https://bugs.kde.org/show_bug.cgi?id=436738
--- Comment #18 from Albert Astals Cid <aa...@kde.org> --- (In reply to pbs3141 from comment #17) > > So I open a file, add an annotation, save it as filea.pdf then move the > > annotation around and save it as fileb.pdf. Your algorithm would think it's > > the same file. > > Yes, except in the rare case that the annotation coordinates lie in a 4kB > chunk. This indeterminacy alone is enough to make me not like my partial > hashing scheme, unless it can be guaranteed that the annotation data will > always be included. > > Maybe the hash of the whole file is the way to go. Possibly falling back to > partial hashing only for huge files. > > By the way, if I add and save an annotation on a huge PDF file (> 1GB), does > the whole PDF get rewritten out, or just the annotation? Normal behaviour is append at the end. -- You are receiving this mail because: You are the assignee for the bug.
