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You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/OCG/OCG Test
This example is the version from Sat, 19th Jan 2018.
Project "OCG Test.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
Control List Inherits Listbox
ControlInstance List Inherits Listbox
EventHandler Sub CellAction(row As Integer, column As Integer)
Update
End EventHandler
EventHandler Sub Open()
me.ColumnType(0) = me.TypeCheckbox
End EventHandler
End Control
Control Output Inherits Canvas
ControlInstance Output Inherits Canvas
EventHandler Sub Paint(g As Graphics, areas() As REALbasic.Rect)
if pic <> nil then
g.DrawPicture pic, 0, 0, g.Width, g.Height, 0, 0, pic.Width, pic.Height
end if
End EventHandler
End Control
EventHandler Sub Open()
file = findFIle("test.pdf")
if file = nil then
file = GetOpenFolderItem("")
end if
ReadInfo
update
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 ReadInfo()
p = new MyDynaPDFMBS
p.SetLicenseKey "Pro" // For this example you can use Pro or Enterprise License
call p.CreateNewPDF(nil)
// Skip anything that is not required
call p.SetImportFlags p.kifImportAll+p.kifImportAsPage
// From which PDF file do you want to extract the images?
call p.OpenImportFile(file, p.kptOpen, "")
// import pages
call p.ImportPDFFile(1, 1.0, 1.0)
call p.CloseImportFile
// lookup all links
dim u as integer = p.GetOCGCount - 1
Title = str(p.GetOCGCount)+" OCGs"
for i as integer = 0 to u
dim b as DynaPDFOCGMBS = p.GetOCG(i)
List.AddRow b.Name
List.RowTag(List.LastIndex) = i
next
End Sub
Sub Update()
dim u as integer = List.ListCount-1
for i as integer = 0 to u
dim on as Boolean = List.CellCheck(i,0)
dim h as integer = list.RowTag(i)
call p.SetOCGState h, on, false
next
#if RBVersion > 2013 then
if self.BackingScaleFactorMBS > 1 then
// Mac retina
pic = p.RenderPagePicture(1, output.Width*2, output.Height*2)
else
// normal
pic = p.RenderPagePicture(1, output.Width, output.Height)
end if
#else
pic = p.RenderPagePicture(1, output.Width, output.Height)
#endif
output.Invalidate
End Sub
Property file As FolderItem
Property p As MyDynaPDFMBS
Property pic As Picture
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
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
SetRetina
End SetRetina
End Project
The items on this page are in the following plugins: MBS DynaPDF Plugin.