public static CIDetector CreateFaceDetector (CIContext context, FaceDetectorAccuracy? accuracy = null, float? minFeatureSize = null, bool? trackingEnabled = null) { List<NSObject> keys = new List<NSObject> (3); List<NSObject> values = new List<NSObject> (3); if (accuracy != null) { keys.Add (Accuracy); values.Add (accuracy == FaceDetectorAccuracy.High ? AccuracyHigh : AccuracyLow); } // MinFeatureSize exists only in iOS6+, before this the field is null (and would throw if used) if (MinFeatureSize != null && minFeatureSize != null) { keys.Add (MinFeatureSize); values.Add (new NSNumber (minFeatureSize.Value)); } // Tracking exists only in iOS6+, before this the field is null (and would throw if used) if (Tracking != null && trackingEnabled != null) { keys.Add (Tracking); values.Add (NSObject.FromObject (true)); } using (var options = NSDictionary.FromObjectsAndKeys (values.ToArray (), keys.ToArray ())) return FromType (TypeFace, context, options); }
public static CIDetector CreateFaceDetector (CIContext context, bool highAccuracy) { // TypeFace is the only detector supported now using (var options = NSDictionary.FromObjectsAndKeys (new NSObject [] { highAccuracy ? AccuracyHigh : AccuracyLow }, new NSObject [] { Accuracy })) return FromType (TypeFace, context, options); }
public static CIDetector CreateFaceDetector (CIContext context, bool highAccuracy, float minFeatureSize) { // MinFeatureSize exists only in iOS6+, before this the field is null (and would throw if used) if (MinFeatureSize == null) return CreateFaceDetector (context, highAccuracy); // TypeFace is the only detector supported now using (var options = NSDictionary.FromObjectsAndKeys (new NSObject [] { highAccuracy ? AccuracyHigh : AccuracyLow, new NSNumber (minFeatureSize) }, new NSObject [] { Accuracy, MinFeatureSize, })) return FromType (TypeFace, context, options); }
public static CIDetector CreateFaceDetector(CIContext context, FaceDetectorAccuracy? accuracy = null, float? minFeatureSize = null, bool? trackingEnabled = null) { List<NSObject> keys = new List<NSObject> (3); List<NSObject> values = new List<NSObject> (3); if (accuracy != null) { keys.Add (Accuracy); values.Add (accuracy == FaceDetectorAccuracy.High ? AccuracyHigh : AccuracyLow); } if (minFeatureSize != null) { keys.Add (MinFeatureSize); values.Add (new NSNumber (minFeatureSize.Value)); } if (trackingEnabled != null) { keys.Add (Tracking); values.Add (NSObject.FromObject (true)); } using (var options = NSDictionary.FromObjectsAndKeys (values.ToArray (), keys.ToArray ())) return FromType (TypeFace, context, options); }
private void InitializeImagingContext() { #if MONOTOUCH if (ciContext == null) ciContext = CIContext.FromOptions(null); #else if (ciContext == null) ciContext = CIContext.FromContext (context); #endif }