Hi, On Wed, 2008-04-09 at 09:27 +0930, David Gowers wrote: > What you are talking about is a hash function. There is a string > hasher in GLib that should do what you want. The string hash function in GLib is not suitable for this job. Torsten doesn't want to hash a string, he is asking for a checksum over image data. You can use GChecksum which was added recently to GLib or you can use the MD5 implementation in libgimpmath. Sven _______________________________________________ Gimp-developer mailing list Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer