def collectionFromItem( self, strokes, annotation ):
text_anno = None # text_anno will be the return value
if annotation.isType( CircleObserver.CircleAnnotation ):
circle = annotation
text_anno = TextAnnotation("0",circle.radius*2)
if annotation.isType( LineObserver.LineAnnotation ):
line = annotation
# if the line is up/down then it is a one
if GeomUtils.angleParallel( line.angle, 90 ) > 0.6:
line_length = GeomUtils.pointDist( line.start_point, line.end_point )
text_anno = TextAnnotation("1",line_length)
return text_anno
