private async void ViewfinderCanvas_Tap(object sender, System.Windows.Input.GestureEventArgs e)
{
var point = e.GetPosition(ViewfinderCanvas);
var bitmap = new WriteableBitmap((int)ViewfinderCanvas.ActualWidth, (int)ViewfinderCanvas.ActualHeight);
using (var source = new CameraPreviewImageSource(App.Camera))
using (var effect = new FilterEffect(source))
using (var renderer = new WriteableBitmapRenderer(effect, bitmap, OutputOption.Stretch))
{
effect.Filters = new List <IFilter>()
{
new RotationFilter(_rotationFilter.RotationAngle)
};
await renderer.RenderAsync();
var picked = bitmap.Pixels[((int)point.Y) * bitmap.PixelWidth + ((int)point.X)];
_color = new Color
{
A = 0xFF,
R = (byte)((picked & 0x00FF0000) >> 16),
G = (byte)((picked & 0x0000FF00) >> 8),
B = (byte)(picked & 0x000000FF)
};
}
ColorBorder.Background = new SolidColorBrush(_color);
}
private void Cleanup()
{
System.Diagnostics.Debug.WriteLine("Cleaning up scanner");
try
{
_Ready = false;
_Done = true;
_Rendering = true;
_Controller = null;
_ImagePreview = null;
_Effects = null;
_Render.Dispose();
_Render = null;
_Image = null;
_Source.StopPreviewAsync();
_Source.PreviewFrameAvailable -= OnPreviewFrameAvailable;
_Source.Dispose();
_Source = null;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Cleaning up scanner. {0}", ex.Message);
}
}
private void Uninitialize()
{
_initialized = false;
if (_timer != null)
{
_timer.Stop();
_timer.Tick -= DispatcherTimer_Tick;
_timer = null;
}
if (_renderer != null)
{
_renderer.Dispose();
_renderer = null;
}
if (_effect != null)
{
_effect.Dispose();
_effect = null;
}
_filters = null;
_chromaKeyFilter = null;
_rotationFilter = null;
_bitmap = null;
if (_source != null)
{
_source.Dispose();
_source = null;
}
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
Status = "Starting camera...";
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
PreviewBitmap = bitmap;
// Create a filter effect to be used with the source (no filters yet)
_effect = new FilterEffect(_cameraPreviewImageSource);
_writeableBitmapRenderer = new WriteableBitmapRenderer(_effect, _writeableBitmap);
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
Status = _filterList[_index].Name;
Initialized = true;
NextFilterCommand.RaiseCanExecuteChanged();
PreviousFilterCommand.RaiseCanExecuteChanged();
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
Status = "Starting camera...";
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
DeviceInformationCollection devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.Enumeration.DeviceClass.VideoCapture);
String backCameraId = devices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Back).Id;
await _cameraPreviewImageSource.InitializeAsync(backCameraId);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
PreviewBitmap = bitmap;
// Create a filter effect to be used with the source (no filters yet)
_writeableBitmapRenderer = new WriteableBitmapRenderer(_cameraPreviewImageSource, _writeableBitmap);
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
Status = "Initialized";
Initialized = true;
}
private async Task InitCamera()
{
var devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.Enumeration.DeviceClass.VideoCapture);
string deviceId = devices.FirstOrDefault(d => d.EnclosureLocation.Panel != Windows.Devices.Enumeration.Panel.Front).Id;
_Source = new CameraPreviewImageSource();
await _Source.InitializeAsync(deviceId);
_Source.PreviewFrameAvailable += OnPreviewFrameAvailable;
// set auto focus
_Controller = (VideoDeviceController)_Source.VideoDeviceController;
if (_Controller.FocusControl.Supported)
{
try
{
if (_Controller.FocusControl.WaitForFocusSupported)
{
_Controller.FocusControl.Configure(new FocusSettings {
Mode = FocusMode.Continuous
});
}
else
{
_Controller.FocusControl.Configure(new FocusSettings {
Mode = FocusMode.Auto
});
}
}
catch
{
_Controller.FocusControl.Configure(new FocusSettings {
Mode = FocusMode.Auto
});
}
}
if (_Controller.FlashControl.Supported)
{
_Controller.FlashControl.Auto = true;
}
if (_Controller.ExposureControl.Supported)
{
_Controller.ExposureControl.SetAutoAsync(true);
}
_Image = new WriteableBitmap((int)Window.Current.Bounds.Width, (int)Window.Current.Bounds.Height);
// filters
_Effects = new FilterEffect(_Source);
_Effects.Filters = new IFilter[] { new GrayscaleFilter() };
_Render = new WriteableBitmapRenderer(_Effects, _Image);
_Ready = true;
}
private async void Init()
{
//Get back camera
var devices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
var backCameraId =
devices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == Panel.Back).Id;
//Start preview
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(backCameraId);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
//Setup preview
_width = 640.0;
_height = _width / properties.Width * properties.Height;
var bitmap = new WriteableBitmap((int)_width, (int)_height);
_writeableBitmap = bitmap;
PreviewImage.Source = _writeableBitmap;
_writeableBitmapRenderer = new WriteableBitmapRenderer(_cameraPreviewImageSource, _writeableBitmap);
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
_videoDevice = (VideoDeviceController)_cameraPreviewImageSource.VideoDeviceController;
//Set timer for auto focus
if (_videoDevice.FocusControl.Supported)
{
var focusSettings = new FocusSettings
{
AutoFocusRange = AutoFocusRange.Macro,
Mode = FocusMode.Auto,
WaitForFocus = false,
DisableDriverFallback = false
};
_videoDevice.FocusControl.Configure(focusSettings);
_timer = new DispatcherTimer
{
Interval = new TimeSpan(0, 0, 0, 2, 0)
};
_timer.Tick += TimerOnTick;
_timer.Start();
}
await _videoDevice.ExposureControl.SetAutoAsync(true);
_initialized = true;
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
if (CaptureButton.Content.ToString().Equals("Capture and Canny"))
{
CaptureButton.Content = "Stop";
// Create a camera preview image source (from Imaging SDK)
if (_cameraPreviewImageSource == null)
{
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
}
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
_writeableBitmap = bitmap;
// Create a filter effect to be used with the source (e.g. used to correct rotation)
//_effect = new FilterEffect(_cameraPreviewImageSource);
//_effect.Filters = new IFilter[] { new RotationFilter(90.0) };
//_writeableBitmapRenderer = new WriteableBitmapRenderer(_effect, _writeableBitmap);
RotationEffect rotation = new RotationEffect(_cameraPreviewImageSource, 90);
_writeableBitmapRenderer = new WriteableBitmapRenderer(rotation, _writeableBitmap);
//_writeableBitmapRenderer.Source = new EffectList() { _cameraPreviewImageSource, rotation };
//_writeableBitmapRenderer.WriteableBitmap = _writeableBitmap;
ImageView.Source = _writeableBitmap;
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
}
else
{
if (CaptureButton.Content.ToString().Equals("Stop"))
{
await _cameraPreviewImageSource.StopPreviewAsync();
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
CaptureButton.Content = "Capture and Canny";
ImageView.Source = null;
}
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
if (CaptureButton.Content.ToString().Equals("Capture and Canny"))
{
CaptureButton.Content = "Stop";
// Create a camera preview image source (from Imaging SDK)
if (_cameraPreviewImageSource == null)
{
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
}
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
_writeableBitmap = bitmap;
// Create a filter effect to be used with the source (e.g. used to correct rotation)
//_effect = new FilterEffect(_cameraPreviewImageSource);
//_effect.Filters = new IFilter[] { new RotationFilter(90.0) };
//_writeableBitmapRenderer = new WriteableBitmapRenderer(_effect, _writeableBitmap);
RotationEffect rotation = new RotationEffect(_cameraPreviewImageSource, 90);
_writeableBitmapRenderer = new WriteableBitmapRenderer(rotation, _writeableBitmap);
//_writeableBitmapRenderer.Source = new EffectList() { _cameraPreviewImageSource, rotation };
//_writeableBitmapRenderer.WriteableBitmap = _writeableBitmap;
ImageView.Source = _writeableBitmap;
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
}
else
{
if (CaptureButton.Content.ToString().Equals("Stop"))
{
await _cameraPreviewImageSource.StopPreviewAsync();
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
CaptureButton.Content = "Capture and Canny";
ImageView.Source = null;
}
}
protected override void CloseMedia()
{
if (frameStream != null)
{
frameStream.Close();
frameStream = null;
}
cameraPreviewImageSource = null;
photoCaptureDevice = null;
frameBufferSize = 0;
frameBuffer = null;
videoStreamDescription = null;
}
private async void Initialize()
{
var cameraId = await ViewModel.GetCameraIdAsync(Windows.Devices.Enumeration.Panel.Back);
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(cameraId.Id);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
_width = Window.Current.Bounds.Width;
_height = Window.Current.Bounds.Height;
var bitmap = new WriteableBitmap((int)_width, (int)_height);
_writeableBitmap = bitmap;
PreviewImage.Source = _writeableBitmap;
_writeableBitmapRenderer = new WriteableBitmapRenderer(_cameraPreviewImageSource, _writeableBitmap);
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
_videoDevice = (VideoDeviceController)_cameraPreviewImageSource.VideoDeviceController;
if (_videoDevice.FocusControl.Supported)
{
var focusSettings = new FocusSettings
{
AutoFocusRange = AutoFocusRange.Macro,
Mode = FocusMode.Auto,
WaitForFocus = false,
DisableDriverFallback = false
};
_videoDevice.FocusControl.Configure(focusSettings);
_timer = new DispatcherTimer
{
Interval = TimeSpan.FromSeconds(2)
};
_timer.Tick += OnTick;
_timer.Start();
}
await _videoDevice.ExposureControl.SetAutoAsync(true);
_initialized = true;
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
if (CaptureButton.Content.ToString().Equals("Capture and Canny"))
{
LoadButton.Visibility = Visibility.Collapsed;
CaptureButton.Content = "Stop";
// Create a camera preview image source (from Imaging SDK)
if (_cameraPreviewImageSource == null)
{
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
}
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
_writeableBitmap = bitmap;
// Create a filter effect to be used with the source (no filters yet)
//_effect = new FilterEffect(_cameraPreviewImageSource);
//_writeableBitmapRenderer = new WriteableBitmapRenderer(_effect, _writeableBitmap);
_writeableBitmapRenderer = new WriteableBitmapRenderer(_cameraPreviewImageSource, _writeableBitmap);
ImageView.Source = _writeableBitmap;
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
}
else
{
if (CaptureButton.Content.ToString().Equals("Stop"))
{
await _cameraPreviewImageSource.StopPreviewAsync();
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
CaptureButton.Content = "Capture and Canny";
LoadButton.Visibility = Visibility.Visible;
ImageView.Source = null;
}
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
if (CaptureButton.Content.ToString().Equals("Capture and Canny"))
{
LoadButton.Visibility = Visibility.Collapsed;
CaptureButton.Content = "Stop";
// Create a camera preview image source (from Imaging SDK)
if (_cameraPreviewImageSource == null)
{
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
}
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width/properties.Width)*properties.Height;
var bitmap = new WriteableBitmap((int) width, (int) height);
_writeableBitmap = bitmap;
// Create a filter effect to be used with the source (no filters yet)
//_effect = new FilterEffect(_cameraPreviewImageSource);
//_writeableBitmapRenderer = new WriteableBitmapRenderer(_effect, _writeableBitmap);
_writeableBitmapRenderer = new WriteableBitmapRenderer(_cameraPreviewImageSource, _writeableBitmap);
ImageView.Source = _writeableBitmap;
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
}
else
{
if (CaptureButton.Content.ToString().Equals("Stop"))
{
await _cameraPreviewImageSource.StopPreviewAsync();
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
CaptureButton.Content = "Capture and Canny";
LoadButton.Visibility = Visibility.Visible;
ImageView.Source = null;
}
}
private void Initialize()
{
// Initialize camera
var rotation = App.Camera.SensorLocation == CameraSensorLocation.Back ?
App.Camera.SensorRotationInDegrees : -App.Camera.SensorRotationInDegrees;
ViewfinderBrush.SetSource(App.Camera);
ViewfinderBrushTransform.Rotation = rotation;
// Setup image processing pipeline
_source = new CameraPreviewImageSource(App.Camera);
_rotationFilter = new RotationFilter(rotation);
_chromaKeyFilter = new ChromaKeyFilter();
_filters = new List <IFilter> {
_rotationFilter, _chromaKeyFilter
};
_effect = new FilterEffect(_source)
{
Filters = _filters
};
_bitmap = new WriteableBitmap((int)App.Camera.PreviewResolution.Width, (int)App.Camera.PreviewResolution.Height);
_renderer = new WriteableBitmapRenderer(_effect, _bitmap, OutputOption.Stretch);
FilteredImage.Source = _bitmap;
_color = Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF);
ColorBorder.Background = new SolidColorBrush(_color);
// Start rendering timer
_timer = new DispatcherTimer {
Interval = TimeSpan.FromMilliseconds(10)
};
_timer.Tick += DispatcherTimer_Tick;
_timer.Start();
_initialized = true;
}
}//hide progressBar
private async Task DisposeResourcesAsync()
{
HideCommandBar();
DisposeArray();
if (bitmapRenderer != null)
{
bitmapRenderer.Dispose();
}
bitmapRenderer = null;
if (isPreviewing && (cameraSource != null))
{
await cameraSource.StopPreviewAsync();
cameraSource.Dispose();
}
cameraSource = null;
GC.Collect();
}//dispose page resources
private void Uninitialize()
{
if (_cameraPreviewImageSource != null)
{
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
if (_blendEffect != null)
{
_blendEffect.Dispose();
_blendEffect = null;
}
if (_blendImageProvider != null)
{
_blendImageProvider = null;
}
}
}//find backCamera and frontCamera
private async Task InitializePreviewAsync()
{
//initialize cameraSource
cameraSource = new CameraPreviewImageSource();
await cameraSource.InitializeAsync(currentCamera.Id);
//supply rendering cameraSource`s frames
var properties = await cameraSource.StartPreviewAsync();
cameraSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
isPreviewing = true; isPreviEwenabled = false;
HideProgressBar();
//crop frames smartly
int width; int height;
if (properties.Width < Width || properties.Height < Height)
{
width = (int)properties.Width; height = (int)properties.Height;
}
else
{
width = 360; height = 640;
}
//connect rendered bitmap with image
currentWriteableBitmap = new WriteableBitmap(width, height);
image.Source = currentWriteableBitmap;
//create rotation effecr
int rotationIndex = (currentCamera == backCamera) ? 90 : 270;
RotationFilter _rotationFilter = new RotationFilter(rotationIndex);
var _filters = new List <IFilter>();
_filters.Add(_rotationFilter);
var _effect = new FilterEffect(cameraSource);
_effect.Filters = _filters;
//finally create renderer based on effect and bitmap we are going to render
bitmapRenderer = new WriteableBitmapRenderer(_effect, currentWriteableBitmap);
}//initialize preview resources
private void Uninitialize()
{
if (_cameraPreviewImageSource != null)
{
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
if (_filterEffect != null)
{
_filterEffect.Dispose();
_filterEffect = null;
}
if (_customEffect != null)
{
_customEffect.Dispose();
_customEffect = null;
}
}
public FrameStreamSource(PhotoCaptureDevice pcd, ObservableCollection <LiveFilter> liveFilters)
{
this.photoCaptureDevice = pcd;
var smallestPreview = this.photoCaptureDevice.PreviewResolution;
this.liveFilters = liveFilters;
if (this.liveFilters == null || this.liveFilters.Count == 0)
{
this.liveFilters = new ObservableCollection <LiveFilter>();
}
this.liveFilters.Insert(0, LiveFilter.None);
currentFilterIndex = 0;
ConvertFilterEnumToIFilter(this.liveFilters[currentFilterIndex]);
cameraPreviewImageSource = new CameraPreviewImageSource(photoCaptureDevice);
frameSize = new Size(smallestPreview.Width / 2, smallestPreview.Height / 2);
frameBufferSize = (int)frameSize.Width * (int)frameSize.Height * 4; // RGBA
frameBuffer = new byte[frameBufferSize];
frameStream = new MemoryStream(frameBuffer);
}
public async Task InitializeAsync()
{
_timeout = BarCodeManager.MaxTry;
_sw.Restart();
_capturing = true;
_cleanedUp = false;
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
// La sélection de la caméra arrière plante sur mon device :/
//var devices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
//var backCamera = devices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Back);
//await _cameraPreviewImageSource.InitializeAsync(backCamera.Id);
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
vdc = (VideoDeviceController)_cameraPreviewImageSource.VideoDeviceController;
if (vdc.FocusControl.Supported)
{
vdc.FocusControl.Configure(new FocusSettings {
Mode = FocusMode.Auto
});
focus_period = TimeSpan.FromSeconds(5);
}
// Create a preview bitmap with the correct aspect ratio
_width = 640.0;
_height = (_width / properties.Width) * properties.Height;
_writeableBitmap = new WriteableBitmap((int)_width, (int)_height);
captureElement.Source = _writeableBitmap;
_writeableBitmapRenderer = new WriteableBitmapRenderer();
_writeableBitmapRenderer.Source = _cameraPreviewImageSource;
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
}
private bool isRendering; // Used to prevent multiple renderers running at once
public async Task InitializeAsync()
{
// Discover all the cameras
await EnumerateCamerasAsync();
// Create a camera preview image source (from Imaging SDK)
cameraPreviewImageSource = new CameraPreviewImageSource();
await cameraPreviewImageSource.InitializeAsync(backCamera.Id);
var properties = await cameraPreviewImageSource.StartPreviewAsync();
VideoDeviceController controller = (VideoDeviceController)cameraPreviewImageSource.VideoDeviceController;
// Create a preview bitmap with the correct aspect ratio
var width = properties.Width;
var height = properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
outputBitmap = bitmap;
// Create a filter effect to be used with the source (no filters yet)
//effect = new LensBlurEffect(cameraPreviewImageSource, new LensBlurPredefinedKernel(LensBlurPredefinedKernelShape.Circle, 50));
effect = new FilterEffect(cameraPreviewImageSource);
var blur = new BlurFilter();
blur.KernelSize = 30;
blur.BlurRegionShape = BlurRegionShape.Elliptical;
effect.Filters = new[] { blur };
renderer = new WriteableBitmapRenderer(effect, outputBitmap);
Initialized = true;
CaptureImage.Source = outputBitmap;
// Attach preview frame delegate
cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
}
public async void InitializeAsync()
{
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
_writeableBitmap = new WriteableBitmap((int)width, (int)height);
captureElement.Source = _writeableBitmap;
_writeableBitmapRenderer = new WriteableBitmapRenderer();
_jpegRenderer = new JpegRenderer();
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
_initialized = true;
}
private async Task InitCamera()
{
var devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.Enumeration.DeviceClass.VideoCapture);
string deviceId = devices.FirstOrDefault(d => d.EnclosureLocation.Panel != Windows.Devices.Enumeration.Panel.Front).Id;
_Source = new CameraPreviewImageSource();
await _Source.InitializeAsync(deviceId);
_Source.PreviewFrameAvailable += OnPreviewFrameAvailable;
// set auto focus
_Controller = (VideoDeviceController)_Source.VideoDeviceController;
if (_Controller.FocusControl.Supported)
{
try
{
if (_Controller.FocusControl.WaitForFocusSupported)
{
_Controller.FocusControl.Configure(new FocusSettings { Mode = FocusMode.Continuous });
}
else
{
_Controller.FocusControl.Configure(new FocusSettings { Mode = FocusMode.Auto });
}
}
catch
{
_Controller.FocusControl.Configure(new FocusSettings { Mode = FocusMode.Auto });
}
}
if (_Controller.FlashControl.Supported) _Controller.FlashControl.Auto = true;
if (_Controller.ExposureControl.Supported) _Controller.ExposureControl.SetAutoAsync(true);
_Image = new WriteableBitmap((int)Window.Current.Bounds.Width, (int)Window.Current.Bounds.Height);
// filters
_Effects = new FilterEffect(_Source);
_Effects.Filters = new IFilter[] { new GrayscaleFilter() };
_Render = new WriteableBitmapRenderer(_Effects, _Image);
_Ready = true;
}
private void Initialize()
{
var filters = new List<IFilter>();
var nameFormat = "{0}/" + m_EffectCount + " - {1}";
App.AssignedColorCache = new Dictionary<uint, uint>(); // Reset
m_StreamImageSource = new CameraPreviewImageSource(m_PhotoCaptureDevice);
switch (m_EffectIndex)
{
case 0:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "NoEffect");
// Runs at 18 FPS with NoEffect and 18-19 FPS with nothing at all, so NoEffect() costs about 0.5 FPS
m_CustomEffect = new NoEffect(m_StreamImageSource);
}
break;
case 1:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in BrightnessFilter >>> +0.50");
filters.Add(new BrightnessFilter(0.50));
}
break;
case 2:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom BrightnessEffect >>> +0.50");
m_CustomEffect = new BrightnessEffect(m_StreamImageSource, 0.50);
}
break;
case 3:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in BrightnessFilter >>> -0.50");
filters.Add(new BrightnessFilter(-0.50));
}
break;
case 4:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom BrightnessEffect >>> -0.50");
m_CustomEffect = new BrightnessEffect(m_StreamImageSource, -0.50);
}
break;
case 5:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in ColorAdjustFilter >>> Red at -1.0");
filters.Add(new ColorAdjustFilter(-1.0, 0, 0));
}
break;
case 6:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom ColorAdjustEffect >>> Red at -1.0");
m_CustomEffect = new ColorAdjustEffect(m_StreamImageSource, -1.0, 0, 0);
}
break;
case 7:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in ColorAdjustFilter >>> Red at +1.0");
filters.Add(new ColorAdjustFilter(1.0, 0, 0));
}
break;
case 8:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom ColorAdjustEffect >>> Red at +1.0");
m_CustomEffect = new ColorAdjustEffect(m_StreamImageSource, 1.0, 0, 0);
}
break;
case 9:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in ColorAdjustFilter >>> Green at -1.0");
filters.Add(new ColorAdjustFilter(0, -1.0, 0));
}
break;
case 10:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom ColorAdjustEffect >>> Green at -1.0");
m_CustomEffect = new ColorAdjustEffect(m_StreamImageSource, 0, -1.0, 0);
}
break;
case 11:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in ColorAdjustFilter >>> Green at +1.0");
filters.Add(new ColorAdjustFilter(0, 1.0, 0));
}
break;
case 12:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom ColorAdjustEffect >>> Green at +1.0");
m_CustomEffect = new ColorAdjustEffect(m_StreamImageSource, 0, 1.0, 0);
}
break;
case 13:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in ColorAdjustFilter >>> Blue at -1.0");
filters.Add(new ColorAdjustFilter(0, 0, -1.0));
}
break;
case 14:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom ColorAdjustEffect >>> Blue at -1.0");
m_CustomEffect = new ColorAdjustEffect(m_StreamImageSource, 0, 0, -1.0);
}
break;
case 15:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in ColorAdjustFilter >>> Blue at +1.0");
filters.Add(new ColorAdjustFilter(0, 0, 1.0));
}
break;
case 16:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom ColorAdjustEffect >>> Blue at +1.0");
m_CustomEffect = new ColorAdjustEffect(m_StreamImageSource, 0, 0, 1.0);
}
break;
case 17:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in MirrorFilter");
filters.Add(new MirrorFilter());
}
break;
case 18:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom MirrorEffect >>> Horizontal");
m_CustomEffect = new MirrorEffect(m_StreamImageSource, MirrorEffect.MirrorType.Horizontal);
}
break;
case 19:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in MirrorFilter and RotateFilter");
filters.Add(new RotationFilter(270));
filters.Add(new MirrorFilter());
filters.Add(new RotationFilter(90));
}
break;
case 20:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom MirrorEffect >>> Vertical");
m_CustomEffect = new MirrorEffect(m_StreamImageSource, MirrorEffect.MirrorType.Vertical);
}
break;
case 21:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in GrayscaleFilter");
filters.Add(new GrayscaleFilter());
}
break;
case 22:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom GrayscaleEffect");
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource);
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.2126, 0.7152, 0.0722); // Defined Algo 1 - Default
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.212671, 0.71516, 0.072169); // CIE Y Algo
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.500, 0.419, 0.081); // R-Y Algo
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.299, 0.587, 0.114); // Defined Algo 2
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.241, 0.691, 0.068, true); // Defined Algo 3
//Experiments:
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.3333, 0.3333, 0.3333);
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.3990, 0.3870, 0.2140);
m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.3126, 0.5152, 0.0722); // very close to SDK
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.2276, 0.7152, 0.0822);
//m_CustomEffect = new GrayscaleEffect(m_StreamImageSource, 0.2526, 0.6652, 0.0822);
}
break;
case 23:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in GrayscaleNegativeFilter");
filters.Add(new GrayscaleNegativeFilter());
}
break;
case 24:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom GrayscaleNegativeEffect");
m_CustomEffect = new GrayscaleNegativeEffect(m_StreamImageSource);
}
break;
case 25:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in NegativeFilter");
filters.Add(new NegativeFilter());
}
break;
case 26:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom NegativeEffect");
m_CustomEffect = new NegativeEffect(m_StreamImageSource);
}
break;
case 27:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "PixelationEffect - Scale: 5");
m_CustomEffect = new PixelationEffect(m_StreamImageSource, 5);
}
break;
case 28:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "PixelationEffect - Scale: 15");
m_CustomEffect = new PixelationEffect(m_StreamImageSource, 15);
}
break;
case 29:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "PixelationEffect - Scale: 35");
m_CustomEffect = new PixelationEffect(m_StreamImageSource, 35);
}
break;
case 30:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "PsychedelicEffect - Factor: 25 with WarpEffect.Twister - 0.50");
IImageProvider imageEffect = new FilterEffect(m_StreamImageSource)
{
Filters = new List<IFilter>() { new WarpFilter(WarpEffect.Twister, 0.50) }
};
m_CustomEffect = new PsychedelicEffect(imageEffect, 25);
}
break;
case 31:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "PsychedelicEffect - Factor: 50 with WarpEffect.Twister - 0.50");
IImageProvider imageEffect = new FilterEffect(m_StreamImageSource)
{
Filters = new List<IFilter>() { new WarpFilter(WarpEffect.Twister, 0.50) }
};
m_CustomEffect = new PsychedelicEffect(imageEffect, 50);
}
break;
case 32:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "SkipPixelEffect - RowSkip: 3 | ColumnSkip: 3");
m_CustomEffect = new SkipPixelEffect(m_StreamImageSource, 3, 3);
}
break;
case 33:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "SkipPixelEffect - RowSkip: 8 | ColumnSkip: 8");
m_CustomEffect = new SkipPixelEffect(m_StreamImageSource, 8, 8);
}
break;
case 34:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "SkipPixelEffect - RowSkip: 13 | ColumnSkip: 13");
m_CustomEffect = new SkipPixelEffect(m_StreamImageSource, 13, 13);
}
break;
case 35:
{
//// Dismal performance without Cache
//EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "QuantizeColorEffect without Cache - 16 color");
//Dictionary<uint, Color> assignedColorCache = null;
//_customEffect = new QuantizeColorEffect(m_StreamImageSource, ref assignedColorCache,
// null, QuantizeColorEffect.ColorPalette.Color16);
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Inbuilt CartoonFilter");
filters.Add(new CartoonFilter());
}
break;
case 36:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "QuantizeColorEffect with Cache - Half of Web Safe Colors");
m_CustomEffect = new QuantizeColorEffect(m_StreamImageSource, ref App.AssignedColorCache,
null, QuantizeColorEffect.ColorPalette.WebSafeHalf);
}
break;
case 37:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "QuantizeColorEffect with Cache - Web Safe Colors");
m_CustomEffect = new QuantizeColorEffect(m_StreamImageSource, ref App.AssignedColorCache,
null, QuantizeColorEffect.ColorPalette.WebSafe);
}
break;
case 38:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "QuantizeColorEffect with Cache - X11 Colors");
m_CustomEffect = new QuantizeColorEffect(m_StreamImageSource, ref App.AssignedColorCache,
null, QuantizeColorEffect.ColorPalette.X11);
}
break;
case 39:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "QuantizeColorEffect with Cache - 16 Colors");
m_CustomEffect = new QuantizeColorEffect(m_StreamImageSource, ref App.AssignedColorCache,
null, QuantizeColorEffect.ColorPalette.Color16);
}
break;
case 40:
{
List<uint> targetColors = new List<uint>();
targetColors.Add(0xff000000 | (0 << 16) | (0 << 8) | 0); // Black
targetColors.Add(0xff000000 | (0 << 16) | (0 << 8) | 128); // Low Blue (Navy)
targetColors.Add(0xff000000 | (0 << 16) | (128 << 8) | 0); // Low Green (Green)
targetColors.Add(0xff000000 | (0 << 16) | (128 << 128) | 0); // Low Cyan (Teal)
targetColors.Add(0xff000000 | (128 << 16) | (0 << 8) | 0); // Low Red (Maroon)
targetColors.Add(0xff000000 | (175 << 16) | (238 << 8) | 238); // PaleTurquoise
targetColors.Add(0xff000000 | (255 << 16) | (69 << 8) | 0); // OrangeRed
targetColors.Add(0xff000000 | (255 << 16) | (99 << 8) | 71); // Tomato
targetColors.Add(0xff000000 | (255 << 16) | (0 << 8) | 255); // High Magenta (Fuchsia)
targetColors.Add(0xff000000 | (255 << 16) | (165 << 8) | 0); // Orange
targetColors.Add(0xff000000 | (255 << 16) | (255 << 8) | 0); // Yellow
targetColors.Add(0xff000000 | (47 << 16) | (79 << 8) | 79); // DarkSlateGray
targetColors.Add(0xff000000 | (255 << 16) | (255 << 8) | 255); // White
targetColors.Add(0xff000000 | (250 << 16) | (250 << 8) | 210); // LightGoldenrodYellow
targetColors.Add(0xff000000 | (176 << 16) | (196 << 8) | 222); // LightSteelBlue
targetColors.Add(0xff000000 | (255 << 16) | (255 << 8) | 240); // Ivory
targetColors.Add(0xff000000 | (255 << 16) | (245 << 8) | 238); // Seashell
targetColors.Add(0xff000000 | (245 << 16) | (245 << 8) | 220); // Beige
targetColors.Add(0xff000000 | (70 << 16) | (130 << 8) | 180); // SteelBlue
targetColors.Add(0xff000000 | (250 << 16) | (235 << 8) | 215); // AntiqueWhite
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "QuantizeColorEffect with Cache - Custom Colors");
m_CustomEffect = new QuantizeColorEffect(m_StreamImageSource, ref App.AssignedColorCache, targetColors);
}
break;
case 41:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Built-in SepiaFilter");
filters.Add(new SepiaFilter());
}
break;
case 42:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom SepiaEffect - 0.42 (default)");
m_CustomEffect = new SepiaEffect(m_StreamImageSource, 0.42);
}
break;
case 43:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom SepiaEffect - 0.32");
m_CustomEffect = new SepiaEffect(m_StreamImageSource, 0.32);
}
break;
case 44:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom SepiaEffect - 0.62");
m_CustomEffect = new SepiaEffect(m_StreamImageSource, 0.62);
}
break;
case 45:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom CannyEdgeDetection");
m_CustomEffect = new CannyEdgeDetection(m_StreamImageSource);
}
break;
case 46:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom OtsuThresholdEffect");
m_CustomEffect = new OtsuThresholdEffect(m_StreamImageSource);
}
break;
case 47:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom SobelEdgeDetection");
m_CustomEffect = new SobelEdgeDetection(m_StreamImageSource);
}
break;
case 48:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom BlobCounter");
//CannyEdgeDetection gives better performance but sobel is much faster
var sobelDetection = new OtsuThresholdEffect(m_StreamImageSource);
m_CustomEffect = new BlobCounter(sobelDetection)
{
//Draws detected objects as rectangle, for more information http://www.aforgenet.com/articles/shape_checker/
HasPreview = true,
PreviewCount = 10,
ObjectsOrder = NISDKExtendedEffects.Entities.ObjectsOrder.Area
};
}
break;
case 49:
{
EffectName = String.Format(nameFormat, (m_EffectIndex + 1), "Custom QuadTransformation");
NISDKExtendedEffects.Entities.EdgePoints points = new NISDKExtendedEffects.Entities.EdgePoints()
{
TopLeft = new System.Windows.Point(120, 50),
TopRight = new System.Windows.Point(550, 0),
BottomLeft = new System.Windows.Point(100, 440),
BottomRight = new System.Windows.Point(450, 300)
};
//NISDKExtendedEffects.Entities.EdgePoints points = new NISDKExtendedEffects.Entities.EdgePoints()
//{
// TopLeft = new System.Windows.Point(20, 20),
// TopRight = new System.Windows.Point(150, 0),
// BottomLeft = new System.Windows.Point(50, 100),
// BottomRight = new System.Windows.Point(125, 125)
//};
//NISDKExtendedEffects.Entities.EdgePoints points = new NISDKExtendedEffects.Entities.EdgePoints()
//{
// TopLeft = new System.Windows.Point(50, 25),
// TopRight = new System.Windows.Point(625, 35),
// BottomLeft = new System.Windows.Point(25, 475),
// BottomRight = new System.Windows.Point(640, 480)
//};
var estimatedSize = points.EstimatedRectangleSize();
var customEffect = new QuadTransformation(m_StreamImageSource, estimatedSize, NISDKExtendedEffects.Entities.QuadDirection.QuadToRect, points);
var reframingFilter = new ReframingFilter(new Windows.Foundation.Rect(0, 0, estimatedSize.Width, estimatedSize.Height), 0);
m_FilterEffect = new FilterEffect(customEffect)
{
Filters = new IFilter[] { reframingFilter }
};
}
break;
}
if (filters.Count > 0)
{
m_FilterEffect = new FilterEffect(m_StreamImageSource)
{
Filters = filters
};
}
}
private void Uninitialize()
{
if (_cameraPreviewImageSource != null)
{
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
if (_blendEffect != null)
{
_blendEffect.Dispose();
_blendEffect = null;
}
if (_blendImageProvider != null)
{
_blendImageProvider = null;
}
}
private void Initialize()
{
if (_cameraPreviewImageSource == null && _photoCaptureDevice != null)
{
_cameraPreviewImageSource = new CameraPreviewImageSource(_photoCaptureDevice);
}
if (_effectIndex >= 0 && _effectIndex < EffectGroup.Count && _cameraPreviewImageSource != null)
{
AbstractFilter filter = EffectGroup[_effectIndex];
filter.RealtimeEffectSource = _cameraPreviewImageSource;
}
}
private void Initialize()
{
var filters = new List <IFilter>();
var nameFormat = "{0}/" + _effectCount + " - {1}";
_cameraPreviewImageSource = new CameraPreviewImageSource(_photoCaptureDevice);
switch (_effectIndex)
{
case 0:
{
EffectName = String.Format(nameFormat, 1, AppResources.Filter_Lomo);
filters.Add(new LomoFilter(0.5, 0.5, LomoVignetting.High, LomoStyle.Yellow));
}
break;
case 1:
{
EffectName = String.Format(nameFormat, 2, AppResources.Filter_MagicPen);
filters.Add(new MagicPenFilter());
}
break;
case 2:
{
EffectName = String.Format(nameFormat, 3, AppResources.Filter_Grayscale);
filters.Add(new GrayscaleFilter());
}
break;
case 3:
{
EffectName = String.Format(nameFormat, 4, AppResources.Filter_Antique);
filters.Add(new AntiqueFilter());
}
break;
case 4:
{
EffectName = String.Format(nameFormat, 5, AppResources.Filter_Stamp);
filters.Add(new StampFilter(4, 0.3));
}
break;
case 5:
{
EffectName = String.Format(nameFormat, 6, AppResources.Filter_Cartoon);
filters.Add(new CartoonFilter(false));
}
break;
case 6:
{
EffectName = String.Format(nameFormat, 7, AppResources.Filter_Sepia);
filters.Add(new SepiaFilter());
}
break;
case 7:
{
EffectName = String.Format(nameFormat, 8, AppResources.Filter_Sharpness);
filters.Add(new SharpnessFilter(7));
}
break;
case 8:
{
EffectName = String.Format(nameFormat, 9, AppResources.Filter_AutoEnhance);
filters.Add(new AutoEnhanceFilter());
}
break;
case 9:
{
EffectName = String.Format(nameFormat, 10, AppResources.Filter_None);
}
break;
case 10:
{
EffectName = String.Format(nameFormat, 11, AppResources.Filter_Custom);
_customEffect = new CustomEffect(_cameraPreviewImageSource);
}
break;
}
if (filters.Count > 0)
{
_filterEffect = new FilterEffect(_cameraPreviewImageSource)
{
Filters = filters
};
}
}
private void Initialize()
{
// Initialize camera
var rotation = App.Camera.SensorLocation == CameraSensorLocation.Back ?
App.Camera.SensorRotationInDegrees : - App.Camera.SensorRotationInDegrees;
ViewfinderBrush.SetSource(App.Camera);
ViewfinderBrushTransform.Rotation = rotation;
// Setup image processing pipeline
_source = new CameraPreviewImageSource(App.Camera);
_rotationFilter = new RotationFilter(rotation);
_chromaKeyFilter = new ChromaKeyFilter();
_filters = new List<IFilter> {_rotationFilter, _chromaKeyFilter};
_effect = new FilterEffect(_source) {Filters = _filters};
_bitmap = new WriteableBitmap((int)App.Camera.PreviewResolution.Width, (int)App.Camera.PreviewResolution.Height);
_renderer = new WriteableBitmapRenderer(_effect, _bitmap, OutputOption.Stretch);
FilteredImage.Source = _bitmap;
_color = Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF);
ColorBorder.Background = new SolidColorBrush(_color);
// Start rendering timer
_timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(10) };
_timer.Tick += DispatcherTimer_Tick;
_timer.Start();
_initialized = true;
}
private void Cleanup()
{
System.Diagnostics.Debug.WriteLine("Cleaning up scanner");
try
{
_Ready = false;
_Done = true;
_Rendering = true;
_Controller = null;
_ImagePreview = null;
_Effects = null;
_Render.Dispose();
_Render = null;
_Image = null;
_Source.StopPreviewAsync();
_Source.PreviewFrameAvailable -= OnPreviewFrameAvailable;
_Source.Dispose();
_Source = null;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Cleaning up scanner. {0}", ex.Message);
}
}
private void Initialize()
{
var filters = new List<IFilter>();
var nameFormat = "{0}/" + _effectCount + " - {1}";
_cameraPreviewImageSource = new CameraPreviewImageSource(_photoCaptureDevice);
switch (_effectIndex)
{
case 0:
{
EffectName = String.Format(nameFormat, 1, AppResources.Filter_Lomo);
filters.Add(new LomoFilter(0.5, 0.5, LomoVignetting.High, LomoStyle.Yellow));
}
break;
case 1:
{
EffectName = String.Format(nameFormat, 2, AppResources.Filter_MagicPen);
filters.Add(new MagicPenFilter());
}
break;
case 2:
{
EffectName = String.Format(nameFormat, 3, AppResources.Filter_Grayscale);
filters.Add(new GrayscaleFilter());
}
break;
case 3:
{
EffectName = String.Format(nameFormat, 4, AppResources.Filter_Antique);
filters.Add(new AntiqueFilter());
}
break;
case 4:
{
EffectName = String.Format(nameFormat, 5, AppResources.Filter_Stamp);
filters.Add(new StampFilter(4, 0.3));
}
break;
case 5:
{
EffectName = String.Format(nameFormat, 6, AppResources.Filter_Cartoon);
filters.Add(new CartoonFilter(false));
}
break;
case 6:
{
EffectName = String.Format(nameFormat, 7, AppResources.Filter_Sepia);
filters.Add(new SepiaFilter());
}
break;
case 7:
{
EffectName = String.Format(nameFormat, 8, AppResources.Filter_Sharpness);
filters.Add(new SharpnessFilter(7));
}
break;
case 8:
{
EffectName = String.Format(nameFormat, 9, AppResources.Filter_AutoEnhance);
filters.Add(new AutoEnhanceFilter());
}
break;
case 9:
{
EffectName = String.Format(nameFormat, 10, AppResources.Filter_None);
}
break;
case 10:
{
EffectName = String.Format(nameFormat, 11, AppResources.Filter_Custom);
_customEffect = new CustomEffect(_cameraPreviewImageSource);
}
break;
}
if (filters.Count > 0)
{
_filterEffect = new FilterEffect(_cameraPreviewImageSource)
{
Filters = filters
};
}
}
private async void Init()
{
//Get back camera
var devices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
var backCameraId = devices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == Panel.Back).Id;
//Start preview
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(backCameraId);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
//Setup preview
_width = 640.0;
_height = (_width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)_width, (int)_height);
_writeableBitmap = bitmap;
PreviewImage.Source = _writeableBitmap;
_writeableBitmapRenderer = new WriteableBitmapRenderer(_cameraPreviewImageSource, _writeableBitmap);
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
_videoDevice = (VideoDeviceController)_cameraPreviewImageSource.VideoDeviceController;
//Set timer for auto focus
if (_videoDevice.FocusControl.Supported)
{
var focusSettings = new FocusSettings
{
AutoFocusRange = AutoFocusRange.Macro,
Mode = FocusMode.Auto,
WaitForFocus = false,
DisableDriverFallback = false
};
_videoDevice.FocusControl.Configure(focusSettings);
_timer = new DispatcherTimer
{
Interval = new TimeSpan(0, 0, 0, 2, 0)
};
_timer.Tick += TimerOnTick;
_timer.Start();
}
await _videoDevice.ExposureControl.SetAutoAsync(true);
_initialized = true;
}
private void Uninitialize()
{
_initialized = false;
if (_timer != null)
{
_timer.Stop();
_timer.Tick -= DispatcherTimer_Tick;
_timer = null;
}
if (_renderer != null)
{
_renderer.Dispose();
_renderer = null;
}
if (_effect != null)
{
_effect.Dispose();
_effect = null;
}
_filters = null;
_chromaKeyFilter = null;
_rotationFilter = null;
_bitmap = null;
if (_source != null)
{
_source.Dispose();
_source = null;
}
}
private void Uninitialize()
{
if (_cameraPreviewImageSource != null)
{
_cameraPreviewImageSource.Dispose();
_cameraPreviewImageSource = null;
}
if (_filterEffect != null)
{
_filterEffect.Dispose();
_filterEffect = null;
}
if (_customEffect != null)
{
_customEffect.Dispose();
_customEffect = null;
}
}
private async void ViewfinderCanvas_Tap(object sender, System.Windows.Input.GestureEventArgs e)
{
var point = e.GetPosition(ViewfinderCanvas);
var bitmap = new WriteableBitmap((int)ViewfinderCanvas.ActualWidth, (int)ViewfinderCanvas.ActualHeight);
using (var source = new CameraPreviewImageSource(App.Camera))
using (var effect = new FilterEffect(source))
using (var renderer = new WriteableBitmapRenderer(effect, bitmap, OutputOption.Stretch))
{
effect.Filters = new List<IFilter>()
{
new RotationFilter(_rotationFilter.RotationAngle)
};
await renderer.RenderAsync();
var picked = bitmap.Pixels[((int)point.Y) * bitmap.PixelWidth + ((int)point.X)];
_color = new Color
{
A = 0xFF,
R = (byte)((picked & 0x00FF0000) >> 16),
G = (byte)((picked & 0x0000FF00) >> 8),
B = (byte)(picked & 0x000000FF)
};
}
ColorBorder.Background = new SolidColorBrush(_color);
}
private void Uninitialize()
{
if (m_StreamImageSource != null)
{
m_StreamImageSource.Dispose();
m_StreamImageSource = null;
}
if (m_FilterEffect != null)
{
m_FilterEffect.Dispose();
m_FilterEffect = null;
}
if (m_CustomEffect != null)
{
m_CustomEffect.Dispose();
m_CustomEffect = null;
}
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
Status = "Starting camera...";
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
PreviewBitmap = bitmap;
// Create a filter effect to be used with the source (no filters yet)
_effect = new FilterEffect(_cameraPreviewImageSource);
_writeableBitmapRenderer = new WriteableBitmapRenderer(_effect, _writeableBitmap);
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
Status = _filterList[_index].Name;
Initialized = true;
NextFilterCommand.RaiseCanExecuteChanged();
PreviousFilterCommand.RaiseCanExecuteChanged();
}
/// <summary>
/// Initialize and start the camera preview
/// </summary>
public async Task InitializeAsync()
{
Status = "Starting camera...";
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
DeviceInformationCollection devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.Enumeration.DeviceClass.VideoCapture);
String backCameraId = devices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Back).Id;
await _cameraPreviewImageSource.InitializeAsync(backCameraId);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
var bitmap = new WriteableBitmap((int)width, (int)height);
PreviewBitmap = bitmap;
// Create a filter effect to be used with the source (no filters yet)
_writeableBitmapRenderer = new WriteableBitmapRenderer(_cameraPreviewImageSource, _writeableBitmap);
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
Status = "Initialized";
Initialized = true;
}
private void Initialize()
{
_cameraPreviewImageSource = new CameraPreviewImageSource(_photoCaptureDevice);
if (_blendImageUri != null)
{
_blendImageProvider = new StreamImageSource((System.Windows.Application.GetResourceStream(_blendImageUri).Stream));
}
else
{
var colorStops = new GradientStop[]
{
new GradientStop { Color = Color.FromArgb(0xFF, 0xFF, 0x00, 0x00), Offset = 0.0 },
new GradientStop { Color = Color.FromArgb(0xFF, 0x00, 0xFF, 0x00), Offset = 0.7 },
new GradientStop { Color = Color.FromArgb(0xFF, 0x00, 0x00, 0xFF), Offset = 1.0 }
};
var gradient = new RadialGradient(new Point(0, 0), new EllipseRadius(1, 0), colorStops);
var size = new Size(640, 480);
_blendImageProvider = new GradientImageSource(size, gradient);
}
var nameFormat = "{0}/" + EffectCount + " - {1}";
switch (_effectIndex)
{
case 0:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_None);
}
break;
case 1:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Normal);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Normal, GlobalAlpha);
}
break;
case 2:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Multiply);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Multiply, GlobalAlpha);
}
break;
case 3:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Add);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Add, GlobalAlpha);
}
break;
case 4:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Color);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Color, GlobalAlpha);
}
break;
case 5:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Colorburn);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Colorburn, GlobalAlpha);
}
break;
case 6:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Colordodge);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Colordodge, GlobalAlpha);
}
break;
case 7:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Overlay);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Overlay, GlobalAlpha);
}
break;
case 8:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Softlight);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Softlight, GlobalAlpha);
}
break;
case 9:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Screen);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Screen, GlobalAlpha);
}
break;
case 10:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Hardlight);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Hardlight, GlobalAlpha);
}
break;
case 11:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Darken);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Darken, GlobalAlpha);
}
break;
case 12:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Lighten);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Lighten, GlobalAlpha);
}
break;
case 13:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Hue);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Hue, GlobalAlpha);
}
break;
case 14:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Exclusion);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Exclusion, GlobalAlpha);
}
break;
case 15:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Difference);
_blendEffect = new BlendEffect(_cameraPreviewImageSource,_blendImageProvider, BlendFunction.Difference, GlobalAlpha);
}
break;
}
if (_blendEffect != null)
{
_blendEffect.TargetArea = _targetArea;
_blendEffect.TargetAreaRotation = _targetAreaRotation;
}
}
private void Initialize()
{
var filters = new List<IFilter>();
var nameFormat = "{0}/" + _effectCount + " - {1}";
_cameraPreviewImageSource = new CameraPreviewImageSource(_photoCaptureDevice);
switch (_effectIndex)
{
case 0:
{
EffectName = String.Format(nameFormat, 1, AppResources.Filter_Lomo);
filters.Add(new LomoFilter(0.5, 0.5, LomoVignetting.High, LomoStyle.Yellow));
}
break;
case 1:
{
EffectName = String.Format(nameFormat, 2, AppResources.Filter_MagicPen);
filters.Add(new MagicPenFilter());
}
break;
case 2:
{
EffectName = String.Format(nameFormat, 3, AppResources.Filter_Grayscale);
filters.Add(new GrayscaleFilter());
}
break;
case 3:
{
EffectName = String.Format(nameFormat, 4, AppResources.Filter_Antique);
filters.Add(new AntiqueFilter());
}
break;
case 4:
{
EffectName = String.Format(nameFormat, 5, AppResources.Filter_Stamp);
filters.Add(new StampFilter(4, 0.3));
}
break;
case 5:
{
EffectName = String.Format(nameFormat, 6, AppResources.Filter_Cartoon);
filters.Add(new CartoonFilter(false));
}
break;
case 6:
{
EffectName = String.Format(nameFormat, 7, AppResources.Filter_Sepia);
filters.Add(new SepiaFilter());
}
break;
case 7:
{
EffectName = String.Format(nameFormat, 8, AppResources.Filter_Sharpness);
filters.Add(new SharpnessFilter(7));
}
break;
case 8:
{
EffectName = String.Format(nameFormat, 9, AppResources.Filter_AutoEnhance);
filters.Add(new AutoEnhanceFilter());
}
break;
case 9:
{
EffectName = String.Format(nameFormat, 10, AppResources.Filter_None);
}
break;
case 10:
{
EffectName = String.Format(nameFormat, 11, AppResources.Filter_Custom);
_customEffect = new CustomEffect(_cameraPreviewImageSource);
}
break;
case 11:
{
EffectName = String.Format(nameFormat, 12, "Built-in BrightnessFilter >>> +0.50");
filters.Add(new BrightnessFilter(0.50));
}
break;
case 12:
{
EffectName = String.Format(nameFormat, 13, "Custom BrightnessEffect >>> +0.50");
_customEffect = new BrightnessEffect(_cameraPreviewImageSource, 0.50);
}
break;
case 13:
{
EffectName = String.Format(nameFormat, 14, "Built-in BrightnessFilter >>> -0.50");
filters.Add(new BrightnessFilter(-0.50));
}
break;
case 14:
{
EffectName = String.Format(nameFormat, 15, "Custom BrightnessEffect >>> -0.50");
_customEffect = new BrightnessEffect(_cameraPreviewImageSource, -0.50);
}
break;
case 15:
{
EffectName = String.Format(nameFormat, 16, "Built-in ColorAdjustFilter >>> Red at -1.0");
filters.Add(new ColorAdjustFilter(-1.0, 0, 0));
}
break;
case 16:
{
EffectName = String.Format(nameFormat, 17, "Custom ColorAdjustEffect >>> Red at -1.0");
_customEffect = new ColorAdjustEffect(_cameraPreviewImageSource, -1.0, 0, 0);
}
break;
case 17:
{
EffectName = String.Format(nameFormat, 18, "Built-in ColorAdjustFilter >>> Red at +1.0");
filters.Add(new ColorAdjustFilter(1.0, 0, 0));
}
break;
case 18:
{
EffectName = String.Format(nameFormat, 19, "Custom ColorAdjustEffect >>> Red at +1.0");
_customEffect = new ColorAdjustEffect(_cameraPreviewImageSource, 1.0, 0, 0);
}
break;
case 19:
{
EffectName = String.Format(nameFormat, 20, "Built-in ColorAdjustFilter >>> Green at -1.0");
filters.Add(new ColorAdjustFilter(0, -1.0, 0));
}
break;
case 20:
{
EffectName = String.Format(nameFormat, 21, "Custom ColorAdjustEffect >>> Green at -1.0");
_customEffect = new ColorAdjustEffect(_cameraPreviewImageSource, 0, -1.0, 0);
}
break;
case 21:
{
EffectName = String.Format(nameFormat, 22, "Built-in ColorAdjustFilter >>> Green at +1.0");
filters.Add(new ColorAdjustFilter(0, 1.0, 0));
}
break;
case 22:
{
EffectName = String.Format(nameFormat, 23, "Custom ColorAdjustEffect >>> Green at +1.0");
_customEffect = new ColorAdjustEffect(_cameraPreviewImageSource, 0, 1.0, 0);
}
break;
case 23:
{
EffectName = String.Format(nameFormat, 24, "Built-in ColorAdjustFilter >>> Blue at -1.0");
filters.Add(new ColorAdjustFilter(0, 0, -1.0));
}
break;
case 24:
{
EffectName = String.Format(nameFormat, 25, "Custom ColorAdjustEffect >>> Blue at -1.0");
_customEffect = new ColorAdjustEffect(_cameraPreviewImageSource, 0, 0, -1.0);
}
break;
case 25:
{
EffectName = String.Format(nameFormat, 26, "Built-in ColorAdjustFilter >>> Blue at +1.0");
filters.Add(new ColorAdjustFilter(0, 0, 1.0));
}
break;
case 26:
{
EffectName = String.Format(nameFormat, 27, "Custom ColorAdjustEffect >>> Blue at +1.0");
_customEffect = new ColorAdjustEffect(_cameraPreviewImageSource, 0, 0, 1.0);
}
break;
case 27:
{
EffectName = String.Format(nameFormat, 28, "Built-in MirrorFilter");
filters.Add(new MirrorFilter());
}
break;
case 28:
{
EffectName = String.Format(nameFormat, 29, "Custom MirrorEffect >>> Horizontal");
_customEffect = new MirrorEffect(_cameraPreviewImageSource, MirrorEffect.MirrorType.Horizontal);
}
break;
case 29:
{
EffectName = String.Format(nameFormat, 30, "Built-in MirrorFilter and RotateFilter");
filters.Add(new RotationFilter(270));
filters.Add(new MirrorFilter());
filters.Add(new RotationFilter(90));
}
break;
case 30:
{
EffectName = String.Format(nameFormat, 31, "Custom MirrorEffect >>> Vertical");
_customEffect = new MirrorEffect(_cameraPreviewImageSource, MirrorEffect.MirrorType.Vertical);
}
break;
}
if (filters.Count > 0)
{
_filterEffect = new FilterEffect(_cameraPreviewImageSource)
{
Filters = filters
};
}
}
public async Task InitializeAsync()
{
_timeout = BarCodeManager.MaxTry;
_sw.Restart();
_capturing = true;
_cleanedUp = false;
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
// La sélection de la caméra arrière plante sur mon device :/
//var devices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
//var backCamera = devices.FirstOrDefault(x => x.EnclosureLocation != null && x.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Back);
//await _cameraPreviewImageSource.InitializeAsync(backCamera.Id);
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
_width = 640.0;
_height = (_width / properties.Width) * properties.Height;
_writeableBitmap = new WriteableBitmap((int)_width, (int)_height);
captureElement.Source = _writeableBitmap;
_writeableBitmapRenderer = new WriteableBitmapRenderer();
_writeableBitmapRenderer.Source = _cameraPreviewImageSource;
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
}
private void Initialize()
{
_cameraPreviewImageSource = new CameraPreviewImageSource(_photoCaptureDevice);
if (_blendImageUri != null)
{
_blendImageProvider = new StreamImageSource((System.Windows.Application.GetResourceStream(_blendImageUri).Stream));
}
else
{
var colorStops = new GradientStop[]
{
new GradientStop {
Color = Color.FromArgb(0xFF, 0xFF, 0x00, 0x00), Offset = 0.0
},
new GradientStop {
Color = Color.FromArgb(0xFF, 0x00, 0xFF, 0x00), Offset = 0.7
},
new GradientStop {
Color = Color.FromArgb(0xFF, 0x00, 0x00, 0xFF), Offset = 1.0
}
};
var gradient = new RadialGradient(new Point(0, 0), new EllipseRadius(1, 0), colorStops);
var size = new Size(640, 480);
_blendImageProvider = new GradientImageSource(size, gradient);
}
var nameFormat = "{0}/" + EffectCount + " - {1}";
switch (_effectIndex)
{
case 0:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_None);
}
break;
case 1:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Normal);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Normal, GlobalAlpha);
}
break;
case 2:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Multiply);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Multiply, GlobalAlpha);
}
break;
case 3:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Add);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Add, GlobalAlpha);
}
break;
case 4:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Color);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Color, GlobalAlpha);
}
break;
case 5:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Colorburn);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Colorburn, GlobalAlpha);
}
break;
case 6:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Colordodge);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Colordodge, GlobalAlpha);
}
break;
case 7:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Overlay);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Overlay, GlobalAlpha);
}
break;
case 8:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Softlight);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Softlight, GlobalAlpha);
}
break;
case 9:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Screen);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Screen, GlobalAlpha);
}
break;
case 10:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Hardlight);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Hardlight, GlobalAlpha);
}
break;
case 11:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Darken);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Darken, GlobalAlpha);
}
break;
case 12:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Lighten);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Lighten, GlobalAlpha);
}
break;
case 13:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Hue);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Hue, GlobalAlpha);
}
break;
case 14:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Exclusion);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Exclusion, GlobalAlpha);
}
break;
case 15:
{
EffectName = String.Format(nameFormat, _effectIndex + 1, AppResources.Filter_Blend_Difference);
_blendEffect = new BlendEffect(_cameraPreviewImageSource, _blendImageProvider, BlendFunction.Difference, GlobalAlpha);
}
break;
}
if (_blendEffect != null)
{
_blendEffect.TargetArea = _targetArea;
_blendEffect.TargetAreaRotation = _targetAreaRotation;
}
}
public async void InitializeAsync()
{
// Create a camera preview image source (from Imaging SDK)
_cameraPreviewImageSource = new CameraPreviewImageSource();
await _cameraPreviewImageSource.InitializeAsync(string.Empty);
var properties = await _cameraPreviewImageSource.StartPreviewAsync();
// Create a preview bitmap with the correct aspect ratio
var width = 640.0;
var height = (width / properties.Width) * properties.Height;
_writeableBitmap = new WriteableBitmap((int)width, (int)height);
captureElement.Source = _writeableBitmap;
_writeableBitmapRenderer = new WriteableBitmapRenderer();
_jpegRenderer = new JpegRenderer();
// Attach preview frame delegate
_cameraPreviewImageSource.PreviewFrameAvailable += OnPreviewFrameAvailable;
_initialized = true;
}