public AsyncProcessingEngine(IImageProvider imageProvider, IImageProcessingChain imageProcessingChain, IReceiveProcessedImageCommand receiveProcessedImageCommand)
{
_imageProvider = imageProvider;
_imageProcessingChain = imageProcessingChain;
_setOutputImageCommand = receiveProcessedImageCommand;
_mediator = new AsyncProcessingMediator();
}
private static void SetAcquiredImage(AsyncProcessingMediator mediator, Image image)
{
var processingStatus = mediator.GetImageProcessingStatus();
if (processingStatus == ImageProcessingStatus.NoImageProcessed)
{
mediator.SetAquiredImageAndImageAddedStatus(image);
}
}
private void GetAcquiredImageAndProcessIt(AsyncProcessingMediator mediator)
{
var image = mediator.GetAcquiredImageAndSetImageProcessedStatus();
try
{
var processedImage = _imageProcessingChain.ProcessImage(image);
_setOutputImageCommand.Execute(processedImage);
}
finally
{
mediator.SetImageProcessingStatus(ImageProcessingStatus.NoImageProcessed);
}
}
