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/DynaPDF/Split PDF in memory

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/Split PDF in memory

This example is the version from Thu, 6th Apr 2016.

Project "Split PDF in memory.xojo_binary_project"
Filetype text
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
EventHandler Sub Open() dim ti as integer = ticks dim file as FolderItem = FindFile("dynapdf_help.pdf") dim sourcePDFdata as string = ReadFile(file) dim folder as FolderItem = SpecialFolder.Desktop.Child("test") folder.CreateAsFolder split sourcePDFdata, folder folder.Launch ti = ticks-ti MsgBox Format(ti/60.0, "0.0")+" seconds for "+str(pageCount)+" pages" quit End EventHandler
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
Function ReadFile(f as FolderItem) As string dim b as BinaryStream = f.OpenAsBinaryFile(false) ' in newer versions of Real Studio: 'dim b as BinaryStream =, false) Return b.Read(b.Length) End Function
Sub split(sourcePDFdata as string, folder as FolderItem) dim pdf as new MyDynapdfMBS pdf.SetLicenseKey "Pro" // For this example you can use a Pro or Enterprise License call pdf.SetImportFlags BitwiseOr(pdf.kifImportAll, pdf.kifImportAsPage) call pdf.SetUseGlobalImpFiles(true) // keep imported file in memory // open file from memory call pdf.OpenImportBuffer(sourcePDFdata, pdf.kptOpen, "") pageCount = pdf.GetInPageCount for i as integer = 1 to pageCount // create new PDF in memory call pdf.CreateNewPDF nil // add page call pdf.Append // import page data call pdf.ImportPageEx(i,1.0,1.0) // close page call pdf.EndPage // close pdf call pdf.CloseFile // get PDF data dim outputPDFData as string = pdf.GetBuffer call pdf.FreePDF // and write to file dim dest as FolderItem = folder.Child("page "+str(i)+".pdf") dim b as BinaryStream = dest.CreateBinaryFile("") if b<>Nil then b.Write outputPDFData b.Close end if next End Sub
Property pageCount As Integer
End Class
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
Property IgnoreWarnings As Boolean
End Class
End Project

See also:

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

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