At present, more and more e-books and e-magazines are created with PDF because people can insert beautiful images, flash or some other attractive elements in PDF, which make the e-books or e-magazines be more appealed for readers.

Besides inserting images or flash, sometimes, people may draw shapes or tables in PDF document according to the document contents. For example, if one paragraph has shown much data information, the author may create a data table to make reader learn clearly abo...