private void ShutterButton_Click(object sender, RoutedEventArgs e)
{
if (cam != null)
{
try
{
// Start image capture.
cam.CaptureImage();
}
catch (Exception ex) { LittleWatson.ReportException(ex); }
}
}
private void TakePicture_Click(object sender, RoutedEventArgs e)
{
if (cam != null)
{
try
{
// Start image capture.
cam.CaptureImage();
}
catch (Exception ex)
{
this.Dispatcher.BeginInvoke(delegate()
{
// Cannot capture an image until the previous capture has completed.
// txtDebug.Text = ex.Message;
});
}
}
string fileName = "isostore:" + savedCounter + "_th.jpg";
// Create a new picture caption item based on the text box.
PhotoItem newPhoto = new PhotoItem {
PhotoCaption = newCaptionTextBox.Text, PhotoFileName = fileName
};
// Add a to-do item to the observable collection.
App.ViewModel.AddNewPhoto(newPhoto);
}
/// <summary>
/// Called when the picture is requred
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void cameraPreview_PictureRequired(object sender, EventArgs e)
{
if (camera_ != null)
{
camera_.CaptureImage();
}
}
private void CaptureImage_Click(object sender, EventArgs e)
{
if (cam != null)
{
cam.CaptureImage();
}
}
private void ShutterButtonClick1(object sender, RoutedEventArgs e)
{
if (_cam == null)
{
return;
}
_cam.CaptureImage();
}
private void Click_CompassOnOff(object sender, EventArgs e)
{
if (compas_running == true)
{
if (camera_running == true)
{
try
{
Camera_Source.CaptureImageAvailable += new System.EventHandler <ContentReadyEventArgs>(Camera_Image_Available);
Camera_Source.FlashMode = FlashMode.Off;
Camera_Source.CaptureImage();
}
catch (InvalidOperationException)
{
MessageBox.Show(" La caméra n'a pas eu le temps de s'initialiser.");
}
}
Boussolle_Get_Timer.Stop();
Accelerometre_Get_Timer.Stop();
etat_TextBlock.Text = " Pause";
compas_running = false;
}
else
{
if (Boussolle_Get_Timer == null)
{
Boussolle_Get_Timer = new Compass();
Boussolle_Get_Timer.TimeBetweenUpdates = TimeSpan.FromMilliseconds(timer_get);
Boussolle_Get_Timer.CurrentValueChanged += new EventHandler <SensorReadingEventArgs <CompassReading> >(Boussolle_ValueChanged);
Boussolle_Get_Timer.Calibrate += new EventHandler <CalibrationEventArgs>(Calibration_Start);
}
try
{
etat_TextBlock.Text = " Démarrage...";
Boussolle_Get_Timer.Start();
Accelerometre_Get_Timer = new Accelerometer();
Accelerometre_Get_Timer.CurrentValueChanged += new EventHandler <SensorReadingEventArgs <AccelerometerReading> >(Orientation_ValueChanged);
Accelerometre_Get_Timer.Start();
Accelerometre_Get_Timer = new Accelerometer();
Accelerometre_Get_Timer.CurrentValueChanged += new EventHandler <SensorReadingEventArgs <AccelerometerReading> >(Orientation_ValueChanged);
Accelerometre_Get_Timer.Start();
compas_running = true;
//MessageBox.Show("Reel : " + Boussolle_Get_Timer.TimeBetweenUpdates.TotalMilliseconds + "ms \nPrevu : " + timer_get + "ms \nDisplay : " + timer_display + "ms"); //timer affichage
if (camera_running == false && camera_ison == true)
{
Camera_Ellipse.Fill = Camera_Brush;
Camera_Source = new PhotoCamera(CameraType.Primary);
Camera_Brush.SetSource(Camera_Source);
camera_running = true;
Image_Ellipse.Opacity = 0;
}
}
catch (InvalidOperationException)
{
etat_TextBlock.Text = " Erreur.";
}
}
}
/// <summary>
/// Initiates a full-resolution capture of the current image displayed in the viewfinder.
/// </summary>
public void CaptureImage()
{
try
{
_photoCamera.CaptureImage();
}
catch
{
}
}
private void ShutterButton_Click(object sender, RoutedEventArgs e)
{
if (cam != null)
{
try
{
//Start image capture
cam.CaptureImage();
}
catch (Exception ex)
{
this.Dispatcher.BeginInvoke(delegate()
{
//Can't capture until the previous capture completed
txtDebug.Text = ex.Message;
});
}
}
}
void Camera_CaptureCompleted(object sender, CameraOperationCompletedEventArgs e)
{
// Increments the savedCounter variable used for generating JPEG file names.
SavedCounter++;
Debug.WriteLine(SavedCounter.ToString());
if (IsActive)
{
Camera.CaptureImage();
}
}
void camAutoFocusCompleted(object sender, CameraOperationCompletedEventArgs e)
{
try
{
cam.CaptureImage();
System.Diagnostics.Debug.WriteLine("CaptureImage()");
}
catch
{
}
}
private void TakePhoto()
{
try
{
myCam.CaptureImage();
}
catch (Exception)
{
MessageBox.Show("The camera couldn't take an image, please try again", "CaptureImage() failed",
MessageBoxButton.OK);
}
}
public static Task CaptureImageAsync(this PhotoCamera camera)
{
var taskSource = new TaskCompletionSource <object>();
EventHandler <ContentReadyEventArgs> completed = null;
completed += (s, e) =>
{
camera.CaptureImageAvailable -= completed;
taskSource.SetResult(null);
};
camera.CaptureImageAvailable += completed;
camera.CaptureImage();
return(taskSource.Task);
}
// AACODE: Takes a picture when camera button is clicked
// TODO: enable taking pic on viewfinder tap
private void appBarCamera_Click(object sender, EventArgs e)
{
if (cam != null)
{
try
{
// Start image capture.
cam.CaptureImage();
}
catch (Exception ex)
{
// TODO: Add error handling
}
}
}
void viewfinder_Tapped(object sender, Microsoft.Phone.Controls.GestureEventArgs e)
{
if (cam != null)
{
try
{
cam.CaptureImage();
}
catch (Exception ex)
{
this.Dispatcher.BeginInvoke(delegate()
{
txtMessage.Text = ex.Message;
});
}
}
}
private void settings_Click(object sender, RoutedEventArgs e)
{
if (cam != null)
{
try
{
// Start image capture.
cam.CaptureImage();
}
catch (Exception ex)
{
this.Dispatcher.BeginInvoke(delegate()
{
// Cannot capture an image until the previous capture has completed.
txtDebug.Text = ex.Message;
});
}
}
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
_cam = new PhotoCamera();
previewCanvas.SetSource(_cam);
previewCanvas.RelativeTransform = new CompositeTransform() {CenterX = 0.5, CenterY = 0.5, Rotation = 90};
_cam.CaptureImageAvailable += (sender, args) => {
//var library = new MediaLibrary();
string fileName = "wp8_kochbuch_" + _imgCounter + ".jpg";
_library.SavePictureToCameraRoll(fileName, args.ImageStream);
};
_cam.CaptureCompleted += (sender, args) => { _imgCounter++; };
CameraButtons.ShutterKeyPressed += (sender, args) => _cam.CaptureImage();
CameraButtons.ShutterKeyHalfPressed += (sender, args) => _cam.Focus();
//CameraButtons.ShutterKeyReleased += (sender, args) => { };
base.OnNavigatedTo(e);
}
private void ShutterButton_Click(object sender, RoutedEventArgs e)
{
System.Diagnostics.Debug.WriteLine("ShutterButton_Click");
if (cam != null)
{
try
{
// Start image capture.
cam.CaptureImage();
}
catch (Exception ex)
{
this.Dispatcher.BeginInvoke(delegate()
{
// Cannot capture an image until the previous capture has completed.
txtDebug.Text = ex.Message;
});
}
}
}
private void Shot_Click(object sender, RoutedEventArgs e)
{
if (cam != null)
{
try
{
Deployment.Current.Dispatcher.BeginInvoke(delegate()
{
showNotice("Captured image available, saving picture.");
});
cam.CaptureImage();
}
catch (Exception ex)
{
this.Dispatcher.BeginInvoke(delegate()
{
showNotice(ex.Message);
});
}
}
}
private void ShutterButton_Click(object sender, RoutedEventArgs e)
{
if (cam != null)
{
try
{
// Start image capture.
cam.CaptureImage();
}
catch (Exception ex)
{
this.Dispatcher.BeginInvoke(delegate()
{
// Cannot capture an image until the previous capture has completed.
txtDebug.Text = ex.Message;
});
}
finally
{
// NavigationService.Navigate(new Uri("/Preview.xaml?img=" + savedCounter + ".jpg", UriKind.Relative));
}
}
}
private void like_Click(object sender, EventArgs e)
{
cam.CaptureImage();
}
private void cam_AutoFocusCompleted(object sender, Microsoft.Devices.CameraOperationCompletedEventArgs e)
{
cam.CaptureImage();
}
/**
* 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;
}
});
mRuntime = runtime;
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()
{
if (isCameraSnapshotInProgress)
{
return(MoSync.Constants.MA_CAMERA_RES_SNAPSHOT_IN_PROGRESS);
}
InitCamera();
MoSync.Util.RunActionOnMainThreadSync(() =>
{
mCameraPrev.StartViewFinder();
});
return(0);
};
/**
* stops the view finder and the camera.
*/
ioctls.maCameraStop = delegate()
{
if (isCameraSnapshotInProgress)
{
// We need to post snapshot failed if the camera was stopped during snapshot operation
postSnapshotEvent(snapshotPlaceHolder, mCamera.Resolution,
MoSync.Constants.MA_IMAGE_REPRESENTATION_UNKNOWN, MoSync.Constants.MA_CAMERA_RES_FAILED);
isCameraSnapshotInProgress = false;
}
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)
{
if (isCameraSnapshotInProgress)
{
return(MoSync.Constants.MA_CAMERA_RES_SNAPSHOT_IN_PROGRESS);
}
// If MA_CAMERA_SNAPSHOT_MAX_SIZE is sent via _formatIndex then we
// need to select the biggest available snapshot size/resolution.
if (MoSync.Constants.MA_CAMERA_SNAPSHOT_MAX_SIZE == _formatIndex)
{
_formatIndex = (int)ioctls.maCameraFormatNumber() - 1;
}
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 _placeHolder int the placeholder used for storing the image.
* @param _sizeIndex int the required size index.
*/
ioctls.maCameraSnapshotAsync = delegate(int _placeHolder, int _sizeIndex)
{
if (isCameraSnapshotInProgress)
{
return(MoSync.Constants.MA_CAMERA_RES_SNAPSHOT_IN_PROGRESS);
}
// If MA_CAMERA_SNAPSHOT_MAX_SIZE is sent via _sizeIndex then we
// need to select the biggest available snapshot size/resolution.
if (MoSync.Constants.MA_CAMERA_SNAPSHOT_MAX_SIZE == _sizeIndex)
{
_sizeIndex = (int)ioctls.maCameraFormatNumber() - 1;
}
System.Windows.Size dim;
if (GetCameraFormat(_sizeIndex, 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(() =>
{
// If the camera was stopped and this delegate was still called then we do nothing here
// because in maCameraStop we already send the snapshot failed event.
if (!isCameraSnapshotInProgress)
{
return;
}
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)
{
// This is for the front camera.
if (mCamera.CameraType != CameraType.Primary)
{
rotateAngle = 270;
}
else
{
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;
}
Resource res = runtime.GetResource(MoSync.Constants.RT_PLACEHOLDER, _placeHolder);
MemoryStream dataMem = new MemoryStream((int)data.Length);
MoSync.Util.CopySeekableStreams(data, 0, dataMem, 0, (int)data.Length);
res.SetInternalObject(dataMem);
postSnapshotEvent(_placeHolder, mCamera.Resolution,
MoSync.Constants.MA_IMAGE_REPRESENTATION_RAW, MoSync.Constants.MA_CAMERA_RES_OK);
isCameraSnapshotInProgress = false;
});
};
mCamera.CaptureImageAvailable += mCameraSnapshotDelegate;
mCamera.CaptureImage();
snapshotPlaceHolder = _placeHolder;
isCameraSnapshotInProgress = true;
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.IsFlashModeSupported(FlashMode.On))
{
mCamera.FlashMode = FlashMode.On;
mFlashMode = FlashMode.On;
}
else if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_OFF) && mCamera.IsFlashModeSupported(FlashMode.Off))
{
mCamera.FlashMode = FlashMode.Off;
mFlashMode = FlashMode.Off;
}
else if (value.Equals(MoSync.Constants.MA_CAMERA_FLASH_AUTO) && mCamera.IsFlashModeSupported(FlashMode.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();
MoSync.Util.RunActionOnMainThreadSync(() =>
{
SetInitialCameraOrientation(currentPage);
}
);
}
}
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))
{
/*
* Since we cannot see if flash is supported because the camera may be not
* fully initialized when this is called, we assume that each windows phone
* has flash support for primary camera but not for the from camera.
*/
String result = "true";
if (mCamera.CameraType != CameraType.Primary)
{
result = "false";
}
core.GetDataMemory().WriteStringAtAddress(
_value,
result,
_bufSize);
}
else
{
return(MoSync.Constants.MA_CAMERA_RES_PROPERTY_NOTSUPPORTED);
}
return(0);
};
ioctls.maCameraRecord = delegate(int _stopStartFlag)
{
return(MoSync.Constants.MA_CAMERA_RES_FAILED);
};
}
/// <summary>
/// Initiates a full-resolution capture of the current image displayed in the viewfinder
/// </summary>
/// <remarks>
/// This method is already protected and only called when the service is currently running.
/// </remarks>
protected override void CaptureCameraImage()
{
_photoCamera.CaptureImage();
}
private void cameraButtons_ShutterKeyPressed(object sender, EventArgs e)
{
camera.CaptureImage();
}
public CameraViewModel()
{
SetUpCameraCommand = new RelayCommand <NavigationEventArgs>((e) =>
{
// Check to see if the camera is available on the phone.
if ((PhotoCamera.IsCameraTypeSupported(CameraType.Primary) == true) ||
(PhotoCamera.IsCameraTypeSupported(CameraType.FrontFacing) == true))
{
// Initialize the camera, when available.
if (PhotoCamera.IsCameraTypeSupported(CameraType.FrontFacing))
{
// Use front-facing camera if available.
cam = new PhotoCamera(CameraType.FrontFacing);
}
else
{
// Otherwise, use standard camera on back of phone.
cam = new PhotoCamera(CameraType.Primary);
}
//// Event is fired when the PhotoCamera object has been initialized.
//cam.Initialized += new EventHandler<Microsoft.Devices.CameraOperationCompletedEventArgs>(cam_Initialized);
// Event is fired when the capture sequence is complete.
//cam.CaptureCompleted += new EventHandler<CameraOperationCompletedEventArgs>(cam_CaptureCompleted);
//// Event is fired when the capture sequence is complete and an image is available.
cam.CaptureImageAvailable += new EventHandler <Microsoft.Devices.ContentReadyEventArgs>(cam_CaptureImageAvailable);
//// Event is fired when the capture sequence is complete and a thumbnail image is available.
//cam.CaptureThumbnailAvailable += new EventHandler<ContentReadyEventArgs>(cam_CaptureThumbnailAvailable);
CameraBackground = new VideoBrush();
CameraBackground.SetSource(cam);
CameraBackground.Stretch = Stretch.Uniform;
}
else
{
// TODO The camera is not supported on the phone, do something smart
}
});
CleanUpCameraCommand = new RelayCommand <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;
}
});
TakePhotoCommand = new RelayCommand(() =>
{
if (cam != null)
{
try
{
// Start image capture.
cam.CaptureImage();
}
catch
{
// TODO
}
}
});
}
private void PhotoButton_Click(object sender, EventArgs e)
{
photoCamera.CaptureImage();
}
/**
* Initializing the ioctls.
*/
public void Init(Ioctls ioctls, Core core, Runtime runtime)
{
mCamera = new PhotoCamera(mCameraType);
mVideoBrush = new VideoBrush();
mVideoBrush.SetSource(mCamera);
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
};
/**
* 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 camera output formats avalable.
*/
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++;
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)
{
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)
{
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 ( 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;
};
}