PICTURE FORMING DEVICE, PICTURE PROCESSOR, COPYING PROTECTION METHOD FOR PICTURE FORMING DEVICE, COPYING PROTECTION METHOD FOR PICTURE PROCESSOR, AND COMPUTER READABLE STORAGE MEDIUM WITH PROGRAM STORED

摘要

PROBLEM TO BE SOLVED: To prevent carelessly copyies distributed by easily generating a document whose copying is limited and limiting the copy processing of the document as intended by a user. SOLUTION: A marking addition circuit adds copying inhibition or secondary copying inhibition marking as picture information to picture information, which is read by a scanner 201 and is stored in a picture memory 2091, to output picture information based on the indication of copying inhibition or secondary copying inhibition, picture information is deleted if it is discriminated by the marking discrimination circuit 2092 that copying inhibition marking is added to picture information which is read by the scanner part 201 and is stored in the picture memory 2091, and secondary copying inhibition marking is changed to copying inhibition marking to output picture information if it is discriminated that secondary copying inhibition marking is added.