Processing System Of PDF Files

PDF is a widely popular electronic form of files, due to its platform-independence and maintainness of style on any output device and application of compressing algorithem introductional standard,it has become a factual standard.However PDF form was aimed at as a electronic publication, considering the copy right,PDF files are designed not to be edited.If we would like to reffer or edit it ,we need to transfer this form to another form which can not only be edited but also maintain its style.The system aim to implement this function. the system mainly comprised of the two model,the first one is extracting the content of text,the second one is extracting the content of image and save it as the form of "bmp".The system has been devided into night model.During the process of implementation, I mainly apply the VC++ to develop it and with the asistant of the graphics interface called GDI+ ,which is produced by Microsoft. Aquirement analysis was developed by the itoration model,and the entire process of implementation was strictly follow the software angineering processing.