PDF Studio is software that provides a visual design environment to help the user create a document with text, image and data from database, and generate the file in PDF format. Redo/undo functionality is a common requirement to most software that has visual interface for users. This paper introduces the implementation of Undo/Redo in this software and describes how the object-oriented design pattern is applied to the design and implementation.
Citation:
Min Zhang, Kehong Wang, "Implementing Undo/Redo in PDF Studio Using Object-Oriented Design Pattern," tools, pp.58, 36th International Conference on Technology of Object-Oriented Languages and Systems (TOOLS-Asia'00), 2000