public virtual CameraSettingsDto GetCameraSettings()
{
CameraSettingsDto settings = null;
if (File.Exists("CameraPhotoSettings.xml"))
{
using (var fs = File.OpenRead("CameraPhotoSettings.xml"))
{
settings = (CameraSettingsDto) new XmlSerializer(typeof(CameraSettingsDto)).Deserialize(fs);
}
}
else
{
settings = new CameraSettingsDto
{
SelectedAeMode = SDKData.Enums.AEMode.Manual,
SelectedAvValue = SDKData.Enums.ApertureValue.AV_8,
SelectedIsoSensitivity = SDKData.Enums.CameraISOSensitivity.ISO_400,
SelectedWhiteBalance = SDKData.Enums.WhiteBalance.Daylight,
SelectedShutterSpeed = SDKData.Enums.ShutterSpeed.TV_200,
};
using (var fs = File.Open("CameraPhotoSettings.xml", FileMode.OpenOrCreate))
{
new XmlSerializer(typeof(CameraSettingsDto)).Serialize(fs, settings);
}
}
return(settings);
}
public override void Initialize()
{
_imageProcessor.TimerElapsed += ImageProcessorOnTimerElapsed;
_imageProcessor.CameraErrorEvent += ImageProcessorOnCameraErrorEvent;
_imageProcessor.ImageChanged += ImageProcessorOnStreamChanged;
_imageProcessor.ImageNumberChanged += ImageProcessorOnImageNumberChanged;
_imageProcessor.InitializeProcessor();
OpenSession();
if (!_sessionOpened)
{
return;
}
_settings = _settingsProvider.GetCameraSettings();
if (_settings != null)
{
_imageProcessor.SetSetting((uint)PropertyId.AEMode, (uint)_settings.SelectedAeMode);
_imageProcessor.SetSetting((uint)PropertyId.WhiteBalance, (uint)_settings.SelectedWhiteBalance);
_imageProcessor.SetSetting((uint)PropertyId.Av, (uint)_settings.SelectedAvValue);
_imageProcessor.SetSetting((uint)PropertyId.ExposureCompensation, (uint)_settings.SelectedCompensation);
_imageProcessor.SetSetting((uint)PropertyId.ISOSpeed, (uint)_settings.SelectedIsoSensitivity);
_imageProcessor.SetSetting((uint)PropertyId.Tv, (uint)_settings.SelectedShutterSpeed);
}
_cameraStreamSynchronize = new AutoResetEvent(false);
StartLiveView();
}
public CameraSettingsDto GetCameraSettings()
{
CameraSettingsDto settings = null;
if (!File.Exists("CameraPhotoSettings.xml"))
{
settings = new CameraSettingsDto
{
SelectedAeMode = SDKData.Enums.AEMode.Manual,
SelectedAvValue = SDKData.Enums.ApertureValue.AV_8,
SelectedIsoSensitivity = SDKData.Enums.CameraISOSensitivity.ISO_400,
SelectedWhiteBalance = SDKData.Enums.WhiteBalance.Daylight,
SelectedShutterSpeed = SDKData.Enums.ShutterSpeed.TV_200,
SelectedCompensation = SDKData.Enums.ExposureCompensation.Zero
};
using (var file = File.Create("CameraPhotoSettings.xml"))
{
new XmlSerializer(settings.GetType()).Serialize(file, settings);
file.Close();
}
}
else
{
using (var file = File.OpenRead("CameraPhotoSettings.xml"))
{
settings = (CameraSettingsDto) new XmlSerializer(typeof(CameraSettingsDto)).Deserialize(file);
file.Close();
}
}
return(settings);
}
public override void Initialize()
{
_logger.Trace("Инициализация");
_imageProcessor.TimerElapsed += ImageProcessorOnTimerElapsed;
_imageProcessor.CameraErrorEvent += ImageProcessorOnCameraErrorEvent;
_imageProcessor.ImageChanged += ImageProcessorOnStreamChanged;
_imageProcessor.ImageNumberChanged += ImageProcessorOnImageNumberChanged;
Capturing = false;
_imageProcessor.InitializeProcessor();
OpenSession();
if (!_sessionOpened)
{
_dialogService.ShowInfo("Камера не готова, попробуйте ещё раз.");
_logger.Trace("Неудачная поптыка открытия сессии");
return;
}
_settings = _settingsProvider.GetCameraSettings();
if (_settings != null)
{
_logger.Trace("Применение настроек для камеры");
//_imageProcessor.SetSetting((uint)PropertyId.AEMode, (uint)_settings.SelectedAeMode); TODO Не поддерживается.
_imageProcessor.SetSetting((uint)PropertyId.WhiteBalance, (uint)_settings.SelectedWhiteBalance);
_imageProcessor.SetSetting((uint)PropertyId.Av, (uint)_settings.SelectedAvValue);
_imageProcessor.SetSetting((uint)PropertyId.ExposureCompensation, (uint)_settings.SelectedCompensation);
_imageProcessor.SetSetting((uint)PropertyId.ISOSpeed, (uint)_settings.SelectedIsoSensitivity);
_imageProcessor.SetSetting((uint)PropertyId.Tv, (uint)_settings.SelectedShutterSpeed);
}
_cameraStreamSynchronize = new AutoResetEvent(false);
_logger.Trace("Запуск LiveView");
StartLiveView();
var cancellTokenSource = new CancellationTokenSource();
if (TakePictureCommand.CanExecute(cancellTokenSource.Token))
{
try
{
TakePictureCommand.Execute(cancellTokenSource.Token);
}
catch (Exception ex)
{
//_dialogService.ShowInfo("Упс... С камерой возникли неполадки. Приносим свои извинения. =(");
_logger.Error(ex, "Ошибка при инициализации камеры");
GoBack();
}
}
else
{
//_dialogService.ShowInfo("Упс... С камерой возникли неполадки. Приносим свои извинения. =(");
_logger.Trace("TakePictureCommand.CanExecute вернул false");
GoBack();
}
}
//protected async Task<byte[]> TakePictureInternal(Size liveViewImageStreamSize, CameraSettingsDto settings, CancellationToken token)
//{
// return await Task.Run(() => Run(liveViewImageStreamSize, settings, token), token);
//}
private async Task <byte[]> Run(Size liveViewImageStreamSize, CameraSettingsDto settings, CancellationToken token)
{
var pictures = new List <byte[]>();
for (var i = 0; i < _pattern.Images.Count; i++)
{
_logger.Trace($"Фото №{i}");
token.ThrowIfCancellationRequested();
RaiseImageNumberChanged(i + 1);
await Task.Delay(TimeSpan.FromSeconds(1), token);
CommandManager.InvalidateRequerySuggested();
for (var j = 5; j >= 0; j--)
{
var j1 = j;
RaiseTimerElapsed(j1);
await Task.Delay(TimeSpan.FromSeconds(1), token);
}
_logger.Trace("Отсчёт закончен. Начало применения настроек для камеры.");
SetCameraSettings(settings.SelectedPhotoAeMode, settings.SelectedPhotoWhiteBalance,
settings.SelectedPhotoAvValue, settings.SelectedPhotoIsoSensitivity,
settings.SelectedPhotoShutterSpeed);
_logger.Trace("Настройки для камеры применены.");
//await Task.Delay(TimeSpan.FromSeconds(1));
//RaiseImageNumberChanged(i + 1);
//await Task.Delay(TimeSpan.FromSeconds(1), token);
token.ThrowIfCancellationRequested();
byte[] picture = await _imageProcessor.DoTakePictureAsync();
pictures.Add(picture);
token.ThrowIfCancellationRequested();
//await Task.Delay(TimeSpan.FromSeconds(3), token); //todo
_logger.Trace("Фотография сделана. Начало применения настроек для LiveView");
SetCameraSettings(settings.SelectedAeMode, settings.SelectedWhiteBalance,
settings.SelectedAvValue, settings.SelectedIsoSensitivity,
settings.SelectedShutterSpeed);
_logger.Trace("Настройки для камеры применены.");
_logger.Trace("Стоп LiveView.");
StopLiveView();
_logger.Trace("Старт LiveView.");
StartLiveView();
}
byte[] result = _imageUtils.ProcessImages(pictures, liveViewImageStreamSize, _pattern);
return(result);
}
private void StartLiveView()
{
_imageProcessor.StartLiveView();
_settings = _settingsProvider.GetCameraSettings();
if (_settings != null)
{
_imageProcessor.SetSetting((uint)PropertyId.WhiteBalance, (uint)_settings.SelectedWhiteBalance);
_imageProcessor.SetSetting((uint)PropertyId.Av, (uint)_settings.SelectedAvValue);
_imageProcessor.SetSetting((uint)PropertyId.ExposureCompensation, (uint)_settings.SelectedCompensation);
_imageProcessor.SetSetting((uint)PropertyId.ISOSpeed, (uint)_settings.SelectedIsoSensitivity);
_imageProcessor.SetSetting((uint)PropertyId.Tv, (uint)_settings.SelectedShutterSpeed);
}
_isLiveViewOn = true;
}
public async Task <byte[]> TakeTestPictureAsync(byte[] liveViewImageStream, CameraSettingsDto settings)
{
SetCameraSettings(settings.SelectedAeMode, settings.SelectedPhotoWhiteBalance,
settings.SelectedPhotoAvValue, settings.SelectedPhotoIsoSensitivity,
settings.SelectedPhotoShutterSpeed);
byte[] picture = await _imageProcessor.DoTakePictureAsync();
//byte[] picture = await Task.Run(async () =>
//{
// // await Task.Delay(500);//TODO Костыль, не понятно почему, но камере реально необходимо время, что бы свойства установились
// var res = await _imageProcessor.DoTakePictureAsync();
// return res;
//});
StopLiveView();
return(picture);
}
public virtual async Task <CompositionProcessingResult> TakePictureAsync(Size liveViewImageStreamSize, CameraSettingsDto settings,
CancellationToken token)
{
return(new CompositionProcessingResult(_pattern, await Run(liveViewImageStreamSize, settings, token)));
}
public virtual void SaveCameraSettings(CameraSettingsDto settings)
{
_user.Value.CameraSettings = settings.Serialize();
_userRepository.UpdateUser(_user.Value);
_userRepository.Commit();
}