# File scribble22.rb, line 397
        def drawLoadedPicture(str)
                        dc = FXDCWindow.new(@canvas)
                        dc.foreground = @canvas.backColor
                        dc.fillRectangle(0, 0, @canvas.width, @canvas.height)
                        dc.foreground = @drawColor.rgba
                        
                        stringArray = str.scan(/-?\d+/)

# Auslesen der 4 Koordinaten mit Hilfe von reg. Ausdrücken                      
                        while stringArray.length != 0
                                dc.drawLine(stringArray[0].to_i, stringArray[1].to_i, stringArray[2].to_i, stringArray[3].to_i)
                                stringArray.delete_at(0)
                                stringArray.delete_at(0)
                                stringArray.delete_at(0)
                                stringArray.delete_at(0)
                        end
                        @dirty = true
        end