Add annotation to PDF using plain C/C++ [closed]
问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I am looking for a way to add a note to a PDF, only using plain C/C++ (without a third party library). How can I get this result? 回答1: Here is the PDF Reference Document Third Edition. PDF files are composed by