On Mon, Jun 24, 2013 at 04:34:20PM -0500, Richard Laager wrote: > I've attached a patch that drops into debian/patches. > > -- > Richard
> Index: jpeg-8d/jpegtran.1 > =================================================================== > --- jpeg-8d.orig/jpegtran.1 2009-12-28 13:38:22.000000000 -0600 > +++ jpeg-8d/jpegtran.1 2013-06-24 16:31:39.675724530 -0500 > @@ -28,7 +28,15 @@ followed by > .B cjpeg > to accomplish the same conversion. But by the same token, > .B jpegtran > -cannot perform lossy operations such as changing the image quality. > +cannot perform lossy operations such as changing the image quality. However, > +"lossless" in this context only applies to the image data. Extra markers can > +be (and most are by default) dropped; see the > +.B \-copy > +argument for details. This is especially important on modern "JPEG" files, > +which are actually EXIF files; the EXIF metadata will be lost. To avoid > this, > +use > +.B exiftran > +instead. > .PP > .B jpegtran > reads the named JPEG/JFIF file, or the standard input if no file is Could you make it more neutral ? Maybe advise to pass '-copy all' for full lossless behaviour ? Note that jpegtran does not change the thumbnails, so it is safer in most case to remove it than to leak the original image (with -crop). Cheers, Bill. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
