Hi caleb, The lossless rotation of jpeg can only be applied on certain image size, not all image size. The lossless rotation is basically based on rotate the blocks of jpeg files, and block could be 8x8, 16x16, or 16x8.
Your image is 320x308, which 308 is not a multiple of 8 That's why the incomplete blocks cannot be rotate. Please refer http://www.faqs.org/faqs/jpeg-faq/part1/index.html To rotate these images, we have to re-jpeg the image and then it becomes lossy. Regards, Paul -- PaulLiu(劉穎駿) E-mail address: [EMAIL PROTECTED]
signature.asc
Description: OpenPGP digital signature