72 lines
3.1 KiB
VB.net
72 lines
3.1 KiB
VB.net
Imports DigitalData.Modules.Base
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Imports DigitalData.Modules.Logging
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Imports EnvelopeGenerator.Common.Jobs.FinalizeDocument.FinalizeDocumentExceptions
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Imports GdPicture14
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Imports System.IO
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Public Class PDFMerger
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Inherits BaseClass
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Private ReadOnly Manager As AnnotationManager
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Private ReadOnly LicenseManager As LicenseManager
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Private Const ALLOW_RASTERIZATION = True
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Private Const ALLOW_VECTORIZATION = True
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Private ReadOnly PDFAConformanceLevel As PdfConversionConformance = PdfConversionConformance.PDF_A_1b
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Public Sub New(pLogConfig As LogConfig, pGDPictureLicenseKey As String)
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MyBase.New(pLogConfig)
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LicenseManager = New LicenseManager()
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LicenseManager.RegisterKEY(pGDPictureLicenseKey)
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Manager = New AnnotationManager()
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End Sub
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Public Function MergeDocuments(pDocument As Byte(), pReport As Byte()) As Byte()
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Using oDocumentStream As New MemoryStream(pDocument)
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Using oReportStream As New MemoryStream(pReport)
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Using oFinalStream As New MemoryStream()
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Using oDocumentPDF As New GdPicturePDF()
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Using oReportPDF As New GdPicturePDF()
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Dim oStatus As GdPictureStatus = GdPictureStatus.OK
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' Load the source file into memory
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oDocumentPDF.LoadFromStream(oDocumentStream, True)
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oStatus = oDocumentPDF.GetStat()
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If oStatus <> GdPictureStatus.OK Then
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Throw New MergeDocumentException($"Document could not be loaded: {oStatus}")
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End If
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' Load the report file into memory
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oReportPDF.LoadFromStream(oReportStream, True)
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oStatus = oReportPDF.GetStat()
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If oStatus <> GdPictureStatus.OK Then
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Throw New MergeDocumentException($"Report could not be loaded: {oStatus}")
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End If
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' Merge the documents
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Dim oMergedPDF = oDocumentPDF.Merge2Documents(oDocumentPDF, oReportPDF)
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oStatus = oMergedPDF.GetStat()
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If oStatus <> GdPictureStatus.OK Then
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Throw New MergeDocumentException($"Documents could not be merged: {oStatus}")
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End If
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' Convert to PDF/A
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oMergedPDF.ConvertToPDFA(oFinalStream, PDFAConformanceLevel, ALLOW_VECTORIZATION, ALLOW_RASTERIZATION)
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oStatus = oDocumentPDF.GetStat()
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If oStatus <> GdPictureStatus.OK Then
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Throw New MergeDocumentException($"Document could not be converted to PDF/A: {oStatus}")
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End If
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Return oFinalStream.ToArray()
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End Using
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End Using
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End Using
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End Using
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End Using
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End Function
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End Class
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