public bool Export(string path, IEnumerable<ScannedImage> images, PdfSettings settings, string ocrLanguageCode, Func<int, bool> progressCallback)
{
var forced = appConfigManager.Config.ForcePdfCompat;
var compat = forced == PdfCompat.Default ? settings.Compat : forced;
var document = new PdfDocument();
document.Info.Author = settings.Metadata.Author;
document.Info.Creator = settings.Metadata.Creator;
document.Info.Keywords = settings.Metadata.Keywords;
document.Info.Subject = settings.Metadata.Subject;
document.Info.Title = settings.Metadata.Title;
if (settings.Encryption.EncryptPdf
&& (!string.IsNullOrEmpty(settings.Encryption.OwnerPassword) || !string.IsNullOrEmpty(settings.Encryption.UserPassword)))
{
document.SecuritySettings.DocumentSecurityLevel = PdfDocumentSecurityLevel.Encrypted128Bit;
if (!string.IsNullOrEmpty(settings.Encryption.OwnerPassword))
{
document.SecuritySettings.OwnerPassword = settings.Encryption.OwnerPassword;
}
if (!string.IsNullOrEmpty(settings.Encryption.UserPassword))
{
document.SecuritySettings.UserPassword = settings.Encryption.UserPassword;
}
document.SecuritySettings.PermitAccessibilityExtractContent = settings.Encryption.AllowContentCopyingForAccessibility;
document.SecuritySettings.PermitAnnotations = settings.Encryption.AllowAnnotations;
document.SecuritySettings.PermitAssembleDocument = settings.Encryption.AllowDocumentAssembly;
document.SecuritySettings.PermitExtractContent = settings.Encryption.AllowContentCopying;
document.SecuritySettings.PermitFormsFill = settings.Encryption.AllowFormFilling;
document.SecuritySettings.PermitFullQualityPrint = settings.Encryption.AllowFullQualityPrinting;
document.SecuritySettings.PermitModifyDocument = settings.Encryption.AllowDocumentModification;
document.SecuritySettings.PermitPrint = settings.Encryption.AllowPrinting;
}
bool useOcr = false;
if (ocrLanguageCode != null)
{
if (ocrEngine.CanProcess(ocrLanguageCode))
{
useOcr = true;
}
else
{
Log.Error("OCR files not available for '{0}'.", ocrLanguageCode);
}
}
bool result = useOcr
? BuildDocumentWithOcr(progressCallback, document, compat, images, ocrLanguageCode)
: BuildDocumentWithoutOcr(progressCallback, document, compat, images);
if (!result)
{
return false;
}
var now = DateTime.Now;
document.Info.CreationDate = now;
document.Info.ModificationDate = now;
if (compat == PdfCompat.PdfA1B)
{
PdfAHelper.SetCidStream(document);
PdfAHelper.DisableTransparency(document);
}
if (compat != PdfCompat.Default)
{
PdfAHelper.SetColorProfile(document);
PdfAHelper.SetCidMap(document);
PdfAHelper.CreateXmpMetadata(document, compat);
}
PathHelper.EnsureParentDirExists(path);
document.Save(path);
return true;
}
public async Task <bool> Export(string path, ICollection <ScannedImage.Snapshot> snapshots, PdfSettings settings, OcrParams ocrParams, ProgressHandler progressCallback, CancellationToken cancelToken)
{
return(await Task.Factory.StartNew(() =>
{
var forced = appConfigManager.Config.ForcePdfCompat;
var compat = forced == PdfCompat.Default ? settings.Compat : forced;
var document = new PdfDocument();
document.Info.Author = settings.Metadata.Author;
document.Info.Creator = settings.Metadata.Creator;
document.Info.Keywords = settings.Metadata.Keywords;
document.Info.Subject = settings.Metadata.Subject;
document.Info.Title = settings.Metadata.Title;
if (settings.Encryption.EncryptPdf &&
(!string.IsNullOrEmpty(settings.Encryption.OwnerPassword) || !string.IsNullOrEmpty(settings.Encryption.UserPassword)))
{
document.SecuritySettings.DocumentSecurityLevel = PdfDocumentSecurityLevel.Encrypted128Bit;
if (!string.IsNullOrEmpty(settings.Encryption.OwnerPassword))
{
document.SecuritySettings.OwnerPassword = settings.Encryption.OwnerPassword;
}
if (!string.IsNullOrEmpty(settings.Encryption.UserPassword))
{
document.SecuritySettings.UserPassword = settings.Encryption.UserPassword;
}
document.SecuritySettings.PermitAccessibilityExtractContent = settings.Encryption.AllowContentCopyingForAccessibility;
document.SecuritySettings.PermitAnnotations = settings.Encryption.AllowAnnotations;
document.SecuritySettings.PermitAssembleDocument = settings.Encryption.AllowDocumentAssembly;
document.SecuritySettings.PermitExtractContent = settings.Encryption.AllowContentCopying;
document.SecuritySettings.PermitFormsFill = settings.Encryption.AllowFormFilling;
document.SecuritySettings.PermitFullQualityPrint = settings.Encryption.AllowFullQualityPrinting;
document.SecuritySettings.PermitModifyDocument = settings.Encryption.AllowDocumentModification;
document.SecuritySettings.PermitPrint = settings.Encryption.AllowPrinting;
}
IOcrEngine ocrEngine = null;
if (ocrParams?.LanguageCode != null)
{
var activeEngine = ocrManager.ActiveEngine;
if (activeEngine == null)
{
Log.Error("Supported OCR engine not installed.", ocrParams.LanguageCode);
}
else if (!activeEngine.CanProcess(ocrParams.LanguageCode))
{
Log.Error("OCR files not available for '{0}'.", ocrParams.LanguageCode);
}
else
{
ocrEngine = activeEngine;
}
}
bool result = ocrEngine != null
? BuildDocumentWithOcr(progressCallback, cancelToken, document, compat, snapshots, ocrEngine, ocrParams)
: BuildDocumentWithoutOcr(progressCallback, cancelToken, document, compat, snapshots);
if (!result)
{
return false;
}
var now = DateTime.Now;
document.Info.CreationDate = now;
document.Info.ModificationDate = now;
if (compat == PdfCompat.PdfA1B)
{
PdfAHelper.SetCidStream(document);
PdfAHelper.DisableTransparency(document);
}
if (compat != PdfCompat.Default)
{
PdfAHelper.SetColorProfile(document);
PdfAHelper.SetCidMap(document);
PdfAHelper.CreateXmpMetadata(document, compat);
}
PathHelper.EnsureParentDirExists(path);
document.Save(path);
return true;
}, TaskCreationOptions.LongRunning));
}
