private async Task Render(IPipelineBlock block,
ImageContainer container = ImageContainer.Destination,
UndoRedoAction action = UndoRedoAction.Undo)
{
View.SetCursor(CursorType.Wait);
if (
!_pipeline
.Register(block
.Add <Bitmap>(
(bmp) => RenderBlock(bmp, container, action)
)
)
)
{
throw new InvalidOperationException(Errors.Pipeline);
}
await _pipeline.AwaitResult().ConfigureAwait(true);
if (container == ImageContainer.Source)
{
_cache.Reset();
}
if (!_pipeline.Any())
{
View.SetCursor(CursorType.Default);
}
}
public static IPipelineBlock <T> Broadcast <T>(this IPipelineBlock <T> block, Predicate <T>?predicate = null)
{
var broadcastBlock = new BroadcastBlock <T>(x => x);
if (block.Count > 0)
{
block.Current.LinkToWithPredicate(broadcastBlock, predicate);
}
block.Add(broadcastBlock);
return(block);
}
public static IPipelineBlock <T> Select <T>(this IPipelineBlock <T> block, Func <T, T> action, Predicate <T>?predicate = null)
{
var transformBlock = new TransformBlock <T, T>(action);
if (block.Count > 0)
{
block.Current.LinkToWithPredicate(transformBlock, predicate);
}
block.Add(transformBlock);
return(block);
}
public static IPipelineBlock <T> DoAction <T>(this IPipelineBlock <T> block, Action <T> action, Predicate <T>?predicate = null)
{
var actionBlock = new ActionBlock <T>(action);
if (block.Count > 0)
{
block.Current.LinkToWithPredicate(actionBlock, predicate);
}
block.Add(actionBlock);
return(block);
}
public static IPipelineBlock <T> DoAction <T>(this IPipelineBlock <T> block, Action <T> action, out IDisposable?disposable, Predicate <T>?predicate = null)
{
var actionBlock = new ActionBlock <T>(action);
disposable = default;
if (block.Count > 0)
{
disposable = block.Current.LinkToWithPredicate(actionBlock, predicate);
}
block.Add(actionBlock);
return(block);
}
private async Task Paint(IPipelineBlock block,
ImageContainer container = ImageContainer.Destination)
{
if (
!_pipeline
.Register(block
.Add <Bitmap>(
(bmp) => PaintBlock(bmp, container)
)
)
)
{
throw new InvalidOperationException(Errors.Pipeline);
}
await _pipeline.AwaitResult().ConfigureAwait(true);
}
public static IPipelineBlock <T> Register <T>(this IPipelineBlock <T> block, IPipelineBlock <T> blockToRegister)
{
block.Add(blockToRegister);
return(block);
}