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/Rotate PDF Pages
This example is the version from Mon, 21th Jun 2020.
Project "Rotate PDF Pages.xojo_binary_project"
FileTypes
Filetype text
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem UntitledMenu5 = ""
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
MenuItem UntitledMenu4 = ""
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = ""
End MenuBar
Class App Inherits Application
EventHandler Sub Open()
Dim ti As Integer = Ticks
Dim file As FolderItem = FindFile("license.pdf")
Dim out As FolderItem = SpecialFolder.Desktop.Child("test.pdf")
process file,out
ti = Ticks-ti
MsgBox Format(ti/60.0, "0.0")+" seconds."
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
Sub Process(file as FolderItem, out as FolderItem)
Dim pdf As New MyDynapdfMBS
pdf.SetLicenseKey "Lite" // For this example you can use a Lite, Pro or Enterprise License
Call pdf.CreateNewPDF(out)
call pdf.SetImportFlags BitwiseOr(pdf.kifImportAll, pdf.kifImportAsPage)
// open pdf file for importing
call pdf.OpenImportFile(file, pdf.kptOpen, "")
Call pdf.ImportPDFFile(1)
Dim pagecount As Integer = pdf.GetPageCount
For i As Integer = 1 To pageCount
If pdf.EditPage(i) Then
Dim o As Integer = pdf.GetOrientation
// rotate to 90° or back
If o = 0 Then
o = 90
Else
o = 0
End If
call pdf.SetOrientation(o)
Call pdf.EndPage
End If
Next
Call pdf.CloseFile
End Sub
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.