Platforms to show: All Mac Windows Linux Cross-Platform
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(f.name)
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
MyFileTypes
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.