Window constructor
creates a new named OpenCV window
For further details, please see: http://docs.opencv.org/master/d7/dfc/group__highgui.html#ga5afdf8410934fd099df85c75b2e0888b
Implementation
Window(this.name, [int flags = 0]) {
cvRunArena((arena) {
cvRun(() => chighgui.Window_New(name.toNativeUtf8(allocator: arena).cast(), flags));
});
}