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/DynaPDF/PDF-A/Combine PDF files to PDFA

Required plugins for this example: MBS DynaPDF Plugin

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/PDF-A/Combine PDF files to PDFA

This example is the version from Wed, 28th Dec 2021.

Project "Combine PDF files to PDFA.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
Control List Inherits Listbox
ControlInstance List Inherits Listbox
End Control
Control AddButton Inherits PushButton
ControlInstance AddButton Inherits PushButton
EventHandler Sub Action() dim f as FolderItem = GetOpenFolderItem(MyFileTypes.Pdf) if f<>Nil then List.AddRow f.DisplayName List.Celltag(List.LastIndex,0)=f end if End EventHandler
End Control
Control CombineButton Inherits PushButton
ControlInstance CombineButton Inherits PushButton
EventHandler Sub Action() combine End EventHandler
End Control
Control PopupMenu1 Inherits PopupMenu
ControlInstance PopupMenu1 Inherits PopupMenu
EventHandler Sub Open() me.AddRow "PDF 1.3", DynaPDFMBS.kpvPDF_1_3 me.AddRow "PDF 1.4", DynaPDFMBS.kpvPDF_1_4 me.AddRow "PDF 1.5", DynaPDFMBS.kpvPDF_1_5 me.AddRow "PDF 1.6", DynaPDFMBS.kpvPDF_1_6 me.AddRow "PDF 1.7", DynaPDFMBS.kpvPDF_1_7 me.AddRow "PDF 2.0", DynaPDFMBS.kpvPDF_2_0 me.AddRow "PDF/X-1a:2001", DynaPDFMBS.kpvPDFX1a_2001 me.AddRow "PDF/X-1a:2003", DynaPDFMBS.kpvPDFX1a_2003 me.AddRow "PDF/X-3:2002", DynaPDFMBS.kpvPDFX3_2002 me.AddRow "PDF/X-3:2003", DynaPDFMBS.kpvPDFX3_2003 me.AddRow "PDF/X-4", DynaPDFMBS.kpvPDFX_4 me.AddRow "PDF/A 1a", DynaPDFMBS.kpvPDFA_1a me.AddRow "PDF/A 2005", DynaPDFMBS.kpvPDFA_2005 me.AddRow "PDF/A-1b 2005", DynaPDFMBS.kpvPDFA_2005 me.AddRow "PDF/A-2a", DynaPDFMBS.kpvPDFA_2a me.AddRow "PDF/A-2b", DynaPDFMBS.kpvPDFA_2b me.AddRow "PDF/A-2u", DynaPDFMBS.kpvPDFA_2u me.AddRow "PDF/A-3a", DynaPDFMBS.kpvPDFA_3a me.AddRow "PDF/A-3b", DynaPDFMBS.kpvPDFA_3b me.AddRow "PDF/A-3u", DynaPDFMBS.kpvPDFA_3u me.ListIndex = 13 End EventHandler
End Control
Sub Combine() dim pdf as new MyDynapdfMBS 'pdf.SetLicenseKey "Pro" // For this example you can use a Lite, Pro or Enterprise License // you need DynaPDF Pro + PDF/A extension for fixing imported PDFs and convert to PDF/A. dim outFile as folderitem = GetSaveFolderItem(MyFileTypes.Pdf, "Combine PDF files.pdf") if outFile = nil then Return call pdf.CreateNewPDF(outFile) dim flags as integer = Bitwise.BitOr(pdf.kifImportAsPage, pdf.kifImportAll, pdf.kifPrepareForPDFA) call pdf.SetImportFlags(flags) // make it a tagged PDF call pdf.CreateStructureTree dim c as integer = List.ListCount-1 for i as integer = 0 to c dim f as FolderItem = List.CellTag(i, 0) call pdf.openimportFile(f) call pdf.ImportPDFFile(pdf.GetPageCount+1) call pdf.CloseImportFile next // flatten forms // -> requires Pro call pdf.FlattenForm // flatten annotations call pdf.FlattenAnnots(pdf.kaffNone) // make sure we conform // for perfect usage, you need PDF/A extension for DynaPDF (extra purchase) // dim retval as integer = pdf.CheckConformance(pdf.kctPDFA_1b_2005,0) dim retval as integer = pdf.CheckConformance(pdf.kctNormalize,0) // add missing output intent Select case retval case 1 call pdf.AddOutputIntent(FindFile("sRGB.icc")) // sRGB case 2 call pdf.AddOutputIntent(FindFile("Generic CMYK Profile.icc")) // CMYK case 3 call pdf.AddOutputIntent(FindFile("Generic Gray Profile.icc")) // Gray end Select call pdf.setPDFVersion(DynapdfMBS.kpvPDFA_2005) call pdf.closefile outFile.Launch End Sub
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
Filetype application/pdf
End MyFileTypes
Class MyDynaPDFMBS Inherits DynaPDFMBS
EventHandler Function Error(ErrorCode as integer, ErrorMessage as string, ErrorType as integer) As integer // output all messages on the console: System.DebugLog str(ErrorCode)+": "+ErrorMessage // and display dialog: Dim d as New MessageDialog //declare the MessageDialog object Dim b as MessageDialogButton //for handling the result d.icon=MessageDialog.GraphicCaution //display warning icon d.ActionButton.Caption="Continue" d.CancelButton.Visible=True //show the Cancel button // a warning or an error? if BitAnd(ErrorType, me.kE_WARNING) = me.kE_WARNING then // if user decided to ignore, we'll ignore if IgnoreWarnings then Return 0 d.Message="A warning occurred while processing your PDF code." // we add a third button to display all warnings d.AlternateActionButton.Caption = "Ignore warnings" d.AlternateActionButton.Visible = true else d.Message="An error occurred while processing your PDF code." end if d.Explanation = str(ErrorCode)+": "+ErrorMessage b=d.ShowModal //display the dialog Select Case b //determine which button was pressed. Case d.ActionButton Return 0 // ignore Case d.AlternateActionButton IgnoreWarnings = true Return 0 // ignore Case d.CancelButton Return -1 // stop End select End EventHandler
EventHandler Function OnFontNotFound(PDFFontRef as integer, FontName as string, Style as integer, StdFontIndex as integer, IsSymbolFont as boolean) As integer // Here you could use your own mapping table. // In this example we replace the font simply with Arial if (WeightFromStyle(Style) < 500) then // Only the weights 500 and 700 of Arial are installed // by default. If you have also light variants then it is // not required to change the style. Style = BitwiseAnd(Style, &h0F) Style = BitwiseOr(Style, kfsRegular) end if return ReplaceFont(PDFFontRef, "Arial", Style, true) End EventHandler
EventHandler Function OnReplaceICCProfile(Type as integer, ColorSpace as integer) As integer // provide missing ICC Profiles to DynaPDF // The ICC profiles which should normally be configured by the user. dim filename as string Select case type case me.kictGray filename = "Generic Gray Profile.icc" case me.kictRGB filename = "sRGB.icc" case me.kictCMYK filename = "Generic CMYK Profile.icc" case me.kictLab // not yet needed, but maybe in future filename = "Generic Lab Profile.icc" else break Return -1 // new type we don't know? end Select dim f as FolderItem = FindFile(filename) if f = nil or not f.Exists then // file missing? return -1 end if dim e as integer = ReplaceICCProfile(ColorSpace, f) if e < 0 then // failed break end if // pass along success or failure Return e End EventHandler
Property IgnoreWarnings As Boolean
End Class
Module UtilModule
Sub AddRow(extends p as PopupMenu, title as string, tag as Variant) p.AddRow title p.RowTag(p.ListCount-1) = tag End Sub
Function FindFile(name as string) As FolderItem // Look for file in parent folders from executable on dim parent as FolderItem = app.ExecutableFile.Parent while parent<>Nil dim file as FolderItem = parent.Child(name) if file<>Nil and file.Exists then Return file end if parent = parent.Parent wend End Function
End Module
End Project

The items on this page are in the following plugins: MBS DynaPDF Plugin.

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