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/Images/LargePicture/PictureMBS display huge picture
Required plugins for this example: MBS Images Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Images/LargePicture/PictureMBS display huge picture
This example is the version from Sun, 17th Mar 2012.
Project "PictureMBS display huge picture.rbp"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
Control Canvas1 Inherits Canvas
ControlInstance Canvas1 Inherits Canvas
End Control
Control PushButton14 Inherits PushButton
ControlInstance PushButton14 Inherits PushButton
EventHandler Sub Action() dim f as FolderItem f=GetopenFolderItem(FileTypes.Png) if f<>Nil then Current=nil dim p as new PNGReaderMBS if p.OpenFile(f) then if p.ApplyOptions(0) then Current=new PictureMBS(p.Width,1000,PictureMBS.ImageFormatRGB) dim i,c as integer // ignore 4500 lines for i=1 to 4500 call p.ReadRow() next // read next 1000 lines for i=0 to 999 Current.RowInFormat(i, PictureMBS.ImageFormatRGBA)=p.ReadRow() next // display with x=7000 Canvas1.Backdrop=current.CopyPicture(7000,0,1000,1000) end if end if end if End EventHandler
End Control
EventHandler Sub Close() quit End EventHandler
EventHandler Sub Open() self.Maximize End EventHandler
Property Current As PictureMBS
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar
Filetype image/png
End FileTypes
End Project

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

MBS Xojo Plugins