ここでは虹裏imgのかなり古い過去ログを閲覧することができます。
21/08/15(日)19:03:03 No.835431569
It is exif orientation tag test. The orientation value in this image is 5 (Mirror horizontal and rotate 270 CW).
1 21/08/15(日)19:07:16 No.835433623
ぐにゃぐにゃじゃねーか
2 21/08/15(日)19:07:36 No.835433797
!sage! The same image on up2 uploader: fu251344.jpg Without orientation tag: fu251347.jpg
3 21/08/15(日)19:33:52 [sage] No.835447472
!sage! Another bonus test: f18840.jpg (Orientation 6, Rotate 90 CW)
4 21/08/15(日)19:53:09 [sage] No.835457013
!sage! We are so happy to have gotten the right result! fu251460.jpg