/// <inheritdoc cref="ApplyRgbFilterEventArgs"/>
public async Task OnEventHandler(object publisher, ApplyRgbFilterEventArgs e)
{
try
{
var filter = View.Dropdown;
if (filter != RgbFltr.Unknown)
{
var color = View.GetSelectedChannels();
var copy = await _locker.LockOperationAsync(
() => new Bitmap(ViewModel.Source)
).ConfigureAwait(true);
Aggregator.PublishFromAll(publisher,
new AttachBlockToRendererEventArgs(
block: new PipelineBlock(copy)
.Add <Bitmap, Bitmap>(
(bmp) => _factory.Get(color).Filter(bmp))
.Add <Bitmap, Bitmap>(
(bmp) => _factory.Get(filter).Filter(bmp))
)
);
}
}
catch (Exception ex)
{
View.Tooltip(Errors.ApplyRgbFilter);
}
}
public IRgbFilter Get(RgbChannels channel) => _factory.Get(channel);
/// <inheritdoc/>
public Bitmap Apply(Bitmap bmp, RgbFltr filter)
=> _cache.GetOrCreate(filter,
() => _rgb.Get(filter).Filter(bmp)
);
