private void RequestImageTransform()
{
if (originalImage == null || backgroundWorker.IsBusy)
{
return;
}
WorkerData workerData;
IPixelTransform transform;
IErrorDiffusion ditherer;
Bitmap image;
transform = GetPixelTransform();
ditherer = GetDitheringInstance();
image = ImageProcessor.DeepClone(originalImage.Image, PixelFormat.Format32bppArgb);//.CopyTo32bppArgb();
if (image == null)
{
return;
}
if (transform == null)
{
return;
}
Cursor.Current = Cursors.WaitCursor;
this.UseWaitCursor = true;
workerData = new WorkerData
{
Image = image,
Transform = transform,
Dither = ditherer
};
if (InternalSettings.Use_Async_Dither)
{
backgroundWorker.RunWorkerAsync(workerData);
}
else
{
backgroundWorker_RunWorkerCompleted(
backgroundWorker, new RunWorkerCompletedEventArgs(DitherHelper.GetTransformedImage(workerData), null, false));
}
}
private void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
WorkerData data;
data = (WorkerData)e.Argument;
// need to keep track of the worker and event args
// so that we can check for cancel in the function
data.Worker = sender as BackgroundWorker;
data.Args = e;
Bitmap btmp = DitherHelper.GetTransformedImage(data);
if (e.Cancel == true)
{
btmp?.Dispose();
return;
}
e.Result = btmp;
}
