FaceAnalysisResult()
{
Faces = faces.Select(MapToDomain).ToList(),
};
return(domainEntity);
}
public async Task <FaceAnalysisResult> AnalyzeFacesFromLocalFileAsync(string localFilePath)
{
var analysisResult = new FaceAnalysisResult();
// Call the Face API.
try
{
Console.WriteLine("\t\t\tContentAnalyzer.AnalyzeFacesFromLocalFileAsync(): initializing FaceAPI client");
IFaceServiceClient faceServiceClient = new FaceServiceClient(m_FaceAPISubscriptionKey, "https://westeurope.api.cognitive.microsoft.com/face/v1.0");
Console.WriteLine("\t\t\tContentAnalyzer.AnalyzeFacesFromLocalFileAsync(): starting analysis");
using (Stream imageFileStream = File.OpenRead(localFilePath))
{
// The list of Face attributes to return.
IEnumerable <FaceAttributeType> faceAttributes = new FaceAttributeType[] { FaceAttributeType.Gender, FaceAttributeType.Age, FaceAttributeType.Smile, FaceAttributeType.Emotion, FaceAttributeType.Glasses, FaceAttributeType.FacialHair, FaceAttributeType.HeadPose };
var faces = await faceServiceClient.DetectAsync(imageFileStream, returnFaceId : true, returnFaceLandmarks : false, returnFaceAttributes : faceAttributes);
Console.WriteLine($"\t\t\tContentAnalyzer.AnalyzeFacesFromLocalFileAsync(): analysis completed. Detected {faces.Length} face(s)");
// Mapping FaceAPI Client entity to domain entity
analysisResult = faces.MapToDomain();
}
}
// Catch and display Face API errors.
catch (FaceAPIException fex)
{
Console.WriteLine($"\t\t\tContentAnalyzer.AnalyzeFacesFromLocalFileAsync(): an error occured while analyzing picture - {fex.Message}");
}
// Catch and display all other errors.
catch (Exception ex)
{
Console.WriteLine($"\t\t\tContentAnalyzer.AnalyzeFacesFromLocalFileAsync(): a generic error occured while analyzing picture - {ex.Message}");
}
return(analysisResult);
}
