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/DynaPDF/Extract page Text
Function:
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/Extract page Text
This example is the version from Sat, 18th Aug 2017.
Project "Extract page Text.rbp"
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
End Class
Class OutputWindow Inherits Window
Control Slider1 Inherits Slider
ControlInstance Slider1 Inherits Slider
EventHandler Sub ValueChanged() load me.Value+1 End EventHandler
End Control
Control TextArea1 Inherits TextArea
ControlInstance TextArea1 Inherits TextArea
End Control
EventHandler Sub Open() // This example shows you what the raw text in a PDF is. // for getting the text nice, please use Text extraction.rbp pdf = new MyDynaPDFMBS dim f as FolderItem dim ImportFlags as integer pdf.SetLicenseKey "Lite" // For this example you can use a Lite, Pro or Enterprise License call pdf.CreateNewPDF(nil) ImportFlags=BitwiseOr(pdf.kifContentOnly, pdf.kifImportAsPage) call pdf.SetImportFlags(ImportFlags) f=FindFIle("dynapdf_help.pdf") if f=nil or f.Exists=false then MsgBox "Please change code to point to a pdf file." quit end if if pdf.OpenImportFile(f, pdf.kptOpen, "")<>0 then MsgBox "error loading pdf" quit end if // import all fies call pdf.ImportPDFFile(1, 1.0, 1.0) slider1.Maximum = pdf.getpageCount-1 Load 1 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
Sub Load(n as integer) if pdf.EditPage(n) then TextArea1.text = pdf.ExtractPageText call pdf.EndPage else MsgBox "Failed to edit page "+str(n) end if End Sub
Property pdf As MyDynapdfMBS
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

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




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