/// <inheritdoc cref="TransformHistogramEventArgs"/>
public async Task OnEventHandler(object publisher, TransformHistogramEventArgs e)
{
try
{
var distribution = View.Dropdown;
var copy = await _locker.LockOperationAsync(
() => new Bitmap(ViewModel.Source)
).ConfigureAwait(true);
copy.Tag = distribution.ToString();
Aggregator.PublishFromAll(publisher,
new AttachBlockToRendererEventArgs(
block: new PipelineBlock(copy)
.Add <Bitmap, Bitmap>(
(bmp) => _provider.Transform(bmp, distribution, e.Parameters))
.Add <Bitmap>(
(bmp) => View.AddToQualityMeasureContainer(bmp))
.Add <Bitmap>(
(bmp) => View.EnableQualityQueue(true))
)
);
}
catch (Exception ex)
{
View.Tooltip(Errors.TransformHistogram);
}
}
/// <inheritdoc cref="ApplyColorMatrixEventArgs"/>
public async Task OnEventHandler(object publisher, ApplyColorMatrixEventArgs e)
{
try
{
var filter = View.Dropdown;
if (filter != ClrMatrix.Unknown)
{
var copy = await _locker.LockOperationAsync(
() => new Bitmap(ViewModel.Source)
).ConfigureAwait(true);
Aggregator.PublishFromAll(publisher,
new AttachBlockToRendererEventArgs(
block: new PipelineBlock(copy)
.Add <Bitmap, Bitmap>(
(bmp) => _provider.Apply(bmp, filter))
)
);
}
}
catch (Exception ex)
{
View.Tooltip(Errors.ApplyColorMatrix);
}
}
/// <inheritdoc cref="ApplyTransformationEventArgs"/>
public async Task OnEventHandler(object publisher, ApplyTransformationEventArgs e)
{
try
{
var(xStr, yStr) = e.Parameters;
var x = Convert.ToDouble(xStr);
var y = Convert.ToDouble(yStr);
var copy = await _locker.LockOperationAsync(
() => new Bitmap(ViewModel.Source)
).ConfigureAwait(true);
var transformation = View.Dropdown;
Aggregator.PublishFromAll(publisher,
new AttachBlockToRendererEventArgs(
block: new PipelineBlock(copy)
.Add <Bitmap, Bitmap>(
(bmp) => _provider.Apply(bmp, x, y, transformation))
)
);
}
catch (Exception ex)
{
View.Tooltip(Errors.ApplyTransformation);
}
}
/// <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);
}
}
private async Task <Bitmap> GetImageCopy(ImageContainer container)
=> await _operation.LockOperationAsync(
() => new Bitmap(View.GetImageCopy(container))
).ConfigureAwait(true);
