public UICameraPreview(CameraPreview camera)
{
cameraOptions = camera.Camera;
_IsPreviewing = camera.IsPreviewing;
Camera = camera;
CaptureSession = new AVCaptureSession();
previewLayer = new AVCaptureVideoPreviewLayer(CaptureSession)
{
Frame = Bounds,
VideoGravity = AVLayerVideoGravity.ResizeAspectFill
};
Layer.AddSublayer(previewLayer);
Initialize();
MessagingCenter.Subscribe <LifeCyclePayload>(this, "", (p) => {
switch (p.Status)
{
case LifeCycle.OnSleep:
//Sleep状態になるときにリソース解放
Release();
break;
case LifeCycle.OnResume:
//Resume状態になるときに初期化
Initialize();
break;
}
});
}
public void OnEnable()
{
screen = (TextureOverlay)target;
o = screen.gameObject;
boost = PlayerSettings.colorSpace == ColorSpace.Linear;
CameraPreview.Boost(boost);
}
protected override void OnElementChanged(VisualElementChangedEventArgs e)
{
base.OnElementChanged(e);
if (e.OldElement != null || Element == null)
{
return;
}
previewPage = e.NewElement as PreviewPage;
cameraPreview = previewPage.UnderlyingService.CameraPreview as CameraPreview;
cameraPreview.LiveCameraView = liveCameraStream;
previewPage.UnderlyingService.DetectionResultAquired += (o, result) => {
};
previewPage.UnderlyingService.StartService();
try
{
SetupUserInterface();
SetupEventHandlers();
cameraPreview.StartPreview(() => { });
AuthorizeCameraUse();
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"\t\t\tERROR: {ex.Message}");
}
}
public DroidCameraPreview(Context context, CameraPreview formsCameraPreview)
: base(context)
{
FormsCameraPreview = formsCameraPreview;
surfaceView = new SurfaceView(context);
AddView(surfaceView);
_IsPreviewing = FormsCameraPreview.IsPreviewing;
holder = surfaceView.Holder;
holder.AddCallback(this);
this.context = context;
MessagingCenter.Subscribe <LifeCyclePayload>(this, "", (p) => {
switch (p.Status)
{
case LifeCycle.OnSleep:
if (surfaceCreated)
{
//Sleepの時にSurfaceViewが生成されていればリソース解放
Release();
}
break;
case LifeCycle.OnResume:
if (surfaceCreated)
{
//Resumeの時にSurfaceViewが生成されていればリソース初期化
Initialize();
}
break;
}
});
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
if (SetCameraInstance() == true)
{
_camPreview = new CameraPreview(this, _camera, _cameraId);
}
else
{
Finish();
}
var preview = (RelativeLayout)FindViewById(Resource.Id.preview_layout);
preview.AddView(_camPreview);
var previewLayout = (RelativeLayout.LayoutParams)_camPreview.LayoutParameters;
previewLayout.Width = ViewGroup.LayoutParams.MatchParent;
previewLayout.Height = ViewGroup.LayoutParams.MatchParent;
_camPreview.LayoutParameters = previewLayout;
var captureButton = (Button)FindViewById(Resource.Id.button_capture);
captureButton.Click += (s, e) =>
{
_camera.TakePicture(null, null, _camPreview);
};
// at last, a call to set the right layout of the elements (like the button)
// depending on the screen orientation (if it's changeable).
FixElementsPosition(Resources.Configuration.Orientation);
}
public CameraModel GetCameraSize(CameraPreview cameraPreview)
{
return(new CameraModel
{
Width = (uint)cameraPreview.Width,
Height = (uint)cameraPreview.Height
});
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
_model = await LearningModelYolo.CreateFromStreamAsync();
_cameraModel = new CameraModel().GetCameraSize(CameraPreview);
await CameraPreview.StartAsync();
CameraPreview.CameraHelper.FrameArrived += CameraHelper_FrameArrived;
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
LoadYoloOnnxModel();
Window.Current.SizeChanged += Current_SizeChanged;
await CameraPreview.StartAsync();
CameraPreview.CameraHelper.FrameArrived += CameraHelper_FrameArrived;
}
public override void OnInspectorGUI()
{
DrawDefaultInspector();
if (!CameraPreview.IsOpen)
{
if (GUILayout.Button(OPEN_MESSAGE))
{
CameraPreview window = (CameraPreview)EditorWindow.GetWindow(typeof(CameraPreview));
window.Create();
window.camera = o.GetComponent <Camera>();
window.Show();
}
}
else
{
if (GUILayout.Button(CLOSE_MESSAGE))
{
CameraPreview window = (CameraPreview)EditorWindow.GetWindow(typeof(CameraPreview));
window.Close();
}
GUILayout.Box("", GUILayout.ExpandWidth(true), GUILayout.Height(1));
previewMode = (PREVIEW_MODE)EditorGUILayout.EnumPopup("Preview mode", previewMode);
if (previewMode == PREVIEW_MODE.WINDOWED)
{
CameraPreview.customResolution = EditorGUILayout.Vector2Field("Custom resolution", CameraPreview.customResolution);
}
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (GUILayout.Button("Apply"))
{
CameraPreview.SetGameWindow(previewMode == PREVIEW_MODE.FULLSCREEN);
}
EditorGUILayout.EndHorizontal();
}
/***** Uncomment to watch the lights taken in forward mode ****/
/*
* for(int i = 0; i < screen.numberPointLights; i++)
* {
* TextureOverlay.PointLight p = screen.pointLights[i];
* EditorGUILayout.LabelField("Point light : pos " + p.position + "|| range " + p.range);
* }
*
* for (int i = 0; i < screen.numberSpotLights; i++)
* {
* TextureOverlay.SpotLight p = screen.spotLights[i];
* EditorGUILayout.LabelField("Spot light : pos " + p.position + " || direction" + p.direction);
* }
*/
}
public override void OnInit()
{
Debug.WriteLine("Initializing the plugin...");
if (_camPreview == null)
{
Debug.WriteLine("Initializing camera preview...");
_camPreview = new CameraPreview();
_camPreview.OnFrameProcessed += OnFrameProcessed;
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
_softwareBitmapSource = new SoftwareBitmapSource();
CurrentFrameImage.Source = _softwareBitmapSource;
GetCameraSize();
Window.Current.SizeChanged += Current_SizeChanged;
await CameraPreview.StartAsync();
CameraPreview.CameraHelper.FrameArrived += CameraHelper_FrameArrived;
}
public override void StartActions()
{
CameraPreview component = base.GetComponent <CameraPreview>();
if (!component || component.ControlPoints == null || component.ControlPoints.Count == 0)
{
return;
}
Vector2 position = component.ControlPoints[0].position;
base.transform.position = new Vector3(position.x, position.y, base.transform.position.z);
}
public override void OnInspectorGUI()
{
DrawDefaultInspector();
if (!CameraPreview.IsOpen)
{
if (GUILayout.Button(OPEN_MESSAGE))
{
CameraPreview window = (CameraPreview)EditorWindow.GetWindow(typeof(CameraPreview));
boost = PlayerSettings.colorSpace == ColorSpace.Linear;
window.Create();
window.camera = o.GetComponent <Camera>();
window.Show();
CameraPreview.Boost(boost);
}
}
else
{
if (GUILayout.Button(CLOSE_MESSAGE))
{
CameraPreview window = (CameraPreview)EditorWindow.GetWindow(typeof(CameraPreview));
window.Close();
}
EditorGUI.BeginChangeCheck();
GUIContent content = new GUIContent("Gamma Correction", "Correct the gamma color applied by the HMD");
boost = EditorGUILayout.Toggle(content, boost);
CameraPreview.Boost(boost);
if (EditorGUI.EndChangeCheck())
{
CameraPreview.Boost(boost);
}
EditorGUI.BeginChangeCheck();
content = new GUIContent("Full Screen", "Press escape to exit full screen mode");
CameraPreview.isFullScreen = EditorGUILayout.Toggle(content, CameraPreview.isFullScreen);
if (EditorGUI.EndChangeCheck())
{
if (CameraPreview.isFullScreen)
{
CameraPreview.FullScreenGameWindow();
}
else
{
CameraPreview.CloseGameWindow();
}
}
}
}
public UICameraPreview(CameraPreview camera)
{
cameraOptions = camera.Camera;
_IsPreviewing = true;
Camera = camera;
CaptureSession = new AVCaptureSession();
previewLayer = new AVCaptureVideoPreviewLayer(CaptureSession)
{
Frame = Bounds,
VideoGravity = AVLayerVideoGravity.ResizeAspectFill
};
Layer.AddSublayer(previewLayer);
Initialize();
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.SessionActivityLayout);
camera = Camera.Open();
preview = new CameraPreview(this, camera);
SurfaceView surfaceView = FindViewById <SurfaceView>(Resource.Id.dummySurfaceView);
surfaceHolder = surfaceView.Holder;
surfaceHolder.AddCallback(new CameraPreview(this, camera));
surfaceHolder.SetType(SurfaceType.PushBuffers);
var spyButton = FindViewById <Button>(Resource.Id.spyButton);
spyButton.Click += (sender, args) =>
{
TakePicture();
};
}
protected override void OnElementChanged(ElementChangedEventArgs <CameraView> e)
{
base.OnElementChanged(e);
if (e.OldElement != null || Element == null)
{
return;
}
if (e.NewElement != null)
{
if (Control == null)
{
cameraView = ((CameraView)e.NewElement);
cameraPreview = new CameraPreview(Context, cameraView.DefaultTorchOn, cameraView.VibrationOnDetected, cameraView.AutoStartScanning);
cameraPreview.OnDetected += (list) =>
{
cameraView?.TriggerOnDetected(list);
};
SetNativeControl(cameraPreview);
}
}
}
// Initialize Camera
private void InitializeCamera()
{
_camera = CameraHelper.GetCameraInstance((int)_cameraFacing);
if (_camera != null)
{
//CameraHelper.SetCameraDisplayOrientation(this, 0, _camera);
SurfaceOrientation displayRotation = this.WindowManager.DefaultDisplay.Rotation;
// Create our Preview view and set it as the content of our activity.
_preview = new CameraPreview(this, _camera, (int)_cameraFacing, displayRotation);
//IList<Android.Hardware.Camera.Size> sizes = _camera.GetParameters().SupportedPreviewSizes;
//_camera.GetParameters().SetPreviewSize(sizes[0].Width, sizes[0].Height);
camera_preview.AddView(_preview);
SetFlash();
}
else
{
AlertBox.Create("", "Could not access camera!", this);
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.Main);
TableLayout tl = FindViewById <TableLayout>(Resource.Id.camera_preview);
LayoutParams layoutParams = new TableRow.LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent);
TableRow.LayoutParams tableLayoutParams = new TableRow.LayoutParams();
tableLayoutParams.Span = 4;
tableLayoutParams.Weight = 1;
TableRow tr = new TableRow(this);
mCamera = getCameraInstance();
mCameraPreview = new CameraPreview(this, mCamera, null, Android.Views.SurfaceOrientation.Rotation0);
mCameraPreview.LayoutParameters = tableLayoutParams;
tr.AddView(mCameraPreview, 0);
tl.AddView(tr, 6);
Button captureButton = FindViewById <Button>(Resource.Id.button_capture);
captureButton.Click += CaptureButton_Click;
}
/// <summary>
/// Обработка запуска превью камеры
/// </summary>
private void StartCamera()
{
if (camera != null)
{
try
{
camera.StartPreview();
return;
}
catch (Java.Lang.Exception e)
{
}
}
try
{
camera = CameraHelpers.GetCameraInstance();
flashCurrent--;
ToggleFlash();
if (camera == null)
{
//Log.Debug("Can not connect to camera.");
}
else
{
preview = new CameraPreview(this, camera);
cameraPreview.RemoveAllViews();
cameraPreview.AddView(preview);
}
}
catch (Exception e)
{
Log.Debug("Camera activity", e.StackTrace);
}
}
protected override void OnResume()
{
base.OnResume();
cameraPreview = FindViewById<CameraPreview>(Resource.Id.texture);
cameraPreview?.InitPreview(this);
OpenCamera();
InitSensors();
}
public CameraFeedUtility(CameraPreview cameraPreview)
{
this.cameraPreview = cameraPreview;
}
protected override void OnResume()
{
base.OnResume();
cameraPreview = FindViewById<CameraPreview>(Resource.Id.texture);
cameraPreview.InitPreview(this);
if (cameraFeedUtility == null)
{
cameraFeedUtility = new CameraFeedUtility(cameraPreview);
}
cameraFeedUtility.StartPreview();
cameraFeedUtility.UpdatePreviewRotation(world.Rotation);
InitSensors();
}
