public static void LoadCamera(CameraSummary summary, int target)
{
if (CameraLoadAsked != null)
{
CameraLoadAsked(null, new CameraLoadAskedEventArgs(summary, target));
}
}
public CameraThumbnailProducedEventArgs(CameraSummary summary, Bitmap thumbnail, ImageDescriptor imageDescriptor, bool hadError, bool cancelled)
{
this.Summary = summary;
this.Thumbnail = thumbnail;
this.ImageDescriptor = imageDescriptor;
this.HadError = hadError;
this.Cancelled = cancelled;
}
public static void UpdatedCameraSummary(CameraSummary summary)
{
summary.Manager.UpdatedCameraSummary(summary);
if (CameraSummaryUpdated != null)
{
CameraSummaryUpdated(null, new CameraSummaryUpdatedEventArgs(summary));
}
}
public static void ForgetCamera(CameraSummary summary)
{
summary.Manager.ForgetCamera(summary);
PreferencesManager.CapturePreferences.RemoveCamera(summary.Identifier);
PreferencesManager.Save();
if (CameraForgotten != null)
{
CameraForgotten(null, new EventArgs <CameraSummary>(summary));
}
}
/// <summary>
/// Find the manager that host this camera.
/// This is used to match launch settings with already discovered cameras.
/// </summary>
public static CameraSummary GetCameraSummary(string alias)
{
foreach (CameraManager manager in cameraManagers)
{
CameraSummary summary = manager.GetCameraSummary(alias);
if (summary != null)
{
return(summary);
}
}
return(null);
}
public CameraLoadAskedEventArgs(CameraSummary source, int target)
{
this.Source = source;
this.Target = target;
}
/// <summary> /// Extract a camera blurb (used for XML persistence) from a camera summary. /// </summary> public abstract CameraBlurb BlurbFromSummary(CameraSummary summary);
/// <summary> /// Get a single image for thumbnail refresh. /// The function is asynchronous and should raise CameraThumbnailProduced when done. /// </summary> public abstract void GetSingleImage(CameraSummary summary);
/// <summary> /// Invalidate the camera reference from any cache held in the extension. /// </summary> public abstract void ForgetCamera(CameraSummary summary);
/// <summary>
/// Called after the user personalize a camera. Should persist the customized information.
/// </summary>
public void UpdatedCameraSummary(CameraSummary summary)
{
PreferencesManager.CapturePreferences.AddCamera(BlurbFromSummary(summary));
PreferencesManager.Save();
}
/// <summary> /// Returns a small non-translatable text to be displayed in the header line above the image. /// </summary> public abstract string GetSummaryAsText(CameraSummary summary);
/// <summary>
/// Launch a dialog to configure the device. Returns true if the configuration has changed.
/// This method can be overriden by managers that require disconnecting/reconnecting during the operation.
/// Default behavior is to call Configure(summary).
/// </summary>
public virtual bool Configure(CameraSummary summary, Action disconnect, Action reconnect)
{
return(Configure(summary));
}
/// <summary> /// Launch a dialog to configure the device. /// Returns true if the camera needs to be disconnected/reconnected to take the new parameters into account. /// </summary> public abstract bool Configure(CameraSummary summary);
/// <summary> /// Connect to a camera and return the frame grabbing object. /// </summary> public abstract ICaptureSource CreateCaptureSource(CameraSummary summary);
/// <summary> /// Start a function that will retrieve a single image from a particular camera, for thumbnail purposes. /// The function should be asynchronous and raise CameraThumbnailProduced event when done. /// The event should always be raised, even if the thumbnail could not be retrieved. /// </summary> public abstract void StartThumbnail(CameraSummary summary);
public CameraSummaryUpdatedEventArgs(CameraSummary summary)
{
this.Summary = summary;
}
