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Diffstat (limited to 'debian/extra/jpegexiforient.1')
| -rw-r--r-- | debian/extra/jpegexiforient.1 | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/debian/extra/jpegexiforient.1 b/debian/extra/jpegexiforient.1 new file mode 100644 index 0000000..d2e32ee --- /dev/null +++ b/debian/extra/jpegexiforient.1 @@ -0,0 +1,73 @@ +.TH JPEGEXIFORIENT "1" "February 2005" "jpegexiforient" "User Commands" +.SH NAME +jpegexiforient \- reads or writes the Exif Orientation Tag +.SH SYNOPSIS +.B jpegexiforient +[\fIswitches\fR] \fIjpegfile\fR +.SH DESCRIPTION +. +This is a utility program to get and set the Exif Orientation Tag. +It can be used together with jpegtran in scripts for automatic +orientation correction of digital camera pictures. +.PP +The Exif orientation value gives the orientation of the camera +relative to the scene when the image was captured. The relation +of the '0th row' and '0th column' to visual position is shown as +below. +.IP +.nf +.ft CR +Value | 0th Row | 0th Column +------+-------------+----------- + 1 | top | left side + 2 | top | right side + 3 | bottom | right side + 4 | bottom | left side + 5 | left side | top + 6 | right side | top + 7 | right side | bottom + 8 | left side | bottom +.fi +.PP +For convenience, here is what the letter F would look like if it were +tagged correctly and displayed by a program that ignores the orientation +tag: +.IP +.nf +.ft CB + 1 2 3 4 + +888888 888888 88 88 +88 88 88 88 +8888 8888 8888 8888 +88 88 88 88 +88 88 888888 888888 + + 5 6 7 8 + +8888888888 88 88 8888888888 +88 88 88 88 88 88 88 88 +88 8888888888 8888888888 88 +.fi +.PP +jpegexiforient output the Exif Orientation Tag in a JPEG Exif file. +With the options -1 .. -8, it can also be used to set the tag. +. +.SS "OPTIONS" +.TP +\fB\-\-help\fR +display this help and exit +.TP +\fB\-\-version\fR +output version information and exit +.TP +\fB\-n\fR +Do not output the trailing newline +.TP +\fB\-1\fR .. \fB\-8\fR +Set orientation value 1 .. 8 +.SH "AUTHOR" + Guido Vollbeding <guido@jpegclub.org> +.SH "SEE ALSO" +.BR jpegtran(1), +.BR exifautotran(1) |