Platforms to show: All Mac Windows Linux Cross-Platform

/Barcode/zbar/zbar


Required plugins for this example: MBS Barcode Plugin

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Barcode/zbar/zbar

This example is the version from Sun, 5th Nov 2022.

Project "zbar.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
EventHandler Sub NewDocument() #If DebugBuild Then Dim f As FolderItem = GetFolderItem("test.png") OpenDocument f #else Dim f As FolderItem = GetOpenFolderItem(FileTypes1.All) If f <> Nil Then OpenDocument f End If #EndIf End EventHandler
EventHandler Sub Open() #If TargetMacOS Then Const libname = "libzbar.0.dylib" Dim LibFile As FolderItem = GetFolderItem(libname) If ZBarMBS.LoadLibrary(LibFile) Then 'MsgBox "ZBar loaded." Else MsgBox "Failed to load ZBar library: "+ZBarMBS.LibraryLoadErrorMessage End If #ElseIf TargetLinux Then Const libname = "libzbar.so.0" // /usr/lib/x86_64-linux-gnu/libzbar.so.0 If ZBarMBS.LoadLibrary(libname) Then 'MsgBox "ZBar loaded." Else MsgBox "Failed to load ZBar library: "+ZBarMBS.LibraryLoadErrorMessage End If #elseif TargetWindows then Const libname = "libzbar.dll" If ZBarMBS.LoadLibrary(libname) Then 'MsgBox "ZBar loaded." Else MsgBox "Failed to load ZBar library: "+ZBarMBS.LibraryLoadErrorMessage End If #Else #Pragma error unknown platform? #EndIf End EventHandler
EventHandler Sub OpenDocument(item As FolderItem) scan item End EventHandler
Function FileOpen() As Boolean Dim f As FolderItem = GetOpenFolderItem(FileTypes1.All) If f <> Nil Then OpenDocument f End If Return True End Function
Sub scan(file as FolderItem) Dim p As Picture = Picture.Open(file) If p <> Nil Then Dim symbols() As ZBarMBS = ZBarMBS.Scan(p) For Each symbol As ZBarMBS In symbols Dim m As New MainWindow Dim s As String = symbol.Name+": "+symbol.Text+" "+Str(symbol.Quality) m.InfoLabel.Text = s m.pic = p Next End If End Sub
End Class
Class MainWindow Inherits Window
Control Out Inherits Canvas
ControlInstance Out Inherits Canvas
EventHandler Sub Paint(g As Graphics, areas() As REALbasic.Rect) If pic <> Nil Then Dim faktor As Double = Min( g.Height / Pic.Height, g.Width / Pic.Width) // Calculate new size Dim w As Integer = Pic.Width * faktor Dim h As Integer = Pic.Height * faktor // draw picture in the new size g.DrawPicture Pic, 0, 0, w, h, 0, 0, Pic.Width, Pic.Height End If End EventHandler
End Control
Control InfoLabel Inherits Label
ControlInstance InfoLabel Inherits Label
End Control
Property pic As Picture
End Class
FileTypes1
Filetype image/jpeg
Filetype image/png
End FileTypes1
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
MenuItem FileOpen = "Open..."
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem EditSeparator1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem EditSeparator2 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar
End Project

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


The biggest plugin in space...