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/MacCG/CoreGraphics DirectDisplay/Capture Screen with CGContextMBS
Function:
Required plugins for this example: MBS MacCG Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /MacCG/CoreGraphics DirectDisplay/Capture Screen with CGContextMBS
This example is the version from Sun, 17th Mar 2012.
Project "Capture Screen with CGContextMBS.rbp"
Class Window1 Inherits Window
EventHandler Sub Close() dim e as integer w.cancel=True do loop until w.finished e=display.ShowCursor e=display.ReleaseAllDisplays End EventHandler
EventHandler Function KeyDown(Key As String) As Boolean if asc(key)=27 then // esc quit Return true end if End EventHandler
EventHandler Sub Open() dim e as integer display = CGDisplayMBS.MainDisplay // main screen e=display.CaptureAllDisplays e=display.HideCursor w=new WorkThread w.display = Display w.run End EventHandler
Property Protected display As CGDisplayMBS
Property Protected w As workThread
End Class
MenuBar Menu
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = "File"
MenuItem FileQuit = "Quit"
MenuItem UntitledMenu0 = "Edit"
MenuItem EditUndo = "Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cut"
MenuItem EditCopy = "Copy"
MenuItem EditPaste = "Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
EventHandler Sub Open() MsgBox "Command Q will stop it." End EventHandler
End Class
Class WorkThread Inherits Thread
EventHandler Sub Run() finished=False cancel=False count=240 // start with white do work loop until cancel finished=true End EventHandler
Protected Sub Work() dim c as CGContextMBS = Display.DrawingContext if c<>Nil then c.SetRGBFillColor rnd, rnd, rnd, 1.0 c.FillRect CGMakeRectMBS(0,0,Display.PixelsWide,Display.PixelsHigh) end if End Sub
Property cancel As boolean
Property count As integer
Property display As CGDisplayMBS
Property finished As boolean
End Class
End Project

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





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