/// <summary>
/// bitmap cache get ->
/// background thread hand-off -> multiplex -> bitmap cache ->
/// decode -> branch on separate images
/// -> exif resize and rotate -> exif thumbnail creation
/// -> local image resize and rotate -> add meta data producer
/// -> multiplex -> encoded cache -> (webp transcode)
/// -> FutureAccessList fetch.
/// </summary>
private IProducer <CloseableReference <CloseableImage> > GetFutureAccessListFetchSequence()
{
lock (_gate)
{
if (_futureAccessListFetchSequence == null)
{
FutureAccessListFetchProducer futureAccessListFetchProducer =
_producerFactory.NewFutureAccessListFetchProducer();
_futureAccessListFetchSequence =
NewBitmapCacheGetToLocalTransformSequence(futureAccessListFetchProducer);
}
return(_futureAccessListFetchSequence);
}
}
/// <summary>
/// encoded cache multiplex -> encoded cache -> FutureAccessList fetch.
/// </summary>
private IProducer <CloseableReference <IPooledByteBuffer> > GetEncodedFutureAccessListFetchSequence()
{
lock (_gate)
{
if (_encodedFutureAccessListFetchSequence == null)
{
FutureAccessListFetchProducer futureAccessListFetchProducer =
_producerFactory.NewFutureAccessListFetchProducer();
_encodedFutureAccessListFetchSequence = new RemoveImageTransformMetaDataProducer(
NewEncodedCacheMultiplexToTranscodeSequence(futureAccessListFetchProducer));
}
return(_encodedFutureAccessListFetchSequence);
}
}
