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#!/bin/csh -f
#############
# Author: Jason Paul
# Date: July 31, 2001
#
# rotate - take an image file, extract the exif information from it, rotate
# the image and then put back the exif information. This is useful for
# rotating images shot with digital cameras. Some programs do not retain
# the exif info so when you rotate it you lose the info about the shot.
#
# rotate [[-f|-flip|--flip] [horizontal | vertical]"
# [-r|-rotate|--rotate] [90 | 180 | 270] "
# [-tp|-transpose|--transpose]"
# [-tv|-transverse|--transverse]]"
# files"
#
# Options:
# -------
# -f|-flip|--flip [horizontal | vertical]
# horizontal: Mirror image horizontally (left-right).
# vertical : Mirror image vertically (top-bottom).
#
# -r|-rotate|--rotate [90 | 180 | 270]
# 90 : Rotate image 90 degrees clockwise.
# 180: Rotate image 180 degrees.
# 270: Rotate image 270 degrees clockwise (or 90 ccw).
#
# -tp|-transpose|--transpose
# Transpose image (across UL-to-LR axis).
#
# -tv|-transverse|--transverse
# Transverse transpose (across UR-to-LL axis).
#
# files
# The files you want to rotate. Wildcards are acceptable.
# The original files will be overwritten
#
## Requirements:
# ------------
# - libjpeg is needed for the 'jpegtran' program needed to rotate the
# images. This does lossless rotation on jpeg images.
# - jhead is needed to extract the exif info from the file
#
# History:
# 7/31/2001 - 1.0 - initial version
# 2/9/2002 - 1.1 - increased error handling on bad or no input
# - increased number of ways to call each argument
#
#############
set version = 1.1
# check to see if any arguments were given
if ($#argv < 1) then
echo "no arguments given to rotate"
set firstArg = "--help"
else
set firstArg = $argv[1]
endif
# this whole switch statement breaks apart the command line args to
# rotate so they can be used with the jhead and jpegtran programs
#
switch ($firstArg)
case -v:
case -version:
case --version:
echo "rotate version $version"
exit
case -f:
case -flip:
case --flip:
if ($#argv > 1) then
switch ($argv[2])
case horizontal:
# don't do anything, just make sure the arg is valid
breaksw
case vertical:
# don't do anything, just make sure the arg is valid
breaksw
default:
echo "Invalid argument $argv[2] to -flip"
echo "Possible values are:"
echo "-flip [horizontal | vertical]"
exit
endsw
else
echo "Not enough arguments to -flip"
echo "-flip [horizontal | vertical]"
exit
endif
set cmdStr = "-flip $argv[2]"
set fileStr = "$argv[3-]"
breaksw
case -r:
case -rotate:
case --rotate:
if ($#argv > 1) then
switch ($argv[2])
case "90":
# don't do anything, just make sure the arg is valid
breaksw
case "180":
# don't do anything, just make sure the arg is valid
breaksw
case "270":
# don't do anything, just make sure the arg is valid
breaksw
default:
echo "Invalid argument $argv[2] to -rotate"
echo "possible values are:"
echo "-rotate [90 | 180 | 270] "
exit
endsw
else
echo "Not enough arguments to -rotate"
echo "-rotate [90 | 180 | 270] "
exit
endif
set cmdStr = "-rotate $argv[2]"
set fileStr = "$argv[3-]"
breaksw
case -tp:
case -transpose:
case --transpose:
set cmdStr = "-transpose"
set fileStr = "$argv[2-]"
breaksw
case -tv:
case -transverse:
case --transverse:
set cmdStr = "-transverse"
set fileStr = "$argv[2-]"
breaksw
default:
echo "--------------------------------------"
echo " rotate [[-f|-flip|--flip] [horizontal | vertical]"
echo " [-r|-rotate|--rotate] [90 | 180 | 270] "
echo " [-tp|-transpose|--transpose]"
echo " [-tv|-transverse|--transverse]]"
echo " files"
echo ""
echo " Options:"
echo " -------"
echo " [-f|-flip|--flip] [horizontal | vertical]"
echo " horizontal: Mirror image horizontally (left-right)."
echo " vertical : Mirror image vertically (top-bottom)."
echo ""
echo " [-r|-rotate|--rotate] [90 | 180 | 270]"
echo " 90 : Rotate image 90 degrees clockwise."
echo " 180: Rotate image 180 degrees."
echo " 270: Rotate image 270 degrees clockwise (or 90 ccw)."
echo ""
echo " [-tp|-transpose|--transpose]"
echo " Transpose image (across UL-to-LR axis)."
echo ""
echo " [-tv|-transverse|--transverse]"
echo " Transverse transpose (across UR-to-LL axis)."
echo ""
echo " files"
echo " The files you want to rotate. Wildcards are acceptable."
echo "--------------------------------------"
echo ""
exit
endsw
if ($fileStr == "") then
echo "No files were specified to process"
exit
endif
#echo "command string to jpegtrans: $cmdStr"
#echo "file string to jpegtrans : $fileStr"
jhead -cmd "jpegtran $cmdStr -outfile &o &i" $fileStr
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