/// <summary>
/// encoded cache multiplex -> encoded cache -> local resource fetch.
/// </summary>
private IProducer <CloseableReference <IPooledByteBuffer> > GetEncodedLocalResourceFetchSequence()
{
lock (_gate)
{
if (_encodedLocalResourceFetchSequence == null)
{
LocalResourceFetchProducer localResourceFetchProducer =
_producerFactory.NewLocalResourceFetchProducer();
_encodedLocalResourceFetchSequence = new RemoveImageTransformMetaDataProducer(
NewEncodedCacheMultiplexToTranscodeSequence(localResourceFetchProducer));
}
return(_encodedLocalResourceFetchSequence);
}
}
/// <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)
/// -> local resource fetch.
/// </summary>
private IProducer <CloseableReference <CloseableImage> > GetLocalResourceFetchSequence()
{
lock (_gate)
{
if (_localResourceFetchSequence == null)
{
LocalResourceFetchProducer localResourceFetchProducer =
_producerFactory.NewLocalResourceFetchProducer();
_localResourceFetchSequence =
NewBitmapCacheGetToLocalTransformSequence(localResourceFetchProducer);
}
return(_localResourceFetchSequence);
}
}