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/Extract page Text
This example is the version from Sat, 18th Aug 2017.
Project "Extract page Text.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
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
See also:
The items on this page are in the following plugins: MBS DynaPDF Plugin.
