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/DynaPDF/PDF-A/Normalize PDF

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/Normalize PDF

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

Project "Normalize PDF.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() Normalize End EventHandler
End Control
Sub Normalize() dim c as integer = List.ListCount-1 for i as integer = 0 to c dim f as FolderItem = List.CellTag(i, 0) dim dest as FolderItem = SpecialFolder.Desktop.Child( if dest.Exists then Break // overwrite? else NormalizeFile f, dest end if next End Sub
Sub NormalizeFile(InputFile as FolderItem, OutputFile as FolderItem) dim pdf as new MyDynapdfMBS pdf.SetLicenseKey "Lite" // For this example you can use a Lite, Pro or Enterprise License call pdf.CreateNewPDF(outputfile) dim flags as integer = Bitwise.BitOr(DynaPDFMBS.kifImportAsPage, DynaPDFMBS.kifImportAll) dim flags2 as integer = Bitwise.BitOr(DynaPDFMBS.kif2DuplicateCheck, DynaPDFMBS.kif2Normalize) call pdf.SetImportFlags(flags) call pdf.SetImportFlags2(flags2) // make it a tagged PDF, needed for PDF/A call pdf.CreateStructureTree call pdf.openimportFile(inputfile) call pdf.ImportPDFFile(1) call pdf.CloseImportFile // check conformance and normalize 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.closefile 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 = "Generic RGB Profile.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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