private void showWheesperViewEventHandler(object o)
{
Debug.WriteLine("ShowWheesperViewEvent handler from ChatController");
if (wheesperView == null)
{
wheesperView = (WheesperView)container.Resolve(typeof(WheesperView));
var viewModel = (ChatViewModel)container.Resolve(typeof(ChatViewModel));
wheesperView.DataContext = viewModel;
}
loadView(wheesperView);
// only now can region manager find region define in wheesperView: region one & regiono two
regionOne = regionManager.Regions[ChatRegionNames.RegionOne];
regionTwo = regionManager.Regions[ChatRegionNames.RegionTwo];
eventAggregator.GetEvent <LoadContactViewEvent>().Publish(0);
if (faceView == null)
{
faceView = (FaceView)container.Resolve(typeof(FaceView));
var viewModel = (ChatViewModel)container.Resolve(typeof(ChatViewModel));
faceView.DataContext = viewModel;
}
Debug.Write("add view to RegionTwo ");
Debug.WriteLine(faceView);
foreach (var v in regionTwo.Views)
{
regionTwo.Remove(v);
Debug.Write("remove view ");
Debug.WriteLine(v);
}
regionTwo.Add(faceView);
regionTwo.Activate(faceView);
}
//private void CaptureImageWithMetadata(AVCaptureStillImageOutput output, AVCaptureConnection connection)
//{
//CIImage ciImage = null;
//NSData imageData = AVCaptureStillImageOutput.JpegStillToNSData(sampleBuffer);
//CIImage image = CIImage.FromData(imageData);
//NSMutableDictionary metadata = image.Properties.Dictionary.MutableCopy() as NSMutableDictionary;
//DispatchQueue.MainQueue.DispatchAsync(delegate
//{
// //UIImage uIImage = image.MakeUIImageFromCIImage();
// //SetImage(uIImage);
// //byte[] imageBuffer = imageData.ToArray();
// //if (imageBuffer != null) {
// // using (var ms = new MemoryStream(imageBuffer)) {
// // var uIImage = UIImage.LoadFromData(NSData.FromStream(ms));
// // this.Add(new UIImageView(uIImage));
// using (ciImage) {
// if (ciImage != null) {
// ivPictureTaken.Image = UIImage.FromImage(ciImage);
// }
// processingFaceDetection = false;
// }
// // }
// //}
//});
//...manipulate metadata here...
//ALAssetsLibrary library = new ALAssetsLibrary();
//library.WriteImageToSavedPhotosAlbum(imageData, metadata, (assetUrl, error) => {
// if (error == null) {
// Console.WriteLine("assetUrl:" + assetUrl);
// }
// else {
// Console.WriteLine(error);
// }
//});
//}
void TouchCallBack(int faceId, FaceView view)
{
lockedFaceID = faceId;
// HACK: Cast double to float
// lockedFaceSize = Math.Max (view.Frame.Size.Width, view.Frame.Size.Height) / device.VideoZoomFactor;
lockedFaceSize = (float)(Math.Max(view.Frame.Size.Width, view.Frame.Size.Height) / device.VideoZoomFactor);
lockTime = CATransition.CurrentMediaTime();
UIView.BeginAnimations(null, IntPtr.Zero);
UIView.SetAnimationDuration(0.3f);
view.Layer.BorderColor = UIColor.Red.CGColor;
foreach (var face in faceViews.Values)
{
if (face != view)
{
face.Alpha = 0;
}
}
UIView.CommitAnimations();
beepEffect.Seek(CMTime.Zero);
beepEffect.Play();
}
public async void DidOutputMetadataObjects(AVCaptureMetadataOutput captureOutput, AVMetadataObject[] faces, AVCaptureConnection connection)
{
Console.WriteLine("Got metadata");
try {
List <int> unseen = faceViews.Keys.ToList();
List <int> seen = new List <int>();
CATransaction.Flush();
CATransaction.Begin();
CATransaction.SetValueForKey(NSObject.FromObject(true), (NSString)(CATransaction.DisableActions.ToString()));
foreach (var face in faces)
{
// HACK: int faceId = (face as AVMetadataFaceObject).FaceID;
int faceId = (int)(face as AVMetadataFaceObject).FaceID;
unseen.Remove(faceId);
seen.Add(faceId);
FaceView view;
if (faceViews.ContainsKey(faceId))
{
view = faceViews[faceId];
}
else
{
view = new FaceView();
view.Layer.CornerRadius = 10;
view.Layer.BorderWidth = 3;
view.Layer.BorderColor = UIColor.Green.CGColor;
previewView.AddSubview(view);
faceViews.Add(faceId, view);
view.Id = faceId;
view.Callback = TouchCallBack;
if (lockedFaceID != null)
{
view.Alpha = 0;
}
}
AVMetadataFaceObject adjusted = (AVMetadataFaceObject)(previewView.Layer as AVCaptureVideoPreviewLayer).GetTransformedMetadataObject(face);
view.Frame = adjusted.Bounds;
}
foreach (int faceId in unseen)
{
FaceView view = faceViews[faceId];
view.RemoveFromSuperview();
faceViews.Remove(faceId);
if (faceId == lockedFaceID)
{
clearLockedFace();
}
}
if (lockedFaceID != null)
{
FaceView view = faceViews[lockedFaceID.GetValueOrDefault()];
// HACK: Cast resulting nfloat to float
// float size = (float)Math.Max (view.Frame.Size.Width, view.Frame.Size.Height) / device.VideoZoomFactor;
float size = (float)(Math.Max(view.Frame.Size.Width, view.Frame.Size.Height) / device.VideoZoomFactor);
float zoomDelta = lockedFaceSize / size;
float lockTime = (float)(CATransition.CurrentMediaTime() - this.lockTime);
float zoomRate = (float)(Math.Log(zoomDelta) / lockTime);
if (Math.Abs(zoomDelta) > 0.1)
{
device.RampToVideoZoom(zoomRate > 0 ? MaxZoom : 1, zoomRate);
}
}
}
catch {
Console.WriteLine("error weird");
}
finally {
CATransaction.Commit();
}
lock (lockerobj) {
if (processingFaceDetection)
{
return;
}
processingFaceDetection = true;
}
//CATransaction.Begin();
//CATransaction.SetValueForKey(NSObject.FromObject(true), (NSString)(CATransaction.DisableActions.ToString()));
AVCaptureConnection avcaptureconnection = stillImageOutput.ConnectionFromMediaType(AVMediaType.Video);
//AVCaptureAutoExposureBracketedStillImageSettings bracketedstillimagesettings = AVCaptureAutoExposureBracketedStillImageSettings.Create(exposureTargetBias: AVCaptureDevice.ExposureTargetBiasCurrent);
//var settings = new AVCaptureBracketedStillImageSettings[] { bracketedstillimagesettings };
//stillImageOutput.PrepareToCaptureStillImageBracket(avcaptureconnection,settings, (status,error)=> {
// if (error == null) {
// stillImageOutput.CaptureStillImageAsynchronously(avcaptureconnection,
// (CMSampleBuffer imageDataSampleBuffer, NSError nserror) => {
// if (nserror == null) {
// using (var sampleBuffer = imageDataSampleBuffer) {
// if (sampleBuffer != null) {
// using (NSData imageData = AVCaptureStillImageOutput.JpegStillToNSData(sampleBuffer)) {
// if (imageData != null) {
// uIImage = UIImage.LoadFromData(imageData);
// /// operater your image
// //Console.WriteLine(image);
// SetImage(uIImage);
// }
// }
// }
// else {
// Console.WriteLine("something was wrong");
// }
// }
// }
// });
// }
//});
//CATransaction.Commit();
//DispatchQueue.MainQueue.DispatchAsync(() => {
// CaptureImageWithMetadata(stillImageOutput, avcaptureconnection);
//});
//stillImageOutput.CaptureStillImageAsynchronously(avcaptureconnection,
//(CMSampleBuffer imageDataSampleBuffer, NSError nserror) => {
// if (nserror == null) {
// //DispatchQueue.GetGlobalQueue(DispatchQueuePriority.Default).DispatchAsync(() =>
// //{
// DispatchQueue.MainQueue.DispatchAsync(() => {
// UIAlertView alert = new UIAlertView();
// alert.Show();
// });
// //});
// //DispatchQueue.MainQueue.DispatchAsync(delegate
// //{
// CIImage image = null;
// using (var sampleBuffer = imageDataSampleBuffer) {
// NSData imageData = AVCaptureStillImageOutput.JpegStillToNSData(sampleBuffer);
// image = CIImage.FromData(imageData);
// }
// uIImage = image.MakeUIImageFromCIImage();
// ivPictureTaken.BackgroundColor = UIColor.Blue;
// //ivPictureTaken.Image = uIImage;
// //Thread.Sleep(2000);
// //processingFaceDetection = false;
// //});
// }
// else {
// Console.WriteLine("Something went wrong");
// }
//});
ivPictureTaken.BackgroundColor = (ivPictureTaken.BackgroundColor == UIColor.Blue)? UIColor.Black : UIColor.Blue;
await Task.Delay(1000);
CMSampleBuffer sampleBuffer = await stillImageOutput.CaptureStillImageTaskAsync(avcaptureconnection);
foreach (var face in faces)
{
int faceId = (int)(face as AVMetadataFaceObject).FaceID;
if (faceViews != null && faceViews.ContainsKey(faceId))
{
var view = faceViews[faceId];
view.Frame = CGRect.Empty;
view.RemoveFromSuperview();
}
}
teardownAVFoundationFaceDetection();
CIImage ciImage = null;
UIImage uIImage = null;
UIImage transformeduIImage = null;
using (sampleBuffer ) {
NSData imageData = AVCaptureStillImageOutput.JpegStillToNSData(sampleBuffer);
arregloJPG = imageData.ToArray();
ciImage = CIImage.FromData(imageData);
uIImage = new UIImage(imageData);
CGAffineTransform cGAffineTransform = new CGAffineTransform();
switch (deviceOrientation)
{
case UIDeviceOrientation.Portrait:
cGAffineTransform = CGAffineTransform.MakeRotation(DegreesToRadians(0));
break;
case UIDeviceOrientation.PortraitUpsideDown:
cGAffineTransform = (CGAffineTransform.MakeRotation(DegreesToRadians(180)));
break;
case UIDeviceOrientation.LandscapeLeft:
cGAffineTransform = CGAffineTransform.MakeRotation(DegreesToRadians(90));
break;
case UIDeviceOrientation.LandscapeRight:
cGAffineTransform = CGAffineTransform.MakeRotation(DegreesToRadians(-90));
//cGAffineTransform.Translate(uIImage.CGImage.Width,0);
break;
case UIDeviceOrientation.FaceUp:
case UIDeviceOrientation.FaceDown:
default:
break; // leave the layer in its last known orientation
}
var flags = CGBitmapFlags.PremultipliedFirst | CGBitmapFlags.ByteOrder32Little;
// Create a CGImage on the RGB colorspace from the configured parameter above
using (var cs = CGColorSpace.CreateDeviceRGB()) {
using (CGBitmapContext context = new CGBitmapContext(null, (int)uIImage.CGImage.Width, (int)uIImage.CGImage.Height, uIImage.CGImage.BitsPerComponent, uIImage.CGImage.BytesPerRow, cs, (CGImageAlphaInfo)flags)) {
context.ConcatCTM(cGAffineTransform);
var cgRect = new CGRect(0, 0, uIImage.CGImage.Width, uIImage.CGImage.Height);
context.DrawImage(cgRect, uIImage.CGImage);
//ciImage = context.ToImage();
using (CGImage cgImage2 = context.ToImage()) {
//pixelBuffer.Unlock(CVPixelBufferLock.None);
transformeduIImage = UIImage.FromImage(cgImage2);
//return UIImage.FromImage(cgImage);
}
}
}
}
sampleBuffer.Dispose();
//UIImage uIImage = image2.MakeUIImageFromCIImage();
NSData nsdata = uIImage.ResizeImageWithAspectRatio(640, 480).AsPNG();
ivPictureTaken.Image = UIImage.LoadFromData(nsdata);//uIImage;
//byte[] bytes = nsdata.ToArray();
//WriteToFile(nsdata);
//string encoded = Base64.EncodeToString(localdata, Base64Flags.Default);
//byte[] b = System.IO.File.ReadAllBytes(FileName);
//string rutaCarpeta = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
//string resultado = "FotoLAB12";
//archivoLocal = resultado + ".jpg";
//ruta = Path.Combine(rutaCarpeta, archivoLocal);
//File.WriteAllBytes(ruta, arregloJPG);
//ivPictureTaken.Image= UIImage.FromFile(ruta);
//DispatchQueue.MainQueue.DispatchAsync(() => {
//ivPictureTaken.Image = null;
//InvokeOnMainThread(() => {
// ivPictureTaken.BackgroundColor = UIColor.Black;
// ivPictureTaken = new UIImageView(uIImage);
//});
//ivPictureTaken.SetNeedsDisplay();
//CATransaction.Commit();
//});
//DispatchQueue.GetGlobalQueue(DispatchQueuePriority.Default).DispatchAsync(() =>
//{
ProcessingImage(nsdata);
//});
//DispatchQueue.GetGlobalQueue(DispatchQueuePriority.Default).DispatchAsync(() => {
// //NSNotificationCenter.DefaultCenter.PostNotificationName("OnFaceDetected", uIImage);
//});
//session.StopRunning();
//await Task.Delay(3000);
//processingFaceDetection = false;
var a = -1;
}
