On Wed, May 27, 2009 at 07:27:02PM -0500, Richard Laager wrote: > On Wed, 2009-05-27 at 21:30 +0200, Bill Allombert wrote: > > On Wed, May 27, 2009 at 02:10:00PM -0500, Richard Laager wrote: > > > > Hello Richard, > > > > > From the man page: > > > NAME > > > jpegtran - lossless transformation of JPEG files > > > ... > > > ... But by the same token, jpegtran cannot perform lossy > > > operations > > > such as changing the image quality. > > > > Only when applied to JPEG files, not EXIF files with are not valid JPEG > > files according to the JFIF standard. (It is not possible for a file to > > be both EXIF and JFIF compliant). If you want to manipulate EXIF files, > > use exif software. > > Issues with jpegtran aside, is using jpegexiforient to set the EXIF > orientation flag the right solution, assuming my viewers all support > EXIF? (That doesn't help with programs that don't read EXIF tags, of > course.)
It does not change the thumbnail, IIRC. Cheers, -- Bill. <ballo...@debian.org> Imagine a large red swirl here. -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
