|
public static SaveMultipage ( List |
||
| images | List |
|
| location | string | |
| progressCallback | bool>.Func | |
| return | bool | |
/// <summary>
/// Saves the provided collection of images to a file with the given name. The image type is inferred from the file extension.
/// If multiple images are provided, they will be saved to files with numeric identifiers, e.g. img1.jpg, img2.jpg, etc..
/// </summary>
/// <param name="fileName">The name of the file to save. For multiple images, this is modified by appending a number before the extension.</param>
/// <param name="dateTime"></param>
/// <param name="images">The collection of images to save.</param>
/// <param name="batch"></param>
public bool Start(string fileName, DateTime dateTime, List <ScannedImage> images, bool batch = false)
{
Status = new OperationStatus
{
MaxProgress = images.Count
};
var snapshots = images.Select(x => x.Preserve()).ToList();
RunAsync(async() =>
{
try
{
var subFileName = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime, batch);
if (Directory.Exists(subFileName))
{
// Not supposed to be a directory, but ok...
fileName = Path.Combine(subFileName, "$(n).jpg");
subFileName = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime, batch);
}
ImageFormat format = GetImageFormat(subFileName);
if (Equals(format, ImageFormat.Tiff) && !imageSettingsContainer.ImageSettings.SinglePageTiff)
{
if (File.Exists(subFileName))
{
if (overwritePrompt.ConfirmOverwrite(subFileName) != DialogResult.Yes)
{
return(false);
}
}
Status.StatusText = string.Format(MiscResources.SavingFormat, Path.GetFileName(subFileName));
FirstFileSaved = subFileName;
return(await tiffHelper.SaveMultipage(snapshots, subFileName, imageSettingsContainer.ImageSettings.TiffCompression, OnProgress, CancelToken));
}
int i = 0;
int digits = (int)Math.Floor(Math.Log10(snapshots.Count)) + 1;
foreach (ScannedImage.Snapshot snapshot in snapshots)
{
if (CancelToken.IsCancellationRequested)
{
return(false);
}
Status.CurrentProgress = i;
InvokeStatusChanged();
if (snapshots.Count == 1 && File.Exists(subFileName))
{
var dialogResult = overwritePrompt.ConfirmOverwrite(subFileName);
if (dialogResult == DialogResult.No)
{
continue;
}
if (dialogResult == DialogResult.Cancel)
{
return(false);
}
}
if (snapshots.Count == 1)
{
Status.StatusText = string.Format(MiscResources.SavingFormat, Path.GetFileName(subFileName));
InvokeStatusChanged();
await DoSaveImage(snapshot, subFileName, format);
FirstFileSaved = subFileName;
}
else
{
var fileNameN = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime, true, i,
digits);
Status.StatusText = string.Format(MiscResources.SavingFormat, Path.GetFileName(fileNameN));
InvokeStatusChanged();
await DoSaveImage(snapshot, fileNameN, format);
if (i == 0)
{
FirstFileSaved = fileNameN;
}
}
i++;
}
return(FirstFileSaved != null);
}
catch (UnauthorizedAccessException ex)
{
InvokeError(MiscResources.DontHavePermission, ex);
}
catch (Exception ex)
{
Log.ErrorException(MiscResources.ErrorSaving, ex);
InvokeError(MiscResources.ErrorSaving, ex);
}
finally
{
snapshots.ForEach(s => s.Dispose());
GC.Collect();
}
return(false);
});
Success.ContinueWith(task =>
{
if (task.Result)
{
Log.Event(EventType.SaveImages, new EventParams
{
Name = MiscResources.SaveImages,
Pages = snapshots.Count,
FileFormat = Path.GetExtension(fileName)
});
}
}, TaskContinuationOptions.OnlyOnRanToCompletion);
return(true);
}
/// <summary>
/// Saves the provided collection of images to a file with the given name. The image type is inferred from the file extension.
/// If multiple images are provided, they will be saved to files with numeric identifiers, e.g. img1.jpg, img2.jpg, etc..
/// </summary>
/// <param name="fileName">The name of the file to save. For multiple images, this is modified by appending a number before the extension.</param>
/// <param name="dateTime"></param>
/// <param name="images">The collection of images to save.</param>
/// <param name="batch"></param>
public bool Start(string fileName, DateTime dateTime, List <ScannedImage> images, bool batch = false)
{
Status = new OperationStatus
{
MaxProgress = images.Count
};
cancel = false;
thread = threadFactory.StartThread(() =>
{
try
{
var subFileName = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime, batch);
if (Directory.Exists(subFileName))
{
// Not supposed to be a directory, but ok...
fileName = Path.Combine(subFileName, "$(n).jpg");
subFileName = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime, batch);
}
ImageFormat format = GetImageFormat(subFileName);
if (Equals(format, ImageFormat.Tiff))
{
if (File.Exists(subFileName))
{
if (overwritePrompt.ConfirmOverwrite(subFileName) != DialogResult.Yes)
{
return;
}
}
Status.StatusText = string.Format(MiscResources.SavingFormat, Path.GetFileName(subFileName));
Status.Success = TiffHelper.SaveMultipage(images, subFileName, j =>
{
Status.CurrentProgress = j;
InvokeStatusChanged();
return(!cancel);
});
FirstFileSaved = subFileName;
return;
}
int i = 0;
int digits = (int)Math.Floor(Math.Log10(images.Count)) + 1;
foreach (ScannedImage img in images)
{
if (cancel)
{
return;
}
Status.CurrentProgress = i;
InvokeStatusChanged();
if (images.Count == 1 && File.Exists(subFileName))
{
var dialogResult = overwritePrompt.ConfirmOverwrite(subFileName);
if (dialogResult == DialogResult.No)
{
continue;
}
if (dialogResult == DialogResult.Cancel)
{
return;
}
}
using (Bitmap baseImage = img.GetImage())
{
if (images.Count == 1)
{
Status.StatusText = string.Format(MiscResources.SavingFormat, Path.GetFileName(subFileName));
InvokeStatusChanged();
DoSaveImage(baseImage, subFileName, format);
FirstFileSaved = subFileName;
}
else
{
var fileNameN = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime, true, i,
digits);
Status.StatusText = string.Format(MiscResources.SavingFormat, Path.GetFileName(fileNameN));
InvokeStatusChanged();
DoSaveImage(baseImage, fileNameN, format);
if (i == 0)
{
FirstFileSaved = fileNameN;
}
}
}
i++;
}
Status.Success = true;
}
catch (UnauthorizedAccessException ex)
{
InvokeError(MiscResources.DontHavePermission, ex);
}
catch (Exception ex)
{
Log.ErrorException(MiscResources.ErrorSaving, ex);
InvokeError(MiscResources.ErrorSaving, ex);
}
finally
{
GC.Collect();
InvokeFinished();
}
});
return(true);
}
/// <summary>
/// Saves the provided collection of images to a file with the given name. The image type is inferred from the file extension.
/// If multiple images are provided, they will be saved to files with numeric identifiers, e.g. img1.jpg, img2.jpg, etc..
/// </summary>
/// <param name="fileName">The name of the file to save. For multiple images, this is modified by appending a number before the extension.</param>
/// <param name="dateTime"></param>
/// <param name="images">The collection of images to save.</param>
public void SaveImages(string fileName, DateTime dateTime, ICollection <IScannedImage> images, Func <int, bool> progressCallback)
{
try
{
var subFileName = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime);
ImageFormat format = GetImageFormat(subFileName);
if (Equals(format, ImageFormat.Tiff))
{
if (File.Exists(subFileName))
{
if (overwritePrompt.ConfirmOverwrite(subFileName) != DialogResult.Yes)
{
return;
}
}
Image[] bitmaps = images.Select(x => (Image)x.GetImage()).ToArray();
TiffHelper.SaveMultipage(bitmaps, subFileName);
foreach (Image bitmap in bitmaps)
{
bitmap.Dispose();
}
return;
}
int i = 1;
int digits = (int)Math.Floor(Math.Log10(images.Count)) + 1;
foreach (IScannedImage img in images)
{
if (!progressCallback(i))
{
return;
}
if (images.Count == 1 && File.Exists(subFileName))
{
var dialogResult = overwritePrompt.ConfirmOverwrite(subFileName);
if (dialogResult == DialogResult.No)
{
continue;
}
if (dialogResult == DialogResult.Cancel)
{
return;
}
}
using (Bitmap baseImage = img.GetImage())
{
if (images.Count == 1)
{
DoSaveImage(baseImage, subFileName, format);
}
else
{
var fileNameN = fileNamePlaceholders.SubstitutePlaceholders(fileName, dateTime, true, i - 1, digits);
DoSaveImage(baseImage, fileNameN, format);
}
}
i++;
}
}
catch (UnauthorizedAccessException)
{
errorOutput.DisplayError(MiscResources.DontHavePermission);
}
catch (IOException ex)
{
Log.ErrorException(MiscResources.ErrorSaving, ex);
errorOutput.DisplayError(MiscResources.ErrorSaving);
}
}