/*
public void DetectInPixels32Async(Action<Face[]> callback, Color32[] data, int width, int height, CGImageOrientation imageOrientation = CGImageOrientation.Default) {
if (_opQueue == null)
_opQueue = new NSOperationQueue();
var cgimage = CGImage.FromPixels32(data, width, height, preprocessImageScale);
data = null;
_opQueue.AddOperation(delegate() {
var ciimage = new CIImage(cgimage);
cgimage = null;
Face[] faces = DetectInImage(ciimage, imageOrientation);
ciimage = null;
CoreXT.RunOnMainThread(delegate() {
callback(faces);
faces = null;
});
});
}
*/
/// <summary>
/// Detects the in image.
/// </summary>
/// <returns>The in image.</returns>
/// <param name="ciimage">Ciimage.</param>
/// <param name="imageOrientation">Image orientation.</param>
public Face[] DetectInImage(CIImage ciimage, CGImageOrientation imageOrientation = CGImageOrientation.Default)
{
var rect = ciimage.Extent();
int imageHeight = (int)rect.height;
int imageWidth = (int)rect.width;
_finalScale = projectedScale / preprocessImageScale;
// options
_imageOpts[CIDetector.ImageOrientation] = (int)imageOrientation;
_imageOpts[CIDetector.Smile] = detectSmiles;
_imageOpts[CIDetector.EyeBlink] = detectBlinks;
// detect
var features = _detector.FeaturesInImage(ciimage, _imageOpts);
// go through features and transform coords
var faces = new Face[features.Length];
for (int i=0; i<features.Length; i++) {
var feature = features[i] as CIFaceFeature;
var face = new Face();
face.bounds = _FixRect(feature.bounds, imageHeight, imageWidth, imageOrientation);
if (feature.hasMouthPosition) {
face.hasMouthPosition = true;
face.mouthPosition = _FixPoint(feature.mouthPosition, imageHeight, imageWidth, imageOrientation);
}
if (feature.hasLeftEyePosition) {
face.hasLeftEyePosition = true;
face.leftEyePosition = _FixPoint(feature.leftEyePosition, imageHeight, imageWidth, imageOrientation);
}
if (feature.hasRightEyePosition) {
face.hasRightEyePosition = true;
face.rightEyePosition = _FixPoint(feature.rightEyePosition, imageHeight, imageWidth, imageOrientation);
}
if (feature.RespondsToSelector("trackingID")) {
if (feature.hasTrackingID) {
face.hasTrackingID = true;
face.trackingID = feature.trackingID;
}
if (feature.hasTrackingFrameCount) {
face.hasTrackingFrameCount = true;
face.trackingFrameCount = feature.trackingFrameCount;
}
}
if (feature.RespondsToSelector("faceAngle")) {
if (feature.hasFaceAngle) {
face.hasFaceAngle = true;
face.faceAngle = feature.faceAngle;
}
face.hasSmile = feature.hasSmile;
face.leftEyeClosed = feature.leftEyeClosed;
face.rightEyeClosed = feature.rightEyeClosed;
}
faces[i] = face;
}
return faces;
}
/// <summary>
/// Detects the in image.
/// </summary>
/// <returns>The in image.</returns>
/// <param name="ciimage">Ciimage.</param>
/// <param name="imageOrientation">Image orientation.</param>
public Face[] DetectInImage(CIImage ciimage, CGImageOrientation imageOrientation = CGImageOrientation.Default)
{
var rect = ciimage.Extent();
int imageHeight = (int)(rect.height * PreprocessImageScale);
int imageWidth = (int)(rect.width * PreprocessImageScale);
_finalScale = ProjectedScale / PreprocessImageScale;
// create CIImage from bitmapdata
// var ciimage:CIImage = CIImage.fromBitmapData(image, preprocessImageScale); //TODO
// var ciimage = new CIImage(CGImage.FromTexture2D(image));
// orientation settings
_imageOpts[CIDetector.ImageOrientation] = (int)imageOrientation;
// detect
var features = _detector.FeaturesInImage(ciimage, _imageOpts);
// go through features and transform coords
var faces = new Face[features.Length];
for (int i=0; i<features.Length; i++) {
var feature = features[i] as CIFaceFeature;
var face = new Face();
face.bounds = _FixRect(feature.bounds, imageHeight, imageWidth, imageOrientation);
if (feature.hasMouthPosition) {
face.hasMouthPosition = true;
face.mouthPosition = _FixPoint(feature.mouthPosition, imageHeight, imageWidth, imageOrientation);
}
if (feature.hasLeftEyePosition) {
face.hasLeftEyePosition = true;
face.leftEyePosition = _FixPoint(feature.leftEyePosition, imageHeight, imageWidth, imageOrientation);
}
if (feature.hasRightEyePosition) {
face.hasRightEyePosition = true;
face.rightEyePosition = _FixPoint(feature.rightEyePosition, imageHeight, imageWidth, imageOrientation);
}
if (feature.RespondsToSelector("trackingID")) {
if (feature.hasTrackingID) {
face.hasTrackingID = true;
face.trackingID = feature.trackingID;
}
if (feature.hasTrackingFrameCount) {
face.hasTrackingFrameCount = true;
face.trackingFrameCount = feature.trackingFrameCount;
}
}
faces[i] = face;
}
return faces;
}
