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/DynaPDF/Extract page Text area

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 area

This example is the version from Sun, 30th Apr 2016.

Project "Extract page Text area.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
End Class
Class OutputWindow Inherits Window
Control TextArea1 Inherits TextArea
ControlInstance TextArea1 Inherits TextArea
End Control
Control TextArea2 Inherits TextArea
ControlInstance TextArea2 Inherits TextArea
End Control
Control TextArea3 Inherits TextArea
ControlInstance TextArea3 Inherits TextArea
End Control
Control TextArea4 Inherits TextArea
ControlInstance TextArea4 Inherits TextArea
End Control
Control Label1 Inherits Label
ControlInstance Label1 Inherits Label
End Control
Control Canvas1 Inherits Canvas
ControlInstance Canvas1 Inherits Canvas
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 "Pro" // For this example you can use a 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) if pdf.EditPage(6) then dim w as double = pdf.GetPageWidth dim h as double = pdf.GetPageHeight dim w2 as Double = w/2.0 dim h2 as Double = h/2.0 TextArea1.Text = pdf.ExtractPageTextRect(0, h2, w2, h) TextArea2.Text = pdf.ExtractPageTextRect(w2, h2, w, h) TextArea3.Text = pdf.ExtractPageTextRect(0, 0, w2, h2) TextArea4.Text = pdf.ExtractPageTextRect(w2, 0, w, h2) // red call pdf.SetStrokeColor(255) call pdf.SetFillColor(255) // draw lines call pdf.Rectangle(0, 0, w, h, pdf.kfmStroke) call pdf.MoveTo(0, h2) call pdf.lineto(w, h2) call pdf.MoveTo(w2, 0) call pdf.lineto(w2, h) call pdf.StrokePath end if call pdf.EndPage canvas1.Backdrop = pdf.RenderPagePicture(6, canvas1.Width, canvas1.Height) 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
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

See also:

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

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