The invention improves the appearance of freehand drawn lines and shapes in an electronic document by first recognizing freehand drawn lines and shapes and generating a line made up of sequential straight line segments for the freehand drawn line when the line does not form a closed line and generating...http://www.google.de/patents/US7450763?utm_source=gb-gplus-sharePatent US7450763 - Reshaping freehand drawn lines and shapes in an electronic document
