GIT: perform LF normalization
This commit is contained in:
Gary Sharp
@@ -1,251 +1,251 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using Disco.Models.Repository;
|
||||
using Disco.Data.Repository;
|
||||
using Disco.Models.BI.DocumentTemplates;
|
||||
using System.IO;
|
||||
using iTextSharp.text.pdf;
|
||||
using System.Collections.Concurrent;
|
||||
using Disco.BI.Expressions;
|
||||
using System.Collections;
|
||||
using Disco.BI.Extensions;
|
||||
using Disco.Models.BI.Expressions;
|
||||
|
||||
namespace Disco.BI.Interop.Pdf
|
||||
{
|
||||
public static class PdfGenerator
|
||||
{
|
||||
|
||||
public static System.IO.Stream GenerateBulkFromTemplate(DocumentTemplate dt, DiscoDataContext dbContext, User CreatorUser, System.DateTime Timestamp, params object[] DataObjects)
|
||||
{
|
||||
if (DataObjects.Length > 0)
|
||||
{
|
||||
List<Stream> generatedPdfs = new List<Stream>(DataObjects.Length);
|
||||
using (Models.BI.DocumentTemplates.DocumentState state = Models.BI.DocumentTemplates.DocumentState.DefaultState())
|
||||
{
|
||||
foreach (object d in DataObjects)
|
||||
{
|
||||
generatedPdfs.Add(dt.GeneratePdf(dbContext, d, CreatorUser, Timestamp, state, true));
|
||||
state.SequenceNumber++;
|
||||
state.FlushScopeCache();
|
||||
}
|
||||
}
|
||||
if (generatedPdfs.Count == 1)
|
||||
{
|
||||
return generatedPdfs[0];
|
||||
}
|
||||
else
|
||||
{
|
||||
Stream bulkPdf = DocumentTemplateBI.Utilities.JoinPdfs(generatedPdfs.ToArray());
|
||||
foreach (Stream singlePdf in generatedPdfs)
|
||||
singlePdf.Dispose();
|
||||
return bulkPdf;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public static System.IO.Stream GenerateBulkFromTemplate(DocumentTemplate dt, DiscoDataContext dbContext, User CreatorUser, System.DateTime Timestamp, params string[] DataObjectsIds)
|
||||
{
|
||||
object[] DataObjects;
|
||||
|
||||
switch (dt.Scope)
|
||||
{
|
||||
case DocumentTemplate.DocumentTemplateScopes.Device:
|
||||
DataObjects = dbContext.Devices.Where(d => DataObjectsIds.Contains(d.SerialNumber)).ToArray();
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.Job:
|
||||
int[] intDataObjectsIds = DataObjectsIds.Select(i => int.Parse(i)).ToArray();
|
||||
DataObjects = dbContext.Jobs.Where(j => intDataObjectsIds.Contains(j.Id)).ToArray();
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.User:
|
||||
DataObjects = new object[DataObjectsIds.Length];
|
||||
for (int idIndex = 0; idIndex < DataObjectsIds.Length; idIndex++)
|
||||
{
|
||||
DataObjects[idIndex] = UserBI.UserCache.GetUser(DataObjectsIds[idIndex], dbContext, true);
|
||||
if (DataObjects[idIndex] == null)
|
||||
throw new Exception(string.Format("Unknown Username specified: {0}", DataObjectsIds[idIndex]));
|
||||
}
|
||||
break;
|
||||
default:
|
||||
throw new InvalidOperationException("Invalid DocumentType Scope");
|
||||
}
|
||||
|
||||
return GenerateBulkFromTemplate(dt, dbContext, CreatorUser, Timestamp, DataObjects);
|
||||
}
|
||||
|
||||
public static System.IO.Stream GenerateFromTemplate(DocumentTemplate dt, DiscoDataContext dbContext, object Data, User CreatorUser, System.DateTime TimeStamp, DocumentState State, bool FlattenFields = false)
|
||||
{
|
||||
// Validate Data
|
||||
switch (dt.Scope)
|
||||
{
|
||||
case DocumentTemplate.DocumentTemplateScopes.Device:
|
||||
if (!(Data is Device))
|
||||
throw new ArgumentException("This AttachmentType is configured for Devices only", "Data");
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.Job:
|
||||
if (!(Data is Job))
|
||||
throw new ArgumentException("This AttachmentType is configured for Jobs only", "Data");
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.User:
|
||||
if (!(Data is User))
|
||||
throw new ArgumentException("This AttachmentType is configured for Users only", "Data");
|
||||
break;
|
||||
default:
|
||||
throw new InvalidOperationException("Invalid AttachmentType Scope");
|
||||
}
|
||||
|
||||
dbContext.Configuration.LazyLoadingEnabled = true;
|
||||
|
||||
// Override FlattenFields if Document Template instructs.
|
||||
if (dt.FlattenForm)
|
||||
FlattenFields = true;
|
||||
|
||||
ConcurrentDictionary<string, Expression> expressionCache = dt.PdfExpressionsFromCache(dbContext);
|
||||
|
||||
string templateFilename = dt.RepositoryFilename(dbContext);
|
||||
PdfReader pdfReader = new PdfReader(templateFilename);
|
||||
|
||||
MemoryStream pdfGeneratedStream = new MemoryStream();
|
||||
PdfStamper pdfStamper = new PdfStamper(pdfReader, pdfGeneratedStream);
|
||||
|
||||
pdfStamper.FormFlattening = FlattenFields;
|
||||
pdfStamper.Writer.CloseStream = false;
|
||||
|
||||
IDictionary expressionVariables = Expression.StandardVariables(dt, dbContext, CreatorUser, TimeStamp, State);
|
||||
|
||||
foreach (string pdfFieldKey in pdfStamper.AcroFields.Fields.Keys)
|
||||
{
|
||||
if (pdfFieldKey.Equals("DiscoAttachmentId", StringComparison.InvariantCultureIgnoreCase))
|
||||
{
|
||||
AcroFields.Item fields = pdfStamper.AcroFields.Fields[pdfFieldKey];
|
||||
string fieldValue = dt.UniqueIdentifier(Data, CreatorUser.Id, TimeStamp);
|
||||
if (FlattenFields)
|
||||
pdfStamper.AcroFields.SetField(pdfFieldKey, String.Empty);
|
||||
else
|
||||
pdfStamper.AcroFields.SetField(pdfFieldKey, fieldValue);
|
||||
|
||||
IList<AcroFields.FieldPosition> pdfFieldPositions = pdfStamper.AcroFields.GetFieldPositions(pdfFieldKey);
|
||||
for (int pdfFieldOrdinal = 0; pdfFieldOrdinal < fields.Size; pdfFieldOrdinal++)
|
||||
{
|
||||
AcroFields.FieldPosition pdfFieldPosition = pdfFieldPositions[pdfFieldOrdinal];
|
||||
string pdfBarcodeContent = dt.UniquePageIdentifier(Data, CreatorUser.Id, TimeStamp, pdfFieldPosition.page);
|
||||
BarcodeQRCode pdfBarcode = new BarcodeQRCode(pdfBarcodeContent, (int)pdfFieldPosition.position.Width, (int)pdfFieldPosition.position.Height, null);
|
||||
iTextSharp.text.Image pdfBarcodeImage = pdfBarcode.GetImage();
|
||||
pdfBarcodeImage.SetAbsolutePosition(pdfFieldPosition.position.Left, pdfFieldPosition.position.Bottom);
|
||||
pdfStamper.GetOverContent(pdfFieldPosition.page).AddImage(pdfBarcodeImage);
|
||||
}
|
||||
// Hide Fields
|
||||
PdfDictionary field = fields.GetValue(0);
|
||||
if ((PdfName)field.Get(PdfName.TYPE) == PdfName.ANNOT)
|
||||
{
|
||||
field.Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
else
|
||||
{
|
||||
PdfArray fieldKids = (PdfArray)field.Get(PdfName.KIDS);
|
||||
foreach (PdfIndirectReference fieldKidRef in fieldKids)
|
||||
{
|
||||
((PdfDictionary)pdfReader.GetPdfObject(fieldKidRef.Number)).Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Expression fieldExpression = null;
|
||||
if (expressionCache.TryGetValue(pdfFieldKey, out fieldExpression))
|
||||
{
|
||||
if (fieldExpression.IsDynamic)
|
||||
{
|
||||
Tuple<string, bool, object> fieldExpressionResult = fieldExpression.Evaluate(Data, expressionVariables);
|
||||
|
||||
if (fieldExpressionResult.Item3 != null)
|
||||
{
|
||||
IImageExpressionResult imageResult = (fieldExpressionResult.Item3 as IImageExpressionResult);
|
||||
if (imageResult != null)
|
||||
{
|
||||
// Output Image
|
||||
AcroFields.Item fields = pdfStamper.AcroFields.Fields[pdfFieldKey];
|
||||
IList<AcroFields.FieldPosition> pdfFieldPositions = pdfStamper.AcroFields.GetFieldPositions(pdfFieldKey);
|
||||
for (int pdfFieldOrdinal = 0; pdfFieldOrdinal < fields.Size; pdfFieldOrdinal++)
|
||||
{
|
||||
AcroFields.FieldPosition pdfFieldPosition = pdfFieldPositions[pdfFieldOrdinal];
|
||||
iTextSharp.text.Image pdfImage = iTextSharp.text.Image.GetInstance(imageResult.GetImage((int)pdfFieldPosition.position.Width, (int)pdfFieldPosition.position.Height));
|
||||
pdfImage.SetAbsolutePosition(pdfFieldPosition.position.Left, pdfFieldPosition.position.Bottom);
|
||||
pdfStamper.GetOverContent(pdfFieldPosition.page).AddImage(pdfImage);
|
||||
}
|
||||
if (!fieldExpressionResult.Item2 && !imageResult.ShowField)
|
||||
{
|
||||
// Hide Fields
|
||||
PdfDictionary field = fields.GetValue(0);
|
||||
if ((PdfName)field.Get(PdfName.TYPE) == PdfName.ANNOT)
|
||||
{
|
||||
field.Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
else
|
||||
{
|
||||
PdfArray fieldKids = (PdfArray)field.Get(PdfName.KIDS);
|
||||
foreach (PdfIndirectReference fieldKidRef in fieldKids)
|
||||
{
|
||||
((PdfDictionary)pdfReader.GetPdfObject(fieldKidRef.Number)).Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pdfStamper.AcroFields.SetField(pdfFieldKey, fieldExpressionResult.Item1);
|
||||
|
||||
if (fieldExpressionResult.Item2) // Expression Error
|
||||
{
|
||||
AcroFields.Item fields = pdfStamper.AcroFields.Fields[pdfFieldKey];
|
||||
for (int pdfFieldOrdinal = 0; pdfFieldOrdinal < fields.Size; pdfFieldOrdinal++)
|
||||
{
|
||||
PdfDictionary field = fields.GetValue(pdfFieldOrdinal);
|
||||
PdfDictionary fieldMK;
|
||||
if (field.Contains(PdfName.MK))
|
||||
fieldMK = field.GetAsDict(PdfName.MK);
|
||||
else
|
||||
{
|
||||
fieldMK = new PdfDictionary(PdfName.MK);
|
||||
field.Put(PdfName.MK, fieldMK);
|
||||
}
|
||||
fieldMK.Put(PdfName.BC, new PdfArray(new float[] { 1, 0, 0 }));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new InvalidOperationException("Pdf template field expressions are out of sync with the expression cache");
|
||||
}
|
||||
}
|
||||
State.FlushFieldCache();
|
||||
}
|
||||
|
||||
pdfStamper.Close();
|
||||
pdfReader.Close();
|
||||
|
||||
if (dt.Scope == DocumentTemplate.DocumentTemplateScopes.Job)
|
||||
{
|
||||
// Write Job Log
|
||||
|
||||
Job j = (Job)Data;
|
||||
JobLog jl = new JobLog()
|
||||
{
|
||||
JobId = j.Id,
|
||||
TechUserId = CreatorUser.Id,
|
||||
Timestamp = DateTime.Now
|
||||
};
|
||||
jl.Comments = string.Format("Document Generated{0}{1} [{2}]", Environment.NewLine, dt.Description, dt.Id);
|
||||
dbContext.JobLogs.Add(jl);
|
||||
}
|
||||
|
||||
pdfGeneratedStream.Position = 0;
|
||||
return pdfGeneratedStream;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using Disco.Models.Repository;
|
||||
using Disco.Data.Repository;
|
||||
using Disco.Models.BI.DocumentTemplates;
|
||||
using System.IO;
|
||||
using iTextSharp.text.pdf;
|
||||
using System.Collections.Concurrent;
|
||||
using Disco.BI.Expressions;
|
||||
using System.Collections;
|
||||
using Disco.BI.Extensions;
|
||||
using Disco.Models.BI.Expressions;
|
||||
|
||||
namespace Disco.BI.Interop.Pdf
|
||||
{
|
||||
public static class PdfGenerator
|
||||
{
|
||||
|
||||
public static System.IO.Stream GenerateBulkFromTemplate(DocumentTemplate dt, DiscoDataContext dbContext, User CreatorUser, System.DateTime Timestamp, params object[] DataObjects)
|
||||
{
|
||||
if (DataObjects.Length > 0)
|
||||
{
|
||||
List<Stream> generatedPdfs = new List<Stream>(DataObjects.Length);
|
||||
using (Models.BI.DocumentTemplates.DocumentState state = Models.BI.DocumentTemplates.DocumentState.DefaultState())
|
||||
{
|
||||
foreach (object d in DataObjects)
|
||||
{
|
||||
generatedPdfs.Add(dt.GeneratePdf(dbContext, d, CreatorUser, Timestamp, state, true));
|
||||
state.SequenceNumber++;
|
||||
state.FlushScopeCache();
|
||||
}
|
||||
}
|
||||
if (generatedPdfs.Count == 1)
|
||||
{
|
||||
return generatedPdfs[0];
|
||||
}
|
||||
else
|
||||
{
|
||||
Stream bulkPdf = DocumentTemplateBI.Utilities.JoinPdfs(generatedPdfs.ToArray());
|
||||
foreach (Stream singlePdf in generatedPdfs)
|
||||
singlePdf.Dispose();
|
||||
return bulkPdf;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public static System.IO.Stream GenerateBulkFromTemplate(DocumentTemplate dt, DiscoDataContext dbContext, User CreatorUser, System.DateTime Timestamp, params string[] DataObjectsIds)
|
||||
{
|
||||
object[] DataObjects;
|
||||
|
||||
switch (dt.Scope)
|
||||
{
|
||||
case DocumentTemplate.DocumentTemplateScopes.Device:
|
||||
DataObjects = dbContext.Devices.Where(d => DataObjectsIds.Contains(d.SerialNumber)).ToArray();
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.Job:
|
||||
int[] intDataObjectsIds = DataObjectsIds.Select(i => int.Parse(i)).ToArray();
|
||||
DataObjects = dbContext.Jobs.Where(j => intDataObjectsIds.Contains(j.Id)).ToArray();
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.User:
|
||||
DataObjects = new object[DataObjectsIds.Length];
|
||||
for (int idIndex = 0; idIndex < DataObjectsIds.Length; idIndex++)
|
||||
{
|
||||
DataObjects[idIndex] = UserBI.UserCache.GetUser(DataObjectsIds[idIndex], dbContext, true);
|
||||
if (DataObjects[idIndex] == null)
|
||||
throw new Exception(string.Format("Unknown Username specified: {0}", DataObjectsIds[idIndex]));
|
||||
}
|
||||
break;
|
||||
default:
|
||||
throw new InvalidOperationException("Invalid DocumentType Scope");
|
||||
}
|
||||
|
||||
return GenerateBulkFromTemplate(dt, dbContext, CreatorUser, Timestamp, DataObjects);
|
||||
}
|
||||
|
||||
public static System.IO.Stream GenerateFromTemplate(DocumentTemplate dt, DiscoDataContext dbContext, object Data, User CreatorUser, System.DateTime TimeStamp, DocumentState State, bool FlattenFields = false)
|
||||
{
|
||||
// Validate Data
|
||||
switch (dt.Scope)
|
||||
{
|
||||
case DocumentTemplate.DocumentTemplateScopes.Device:
|
||||
if (!(Data is Device))
|
||||
throw new ArgumentException("This AttachmentType is configured for Devices only", "Data");
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.Job:
|
||||
if (!(Data is Job))
|
||||
throw new ArgumentException("This AttachmentType is configured for Jobs only", "Data");
|
||||
break;
|
||||
case DocumentTemplate.DocumentTemplateScopes.User:
|
||||
if (!(Data is User))
|
||||
throw new ArgumentException("This AttachmentType is configured for Users only", "Data");
|
||||
break;
|
||||
default:
|
||||
throw new InvalidOperationException("Invalid AttachmentType Scope");
|
||||
}
|
||||
|
||||
dbContext.Configuration.LazyLoadingEnabled = true;
|
||||
|
||||
// Override FlattenFields if Document Template instructs.
|
||||
if (dt.FlattenForm)
|
||||
FlattenFields = true;
|
||||
|
||||
ConcurrentDictionary<string, Expression> expressionCache = dt.PdfExpressionsFromCache(dbContext);
|
||||
|
||||
string templateFilename = dt.RepositoryFilename(dbContext);
|
||||
PdfReader pdfReader = new PdfReader(templateFilename);
|
||||
|
||||
MemoryStream pdfGeneratedStream = new MemoryStream();
|
||||
PdfStamper pdfStamper = new PdfStamper(pdfReader, pdfGeneratedStream);
|
||||
|
||||
pdfStamper.FormFlattening = FlattenFields;
|
||||
pdfStamper.Writer.CloseStream = false;
|
||||
|
||||
IDictionary expressionVariables = Expression.StandardVariables(dt, dbContext, CreatorUser, TimeStamp, State);
|
||||
|
||||
foreach (string pdfFieldKey in pdfStamper.AcroFields.Fields.Keys)
|
||||
{
|
||||
if (pdfFieldKey.Equals("DiscoAttachmentId", StringComparison.InvariantCultureIgnoreCase))
|
||||
{
|
||||
AcroFields.Item fields = pdfStamper.AcroFields.Fields[pdfFieldKey];
|
||||
string fieldValue = dt.UniqueIdentifier(Data, CreatorUser.Id, TimeStamp);
|
||||
if (FlattenFields)
|
||||
pdfStamper.AcroFields.SetField(pdfFieldKey, String.Empty);
|
||||
else
|
||||
pdfStamper.AcroFields.SetField(pdfFieldKey, fieldValue);
|
||||
|
||||
IList<AcroFields.FieldPosition> pdfFieldPositions = pdfStamper.AcroFields.GetFieldPositions(pdfFieldKey);
|
||||
for (int pdfFieldOrdinal = 0; pdfFieldOrdinal < fields.Size; pdfFieldOrdinal++)
|
||||
{
|
||||
AcroFields.FieldPosition pdfFieldPosition = pdfFieldPositions[pdfFieldOrdinal];
|
||||
string pdfBarcodeContent = dt.UniquePageIdentifier(Data, CreatorUser.Id, TimeStamp, pdfFieldPosition.page);
|
||||
BarcodeQRCode pdfBarcode = new BarcodeQRCode(pdfBarcodeContent, (int)pdfFieldPosition.position.Width, (int)pdfFieldPosition.position.Height, null);
|
||||
iTextSharp.text.Image pdfBarcodeImage = pdfBarcode.GetImage();
|
||||
pdfBarcodeImage.SetAbsolutePosition(pdfFieldPosition.position.Left, pdfFieldPosition.position.Bottom);
|
||||
pdfStamper.GetOverContent(pdfFieldPosition.page).AddImage(pdfBarcodeImage);
|
||||
}
|
||||
// Hide Fields
|
||||
PdfDictionary field = fields.GetValue(0);
|
||||
if ((PdfName)field.Get(PdfName.TYPE) == PdfName.ANNOT)
|
||||
{
|
||||
field.Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
else
|
||||
{
|
||||
PdfArray fieldKids = (PdfArray)field.Get(PdfName.KIDS);
|
||||
foreach (PdfIndirectReference fieldKidRef in fieldKids)
|
||||
{
|
||||
((PdfDictionary)pdfReader.GetPdfObject(fieldKidRef.Number)).Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
Expression fieldExpression = null;
|
||||
if (expressionCache.TryGetValue(pdfFieldKey, out fieldExpression))
|
||||
{
|
||||
if (fieldExpression.IsDynamic)
|
||||
{
|
||||
Tuple<string, bool, object> fieldExpressionResult = fieldExpression.Evaluate(Data, expressionVariables);
|
||||
|
||||
if (fieldExpressionResult.Item3 != null)
|
||||
{
|
||||
IImageExpressionResult imageResult = (fieldExpressionResult.Item3 as IImageExpressionResult);
|
||||
if (imageResult != null)
|
||||
{
|
||||
// Output Image
|
||||
AcroFields.Item fields = pdfStamper.AcroFields.Fields[pdfFieldKey];
|
||||
IList<AcroFields.FieldPosition> pdfFieldPositions = pdfStamper.AcroFields.GetFieldPositions(pdfFieldKey);
|
||||
for (int pdfFieldOrdinal = 0; pdfFieldOrdinal < fields.Size; pdfFieldOrdinal++)
|
||||
{
|
||||
AcroFields.FieldPosition pdfFieldPosition = pdfFieldPositions[pdfFieldOrdinal];
|
||||
iTextSharp.text.Image pdfImage = iTextSharp.text.Image.GetInstance(imageResult.GetImage((int)pdfFieldPosition.position.Width, (int)pdfFieldPosition.position.Height));
|
||||
pdfImage.SetAbsolutePosition(pdfFieldPosition.position.Left, pdfFieldPosition.position.Bottom);
|
||||
pdfStamper.GetOverContent(pdfFieldPosition.page).AddImage(pdfImage);
|
||||
}
|
||||
if (!fieldExpressionResult.Item2 && !imageResult.ShowField)
|
||||
{
|
||||
// Hide Fields
|
||||
PdfDictionary field = fields.GetValue(0);
|
||||
if ((PdfName)field.Get(PdfName.TYPE) == PdfName.ANNOT)
|
||||
{
|
||||
field.Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
else
|
||||
{
|
||||
PdfArray fieldKids = (PdfArray)field.Get(PdfName.KIDS);
|
||||
foreach (PdfIndirectReference fieldKidRef in fieldKids)
|
||||
{
|
||||
((PdfDictionary)pdfReader.GetPdfObject(fieldKidRef.Number)).Put(PdfName.F, new PdfNumber(6));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pdfStamper.AcroFields.SetField(pdfFieldKey, fieldExpressionResult.Item1);
|
||||
|
||||
if (fieldExpressionResult.Item2) // Expression Error
|
||||
{
|
||||
AcroFields.Item fields = pdfStamper.AcroFields.Fields[pdfFieldKey];
|
||||
for (int pdfFieldOrdinal = 0; pdfFieldOrdinal < fields.Size; pdfFieldOrdinal++)
|
||||
{
|
||||
PdfDictionary field = fields.GetValue(pdfFieldOrdinal);
|
||||
PdfDictionary fieldMK;
|
||||
if (field.Contains(PdfName.MK))
|
||||
fieldMK = field.GetAsDict(PdfName.MK);
|
||||
else
|
||||
{
|
||||
fieldMK = new PdfDictionary(PdfName.MK);
|
||||
field.Put(PdfName.MK, fieldMK);
|
||||
}
|
||||
fieldMK.Put(PdfName.BC, new PdfArray(new float[] { 1, 0, 0 }));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new InvalidOperationException("Pdf template field expressions are out of sync with the expression cache");
|
||||
}
|
||||
}
|
||||
State.FlushFieldCache();
|
||||
}
|
||||
|
||||
pdfStamper.Close();
|
||||
pdfReader.Close();
|
||||
|
||||
if (dt.Scope == DocumentTemplate.DocumentTemplateScopes.Job)
|
||||
{
|
||||
// Write Job Log
|
||||
|
||||
Job j = (Job)Data;
|
||||
JobLog jl = new JobLog()
|
||||
{
|
||||
JobId = j.Id,
|
||||
TechUserId = CreatorUser.Id,
|
||||
Timestamp = DateTime.Now
|
||||
};
|
||||
jl.Comments = string.Format("Document Generated{0}{1} [{2}]", Environment.NewLine, dt.Description, dt.Id);
|
||||
dbContext.JobLogs.Add(jl);
|
||||
}
|
||||
|
||||
pdfGeneratedStream.Position = 0;
|
||||
return pdfGeneratedStream;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,471 +1,471 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using iTextSharp.text.pdf;
|
||||
using System.IO;
|
||||
using System.Drawing;
|
||||
using Disco.BI.DocumentTemplateBI.Importer;
|
||||
using Disco.BI.DocumentTemplateBI;
|
||||
using System.Drawing.Drawing2D;
|
||||
using com.google.zxing;
|
||||
using com.google.zxing.multi.qrcode;
|
||||
using Disco.Data.Repository;
|
||||
using System.Web.Caching;
|
||||
using Disco.BI.Extensions;
|
||||
using Disco.Models.Repository;
|
||||
using System.Collections;
|
||||
using com.google.zxing.common;
|
||||
using BitMiracle.LibTiff.Classic;
|
||||
|
||||
namespace Disco.BI.Interop.Pdf
|
||||
{
|
||||
public static class PdfImporter
|
||||
{
|
||||
|
||||
private class DetectImageResult : IDisposable
|
||||
{
|
||||
public Result Result { get; set; }
|
||||
public Point ResultOffset { get; set; }
|
||||
public double ResultScale { get; set; }
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
// Do Nothing; yet...
|
||||
}
|
||||
}
|
||||
|
||||
private class DetectPageResult : IDisposable
|
||||
{
|
||||
public int PageNumber { get; set; }
|
||||
public DocumentUniqueIdentifier DetectedIdentifier { get; set; }
|
||||
public Disco.BI.Extensions.UtilityExtensions.ImageMontage ThumbnailImage { get; set; }
|
||||
public MemoryStream AttachmentThumbnailImage { get; set; }
|
||||
public Disco.BI.Extensions.UtilityExtensions.ImageMontage UndetectedPageImage { get; set; }
|
||||
|
||||
public void DrawThumbnailImageResult(DetectImageResult Result, Image DetectedImage)
|
||||
{
|
||||
if (Result.Result.ResultPoints.Length == 4)
|
||||
{ // Draw Square on Thumbnail
|
||||
using (Graphics thumbnailGraphics = Graphics.FromImage(ThumbnailImage.Montage))
|
||||
{
|
||||
var thumbnailOffset = ThumbnailImage.MontageSourceImageOffsets[DetectedImage];
|
||||
|
||||
var linePoints = Result.Result.ResultPoints.Select(p => new Point((int)(thumbnailOffset + ((Result.ResultOffset.X + p.X) * Result.ResultScale * ThumbnailImage.MontageScale)), (int)((p.Y + Result.ResultOffset.Y) * Result.ResultScale * ThumbnailImage.MontageScale))).ToArray();
|
||||
using (GraphicsPath graphicsPath = new GraphicsPath())
|
||||
{
|
||||
for (int linePointIndex = 0; linePointIndex < (linePoints.Length - 1); linePointIndex++)
|
||||
graphicsPath.AddLine(linePoints[linePointIndex], linePoints[linePointIndex + 1]);
|
||||
graphicsPath.AddLine(linePoints[linePoints.Length - 1], linePoints[0]);
|
||||
using (SolidBrush graphicsBrush = new SolidBrush(Color.FromArgb(128, 255, 0, 0)))
|
||||
thumbnailGraphics.FillPath(graphicsBrush, graphicsPath);
|
||||
using (Pen graphicsPen = new Pen(Color.FromArgb(200, 255, 0, 0), 2))
|
||||
thumbnailGraphics.DrawPath(graphicsPen, graphicsPath);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
if (ThumbnailImage != null)
|
||||
{
|
||||
ThumbnailImage.Dispose();
|
||||
ThumbnailImage = null;
|
||||
}
|
||||
if (AttachmentThumbnailImage != null)
|
||||
{
|
||||
AttachmentThumbnailImage.Dispose();
|
||||
AttachmentThumbnailImage = null;
|
||||
}
|
||||
if (UndetectedPageImage != null)
|
||||
{
|
||||
UndetectedPageImage.Dispose();
|
||||
UndetectedPageImage = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static DetectImageResult DetectImage(DiscoDataContext dbContext, Bitmap pageImageOriginal, string SessionId, IEnumerable<DocumentTemplate> detectDocumentTemplates)
|
||||
{
|
||||
Bitmap pageImage = pageImageOriginal;
|
||||
double pageImageModifiedScale = 1;
|
||||
|
||||
try
|
||||
{
|
||||
// Resize if Resolution > 80; Set to 72 Dpi
|
||||
if (pageImage.HorizontalResolution > 80 || pageImage.VerticalResolution > 80)
|
||||
{
|
||||
pageImageModifiedScale = pageImage.HorizontalResolution / 72;
|
||||
int newWidth = (int)((72 / pageImage.HorizontalResolution) * pageImage.Width);
|
||||
int newHeight = (int)((72 / pageImage.VerticalResolution) * pageImage.Height);
|
||||
pageImage = pageImage.ResizeImage(newWidth, newHeight);
|
||||
}
|
||||
|
||||
Result zxingResult = default(Result);
|
||||
Point zxingResultOffset = Point.Empty;
|
||||
QRCodeMultiReader zxingMfr = new QRCodeMultiReader();
|
||||
Hashtable zxingMfrHints = new Hashtable();
|
||||
zxingMfrHints.Add(DecodeHintType.TRY_HARDER, true);
|
||||
// Look in 'Known' locations
|
||||
foreach (DocumentTemplate dt in detectDocumentTemplates)
|
||||
{
|
||||
var locationBag = dt.QRCodeLocations(dbContext);
|
||||
foreach (var location in locationBag)
|
||||
{
|
||||
System.Drawing.Rectangle region = new Rectangle(
|
||||
(int)(pageImage.Width * location.Left),
|
||||
(int)(pageImage.Width * location.Top),
|
||||
(int)(pageImage.Width * location.Width),
|
||||
(int)(pageImage.Height * location.Height));
|
||||
RGBLuminanceSource zxingSource;
|
||||
using (Bitmap pageImageRegion = new Bitmap(region.Width, region.Height))
|
||||
{
|
||||
using (Graphics pageImageRegionGraphics = Graphics.FromImage(pageImageRegion))
|
||||
{
|
||||
pageImageRegionGraphics.DrawImage(pageImage, 0, 0, region, GraphicsUnit.Pixel);
|
||||
}
|
||||
zxingSource = new RGBLuminanceSource(pageImageRegion, region.Width, region.Height);
|
||||
}
|
||||
var zxingHB = new HybridBinarizer(zxingSource);
|
||||
var zxingBB = new BinaryBitmap(zxingHB);
|
||||
try
|
||||
{
|
||||
zxingResult = zxingMfr.decode(zxingBB, zxingMfrHints);
|
||||
zxingResultOffset = region.Location;
|
||||
break;
|
||||
}
|
||||
catch (ReaderException)
|
||||
{
|
||||
// Ignore Location Errors
|
||||
}
|
||||
}
|
||||
if (zxingResult != null)
|
||||
break;
|
||||
}
|
||||
if (zxingResult == null)
|
||||
{
|
||||
// Not found with 'known' locations
|
||||
// Try whole image
|
||||
var zxingSource = new RGBLuminanceSource(pageImage, pageImage.Width, pageImage.Height);
|
||||
var zxingHB = new HybridBinarizer(zxingSource);
|
||||
var zxingBB = new BinaryBitmap(zxingHB);
|
||||
try
|
||||
{
|
||||
zxingResult = zxingMfr.decode(zxingBB, zxingMfrHints);
|
||||
}
|
||||
catch (ReaderException)
|
||||
{
|
||||
// Ignore Errors
|
||||
}
|
||||
}
|
||||
|
||||
if (zxingResult != null)
|
||||
return new DetectImageResult() { Result = zxingResult, ResultOffset = zxingResultOffset, ResultScale = pageImageModifiedScale };
|
||||
else
|
||||
return null;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
throw ex;
|
||||
}
|
||||
finally
|
||||
{
|
||||
if (pageImageOriginal != pageImage)
|
||||
pageImage.Dispose();
|
||||
}
|
||||
}
|
||||
|
||||
private static DetectPageResult DetectPage(DiscoDataContext dbContext, PdfReader pdfReader, int PageNumber, string SessionId, string DataStoreSessionCacheLocation, IEnumerable<DocumentTemplate> detectDocumentTemplates)
|
||||
{
|
||||
DetectPageResult result = new DetectPageResult() { PageNumber = PageNumber };
|
||||
|
||||
DocumentImporterLog.LogImportPageProgress(SessionId, PageNumber, 10, "Loading Page Images");
|
||||
|
||||
using (DisposableImageCollection pageImages = pdfReader.PdfPageImages(PageNumber))
|
||||
{
|
||||
if (pageImages.Count > 0)
|
||||
{
|
||||
result.ThumbnailImage = pageImages.BuildImageMontage(256, 256);
|
||||
var pageThumbnailFilename = Path.Combine(DataStoreSessionCacheLocation, string.Format("{0}-{1}", SessionId, PageNumber));
|
||||
|
||||
result.ThumbnailImage.Montage.SavePng(pageThumbnailFilename);
|
||||
DocumentImporterLog.LogImportPageImageUpdate(SessionId, PageNumber);
|
||||
|
||||
double pageProgressInterval = 90 / pageImages.Count;
|
||||
|
||||
foreach (var pageImageOriginal in pageImages)
|
||||
{
|
||||
DocumentImporterLog.LogImportPageProgress(SessionId, PageNumber, (int)(10 + (pageProgressInterval * pageImages.IndexOf(pageImageOriginal))), String.Format("Processing Page Image {0} of {1}", pageImages.IndexOf(pageImageOriginal) + 1, pageImages.Count));
|
||||
|
||||
using (var zxingResult = DetectImage(dbContext, pageImageOriginal, SessionId, detectDocumentTemplates))
|
||||
{
|
||||
if (zxingResult != null)
|
||||
{
|
||||
if (DocumentUniqueIdentifier.IsDocumentUniqueIdentifier(zxingResult.Result.Text))
|
||||
{
|
||||
result.DrawThumbnailImageResult(zxingResult, pageImageOriginal);
|
||||
result.ThumbnailImage.Montage.SavePng(pageThumbnailFilename);
|
||||
DocumentImporterLog.LogImportPageImageUpdate(SessionId, PageNumber);
|
||||
|
||||
result.AttachmentThumbnailImage = new MemoryStream();
|
||||
using (var attachmentThumbImage = pageImages.BuildImageMontage(48, 48, true))
|
||||
{
|
||||
using (Image mimeTypeIcon = Disco.Properties.Resources.MimeType_pdf16)
|
||||
attachmentThumbImage.Montage.EmbedIconOverlay(mimeTypeIcon);
|
||||
attachmentThumbImage.Montage.SaveJpg(95, result.AttachmentThumbnailImage);
|
||||
}
|
||||
|
||||
result.DetectedIdentifier = new DocumentUniqueIdentifier(zxingResult.Result.Text, PageNumber.ToString());
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Page Unassigned
|
||||
result.UndetectedPageImage = pageImages.BuildImageMontage(700, 700);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
public static bool ProcessPdfAttachment(string Filename, DiscoDataContext dbContext, string SessionId, Cache HttpCache)
|
||||
{
|
||||
var dataStoreUnassignedLocation = DataStore.CreateLocation(dbContext, "DocumentDropBox_Unassigned");
|
||||
|
||||
DocumentImporterLog.LogImportProgress(SessionId, 0, "Reading File");
|
||||
|
||||
using (FileStream fs = new FileStream(Filename, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
|
||||
{
|
||||
var pdfReader = new PdfReader(fs);
|
||||
|
||||
var pdfPagesAssigned = new Dictionary<int, Tuple<DocumentUniqueIdentifier, byte[]>>();
|
||||
|
||||
var dataStoreSessionPagesCacheLocation = DataStore.CreateLocation(dbContext, "Cache\\DocumentDropBox_SessionPages");
|
||||
var detectDocumentTemplates = dbContext.DocumentTemplates.ToArray();
|
||||
|
||||
double progressInterval = 70 / pdfReader.NumberOfPages;
|
||||
|
||||
for (int PageNumber = 1; PageNumber <= pdfReader.NumberOfPages; PageNumber++)
|
||||
{
|
||||
DocumentImporterLog.LogImportProgress(SessionId, (int)(PageNumber * progressInterval), string.Format("Processing Page {0} of {1}", PageNumber, pdfReader.NumberOfPages));
|
||||
DocumentImporterLog.LogImportPageStarting(SessionId, PageNumber);
|
||||
|
||||
using (var pageResult = DetectPage(dbContext, pdfReader, PageNumber, SessionId, dataStoreSessionPagesCacheLocation, detectDocumentTemplates))
|
||||
{
|
||||
if (pageResult.DetectedIdentifier != null)
|
||||
{
|
||||
var docId = pageResult.DetectedIdentifier;
|
||||
pdfPagesAssigned.Add(PageNumber, new Tuple<DocumentUniqueIdentifier, byte[]>(docId, pageResult.AttachmentThumbnailImage.ToArray()));
|
||||
|
||||
docId.LoadComponents(dbContext);
|
||||
DocumentImporterLog.LogImportPageDetected(SessionId, PageNumber, docId.DocumentUniqueId, docId.DocumentTemplate.Description, docId.DocumentTemplate.Scope, docId.DataId, docId.DataDescription);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Undetected Page - Write Preview-Images while still in Memory
|
||||
DocumentImporterLog.LogImportPageUndetected(SessionId, PageNumber);
|
||||
|
||||
// Thumbnail:
|
||||
string unassignedImageThumbnailFilename = Path.Combine(dataStoreUnassignedLocation, string.Format("{0}_{1}_thumbnail.png", SessionId, PageNumber));
|
||||
pageResult.ThumbnailImage.Montage.SavePng(unassignedImageThumbnailFilename);
|
||||
// Large Preview
|
||||
string unassignedImageFilename = Path.Combine(dataStoreUnassignedLocation, string.Format("{0}_{1}.jpg", SessionId, PageNumber));
|
||||
pageResult.UndetectedPageImage.Montage.SaveJpg(90, unassignedImageFilename);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Write out Assigned Documents
|
||||
var assignedDocuments = pdfPagesAssigned.GroupBy(u => u.Value.Item1.DocumentUniqueId).ToList();
|
||||
if (assignedDocuments.Count > 0)
|
||||
{
|
||||
progressInterval = 20 / assignedDocuments.Count;
|
||||
|
||||
foreach (var documentPortion in assignedDocuments)
|
||||
{
|
||||
DocumentImporterLog.LogImportProgress(SessionId, (int)(70 + (assignedDocuments.IndexOf(documentPortion) * progressInterval)), string.Format("Importing Documents {0} of {1}", assignedDocuments.IndexOf(documentPortion) + 1, assignedDocuments.Count));
|
||||
|
||||
var documentPortionInfo = documentPortion.First().Value;
|
||||
var documentPortionIdentifier = documentPortionInfo.Item1;
|
||||
var documentPortionThumbnail = documentPortionInfo.Item2;
|
||||
|
||||
if (!documentPortionIdentifier.LoadComponents(dbContext))
|
||||
{
|
||||
// Unknown Document Unique Id
|
||||
foreach (var dp in documentPortion)
|
||||
{
|
||||
var tag = int.Parse(dp.Value.Item1.Tag);
|
||||
if (pdfPagesAssigned.ContainsKey(tag))
|
||||
pdfPagesAssigned.Remove(tag);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
using (MemoryStream msBuilder = new MemoryStream())
|
||||
{
|
||||
var pdfDoc = new iTextSharp.text.Document();
|
||||
var pdfCopy = new PdfCopy(pdfDoc, msBuilder);
|
||||
|
||||
pdfDoc.Open();
|
||||
pdfCopy.CloseStream = false;
|
||||
|
||||
foreach (var dp in documentPortion.OrderBy(dg => dg.Value.Item1.Page))
|
||||
{
|
||||
var pageSize = pdfReader.GetPageSizeWithRotation(dp.Key);
|
||||
var page = pdfCopy.GetImportedPage(pdfReader, dp.Key);
|
||||
|
||||
pdfDoc.SetPageSize(pageSize);
|
||||
pdfDoc.NewPage();
|
||||
|
||||
pdfCopy.AddPage(page);
|
||||
}
|
||||
|
||||
pdfDoc.Close();
|
||||
pdfCopy.Close();
|
||||
|
||||
msBuilder.Position = 0;
|
||||
|
||||
var attachmentSuccess = documentPortionIdentifier.ImportPdfAttachment(dbContext, msBuilder, documentPortionThumbnail);
|
||||
|
||||
if (!attachmentSuccess)
|
||||
{ // Unable to add Attachment
|
||||
foreach (var dp in documentPortion)
|
||||
{
|
||||
var tag = int.Parse(dp.Value.Item1.Tag);
|
||||
if (pdfPagesAssigned.ContainsKey(tag))
|
||||
pdfPagesAssigned.Remove(tag);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// Write out Unassigned Pages
|
||||
List<int> pdfPagesUnassigned = new List<int>();
|
||||
for (int PageNumber = 1; PageNumber <= pdfReader.NumberOfPages; PageNumber++)
|
||||
if (!pdfPagesAssigned.ContainsKey(PageNumber))
|
||||
pdfPagesUnassigned.Add(PageNumber);
|
||||
if (pdfPagesUnassigned.Count > 0)
|
||||
{
|
||||
progressInterval = 10 / pdfPagesUnassigned.Count;
|
||||
//dataStoreUnassignedLocation
|
||||
foreach (var PageNumber in pdfPagesUnassigned)
|
||||
{
|
||||
DocumentImporterLog.LogImportProgress(SessionId, (int)(90 + (pdfPagesUnassigned.IndexOf(PageNumber) * progressInterval)), string.Format("Processing Undetected Documents {0} of {1}", pdfPagesUnassigned.IndexOf(PageNumber) + 1, pdfPagesUnassigned.Count));
|
||||
|
||||
using (MemoryStream msBuilder = new MemoryStream())
|
||||
{
|
||||
var pdfDoc = new iTextSharp.text.Document();
|
||||
var pdfCopy = new PdfCopy(pdfDoc, msBuilder);
|
||||
|
||||
pdfDoc.Open();
|
||||
pdfCopy.CloseStream = false;
|
||||
|
||||
var pageSize = pdfReader.GetPageSizeWithRotation(PageNumber);
|
||||
var page = pdfCopy.GetImportedPage(pdfReader, PageNumber);
|
||||
pdfDoc.SetPageSize(pageSize);
|
||||
pdfDoc.NewPage();
|
||||
|
||||
pdfCopy.AddPage(page);
|
||||
pdfDoc.Close();
|
||||
pdfCopy.Close();
|
||||
|
||||
File.WriteAllBytes(Path.Combine(dataStoreUnassignedLocation, string.Format("{0}_{1}.pdf", SessionId, PageNumber)), msBuilder.ToArray());
|
||||
|
||||
DocumentImporterLog.LogImportPageUndetectedStored(SessionId, PageNumber);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
DocumentImporterLog.LogImportProgress(SessionId, 100, "Finished Importing Document");
|
||||
|
||||
return true;
|
||||
}
|
||||
public static bool ProcessPdfAttachment(string Filename, DiscoDataContext dbContext, string DocumentTemplateId, string DataId, string UserId, DateTime Timestamp)
|
||||
{
|
||||
using (FileStream fs = new FileStream(Filename, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
|
||||
{
|
||||
DocumentUniqueIdentifier identifier = new DocumentUniqueIdentifier(DocumentTemplateId, DataId, UserId, Timestamp);
|
||||
identifier.LoadComponents(dbContext);
|
||||
return identifier.ImportPdfAttachment(dbContext, fs, null);
|
||||
}
|
||||
}
|
||||
|
||||
public static DisposableImageCollection GetPageImages(PdfReader pdfReader, int PageNumber)
|
||||
{
|
||||
var pageImages = new DisposableImageCollection();
|
||||
|
||||
var pdfPage = pdfReader.GetPageN(PageNumber);
|
||||
PdfDictionary pdfPageResouces = (PdfDictionary)((PdfDictionary)pdfPage.GetDirectObject(PdfName.RESOURCES)).GetDirectObject(PdfName.XOBJECT);
|
||||
|
||||
foreach (var pdfResKey in pdfPageResouces.Keys)
|
||||
{
|
||||
var pdfRes = pdfPageResouces.GetDirectObject(pdfResKey);
|
||||
if (pdfRes.IsStream())
|
||||
{
|
||||
var pdfResStream = (PdfStream)pdfRes;
|
||||
var pdfResSubType = pdfResStream.Get(PdfName.SUBTYPE);
|
||||
if (pdfResSubType != null && pdfResSubType == PdfName.IMAGE)
|
||||
{
|
||||
if (pdfResStream.Get(PdfName.FILTER) == PdfName.CCITTFAXDECODE)
|
||||
{ // TIFF
|
||||
// Try Using GDI+ for TIFF...
|
||||
var width = ((PdfNumber)(pdfResStream.Get(PdfName.WIDTH))).IntValue;
|
||||
var height = ((PdfNumber)(pdfResStream.Get(PdfName.HEIGHT))).IntValue;
|
||||
var bpc = ((PdfNumber)(pdfResStream.Get(PdfName.BITSPERCOMPONENT))).IntValue;
|
||||
|
||||
var compressionMethod = Compression.CCITTFAX3;
|
||||
|
||||
var decodeParams = pdfResStream.GetAsDict(PdfName.DECODEPARMS);
|
||||
if (decodeParams != null && decodeParams.Contains(PdfName.K) && decodeParams.GetAsNumber(PdfName.K).IntValue < 0)
|
||||
compressionMethod = Compression.CCITTFAX4;
|
||||
|
||||
using (MemoryStream tiffStream = PdfToTiffStream(PdfReader.GetStreamBytesRaw((PRStream)pdfResStream), width, height, bpc, compressionMethod))
|
||||
{
|
||||
pageImages.Add((Bitmap)Bitmap.FromStream(tiffStream));
|
||||
}
|
||||
continue;
|
||||
}
|
||||
if (pdfResStream.Get(PdfName.FILTER) == PdfName.DCTDECODE)
|
||||
{ // JPG
|
||||
using (MemoryStream jpgStream = new MemoryStream(PdfReader.GetStreamBytesRaw((PRStream)pdfResStream)))
|
||||
{
|
||||
pageImages.Add((Bitmap)Bitmap.FromStream(jpgStream, true, true));
|
||||
}
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return pageImages;
|
||||
}
|
||||
|
||||
private static MemoryStream PdfToTiffStream(byte[] PdfStream, int Width, int Height, int BitsPerComponent, Compression CompressionMethod)
|
||||
{
|
||||
var ms = new MemoryStream();
|
||||
|
||||
Tiff tif = Tiff.ClientOpen("in-memory", "w", ms, new TiffStream());
|
||||
tif.SetField(TiffTag.IMAGEWIDTH, Width);
|
||||
tif.SetField(TiffTag.IMAGELENGTH, Height);
|
||||
tif.SetField(TiffTag.COMPRESSION, CompressionMethod);
|
||||
tif.SetField(TiffTag.BITSPERSAMPLE, BitsPerComponent);
|
||||
tif.SetField(TiffTag.SAMPLESPERPIXEL, 1);
|
||||
tif.WriteRawStrip(0, PdfStream, PdfStream.Length);
|
||||
tif.Flush();
|
||||
|
||||
return ms;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using iTextSharp.text.pdf;
|
||||
using System.IO;
|
||||
using System.Drawing;
|
||||
using Disco.BI.DocumentTemplateBI.Importer;
|
||||
using Disco.BI.DocumentTemplateBI;
|
||||
using System.Drawing.Drawing2D;
|
||||
using com.google.zxing;
|
||||
using com.google.zxing.multi.qrcode;
|
||||
using Disco.Data.Repository;
|
||||
using System.Web.Caching;
|
||||
using Disco.BI.Extensions;
|
||||
using Disco.Models.Repository;
|
||||
using System.Collections;
|
||||
using com.google.zxing.common;
|
||||
using BitMiracle.LibTiff.Classic;
|
||||
|
||||
namespace Disco.BI.Interop.Pdf
|
||||
{
|
||||
public static class PdfImporter
|
||||
{
|
||||
|
||||
private class DetectImageResult : IDisposable
|
||||
{
|
||||
public Result Result { get; set; }
|
||||
public Point ResultOffset { get; set; }
|
||||
public double ResultScale { get; set; }
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
// Do Nothing; yet...
|
||||
}
|
||||
}
|
||||
|
||||
private class DetectPageResult : IDisposable
|
||||
{
|
||||
public int PageNumber { get; set; }
|
||||
public DocumentUniqueIdentifier DetectedIdentifier { get; set; }
|
||||
public Disco.BI.Extensions.UtilityExtensions.ImageMontage ThumbnailImage { get; set; }
|
||||
public MemoryStream AttachmentThumbnailImage { get; set; }
|
||||
public Disco.BI.Extensions.UtilityExtensions.ImageMontage UndetectedPageImage { get; set; }
|
||||
|
||||
public void DrawThumbnailImageResult(DetectImageResult Result, Image DetectedImage)
|
||||
{
|
||||
if (Result.Result.ResultPoints.Length == 4)
|
||||
{ // Draw Square on Thumbnail
|
||||
using (Graphics thumbnailGraphics = Graphics.FromImage(ThumbnailImage.Montage))
|
||||
{
|
||||
var thumbnailOffset = ThumbnailImage.MontageSourceImageOffsets[DetectedImage];
|
||||
|
||||
var linePoints = Result.Result.ResultPoints.Select(p => new Point((int)(thumbnailOffset + ((Result.ResultOffset.X + p.X) * Result.ResultScale * ThumbnailImage.MontageScale)), (int)((p.Y + Result.ResultOffset.Y) * Result.ResultScale * ThumbnailImage.MontageScale))).ToArray();
|
||||
using (GraphicsPath graphicsPath = new GraphicsPath())
|
||||
{
|
||||
for (int linePointIndex = 0; linePointIndex < (linePoints.Length - 1); linePointIndex++)
|
||||
graphicsPath.AddLine(linePoints[linePointIndex], linePoints[linePointIndex + 1]);
|
||||
graphicsPath.AddLine(linePoints[linePoints.Length - 1], linePoints[0]);
|
||||
using (SolidBrush graphicsBrush = new SolidBrush(Color.FromArgb(128, 255, 0, 0)))
|
||||
thumbnailGraphics.FillPath(graphicsBrush, graphicsPath);
|
||||
using (Pen graphicsPen = new Pen(Color.FromArgb(200, 255, 0, 0), 2))
|
||||
thumbnailGraphics.DrawPath(graphicsPen, graphicsPath);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
if (ThumbnailImage != null)
|
||||
{
|
||||
ThumbnailImage.Dispose();
|
||||
ThumbnailImage = null;
|
||||
}
|
||||
if (AttachmentThumbnailImage != null)
|
||||
{
|
||||
AttachmentThumbnailImage.Dispose();
|
||||
AttachmentThumbnailImage = null;
|
||||
}
|
||||
if (UndetectedPageImage != null)
|
||||
{
|
||||
UndetectedPageImage.Dispose();
|
||||
UndetectedPageImage = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static DetectImageResult DetectImage(DiscoDataContext dbContext, Bitmap pageImageOriginal, string SessionId, IEnumerable<DocumentTemplate> detectDocumentTemplates)
|
||||
{
|
||||
Bitmap pageImage = pageImageOriginal;
|
||||
double pageImageModifiedScale = 1;
|
||||
|
||||
try
|
||||
{
|
||||
// Resize if Resolution > 80; Set to 72 Dpi
|
||||
if (pageImage.HorizontalResolution > 80 || pageImage.VerticalResolution > 80)
|
||||
{
|
||||
pageImageModifiedScale = pageImage.HorizontalResolution / 72;
|
||||
int newWidth = (int)((72 / pageImage.HorizontalResolution) * pageImage.Width);
|
||||
int newHeight = (int)((72 / pageImage.VerticalResolution) * pageImage.Height);
|
||||
pageImage = pageImage.ResizeImage(newWidth, newHeight);
|
||||
}
|
||||
|
||||
Result zxingResult = default(Result);
|
||||
Point zxingResultOffset = Point.Empty;
|
||||
QRCodeMultiReader zxingMfr = new QRCodeMultiReader();
|
||||
Hashtable zxingMfrHints = new Hashtable();
|
||||
zxingMfrHints.Add(DecodeHintType.TRY_HARDER, true);
|
||||
// Look in 'Known' locations
|
||||
foreach (DocumentTemplate dt in detectDocumentTemplates)
|
||||
{
|
||||
var locationBag = dt.QRCodeLocations(dbContext);
|
||||
foreach (var location in locationBag)
|
||||
{
|
||||
System.Drawing.Rectangle region = new Rectangle(
|
||||
(int)(pageImage.Width * location.Left),
|
||||
(int)(pageImage.Width * location.Top),
|
||||
(int)(pageImage.Width * location.Width),
|
||||
(int)(pageImage.Height * location.Height));
|
||||
RGBLuminanceSource zxingSource;
|
||||
using (Bitmap pageImageRegion = new Bitmap(region.Width, region.Height))
|
||||
{
|
||||
using (Graphics pageImageRegionGraphics = Graphics.FromImage(pageImageRegion))
|
||||
{
|
||||
pageImageRegionGraphics.DrawImage(pageImage, 0, 0, region, GraphicsUnit.Pixel);
|
||||
}
|
||||
zxingSource = new RGBLuminanceSource(pageImageRegion, region.Width, region.Height);
|
||||
}
|
||||
var zxingHB = new HybridBinarizer(zxingSource);
|
||||
var zxingBB = new BinaryBitmap(zxingHB);
|
||||
try
|
||||
{
|
||||
zxingResult = zxingMfr.decode(zxingBB, zxingMfrHints);
|
||||
zxingResultOffset = region.Location;
|
||||
break;
|
||||
}
|
||||
catch (ReaderException)
|
||||
{
|
||||
// Ignore Location Errors
|
||||
}
|
||||
}
|
||||
if (zxingResult != null)
|
||||
break;
|
||||
}
|
||||
if (zxingResult == null)
|
||||
{
|
||||
// Not found with 'known' locations
|
||||
// Try whole image
|
||||
var zxingSource = new RGBLuminanceSource(pageImage, pageImage.Width, pageImage.Height);
|
||||
var zxingHB = new HybridBinarizer(zxingSource);
|
||||
var zxingBB = new BinaryBitmap(zxingHB);
|
||||
try
|
||||
{
|
||||
zxingResult = zxingMfr.decode(zxingBB, zxingMfrHints);
|
||||
}
|
||||
catch (ReaderException)
|
||||
{
|
||||
// Ignore Errors
|
||||
}
|
||||
}
|
||||
|
||||
if (zxingResult != null)
|
||||
return new DetectImageResult() { Result = zxingResult, ResultOffset = zxingResultOffset, ResultScale = pageImageModifiedScale };
|
||||
else
|
||||
return null;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
throw ex;
|
||||
}
|
||||
finally
|
||||
{
|
||||
if (pageImageOriginal != pageImage)
|
||||
pageImage.Dispose();
|
||||
}
|
||||
}
|
||||
|
||||
private static DetectPageResult DetectPage(DiscoDataContext dbContext, PdfReader pdfReader, int PageNumber, string SessionId, string DataStoreSessionCacheLocation, IEnumerable<DocumentTemplate> detectDocumentTemplates)
|
||||
{
|
||||
DetectPageResult result = new DetectPageResult() { PageNumber = PageNumber };
|
||||
|
||||
DocumentImporterLog.LogImportPageProgress(SessionId, PageNumber, 10, "Loading Page Images");
|
||||
|
||||
using (DisposableImageCollection pageImages = pdfReader.PdfPageImages(PageNumber))
|
||||
{
|
||||
if (pageImages.Count > 0)
|
||||
{
|
||||
result.ThumbnailImage = pageImages.BuildImageMontage(256, 256);
|
||||
var pageThumbnailFilename = Path.Combine(DataStoreSessionCacheLocation, string.Format("{0}-{1}", SessionId, PageNumber));
|
||||
|
||||
result.ThumbnailImage.Montage.SavePng(pageThumbnailFilename);
|
||||
DocumentImporterLog.LogImportPageImageUpdate(SessionId, PageNumber);
|
||||
|
||||
double pageProgressInterval = 90 / pageImages.Count;
|
||||
|
||||
foreach (var pageImageOriginal in pageImages)
|
||||
{
|
||||
DocumentImporterLog.LogImportPageProgress(SessionId, PageNumber, (int)(10 + (pageProgressInterval * pageImages.IndexOf(pageImageOriginal))), String.Format("Processing Page Image {0} of {1}", pageImages.IndexOf(pageImageOriginal) + 1, pageImages.Count));
|
||||
|
||||
using (var zxingResult = DetectImage(dbContext, pageImageOriginal, SessionId, detectDocumentTemplates))
|
||||
{
|
||||
if (zxingResult != null)
|
||||
{
|
||||
if (DocumentUniqueIdentifier.IsDocumentUniqueIdentifier(zxingResult.Result.Text))
|
||||
{
|
||||
result.DrawThumbnailImageResult(zxingResult, pageImageOriginal);
|
||||
result.ThumbnailImage.Montage.SavePng(pageThumbnailFilename);
|
||||
DocumentImporterLog.LogImportPageImageUpdate(SessionId, PageNumber);
|
||||
|
||||
result.AttachmentThumbnailImage = new MemoryStream();
|
||||
using (var attachmentThumbImage = pageImages.BuildImageMontage(48, 48, true))
|
||||
{
|
||||
using (Image mimeTypeIcon = Disco.Properties.Resources.MimeType_pdf16)
|
||||
attachmentThumbImage.Montage.EmbedIconOverlay(mimeTypeIcon);
|
||||
attachmentThumbImage.Montage.SaveJpg(95, result.AttachmentThumbnailImage);
|
||||
}
|
||||
|
||||
result.DetectedIdentifier = new DocumentUniqueIdentifier(zxingResult.Result.Text, PageNumber.ToString());
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Page Unassigned
|
||||
result.UndetectedPageImage = pageImages.BuildImageMontage(700, 700);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
public static bool ProcessPdfAttachment(string Filename, DiscoDataContext dbContext, string SessionId, Cache HttpCache)
|
||||
{
|
||||
var dataStoreUnassignedLocation = DataStore.CreateLocation(dbContext, "DocumentDropBox_Unassigned");
|
||||
|
||||
DocumentImporterLog.LogImportProgress(SessionId, 0, "Reading File");
|
||||
|
||||
using (FileStream fs = new FileStream(Filename, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
|
||||
{
|
||||
var pdfReader = new PdfReader(fs);
|
||||
|
||||
var pdfPagesAssigned = new Dictionary<int, Tuple<DocumentUniqueIdentifier, byte[]>>();
|
||||
|
||||
var dataStoreSessionPagesCacheLocation = DataStore.CreateLocation(dbContext, "Cache\\DocumentDropBox_SessionPages");
|
||||
var detectDocumentTemplates = dbContext.DocumentTemplates.ToArray();
|
||||
|
||||
double progressInterval = 70 / pdfReader.NumberOfPages;
|
||||
|
||||
for (int PageNumber = 1; PageNumber <= pdfReader.NumberOfPages; PageNumber++)
|
||||
{
|
||||
DocumentImporterLog.LogImportProgress(SessionId, (int)(PageNumber * progressInterval), string.Format("Processing Page {0} of {1}", PageNumber, pdfReader.NumberOfPages));
|
||||
DocumentImporterLog.LogImportPageStarting(SessionId, PageNumber);
|
||||
|
||||
using (var pageResult = DetectPage(dbContext, pdfReader, PageNumber, SessionId, dataStoreSessionPagesCacheLocation, detectDocumentTemplates))
|
||||
{
|
||||
if (pageResult.DetectedIdentifier != null)
|
||||
{
|
||||
var docId = pageResult.DetectedIdentifier;
|
||||
pdfPagesAssigned.Add(PageNumber, new Tuple<DocumentUniqueIdentifier, byte[]>(docId, pageResult.AttachmentThumbnailImage.ToArray()));
|
||||
|
||||
docId.LoadComponents(dbContext);
|
||||
DocumentImporterLog.LogImportPageDetected(SessionId, PageNumber, docId.DocumentUniqueId, docId.DocumentTemplate.Description, docId.DocumentTemplate.Scope, docId.DataId, docId.DataDescription);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Undetected Page - Write Preview-Images while still in Memory
|
||||
DocumentImporterLog.LogImportPageUndetected(SessionId, PageNumber);
|
||||
|
||||
// Thumbnail:
|
||||
string unassignedImageThumbnailFilename = Path.Combine(dataStoreUnassignedLocation, string.Format("{0}_{1}_thumbnail.png", SessionId, PageNumber));
|
||||
pageResult.ThumbnailImage.Montage.SavePng(unassignedImageThumbnailFilename);
|
||||
// Large Preview
|
||||
string unassignedImageFilename = Path.Combine(dataStoreUnassignedLocation, string.Format("{0}_{1}.jpg", SessionId, PageNumber));
|
||||
pageResult.UndetectedPageImage.Montage.SaveJpg(90, unassignedImageFilename);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Write out Assigned Documents
|
||||
var assignedDocuments = pdfPagesAssigned.GroupBy(u => u.Value.Item1.DocumentUniqueId).ToList();
|
||||
if (assignedDocuments.Count > 0)
|
||||
{
|
||||
progressInterval = 20 / assignedDocuments.Count;
|
||||
|
||||
foreach (var documentPortion in assignedDocuments)
|
||||
{
|
||||
DocumentImporterLog.LogImportProgress(SessionId, (int)(70 + (assignedDocuments.IndexOf(documentPortion) * progressInterval)), string.Format("Importing Documents {0} of {1}", assignedDocuments.IndexOf(documentPortion) + 1, assignedDocuments.Count));
|
||||
|
||||
var documentPortionInfo = documentPortion.First().Value;
|
||||
var documentPortionIdentifier = documentPortionInfo.Item1;
|
||||
var documentPortionThumbnail = documentPortionInfo.Item2;
|
||||
|
||||
if (!documentPortionIdentifier.LoadComponents(dbContext))
|
||||
{
|
||||
// Unknown Document Unique Id
|
||||
foreach (var dp in documentPortion)
|
||||
{
|
||||
var tag = int.Parse(dp.Value.Item1.Tag);
|
||||
if (pdfPagesAssigned.ContainsKey(tag))
|
||||
pdfPagesAssigned.Remove(tag);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
using (MemoryStream msBuilder = new MemoryStream())
|
||||
{
|
||||
var pdfDoc = new iTextSharp.text.Document();
|
||||
var pdfCopy = new PdfCopy(pdfDoc, msBuilder);
|
||||
|
||||
pdfDoc.Open();
|
||||
pdfCopy.CloseStream = false;
|
||||
|
||||
foreach (var dp in documentPortion.OrderBy(dg => dg.Value.Item1.Page))
|
||||
{
|
||||
var pageSize = pdfReader.GetPageSizeWithRotation(dp.Key);
|
||||
var page = pdfCopy.GetImportedPage(pdfReader, dp.Key);
|
||||
|
||||
pdfDoc.SetPageSize(pageSize);
|
||||
pdfDoc.NewPage();
|
||||
|
||||
pdfCopy.AddPage(page);
|
||||
}
|
||||
|
||||
pdfDoc.Close();
|
||||
pdfCopy.Close();
|
||||
|
||||
msBuilder.Position = 0;
|
||||
|
||||
var attachmentSuccess = documentPortionIdentifier.ImportPdfAttachment(dbContext, msBuilder, documentPortionThumbnail);
|
||||
|
||||
if (!attachmentSuccess)
|
||||
{ // Unable to add Attachment
|
||||
foreach (var dp in documentPortion)
|
||||
{
|
||||
var tag = int.Parse(dp.Value.Item1.Tag);
|
||||
if (pdfPagesAssigned.ContainsKey(tag))
|
||||
pdfPagesAssigned.Remove(tag);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// Write out Unassigned Pages
|
||||
List<int> pdfPagesUnassigned = new List<int>();
|
||||
for (int PageNumber = 1; PageNumber <= pdfReader.NumberOfPages; PageNumber++)
|
||||
if (!pdfPagesAssigned.ContainsKey(PageNumber))
|
||||
pdfPagesUnassigned.Add(PageNumber);
|
||||
if (pdfPagesUnassigned.Count > 0)
|
||||
{
|
||||
progressInterval = 10 / pdfPagesUnassigned.Count;
|
||||
//dataStoreUnassignedLocation
|
||||
foreach (var PageNumber in pdfPagesUnassigned)
|
||||
{
|
||||
DocumentImporterLog.LogImportProgress(SessionId, (int)(90 + (pdfPagesUnassigned.IndexOf(PageNumber) * progressInterval)), string.Format("Processing Undetected Documents {0} of {1}", pdfPagesUnassigned.IndexOf(PageNumber) + 1, pdfPagesUnassigned.Count));
|
||||
|
||||
using (MemoryStream msBuilder = new MemoryStream())
|
||||
{
|
||||
var pdfDoc = new iTextSharp.text.Document();
|
||||
var pdfCopy = new PdfCopy(pdfDoc, msBuilder);
|
||||
|
||||
pdfDoc.Open();
|
||||
pdfCopy.CloseStream = false;
|
||||
|
||||
var pageSize = pdfReader.GetPageSizeWithRotation(PageNumber);
|
||||
var page = pdfCopy.GetImportedPage(pdfReader, PageNumber);
|
||||
pdfDoc.SetPageSize(pageSize);
|
||||
pdfDoc.NewPage();
|
||||
|
||||
pdfCopy.AddPage(page);
|
||||
pdfDoc.Close();
|
||||
pdfCopy.Close();
|
||||
|
||||
File.WriteAllBytes(Path.Combine(dataStoreUnassignedLocation, string.Format("{0}_{1}.pdf", SessionId, PageNumber)), msBuilder.ToArray());
|
||||
|
||||
DocumentImporterLog.LogImportPageUndetectedStored(SessionId, PageNumber);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
DocumentImporterLog.LogImportProgress(SessionId, 100, "Finished Importing Document");
|
||||
|
||||
return true;
|
||||
}
|
||||
public static bool ProcessPdfAttachment(string Filename, DiscoDataContext dbContext, string DocumentTemplateId, string DataId, string UserId, DateTime Timestamp)
|
||||
{
|
||||
using (FileStream fs = new FileStream(Filename, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
|
||||
{
|
||||
DocumentUniqueIdentifier identifier = new DocumentUniqueIdentifier(DocumentTemplateId, DataId, UserId, Timestamp);
|
||||
identifier.LoadComponents(dbContext);
|
||||
return identifier.ImportPdfAttachment(dbContext, fs, null);
|
||||
}
|
||||
}
|
||||
|
||||
public static DisposableImageCollection GetPageImages(PdfReader pdfReader, int PageNumber)
|
||||
{
|
||||
var pageImages = new DisposableImageCollection();
|
||||
|
||||
var pdfPage = pdfReader.GetPageN(PageNumber);
|
||||
PdfDictionary pdfPageResouces = (PdfDictionary)((PdfDictionary)pdfPage.GetDirectObject(PdfName.RESOURCES)).GetDirectObject(PdfName.XOBJECT);
|
||||
|
||||
foreach (var pdfResKey in pdfPageResouces.Keys)
|
||||
{
|
||||
var pdfRes = pdfPageResouces.GetDirectObject(pdfResKey);
|
||||
if (pdfRes.IsStream())
|
||||
{
|
||||
var pdfResStream = (PdfStream)pdfRes;
|
||||
var pdfResSubType = pdfResStream.Get(PdfName.SUBTYPE);
|
||||
if (pdfResSubType != null && pdfResSubType == PdfName.IMAGE)
|
||||
{
|
||||
if (pdfResStream.Get(PdfName.FILTER) == PdfName.CCITTFAXDECODE)
|
||||
{ // TIFF
|
||||
// Try Using GDI+ for TIFF...
|
||||
var width = ((PdfNumber)(pdfResStream.Get(PdfName.WIDTH))).IntValue;
|
||||
var height = ((PdfNumber)(pdfResStream.Get(PdfName.HEIGHT))).IntValue;
|
||||
var bpc = ((PdfNumber)(pdfResStream.Get(PdfName.BITSPERCOMPONENT))).IntValue;
|
||||
|
||||
var compressionMethod = Compression.CCITTFAX3;
|
||||
|
||||
var decodeParams = pdfResStream.GetAsDict(PdfName.DECODEPARMS);
|
||||
if (decodeParams != null && decodeParams.Contains(PdfName.K) && decodeParams.GetAsNumber(PdfName.K).IntValue < 0)
|
||||
compressionMethod = Compression.CCITTFAX4;
|
||||
|
||||
using (MemoryStream tiffStream = PdfToTiffStream(PdfReader.GetStreamBytesRaw((PRStream)pdfResStream), width, height, bpc, compressionMethod))
|
||||
{
|
||||
pageImages.Add((Bitmap)Bitmap.FromStream(tiffStream));
|
||||
}
|
||||
continue;
|
||||
}
|
||||
if (pdfResStream.Get(PdfName.FILTER) == PdfName.DCTDECODE)
|
||||
{ // JPG
|
||||
using (MemoryStream jpgStream = new MemoryStream(PdfReader.GetStreamBytesRaw((PRStream)pdfResStream)))
|
||||
{
|
||||
pageImages.Add((Bitmap)Bitmap.FromStream(jpgStream, true, true));
|
||||
}
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return pageImages;
|
||||
}
|
||||
|
||||
private static MemoryStream PdfToTiffStream(byte[] PdfStream, int Width, int Height, int BitsPerComponent, Compression CompressionMethod)
|
||||
{
|
||||
var ms = new MemoryStream();
|
||||
|
||||
Tiff tif = Tiff.ClientOpen("in-memory", "w", ms, new TiffStream());
|
||||
tif.SetField(TiffTag.IMAGEWIDTH, Width);
|
||||
tif.SetField(TiffTag.IMAGELENGTH, Height);
|
||||
tif.SetField(TiffTag.COMPRESSION, CompressionMethod);
|
||||
tif.SetField(TiffTag.BITSPERSAMPLE, BitsPerComponent);
|
||||
tif.SetField(TiffTag.SAMPLESPERPIXEL, 1);
|
||||
tif.WriteRawStrip(0, PdfStream, PdfStream.Length);
|
||||
tif.Flush();
|
||||
|
||||
return ms;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user