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/Images/Tiff/BigTiff Test
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Images/Tiff/BigTiff Test
This example is the version from Sat, 9th Feb 2018.
Project "BigTiff Test.rbp"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
EventHandler Sub Open() WriteTiff true, "big.tif" WriteTiff false, "normal.tif" MainWindow.Canvas1.Backdrop = ReadTiff( "big.tif") MainWindow.Canvas2.Backdrop = ReadTiff("normal.tif") End EventHandler
Function ReadTiff(name as string) As Picture dim f as FolderItem = SpecialFolder.Desktop.Child(name) dim t as new TiffPictureMBS if not t.Open(f, "r") then Break MsgBox "Failed to open file." Return nil end if if t.ReadRGB then Return t.Pict else Break // failed to read RGB end if End Function
Sub WriteTiff(big as Boolean, name as string) dim p as new Picture(100, 100, 32) dim g as Graphics = p.Graphics g.ForeColor = &cFF0000 g.FillRect 50, 50, 50, 50 g.ForeColor = &c00FF00 g.FillRect 50, 0, 50, 50 g.ForeColor = &c0000FF g.FillRect 0, 50, 50, 50 dim f as FolderItem = SpecialFolder.Desktop.Child(name) dim t as new TiffPictureMBS dim mode as string if big then mode = "w8" else mode = "w" end if // b = big endian // l = little endian // B = Fill Order MSB to LSB // L = Fill Order LSB to MSB // H = Fill Order Host // M = Mapped // m = not mapped // C = StripChop // c = no StripChop // h = Header only // 8 = Big Mode if not t.Open(f, mode) then Break MsgBox "Failed to create file." Return end if t.Pict = p call t.WriteRGB End Sub
End Class
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
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
Class MainWindow Inherits Window
Control Canvas1 Inherits Canvas
ControlInstance Canvas1 Inherits Canvas
End Control
Control Canvas2 Inherits Canvas
ControlInstance Canvas2 Inherits Canvas
End Control
End Class
End Project

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