* Ofnuts <ofn...@laposte.net> [01-01-70 12:34]: > On 03/23/2012 09:20 PM, Liam R E Quin wrote: > >every time you load and > >save a JPEG file the quality is reduced and information is lost. > Not true... if nothing changes the algorithm is stable (decoded values get > re-encoded to the same values). You lose quality if you recompute something > different; changed settings, changed pixel values, changed 8x8 boundaries > (image crop).
Well, it is true and very easily proven. Open a jpg file and save it. Then open the just saved file and save it again at the save compression level. Then do a diff or simply check the file sizes. -- (paka)Patrick Shanahan Plainfield, Indiana, USA HOG # US1244711 http://wahoo.no-ip.org Photo Album: http://wahoo.no-ip.org/gallery2 http://en.opensuse.org openSUSE Community Member Registered Linux User #207535 @ http://linuxcounter.net _______________________________________________ gimp-user-list mailing list gimp-user-list@gnome.org http://mail.gnome.org/mailman/listinfo/gimp-user-list
