public IEnumerable <int> AltDeinterleave(IEnumerable <int> selectedIndices)
{
lock (this)
{
// Duplicate the list
int count = Images.Count;
int split = (count + 1) / 2;
var images = Images.ToList();
// Rebuild the image list, even-indexed images first (odd-indexed images in reverse order)
Images.Clear();
for (int i = 0; i < split; ++i)
{
Images.Add(images[i * 2]);
}
for (int i = count - split - 1; i >= 0; --i)
{
Images.Add(images[i * 2 + 1]);
}
RecoveryImage.Refresh(Images);
// Clear the selection (may be changed in the future to maintain it, but not necessary)
return(Enumerable.Empty <int>());
}
}
public IEnumerable <int> Deinterleave(IEnumerable <int> selection)
{
lock (this)
{
// Duplicate the list
var count = Images.Count;
var split = (count + 1) / 2;
var images = Images.ToList();
// Rebuild the image list, even-indexed images first
Images.Clear();
for (var i = 0; i < split; ++i)
{
Images.Add(images[i * 2]);
}
for (var i = 0; i < (count - split); ++i)
{
Images.Add(images[i * 2 + 1]);
}
RecoveryImage.Refresh(Images);
// Clear the selection (may be changed in the future to maintain it, but not necessary)
return(Enumerable.Empty <int>());
}
}
public ScannedImage(Bitmap img, ScanBitDepth bitDepth, bool highQuality, int quality)
{
var tempFilePath = ScannedImageHelper.SaveSmallestBitmap(img, bitDepth, highQuality, quality, out var fileFormat);
transformList = new List <Transform>();
recoveryImage = RecoveryImage.CreateNew(fileFormat, bitDepth, highQuality, transformList);
File.Move(tempFilePath, recoveryImage.FilePath);
recoveryImage.Save();
}
public void Delete(IEnumerable <int> selection)
{
lock (this)
{
using (RecoveryImage.DeferSave())
{
foreach (ScannedImage img in Images.ElementsAt(selection))
{
img.Dispose();
}
Images.RemoveAll(selection);
}
}
}
private ScannedImage(string pdfPath, bool copy)
{
transformList = new List <Transform>();
recoveryImage = RecoveryImage.CreateNew(null, ScanBitDepth.C24Bit, false, transformList);
if (copy)
{
File.Copy(pdfPath, recoveryImage.FilePath);
}
else
{
File.Move(pdfPath, recoveryImage.FilePath);
}
recoveryImage.Save();
}
public IEnumerable <int> Reverse(IEnumerable <int> selection)
{
var selectionList = selection.ToList();
int pairCount = selectionList.Count / 2;
// Swap pairs in the selection, excluding the middle element (if the total count is odd)
for (int i = 0; i < pairCount; i++)
{
int x = selectionList[i];
int y = selectionList[selectionList.Count - i - 1];
var temp = Images[x];
Images[x] = Images[y];
Images[y] = temp;
}
RecoveryImage.Refresh(Images);
// Selection stays the same, so is easy to maintain
return(selectionList);
}
public IEnumerable <int> AltInterleave(IEnumerable <int> selectedIndices)
{
// Partition the image list in two
int count = Images.Count;
int split = (count + 1) / 2;
var p1 = Images.Take(split).ToList();
var p2 = Images.Skip(split).ToList();
// Rebuild the image list, taking alternating images from each the partitions (the latter in reverse order)
Images.Clear();
for (int i = 0; i < count; ++i)
{
Images.Add(i % 2 == 0 ? p1[i / 2] : p2[p2.Count - 1 - i / 2]);
}
RecoveryImage.Refresh(Images);
// Clear the selection (may be changed in the future to maintain it, but not necessary)
return(Enumerable.Empty <int>());
}
public IEnumerable <int> DividedScanBooklet(IEnumerable <int> selection)
{
lock (this)
{
var original = Images.ToList();
var max = original.Count;
var middle = max / 2;
Images.Clear();
for (int i = 0; i < original.Count; ++i)
{
Images.Add(original[GetScanIndexForDividedBookletByLogicalPage(i, max, middle)]);
}
RecoveryImage.Refresh(Images);
// Clear the selection (may be changed in the future to maintain it, but not necessary)
return(Enumerable.Empty <int>());
}
}
public IEnumerable <int> Interleave(IEnumerable <int> selection)
{
lock (this)
{
// Partition the image list in two
var count = Images.Count;
var split = (count + 1) / 2;
var p1 = Images.Take(split).ToList();
var p2 = Images.Skip(split).ToList();
// Rebuild the image list, taking alternating images from each the partitions
Images.Clear();
for (var i = 0; i < count; ++i)
{
Images.Add(i % 2 == 0 ? p1[i / 2] : p2[i / 2]);
}
RecoveryImage.Refresh(Images);
// Clear the selection (may be changed in the future to maintain it, but not necessary)
return(Enumerable.Empty <int>());
}
}
public ScannedImage(RecoveryIndexImage recoveryIndexImage)
{
recoveryImage = RecoveryImage.LoadExisting(recoveryIndexImage);
transformList = recoveryImage.IndexImage.TransformList;
}
protected override Task ScanInternal(ScannedImageSource.Concrete source)
{
if (ScanProfile.ProxyConfig == null)
{
throw new InvalidOperationException("ScanProfile.ProxyConfig must be specified to use ProxiedScanDriver.");
}
return(Task.Factory.StartNew(async() =>
{
try
{
using (var client = clientContextFactory.Create(ScanProfile.ProxyConfig))
{
var noUi = ScanParams.NoUi;
var form = Invoker.Current.InvokeGet(() => noUi ? null : formFactory.Create <FScanProgress>());
var pageNumber = 1;
var sem = new Semaphore(0, int.MaxValue);
client.Callback.ImageCallback += (imageBytes, indexImage) =>
{
try
{
indexImage.FileName = RecoveryImage.GetNextFileName() + Path.GetExtension(indexImage.FileName);
var recoveryFilePath = Path.Combine(RecoveryImage.RecoveryFolder.FullName, indexImage.FileName);
File.WriteAllBytes(recoveryFilePath, imageBytes);
var image = new ScannedImage(indexImage);
using (var bitmap = new Bitmap(new MemoryStream(imageBytes)))
{
scannedImageHelper.PostProcessStep2(image, bitmap, ScanProfile, ScanParams, pageNumber++, false);
}
source.Put(image);
if (form != null)
{
form.PageNumber = pageNumber;
Invoker.Current.SafeInvoke(() => form.RefreshStatus());
}
}
finally
{
sem.Release();
}
};
var scanTask = client.Service.Scan(ScanProfile, ScanParams).ContinueWith(t =>
{
for (var i = 0; i < t.Result; i++)
{
sem.WaitOne();
}
});
if (!noUi)
{
form.PageNumber = pageNumber;
form.AsyncTransfer = async() => await scanTask;
form.CancelToken.Register(client.Service.CancelScan);
}
CancelToken.Register(client.Service.CancelScan);
if (noUi)
{
await scanTask;
}
else if (ScanParams.Modal)
{
Invoker.Current.SafeInvoke(() => form.ShowDialog());
}
else
{
Invoker.Current.SafeInvoke(() => form.Show());
await scanTask;
}
}
}
catch (Exception e)
{
Log.ErrorException("Error scanning with proxy", e);
}
}, TaskCreationOptions.LongRunning).Unwrap());
}
