public override void OnWrite(PageRange[] pages, ParcelFileDescriptor destination,
CancellationSignal cancellationSignal, WriteResultCallback callback)
{
// If we are already cancelled, don't do any work.
if (cancellationSignal.IsCanceled)
{
callback.OnWriteCancelled();
return;
}
var onWriteAsyncTask = new MyOnWriteAsyncTask(this, pages, destination, cancellationSignal, callback);
onWriteAsyncTask.ExecuteOnExecutor(AsyncTask.ThreadPoolExecutor, (Java.Lang.Void[])null);
}
public override void OnWrite(PageRange[] pages, ParcelFileDescriptor destination, CancellationSignal cancellationSignal, WriteResultCallback callback)
{
InputStream input = null;
OutputStream output = null;
try
{
File file = new File(path);
input = new FileInputStream(file);
output = new FileOutputStream(destination.FileDescriptor);
byte[] buf = new byte[8 * 1024];
int ligne;
while ((ligne = input.Read(buf)) >= 0 && !cancellationSignal.IsCanceled)
{
output.Write(buf, 0, ligne);
}
if (cancellationSignal.IsCanceled)
{
callback.OnWriteCancelled();
}
else
{
callback.OnWriteFinished(new PageRange[] { PageRange.AllPages });
}
}
catch (Exception ex)
{
callback.OnWriteFailed(ex.Message);
}
finally
{
try
{
input.Close();
output.Close();
}
catch (IOException ex)
{
Log.Error("e", "", ex.Message);
}
}
}
public override void OnWrite(PageRange[] pages, ParcelFileDescriptor destination, CancellationSignal cancellationSignal, WriteResultCallback callback)
{
InputStream input = null;
OutputStream output = null;
try
{
File file = new File(_filePath);
input = new FileInputStream(file);
output = new FileOutputStream(destination.FileDescriptor);
byte[] buf = new byte[16384];
int size;
while ((size = input.Read(buf)) >= 0 && !cancellationSignal.IsCanceled)
{
output.Write(buf, 0, size);
}
if (cancellationSignal.IsCanceled)
{
callback.OnWriteCancelled();
}
else
{
callback.OnWriteFinished(new PageRange[] { PageRange.AllPages });
}
}
catch (Exception e)
{
callback.OnWriteFailed(e.Message);
System.Diagnostics.Debug.WriteLine(e.Message);
}
finally
{
try
{
input?.Close();
output?.Close();
}
catch (IOException e)
{
System.Diagnostics.Debug.WriteLine(e.Message);
}
}
}
public override void OnWrite(PageRange[] pages, ParcelFileDescriptor destination, CancellationSignal cancellationSignal, WriteResultCallback callback)
{
int totalPages = 1;
for (int i = 0; i < totalPages; i++)
{
if (pageInRange(pages, i))
{
PdfDocument.Page[] writtenPagesArray;
PdfDocument.Page page = mPdfDocument.StartPage(i);
if (cancellationSignal.IsCanceled)
{
callback.OnWriteCancelled();
mPdfDocument.Close();
mPdfDocument = null;
return;
}
drawPage(page);
mPdfDocument.FinishPage(page);
}
}
try
{
FileOutputStream fileOutputStream = new FileOutputStream(destination.FileDescriptor);
MemoryStream stream = new MemoryStream();
mPdfDocument.WriteTo(stream);
byte[] bytes = stream.ToArray();
stream.Close();
fileOutputStream.Write(bytes);
}
catch (Java.IO.IOException e)
{
callback.OnWriteFailed(e.ToString());
return;
}
finally
{
mPdfDocument.Close();
mPdfDocument = null;
}
callback.OnWriteFinished(pages);
}
protected override void OnCancelled()
{
// Task was cancelled, report that.
callback.OnWriteCancelled();
mPdfDocument.Close();
}