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/Split PDF in memory
This example is the version from Thu, 6th Apr 2016.
Project "Split PDF in memory.xojo_binary_project"
FileTypes
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 = BinaryStream.open(f, 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.
