/// <summary>
/// post-processor producer -> copy producer -> inputProducer.
/// </summary>
private IProducer <CloseableReference <CloseableImage> > GetPostprocessorSequence(
IProducer <CloseableReference <CloseableImage> > inputProducer)
{
lock (_gate)
{
if (!_postprocessorSequences.ContainsKey(inputProducer))
{
PostprocessorProducer postprocessorProducer =
_producerFactory.NewPostprocessorProducer(inputProducer);
PostprocessedBitmapMemoryCacheProducer postprocessedBitmapMemoryCacheProducer =
_producerFactory.NewPostprocessorBitmapMemoryCacheProducer(postprocessorProducer);
_postprocessorSequences.Add(inputProducer, postprocessedBitmapMemoryCacheProducer);
}
var producer = default(IProducer <CloseableReference <CloseableImage> >);
_postprocessorSequences.TryGetValue(inputProducer, out producer);
return(producer);
}
}