public virtual void Dispose()
{
if (_phoneCamera != null)
{
_phoneCamera.Dispose();
}
}
public void SetPreferedCameraType(CameraType type)
{
if (PhotoCamera.IsCameraTypeSupported(type))
{
_cameraType = type;
_currentCamera.Dispose();
_currentCamera = null;
LoadCameraBrush();
}
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
//we're navigating away from this page, we won't be scanning any barcodes
_scanTimer.Stop();
if (_phoneCamera != null)
{
// Cleanup
_phoneCamera.Dispose();
_phoneCamera.Initialized -= cam_Initialized;
CameraButtons.ShutterKeyHalfPressed -= CameraButtons_ShutterKeyHalfPressed;
}
}
private void UserControl_Unloaded(object sender, RoutedEventArgs e)
{
if (_photoCamera != null)
{
// Dispose camera to minimize power consumption and to expedite shutdown.
_photoCamera.Dispose();
// Release memory, ensure garbage collection.
_photoCamera.Initialized -= PhotoCameraOnInitialized;
_photoCamera.AutoFocusCompleted -= PhotoCameraOnAutoFocusCompleted;
_reader.ResultFound -= ReaderOnResultFound;
}
}
/*
* protected override void OnOrientationChanged(OrientationChangedEventArgs e)
* {
* if (cam != null)
* {
* // LandscapeRight rotation when camera is on back of phone.
* int landscapeRightRotation = 180;
*
* // Change LandscapeRight rotation for front-facing camera.
* if (cam.CameraType == CameraType.FrontFacing) landscapeRightRotation = -180;
*
* // Rotate video brush from camera.
* if (e.Orientation == PageOrientation.LandscapeRight)
* {
* // Rotate for LandscapeRight orientation.
* videoBrush.RelativeTransform =
* new CompositeTransform() { CenterX = 0.5, CenterY = 0.5, Rotation = landscapeRightRotation };
* }
* else
* {
* // Rotate for standard landscape orientation.
* videoBrush.RelativeTransform =
* new CompositeTransform() { CenterX = 0.5, CenterY = 0.5, Rotation = 0 };
* }
* }
*
* /*
* if( cam != null )
* {
* Dispatcher.BeginInvoke (() =>
* {
* double rotation = cam.Orientation;
*
* switch (this the Orientation)
* {
* case PageOrientation.LandscapeLeft:
* rotation = cam.Orientation - 90;
* break;
*
* case PageOrientation.LandscapeRight:
* rotation = cam.Orientation + 90;
* break;
* }
* }
* }
*
*
* base.OnOrientationChanged(e);
* }
*/
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (cam != null)
{
cam.Dispose();
}
}
/**
* Reinitializes the camera: creates a new one, and adds it as a source for the
* video brush.
*/
private void InitCamera()
{
mCamera.Dispose();
mCamera = null;
mCamera = new PhotoCamera(mCameraType);
isCameraInitialized = false;
AutoResetEvent are = new AutoResetEvent(false);
mCamera.Initialized += new EventHandler <CameraOperationCompletedEventArgs>(
delegate(object o, CameraOperationCompletedEventArgs args)
{
try
{
mCamera.FlashMode = mFlashMode;
isCameraInitialized = true;
are.Set();
}
catch { }
});
MoSync.Util.RunActionOnMainThreadSync(() =>
{
mVideoBrush.SetSource(mCamera);
});
// we need to wait until the camere is initialized before doing other operations
// with it or getting/setting its properties
are.WaitOne();
}
/// <summary>
/// Escanea el buffer de la cámara y si
/// detectó un código QR lo manda a la vista ImagePicker
/// </summary>
private void ScanPreviewBuffer()
{
try
{
photoCamera.GetPreviewBufferY(luminance.PreviewBufferY);
var binarizer = new HybridBinarizer(luminance);
var binBitmap = new BinaryBitmap(binarizer);
var result = reader.decode(binBitmap);
if (result == null)
{
return;
}
// Se leyó el código QR
this.qrCodeText = result.Text;
this.Dispatcher.BeginInvoke(() =>
{
timer.Stop();
photoCamera.Dispose();
NavigationService.Navigate(new Uri(String.Format("/ImagePicker.xaml?qr={0}", qrCodeText), UriKind.Relative));
});
}
catch (Exception)
{
MessageBox.Show("Ocurrió un error al tratar de decodificar el código QR", "Photo Sharing", MessageBoxButton.OK);
}
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
//we're navigating away from this page, we won't be scanning any barcodes
_scanTimer.Stop();
if (_phoneCamera != null)
{
// Cleanup
_phoneCamera.Dispose();
_phoneCamera.Initialized -= Camera_Initialized;
CameraButtons.ShutterKeyHalfPressed -= CameraButtons_ShutterKeyHalfPressed;
}
if (_scanConfirmation.IsOpen)
{
_scanConfirmation.IsOpen = false;
}
if (OpticalReaderTask.TaskPending)
{
if (e.NavigationMode == NavigationMode.Back)
{
OpticalReaderTask.CancelTask(true);
}
else
{
OpticalReaderTask.CancelTask(false);
}
}
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
_cam.CancelFocus();
_cam.Dispose();
base.OnNavigatingFrom(e);
}
void CleanUpCamera()
{
CameraButtons.ShutterKeyPressed -= cameraButtons_ShutterKeyPressed;
camera.CaptureImageAvailable -= camera_CaptureImageAvailable;
camera.CaptureCompleted -= camera_CaptureCompleted;
camera.Dispose();
camera = null;
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (cam != null)
{
cam.Dispose();
cam.CaptureImageAvailable -= cam_CaptureImageAvailable;
}
}
// ページがアクティブでなくなったら呼び出される
protected override void OnNavigatedFrom(System.Windows.Navigation.NavigationEventArgs e)
{
//カメラを解放
if (camera != null)
{
camera.Dispose();
camera = null;
}
}
protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
{
if (_camera == null)
{
return;
}
// Dispose camera to minimize power consumption and to expedite shutdown.
_camera.Dispose();
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
myVM.PhoneOrientationChanged -= myVM_PhoneOrientationChanged;
_gameTimer.Update -= _gameTimer_Update;
_gameTimer.Draw -= _gameTimer_Draw;
OnExternalUserControlChanged -= ARView_OnExternalUserControlChanged;
this.ExternalUserControlPlaceHolder.Children.Clear();
myVM.Suspend();
if (_motion != null)
{
_motion.Stop();
_motion.Dispose();
_motion = null;
}
if (_cam != null)
{
_cam.Dispose();
_cam = null;
}
// Stop the timer
if (_gameTimer != null)
{
_gameTimer.Stop();
_gameTimer.Dispose();
}
//Stop gesture Timer
if (_gestureTimer != null)
{
_gestureTimer.Stop();
_gestureTimer = null;
}
// Set the sharing mode of the graphics device to turn off XNA rendering
SharedGraphicsDeviceManager.Current.GraphicsDevice.SetSharingMode(false);
foreach (LocationsVM.Location l in myVM.SelectedNearbyLocations)
{
placeholderGrid.Children.Remove(l.PlacemarkPresenter);
radarCanvas.Children.Remove(l.RadarPointRepresenter);
l.IsClickedOnView = false;
l.IsAnimatingView = false;
l.IsAnimatingWorld = false;
}
//if (e.NavigationMode == NavigationMode.Back)
// NavigationService.Navigate(new Uri("/RealSquare;component/MainPage.xaml", UriKind.Relative));
base.OnNavigatingFrom(e);
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (_photoCamera != null)
{
_timer.Stop();
_photoCamera.CancelFocus();
_photoCamera.Dispose();
}
base.OnNavigatingFrom(e);
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
_scanTimer.Stop();
if (_phoneCamera != null)
{
_phoneCamera.Dispose();
_phoneCamera.Initialized -= cam_Initialized;
CameraButtons.ShutterKeyHalfPressed -= CameraButtons_ShutterKeyHalfPressed;
}
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (cam != null)
{
// Dispose of the camera to minimize power consumption and to expedite shutdown.
cam.Dispose();
// Release memory, ensure garbage collection.
cam.Initialized -= cam_Initialized;
}
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (cam != null)
{
// Notify the background worker to stop processing.
bgPleaseExit = true;
bgThread.Join();
// Dispose of the camera object to free memory.
cam.Dispose();
}
}
protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
{
if (!cameraInitialized)
{
closeAfterCameraInit = true;
e.Cancel = true;
return;
}
photoCamera?.Dispose();
timer?.Stop();
base.OnNavigatingFrom(e);
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (_cam == null)
{
return;
}
_cam.Dispose();
_cam.CaptureCompleted -= CamCaptureCompleted;
_cam.CaptureImageAvailable -= CamCaptureImageAvailable;
_cam.CaptureThumbnailAvailable -= CamCaptureThumbnailAvailable;
}
/// <summary>
/// Stops the camera service so it's no longer retrieving data.
/// </summary>
/// <remarks>
/// This method is already protected and only called when the service is currently running.
/// </remarks>
protected override void StopService()
{
_photoCamera.Initialized -= OnPhotoCameraInitialized;
_photoCamera.AutoFocusCompleted -= OnPhotoCameraAutoFocusCompleted;
_photoCamera.CaptureStarted -= OnPhotoCameraCaptureStarted;
_photoCamera.CaptureThumbnailAvailable -= OnPhotoCameraCaptureThumbnailAvailable;
_photoCamera.CaptureImageAvailable -= OnPhotoCameraCaptureImageAvailable;
_photoCamera.CaptureCompleted -= OnPhotoCameraCaptureCompleted;
_photoCamera.Dispose();
_photoCamera = null;
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (_photoCamera != null)
{
// nama 3 ovat omia lisayksia
_previewVideo = null;
CameraButtons.ShutterKeyHalfPressed -= (o, arg) => _photoCamera.Focus();
_timer.Tick -= (o, arg) => ScanPreviewBuffer();
_photoCamera.Initialized -= OnPhotoCameraInitialized;
_photoCamera.Dispose();
}
}
public void StopCamera()
{
if (_camera != null)
{
// Notify the background worker to stop processing.
_threadPleaseExit = true;
// Dispose camera to minimize power consumption and to expedite shutdown.
_camera.Dispose();
_camera = null;
_thread = null;
}
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (cam != null)
{
// Dispose camera to minimize power consumption and to expedite shutdown.
cam.Dispose();
// Release memory, ensure garbage collection.
cam.Initialized -= cam_Initialized;
cam.CaptureCompleted -= cam_CaptureCompleted;
cam.CaptureImageAvailable -= cam_CaptureImageAvailable;
cam.CaptureThumbnailAvailable -= cam_CaptureThumbnailAvailable;
}
}
protected override void OnNavigatingFrom(System.Windows.Navigation.NavigatingCancelEventArgs e)
{
if (cam != null)
{
//Close camera
cam.Dispose();
//Release memory
cam.Initialized -= cam_Initialized;
cam.CaptureCompleted -= cam_CaptureCompleted;
cam.CaptureImageAvailable -= cam_CaptureImageAvailable;
cam.CaptureThumbnailAvailable -= cam_CaptureThumbnailAvailable;
CameraButtons.ShutterKeyPressed -= OnButtonFullPress;
}
}
/// <summary>
/// Stops the camera and capture process
/// </summary>
public void Stop()
{
doCancel = true;
if (_timer != null && _timer.IsEnabled)
{
_timer.Stop();
}
if (_photoCamera != null)
{
_photoCamera.Dispose();
_photoCamera = null;
}
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
base.OnNavigatedFrom(e);
if ((Application.Current.RootVisual as PhoneApplicationFrame) != null)
{
(Application.Current.RootVisual as PhoneApplicationFrame).RemoveBackEntry();
}
if (_photoCamera != null)
{
_timer.Stop();
_photoCamera.CancelFocus();
_photoCamera.Dispose();
}
}
/// <summary>
/// Closes the control and reverts any changes made to the underlying page.
/// </summary>
private void Close()
{
_timer.Stop();
_camera.Initialized -= Camera_Initialized;
_camera.Dispose();
_isDone = true;
_frame.BackKeyPress -= Frame_BackKeyPress;
SystemTray.SetIsVisible(_underPage, _underPageTrayVisible);
_underPage.ApplicationBar.IsVisible = _underPageAppBarVisible;
// No null check, we know it's always non-null
CloseRequested(this, EventArgs.Empty);
}
private bool stopCamera()
{
if (_photoCamera == null)
{
return(false);
}
_timer.Stop();
_timer = null;
_luminance = null;
_reader = null;
_photoCamera.Dispose();
_photoCamera = null;
return(true);
}
public void TeardownPage()
{
isInitialized = false;
isDetecting = false;
//turn off camera
photoCamera.Dispose();
photoCamera.Initialized -= photoCamera_Initialized;
// Stop the timer
timer.Stop();
//pass control to the asynchronous background thread and turn off the camera
//and models so that popups display correctly.
SharedGraphicsDeviceManager.Current.GraphicsDevice.SetSharingMode(false);
}
void UninitializeCamera(PhotoCamera camera)
{
if (camera == null)
return;
camera.Initialized -= CollectCameraCaps;
camera.Dispose();
}
/**
* Initializing the ioctls.
*/
public void Init(Ioctls ioctls, Core core, Runtime runtime)
{
mCamera = new PhotoCamera(mCameraType);
mVideoBrush = new VideoBrush();
runtime.RegisterCleaner(delegate()
{
if (null != mCamera)
{
mCamera.Dispose();
mCamera = null;
}
});
PhoneApplicationPage currentPage = (((PhoneApplicationFrame)Application.Current.RootVisual).Content as PhoneApplicationPage);
// set the initial camera orientation in respect to the current page orientation
SetInitialCameraOrientation(currentPage);
// handle current page orientation and adjust the camera orientation accordingly
HandleDeviceOrientation(currentPage);
/**
* Stores an output format in fmm parameter.
* @param _index int the index of the required format.
* @param _fmt int the momory address at which to write the output format dimensions.
*
* Note: the _index should be greater than 0 and smaller than the number of camera formats.
*/
ioctls.maCameraFormat = delegate(int _index, int _fmt)
{
System.Windows.Size dim;
if (GetCameraFormat(_index, out dim) == false)
return MoSync.Constants.MA_CAMERA_RES_FAILED;
core.GetDataMemory().WriteInt32(_fmt + MoSync.Struct.MA_CAMERA_FORMAT.width,
(int)dim.Width);
core.GetDataMemory().WriteInt32(_fmt + MoSync.Struct.MA_CAMERA_FORMAT.height,
(int)dim.Height);
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Returns the number of different output formats supported by the current device's camera.
* \< 0 if there is no camera support.
* 0 if there is camera support, but the format is unknown.
*/
ioctls.maCameraFormatNumber = delegate()
{
// if the camera is not initialized, we cannot access any of its properties
if (!isCameraInitialized)
{
// because the cammera is supported but not initialized, we return 0
return 0;
}
IEnumerable<System.Windows.Size> res = mCamera.AvailableResolutions;
if (res == null) return 0;
IEnumerator<System.Windows.Size> resolutions = res.GetEnumerator();
resolutions.MoveNext();
int number = 0;
while (resolutions.Current != null)
{
number++;
resolutions.MoveNext();
if (resolutions.Current == new System.Windows.Size(0, 0))
break;
}
return number;
};
/**
* Starts the viewfinder and the camera
*/
ioctls.maCameraStart = delegate()
{
InitCamera();
MoSync.Util.RunActionOnMainThreadSync(() =>
{
mCameraPrev.StartViewFinder();
});
return 0;
};
/**
* stops the view finder and the camera.
*/
ioctls.maCameraStop = delegate()
{
MoSync.Util.RunActionOnMainThreadSync(() =>
{
mCameraPrev.StopViewFinder();
});
return 0;
};
/**
* Adds a previewWidget to the camera controller in devices that support native UI.
*/
ioctls.maCameraSetPreview = delegate(int _widgetHandle)
{
// if the camera is not initialized, we need to initialize it before
// setting the preview
if (!isCameraInitialized)
{
InitCamera();
}
IWidget w = runtime.GetModule<NativeUIModule>().GetWidget(_widgetHandle);
if (w.GetType() != typeof(MoSync.NativeUI.CameraPreview))
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
}
mCameraPrev = (NativeUI.CameraPreview)w;
mCameraPrev.SetViewFinderContent(mVideoBrush);
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Returns the number of available Camera on the device.
*/
ioctls.maCameraNumber = delegate()
{
if (PhotoCamera.IsCameraTypeSupported(CameraType.FrontFacing) && PhotoCamera.IsCameraTypeSupported(CameraType.Primary))
return 2;
else if (PhotoCamera.IsCameraTypeSupported(CameraType.FrontFacing) || PhotoCamera.IsCameraTypeSupported(CameraType.Primary))
return 1;
return 0;
};
/**
* Captures an image and stores it as a new data object in the
* supplied placeholder.
* @param _formatIndex int the required format.
* @param _placeHolder int the placeholder used for storing the image.
*/
ioctls.maCameraSnapshot = delegate(int _formatIndex, int _placeHolder)
{
AutoResetEvent are = new AutoResetEvent(false);
System.Windows.Size dim;
if (GetCameraFormat(_formatIndex, out dim) == false)
return MoSync.Constants.MA_CAMERA_RES_FAILED;
mCamera.Resolution = dim;
if (mCameraSnapshotDelegate != null)
mCamera.CaptureImageAvailable -= mCameraSnapshotDelegate;
mCameraSnapshotDelegate = delegate(object o, ContentReadyEventArgs args)
{
MoSync.Util.RunActionOnMainThreadSync(() =>
{
Resource res = runtime.GetResource(MoSync.Constants.RT_PLACEHOLDER, _placeHolder);
Stream data = null;
try
{
// as the camera always takes a snapshot in landscape left orientation,
// we need to rotate the resulting image 90 degrees for a current PortraitUp orientation
// and 180 degrees for a current LandscapeRight orientation
int rotateAngle = 0;
if (currentPage.Orientation == PageOrientation.PortraitUp)
{
rotateAngle = 90;
}
else if (currentPage.Orientation == PageOrientation.LandscapeRight)
{
rotateAngle = 180;
}
// if the current page is in a LandscapeLeft orientation, the orientation angle will be 0
data = RotateImage(args.ImageStream, rotateAngle);
}
catch
{
// the orientation angle was not a multiple of 90 - we keep the original image
data = args.ImageStream;
}
MemoryStream dataMem = new MemoryStream((int)data.Length);
MoSync.Util.CopySeekableStreams(data, 0, dataMem, 0, (int)data.Length);
res.SetInternalObject(dataMem);
});
are.Set();
};
mCamera.CaptureImageAvailable += mCameraSnapshotDelegate;
mCamera.CaptureImage();
are.WaitOne();
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Captures an image and stores it as a new data object in new
* placeholder that is sent via #EVENT_TYPE_CAMERA_SNAPSHOT event.
* @param _formatIndex int the required format index (size index).
*/
ioctls.maCameraSnapshotAsync = delegate(int _formatIndex)
{
System.Windows.Size dim;
if (GetCameraFormat(_formatIndex, out dim) == false)
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
}
mCamera.Resolution = dim;
if (mCameraSnapshotDelegate != null)
{
mCamera.CaptureImageAvailable -= mCameraSnapshotDelegate;
}
mCameraSnapshotDelegate = delegate(object o, ContentReadyEventArgs args)
{
MoSync.Util.RunActionOnMainThreadSync(() =>
{
Stream data = null;
try
{
// as the camera always takes a snapshot in landscape left orientation,
// we need to rotate the resulting image 90 degrees for a current PortraitUp orientation
// and 180 degrees for a current LandscapeRight orientation
int rotateAngle = 0;
if (currentPage.Orientation == PageOrientation.PortraitUp)
{
rotateAngle = 90;
}
else if (currentPage.Orientation == PageOrientation.LandscapeRight)
{
rotateAngle = 180;
}
// if the current page is in a LandscapeLeft orientation, the orientation angle will be 0
data = RotateImage(args.ImageStream, rotateAngle);
}
catch
{
// the orientation angle was not a multiple of 90 - we keep the original image
data = args.ImageStream;
}
MemoryStream dataMem = new MemoryStream((int)data.Length);
MoSync.Util.CopySeekableStreams(data, 0, dataMem, 0, (int)data.Length);
Memory eventData = new Memory(20);
const int MAEventData_eventType = 0;
const int MAEventData_snapshotImageDataHandle = 4;
const int MAEventData_snapshotFormatIndex = 8;
const int MAEventData_snapshotImageDataRepresentation = 12;
const int MAEventData_snapshotReturnCode = 16;
eventData.WriteInt32(MAEventData_eventType, MoSync.Constants.EVENT_TYPE_CAMERA_SNAPSHOT);
// Create new place holder.
eventData.WriteInt32(MAEventData_snapshotImageDataHandle, runtime.AddResource(
new Resource(dataMem, MoSync.Constants.RT_BINARY, true)));
eventData.WriteInt32(MAEventData_snapshotFormatIndex, _formatIndex);
eventData.WriteInt32(MAEventData_snapshotImageDataRepresentation, MoSync.Constants.MA_IMAGE_REPRESENTATION_RAW);
eventData.WriteInt32(MAEventData_snapshotReturnCode, MoSync.Constants.MA_CAMERA_RES_OK);
runtime.PostEvent(new Event(eventData));
});
};
mCamera.CaptureImageAvailable += mCameraSnapshotDelegate;
mCamera.CaptureImage();
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Sets the property represented by the string situated at the
* _property address with the value situated at the _value address.
* @param _property int the property name address
* @param _value int the value address
*
* Note: the fallowing properties are not available on windows phone
* MA_CAMERA_FOCUS_MODE, MA_CAMERA_IMAGE_FORMAT, MA_CAMERA_ZOOM,
* MA_CAMERA_MAX_ZOOM.
*/
ioctls.maCameraSetProperty = delegate(int _property, int _value)
{
// if the camera is not initialized, we cannot access any of its properties
if (!isCameraInitialized)
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
String property = core.GetDataMemory().ReadStringAtAddress(_property);
String value = core.GetDataMemory().ReadStringAtAddress(_value);
if (property.Equals(MoSync.Constants.MA_CAMERA_FLASH_MODE))
{
if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_ON))
{
mCamera.FlashMode = FlashMode.On;
mFlashMode = FlashMode.On;
}
else if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_OFF))
{
mCamera.FlashMode = FlashMode.Off;
mFlashMode = FlashMode.Off;
}
else if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_AUTO))
{
mCamera.FlashMode = FlashMode.Auto;
mFlashMode = FlashMode.Auto;
}
else return MoSync.Constants.MA_CAMERA_RES_INVALID_PROPERTY_VALUE;
return MoSync.Constants.MA_CAMERA_RES_OK;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_FOCUS_MODE))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_IMAGE_FORMAT))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_ZOOM))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_MAX_ZOOM))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
};
/**
* Selects a camera from the avalable ones;
* in this eigther the back or the front camera is
* chosen
*/
ioctls.maCameraSelect = delegate(int _camera)
{
// if the camera is not initialized, we cannot access any of its properties
if (!isCameraInitialized)
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
}
if ( MoSync.Constants.MA_CAMERA_CONST_BACK_CAMERA == _camera)
{
if (mCamera.CameraType != CameraType.Primary)
{
mCameraType = CameraType.Primary;
InitCamera();
}
}
else if (MoSync.Constants.MA_CAMERA_CONST_FRONT_CAMERA == _camera)
{
if (mCamera.CameraType != CameraType.FrontFacing)
{
mCameraType = CameraType.FrontFacing;
InitCamera();
MoSync.Util.RunActionOnMainThreadSync(() =>
{
SetInitialCameraOrientation(currentPage);
}
);
}
}
else return MoSync.Constants.MA_CAMERA_RES_FAILED;
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Retrieves the specified property value in the given buffer.
* @param _property int the address for the property string
* @param _value int the address for the property value string (the buffer)
* @param _bufSize int the buffer size
*/
ioctls.maCameraGetProperty = delegate(int _property, int _value, int _bufSize)
{
String property = core.GetDataMemory().ReadStringAtAddress(_property);
if (property.Equals(MoSync.Constants.MA_CAMERA_MAX_ZOOM))
{
core.GetDataMemory().WriteStringAtAddress(
_value,
"0",
_bufSize);
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_ZOOM_SUPPORTED))
{
core.GetDataMemory().WriteStringAtAddress(
_value,
"false",
_bufSize);
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_FLASH_SUPPORTED))
{
core.GetDataMemory().WriteStringAtAddress(
_value,
"true",
_bufSize);
}
else return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
return 0;
};
ioctls.maCameraRecord = delegate(int _stopStartFlag)
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
};
}
/**
* Initializing the ioctls.
*/
public void Init(Ioctls ioctls, Core core, Runtime runtime)
{
mCamera = new PhotoCamera(mCameraType);
mVideoBrush = new VideoBrush();
runtime.RegisterCleaner(delegate()
{
if (null != mCamera)
{
mCamera.Dispose();
mCamera = null;
}
});
// this should be set according to the orientation of
// the device I guess.
// we need to handle the camera orientation by hand
PhoneApplicationPage currentPage = (((PhoneApplicationFrame)Application.Current.RootVisual).Content as PhoneApplicationPage);
// we need to handle the initial page orientation
double rotation = mCamera.Orientation;
if (currentPage.Orientation == PageOrientation.LandscapeLeft)
{
rotation -= 90;
}
else if (currentPage.Orientation == PageOrientation.LandscapeRight)
{
rotation += 90;
}
mVideoBrush.RelativeTransform = new CompositeTransform()
{
CenterX = 0.5,
CenterY = 0.5,
Rotation = rotation
};
// on orientation changed, we need to rotate the video brush
currentPage.OrientationChanged += new System.EventHandler<OrientationChangedEventArgs>(
delegate(object o, OrientationChangedEventArgs args)
{
rotation = mCamera.Orientation;
if (args.Orientation == PageOrientation.LandscapeLeft)
{
rotation -= 90;
}
else if (args.Orientation == PageOrientation.LandscapeRight)
{
rotation += 90;
}
mVideoBrush.RelativeTransform = new CompositeTransform()
{
CenterX = 0.5,
CenterY = 0.5,
Rotation = rotation
};
});
/**
* Stores an output format in fmm parameter.
* @param _index int the index of the required format.
* @param _fmt int the momory address at which to write the output format dimensions.
*
* Note: the _index should be greater than 0 and smaller than the number of camera formats.
*/
ioctls.maCameraFormat = delegate(int _index, int _fmt)
{
System.Windows.Size dim;
if (GetCameraFormat(_index, out dim) == false)
return MoSync.Constants.MA_CAMERA_RES_FAILED;
core.GetDataMemory().WriteInt32(_fmt + MoSync.Struct.MA_CAMERA_FORMAT.width,
(int)dim.Width);
core.GetDataMemory().WriteInt32(_fmt + MoSync.Struct.MA_CAMERA_FORMAT.height,
(int)dim.Height);
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Returns the number of different output formats supported by the current device's camera.
* \< 0 if there is no camera support.
* 0 if there is camera support, but the format is unknown.
*/
ioctls.maCameraFormatNumber = delegate()
{
// if the camera is not initialized, we cannot access any of its properties
if (!isCameraInitialized)
{
// because the cammera is supported but not initialized, we return 0
return 0;
}
IEnumerable<System.Windows.Size> res = mCamera.AvailableResolutions;
if (res == null) return 0;
IEnumerator<System.Windows.Size> resolutions = res.GetEnumerator();
resolutions.MoveNext();
int number = 0;
while (resolutions.Current != null)
{
number++;
resolutions.MoveNext();
if (resolutions.Current == new System.Windows.Size(0, 0))
break;
}
return number;
};
/**
* Starts the viewfinder and the camera
*/
ioctls.maCameraStart = delegate()
{
initCamera();
MoSync.Util.RunActionOnMainThreadSync(() =>
{
mCameraPrev.StartViewFinder();
});
return 0;
};
/**
* stops the view finder and the camera.
*/
ioctls.maCameraStop = delegate()
{
MoSync.Util.RunActionOnMainThreadSync(() =>
{
mCameraPrev.StopViewFinder();
});
return 0;
};
/**
* Adds a previewWidget to the camera controller in devices that support native UI.
*/
ioctls.maCameraSetPreview = delegate(int _widgetHandle)
{
// if the camera is not initialized, we need to initialize it before
// setting the preview
if (!isCameraInitialized)
{
initCamera();
}
IWidget w = runtime.GetModule<NativeUIModule>().GetWidget(_widgetHandle);
if (w.GetType() != typeof(MoSync.NativeUI.CameraPreview))
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
}
mCameraPrev = (NativeUI.CameraPreview)w;
mCameraPrev.SetViewFinderContent(mVideoBrush);
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Returns the number of available Camera on the device.
*/
ioctls.maCameraNumber = delegate()
{
if (PhotoCamera.IsCameraTypeSupported(CameraType.FrontFacing) && PhotoCamera.IsCameraTypeSupported(CameraType.Primary))
return 2;
else if (PhotoCamera.IsCameraTypeSupported(CameraType.FrontFacing) || PhotoCamera.IsCameraTypeSupported(CameraType.Primary))
return 1;
return 0;
};
/**
* Captures an image and stores it as a new data object in the
* supplied placeholder.
* @param _formatIndex int the required format.
* @param _placeHolder int the placeholder used for storing the image.
*/
ioctls.maCameraSnapshot = delegate(int _formatIndex, int _placeHolder)
{
AutoResetEvent are = new AutoResetEvent(false);
System.Windows.Size dim;
if (GetCameraFormat(_formatIndex, out dim) == false)
return MoSync.Constants.MA_CAMERA_RES_FAILED;
mCamera.Resolution = dim;
if (mCameraSnapshotDelegate != null)
mCamera.CaptureImageAvailable -= mCameraSnapshotDelegate;
mCameraSnapshotDelegate = delegate(object o, ContentReadyEventArgs args)
{
MoSync.Util.RunActionOnMainThreadSync(() =>
{
Resource res = runtime.GetResource(MoSync.Constants.RT_PLACEHOLDER, _placeHolder);
Stream data = args.ImageStream;
MemoryStream dataMem = new MemoryStream((int)data.Length);
MoSync.Util.CopySeekableStreams(data, 0, dataMem, 0, (int)data.Length);
res.SetInternalObject(dataMem);
});
are.Set();
};
mCamera.CaptureImageAvailable += mCameraSnapshotDelegate;
mCamera.CaptureImage();
are.WaitOne();
return 0;
};
/**
* Sets the property represented by the string situated at the
* _property address with the value situated at the _value address.
* @param _property int the property name address
* @param _value int the value address
*
* Note: the fallowing properties are not available on windows phone
* MA_CAMERA_FOCUS_MODE, MA_CAMERA_IMAGE_FORMAT, MA_CAMERA_ZOOM,
* MA_CAMERA_MAX_ZOOM.
*/
ioctls.maCameraSetProperty = delegate(int _property, int _value)
{
// if the camera is not initialized, we cannot access any of its properties
if (!isCameraInitialized)
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
String property = core.GetDataMemory().ReadStringAtAddress(_property);
String value = core.GetDataMemory().ReadStringAtAddress(_value);
if (property.Equals(MoSync.Constants.MA_CAMERA_FLASH_MODE))
{
if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_ON))
{
mCamera.FlashMode = FlashMode.On;
mFlashMode = FlashMode.On;
}
else if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_OFF))
{
mCamera.FlashMode = FlashMode.Off;
mFlashMode = FlashMode.Off;
}
else if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_AUTO))
{
mCamera.FlashMode = FlashMode.Auto;
mFlashMode = FlashMode.Auto;
}
else return MoSync.Constants.MA_CAMERA_RES_INVALID_PROPERTY_VALUE;
return MoSync.Constants.MA_CAMERA_RES_OK;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_FOCUS_MODE))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_IMAGE_FORMAT))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_ZOOM))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_MAX_ZOOM))
{
return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
}
else return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
};
/**
* Selects a camera from the avalable ones;
* in this eigther the back or the front camera is
* chosen
*/
ioctls.maCameraSelect = delegate(int _camera)
{
// if the camera is not initialized, we cannot access any of its properties
if (!isCameraInitialized)
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
}
if ( MoSync.Constants.MA_CAMERA_CONST_BACK_CAMERA == _camera)
{
if (mCamera.CameraType != CameraType.Primary)
{
mCameraType = CameraType.Primary;
initCamera();
}
}
else if (MoSync.Constants.MA_CAMERA_CONST_FRONT_CAMERA == _camera)
{
if (mCamera.CameraType != CameraType.FrontFacing)
{
mCameraType = CameraType.FrontFacing;
initCamera();
}
}
else return MoSync.Constants.MA_CAMERA_RES_FAILED;
return MoSync.Constants.MA_CAMERA_RES_OK;
};
/**
* Retrieves the specified property value in the given buffer.
* @param _property int the address for the property string
* @param _value int the address for the property value string (the buffer)
* @param _bufSize int the buffer size
*/
ioctls.maCameraGetProperty = delegate(int _property, int _value, int _bufSize)
{
String property = core.GetDataMemory().ReadStringAtAddress(_property);
if (property.Equals(MoSync.Constants.MA_CAMERA_MAX_ZOOM))
{
core.GetDataMemory().WriteStringAtAddress(
_value,
"0",
_bufSize);
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_ZOOM_SUPPORTED))
{
core.GetDataMemory().WriteStringAtAddress(
_value,
"false",
_bufSize);
}
else if (property.Equals(MoSync.Constants.MA_CAMERA_FLASH_SUPPORTED))
{
core.GetDataMemory().WriteStringAtAddress(
_value,
"true",
_bufSize);
}
else return MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED;
return 0;
};
ioctls.maCameraRecord = delegate(int _stopStartFlag)
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
};
}
public void Init(Ioctls ioctls, Core core, Runtime runtime)
{
mCamera = new PhotoCamera(CameraType.Primary);
mVideoBrush = new VideoBrush();
mVideoBrush.SetSource(mCamera);
mVideoBrush.Stretch = Stretch.Uniform;
runtime.RegisterCleaner(delegate()
{
mCamera.Dispose();
mCamera = null;
});
// this should be set according to the orientation of
// the device I guess.
mVideoBrush.RelativeTransform = new CompositeTransform()
{
CenterX = 0.5,
CenterY = 0.5,
Rotation = 90
};
ioctls.maCameraFormat = delegate(int _index, int _fmt)
{
System.Windows.Size dim;
if (GetCameraFormat(_index, out dim) == false)
return MoSync.Constants.MA_CAMERA_RES_FAILED;
core.GetDataMemory().WriteInt32(_fmt + MoSync.Struct.MA_CAMERA_FORMAT.width,
(int)dim.Width);
core.GetDataMemory().WriteInt32(_fmt + MoSync.Struct.MA_CAMERA_FORMAT.height,
(int)dim.Height);
return MoSync.Constants.MA_CAMERA_RES_OK;
};
ioctls.maCameraFormatNumber = delegate()
{
IEnumerable<System.Windows.Size> res = mCamera.AvailableResolutions;
if (res == null) return 0;
IEnumerator<System.Windows.Size> resolutions = res.GetEnumerator();
resolutions.MoveNext();
int number = 0;
while (resolutions.Current != null)
{
number++;
}
return number;
};
ioctls.maCameraStart = delegate()
{
return 0;
};
ioctls.maCameraStop = delegate()
{
return 0;
};
ioctls.maCameraSetPreview = delegate(int _widgetHandle)
{
// something like
// videoBrush = ((CameraViewFinder)runtime.GetModule<MoSyncNativeUIModule>.GetWidget(_widgetHandle)).GetBrush();
// videoBrush.SetSource(mCamera)
IWidget w = runtime.GetModule<NativeUIModule>().GetWidget(_widgetHandle);
if (w.GetType() != typeof(MoSync.NativeUI.CameraPreview))
{
return MoSync.Constants.MA_CAMERA_RES_FAILED;
}
NativeUI.CameraPreview prev = (NativeUI.CameraPreview)w;
System.Windows.Controls.Canvas canvas = prev.GetViewFinderCanvas();
MoSync.Util.RunActionOnMainThreadSync(() =>
{
canvas.Background = mVideoBrush;
});
return 0;
};
ioctls.maCameraSelect = delegate(int _cameraNumber)
{
CameraType cameraType = CameraType.Primary;
if(_cameraNumber == MoSync.Constants.MA_CAMERA_CONST_BACK_CAMERA)
{
cameraType = CameraType.Primary;
}
else if(_cameraNumber == MoSync.Constants.MA_CAMERA_CONST_FRONT_CAMERA)
{
cameraType = CameraType.FrontFacing;
}
if(mCamera==null || mCamera.CameraType != cameraType)
{
mCamera = new PhotoCamera(cameraType);
if(mVideoBrush == null)
mVideoBrush = new VideoBrush();
mVideoBrush.SetSource(mCamera);
}
return 0;
};
ioctls.maCameraNumber = delegate()
{
// front facing and back facing is the standard I believe.
return 2;
};
ioctls.maCameraSnapshot = delegate(int _formatIndex, int _placeHolder)
{
AutoResetEvent are = new AutoResetEvent(false);
System.Windows.Size dim;
if (GetCameraFormat(_formatIndex, out dim) == false)
return MoSync.Constants.MA_CAMERA_RES_FAILED;
mCamera.Resolution = dim;
if (mCameraSnapshotDelegate != null)
mCamera.CaptureImageAvailable -= mCameraSnapshotDelegate;
mCameraSnapshotDelegate = delegate(object o, ContentReadyEventArgs args)
{
MoSync.Util.RunActionOnMainThreadSync(() =>
{
Resource res = runtime.GetResource(MoSync.Constants.RT_PLACEHOLDER, _placeHolder);
Stream data = args.ImageStream;
Memory dataMem = new Memory((int)data.Length);
dataMem.WriteFromStream(0, data, (int)data.Length);
res.SetInternalObject(dataMem);
});
are.Set();
};
mCamera.CaptureImageAvailable += mCameraSnapshotDelegate;
mCamera.CaptureImage();
are.WaitOne();
return 0;
};
ioctls.maCameraSetProperty = delegate(int _property, int _value)
{
return 0;
};
ioctls.maCameraSelect = delegate(int _camera)
{
return 0;
};
ioctls.maCameraGetProperty = delegate(int _property, int _value, int _bufSize)
{
String property = core.GetDataMemory().ReadStringAtAddress(_property);
if (property.Equals(MoSync.Constants.MA_CAMERA_MAX_ZOOM))
{
core.GetDataMemory().WriteStringAtAddress(
_value,
"0",
_bufSize);
}
return 0;
};
ioctls.maCameraRecord = delegate(int _stopStartFlag)
{
return 0;
};
}