public void PrepareOCR(Stream[] streams, string name = "Plik")
{
if (updateWorker != null && !updateWorker.IsCompleted)
{
updateWorkerCTS.Cancel();
try {
updateWorker.Wait();
} catch {}
updateWorker = null;
}
LoadingWindow wnd_waiter = new LoadingWindow("Rozpoznawanie");
updateWorkerCTS = new CancellationTokenSource();
updateWorkerCT = updateWorkerCTS.Token;
updateWorker = Task.Factory.StartNew(() => {
wnd_waiter.SetStatus("Przygotowywanie");
OCRStatus status = new OCRStatus();
status.OCRCancellationToken = updateWorkerCT;
status.PageCurrentChanged += (sender, e) => {
wnd_waiter.SetStatus($"Rozpoznawanie strony {status.PageCurrent} z {status.PageCount}");
wnd_waiter.SetPercentage((int)(100 * status.PageCurrent / status.PageCount));
};
OCRResult result = OCR.GetTextFromStreamsAsync(streams, this.Engine, status).Result;
if (result != null)
{
wnd.SetResult(name, result);
}
else
if (status.Error != OctarineError.CancellationRequested)
{
wnd.ShowError(status.Error, status.ErrorMessage);
}
wnd_waiter.Close();
updateWorker = null;
}, updateWorkerCT);
wnd_waiter.ShowDialog(wnd);
if (updateWorker != null && !updateWorker.IsCompleted)
{
updateWorkerCTS.Cancel();
try {
updateWorker.Wait();
} catch {}
updateWorker = null;
}
}
public void PrepareOCR(string file)
{
if (updateWorker != null && !updateWorker.IsCompleted)
{
updateWorkerCTS.Cancel();
try {
updateWorker.Wait();
} catch {}
updateWorker = null;
}
int pageFirst = 0, pageLast = 0;
if (Path.GetExtension(file).ToLower() == ".pdf")
{
int cnt = (int)OCR.GetPDFPagesCount(file);
if (cnt > 1)
{
var wnd_range = new PageRangeWindow(cnt);
wnd_range.ShowDialog(wnd);
if (wnd_range.Cancelled)
{
return;
}
pageFirst = wnd_range.PageFirst;
pageLast = wnd_range.PageLast;
}
}
LoadingWindow wnd_waiter = new LoadingWindow("Rozpoznawanie");
updateWorkerCTS = new CancellationTokenSource();
updateWorkerCT = updateWorkerCTS.Token;
updateWorker = Task.Factory.StartNew(() => {
wnd_waiter.SetStatus("Przygotowywanie");
OCRStatus status = new OCRStatus();
status.OCRCancellationToken = updateWorkerCT;
status.PageCurrentChanged += (sender, e) => {
wnd_waiter.SetStatus($"Rozpoznawanie strony {status.PageCurrent} z {status.PageCount}");
int prc = (int)(100 * status.PageCurrent / status.PageCount);
if (prc > 100)
{
prc = 100;
}
wnd_waiter.SetPercentage(prc);
};
OCRResult result = OCR.GetTextFromFileAsync(file, this.Engine, status, pageFirst, pageLast).Result;
if (result != null)
{
wnd.SetResult(file, result);
}
else
if (status.Error != OctarineError.CancellationRequested)
{
wnd.ShowError(status.Error, status.ErrorMessage);
}
wnd_waiter.Close();
updateWorker = null;
}, updateWorkerCT);
wnd_waiter.ShowDialog(wnd);
if (updateWorker != null && !updateWorker.IsCompleted)
{
updateWorkerCTS.Cancel();
try {
updateWorker.Wait();
} catch {}
updateWorker = null;
}
}
