#!/bin/bash # # Developed by Fred Weinhaus 8/16/2014 .......... 6/22/2017 # # ------------------------------------------------------------------------------ # # Licensing: # # Copyright © Fred Weinhaus # # My scripts are available free of charge for non-commercial use, ONLY. # # For use of my scripts in commercial (for-profit) environments or # non-free applications, please contact me (Fred Weinhaus) for # licensing arrangements. My email address is fmw at alink dot net. # # If you: 1) redistribute, 2) incorporate any of these scripts into other # free applications or 3) reprogram them in another scripting language, # then you must contact me for permission, especially if the result might # be used in a commercial or for-profit environment. # # My scripts are also subject, in a subordinate manner, to the ImageMagick # license, which can be found at: http://www.imagemagick.org/script/license.php # # ------------------------------------------------------------------------------ # #### # # USAGE: diagcollage [-s size] [-b bordercolor] [-t thickness] [-d direction] # [-g1 gravity1] [-g2 gravity2] [-g3 gravity3] [-c1 crop1] [-c2 crop2] # [-c3 crop3] infile1 infile2 infile3 outfile # # USAGE: diagcollage [-h or -help] # # OPTIONS: # # -s size square output size; even integer>0; default=400 # -b bcolor border color; default=white # -t thick border thickness; even integer>0; default=10 # -d direction direction of 5 deg rotation; p (positive) or # n (negative); default=p # -g1 gravity1 crop gravity setting for image 1; default=center # -g2 gravity2 crop gravity setting for image 2; default=center # -g3 gravity3 crop gravity setting for image 3; default=center # -c1 crop1 crop offsets for image 1; default="+0+0" # -c2 crop2 crop offsets for image 2; default="+0+0" # -c3 crop3 crop offsets for image 3; default="+0+0" # ### # # NAME: DIAGCOLLAGE # # PURPOSE: Collages three images in a diagonal orientation. # # DESCRIPTION: DIAGCOLLAGE collages three images in a diagonal orientation. # The first image will span the top half (before rotation) and the other two # images will be on the bottom left and bottom right quadrants, respectively. # # OPTIONS: # # -s size ... SIZE is the even square output size. Values are even integers>0. # The default=400. # # -b bcolor ... BCOLOR is the border color. Any valid IM opaque color is # permitted. The default=white. # # -t thick ... THICK is the border thickness. Values are even integer>0. The # default=10. # # -d direction ... DIRECTIONS of the 5 deg rotation. Values are: p (positive) # or n (negative). The default=p (positive). # # -g1 gravity1 ... GRAVITY1 is the crop gravity setting for image 1. Any IM # gravity setting is allowed. The default=center. # # -g2 gravity2 ... GRAVITY2 is the crop gravity setting for image 2. Any IM # gravity setting is allowed. The default=center. # # -g3 gravity3 ... GRAVITY3 is the crop gravity setting for image 3. Any IM # gravity setting is allowed. The default=center. # # -c1 crop1 ... CROP1 is the crop offsets for image 1. # The format is +-X+-Y. The default="+0+0". # # -c2 crop2 ... CROP2 is the crop offsets for image 1. # The format is +-X+-Y. The default="+0+0". # # -c3 crop3 ... CROP3 is the crop offsets for image 1. # The format is +-X+-Y. The default="+0+0". # # CAVEAT: No guarantee that this script will work on all platforms, # nor that trapping of inconsistent parameters is complete and # foolproof. Use At Your Own Risk. # ###### # # set default values size=400 # square output size; must be even bcolor="white" # border color thick=10 # border thickness; must be even direction="p" # direction of 5 deg rotation; p (positive) or n (negative) gravity1="center" # gravity for image 1 gravity2="center" # gravity for image 2 gravity3="center" # gravity for image 3 crop1="+0+0" # crop offsets for image 1 crop2="+0+0" # crop offsets for image 2 crop3="+0+0" # crop offsets for image 3 # set directory for temporary files tmpdir="/tmp" # set up functions to report Usage and Usage with Description PROGNAME=`type $0 | awk '{print $3}'` # search for executable on path PROGDIR=`dirname $PROGNAME` # extract directory of program PROGNAME=`basename $PROGNAME` # base name of program usage1() { echo >&2 "" echo >&2 "$PROGNAME:" "$@" sed >&2 -e '1,/^####/d; /^###/g; /^#/!q; s/^#//; s/^ //; 4,$p' "$PROGDIR/$PROGNAME" } usage2() { echo >&2 "" echo >&2 "$PROGNAME:" "$@" sed >&2 -e '1,/^####/d; /^######/g; /^#/!q; s/^#*//; s/^ //; 4,$p' "$PROGDIR/$PROGNAME" } # function to report error messages errMsg() { echo "" echo $1 echo "" usage1 exit 1 } # function to test for minus at start of value of second part of option 1 or 2 checkMinus() { test=`echo "$1" | grep -c '^-.*$'` # returns 1 if match; 0 otherwise [ $test -eq 1 ] && errMsg "$errorMsg" } # test for correct number of arguments and get values if [ $# -eq 0 ] then # help information echo "" usage2 exit 0 elif [ $# -gt 24 ] then errMsg "--- TOO MANY ARGUMENTS WERE PROVIDED ---" else while [ $# -gt 0 ] do # get parameter values case "$1" in -h|-help) # help information echo "" usage2 exit 0 ;; -s) # get size shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID SIZE SPECIFICATION ---" checkMinus "$1" size=`expr "$1" : '\([0-9]*\)'` [ "$size" = "" ] && errMsg "--- SIZE=$size MUST BE A NON-NEGATIVE INTEGER ---" testA=`echo "$size < 2" | bc` testB=`echo "$size % 2" | bc` [ $testA -eq 1 -o $testB -eq 1 ] && errMsg "--- SIZE=$size MUST BE AN EVEN INTEGER GREATER THAN 0 ---" ;; -b) # get bcolor shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID BCOLOR SPECIFICATION ---" checkMinus "$1" bcolor="$1" ;; -t) # get thick shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID THICK SPECIFICATION ---" checkMinus "$1" thick=`expr "$1" : '\([0-9]*\)'` [ "$thick" = "" ] && errMsg "--- THICK=$thick MUST BE A NON-NEGATIVE INTEGER ---" testA=`echo "$thick < 2" | bc` testB=`echo "$thick % 2" | bc` [ $testA -eq 1 -o $testB -eq 1 ] && errMsg "--- THICK=$thick MUST BE AN EVEN INTEGER GREATER THAN 0 ---" ;; -d) # direction shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID DIRECTION SPECIFICATION ---" checkMinus "$1" direction=`echo "$1" | tr "[:upper:]" "[:lower:]"` case "$direction" in positive|pos|p) direction="p" ;; negative|neg|n) direction="n" ;; *) errMsg "--- DIRECTION=$direction IS AN INVALID VALUE ---" esac ;; -g1) # gravity1 shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID GRAVITY1 SPECIFICATION ---" checkMinus "$1" gravity1=`echo "$1" | tr "[:upper:]" "[:lower:]"` case "$gravity1" in northwest) ;; north) ;; northeast) ;; west) ;; center) ;; east) ;; southwest) ;; south) ;; southeast) ;; *) errMsg "--- GRAVITY1=$gravity1 IS AN INVALID VALUE ---" esac ;; -g2) # gravity2 shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID GRAVITY2 SPECIFICATION ---" checkMinus "$1" gravity2=`echo "$1" | tr "[:upper:]" "[:lower:]"` case "$gravity2" in northwest) ;; north) ;; northeast) ;; west) ;; center) ;; east) ;; southwest) ;; south) ;; southeast) ;; *) errMsg "--- GRAVITY2=$gravity2 IS AN INVALID VALUE ---" esac ;; -g3) # gravity3 shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID GRAVITY3 SPECIFICATION ---" checkMinus "$1" gravity3=`echo "$1" | tr "[:upper:]" "[:lower:]"` case "$gravity3" in northwest) ;; north) ;; northeast) ;; west) ;; center) ;; east) ;; southwest) ;; south) ;; southeast) ;; *) errMsg "--- GRAVITY3=$gravity3 IS AN INVALID VALUE ---" esac ;; -c1) # get crop1 shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID CROP1 SPECIFICATION ---" #checkMinus "$1" crop1=`expr "$1," : '\([+-][0-9]*[+-][0-9]*\)'` [ "$crop1" = "" ] && errMsg "--- CROP1=$crop1 MUST BE A PAIR INTEGERS OF THE FORM +-X+-Y ---" ;; -c2) # get crop2 shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID CROP2 SPECIFICATION ---" #checkMinus "$1" crop2=`expr "$1," : '\([+-][0-9]*[+-][0-9]*\)'` [ "$crop2" = "" ] && errMsg "--- CROP2=$crop2 MUST BE A PAIR INTEGERS OF THE FORM +-X+-Y ---" ;; -c3) # get crop3 shift # to get the next parameter # test if parameter starts with minus sign errorMsg="--- INVALID CROP3 SPECIFICATION ---" #checkMinus "$1" crop3=`expr "$1," : '\([+-][0-9]*[+-][0-9]*\)'` [ "$crop3" = "" ] && errMsg "--- CROP3=$crop3 MUST BE A PAIR INTEGERS OF THE FORM +-X+-Y ---" ;; -) # STDIN and end of arguments break ;; -*) # any other - argument errMsg "--- UNKNOWN OPTION ---" ;; *) # end of arguments break ;; esac shift # next option done # # get infile and outfile infile1="$1" infile2="$2" infile3="$3" outfile="$4" fi # test that infile1 provided [ "$infile1" = "" ] && errMsg "--- NO INPUT FILE 1 SPECIFIED ---" # test that infile2 provided [ "$infile2" = "" ] && errMsg "--- NO INPUT FILE 2 SPECIFIED ---" # test that infile1 provided [ "$infile3" = "" ] && errMsg "--- NO INPUT FILE 3 SPECIFIED ---" # test that outfile provided [ "$outfile" = "" ] && errMsg "--- NO OUTPUT FILE SPECIFIED ---" # setup temporary images # Setup directory for temporary files # On exit remove ALL -- the whole directory of temporary images dir="$tmpdir/DIAGCOLLAGE.$$" trap "rm -rf $dir;" 0 trap "rm -rf $dir; exit 1" 1 2 3 15 trap "rm -rf $dir; exit 1" ERR mkdir "$dir" || { echo >&2 "$PROGNAME: Unable to create working dir \"$dir\" -- ABORTING" exit 10 } # read input image 1 if [ -f "$infile1" -a -e "$infile1" -a -r "$infile1" -a -s "$infile1" ]; then convert -quiet "$infile1" +repage -alpha off $dir/tmpA1.miff else errMSG "--- FILE $infile1 DOES NOT EXIST OR IS NOT AN ORDINARY FILE, NOT READABLE OR HAS ZERO SIZE ---" fi # read input image 2 if [ -f "$infile2" -a -e "$infile2" -a -r "$infile2" -a -s "$infile2" ]; then convert -quiet "$infile2" +repage -alpha off $dir/tmpA2.miff else errMSG "--- FILE $infile2 DOES NOT EXIST OR IS NOT AN ORDINARY FILE, NOT READABLE OR HAS ZERO SIZE ---" fi # read input image 3 if [ -f "$infile3" -a -e "$infile3" -a -r "$infile3" -a -s "$infile3" ]; then convert -quiet "$infile3" +repage -alpha off $dir/tmpA3.miff else errMSG "--- FILE $infile3 DOES NOT EXIST OR IS NOT AN ORDINARY FILE, NOT READABLE OR HAS ZERO SIZE ---" fi # get modified size and half size to compensate for rotate and crop osize=`convert xc: -format "%[fx:$size-2*$thick]" info:` size=`convert xc: -format "%[fx:1.1*$size]" info:` size2=`convert xc: -format "%[fx:$size/2]" info:` #echo "osize=$osize; size=$size; size2=$size2;" # get half thickness thick2=`convert xc: -format "%[fx:$thick/2]" info:` # get direction if [ "$direction" = "p" ]; then sign="+" elif [ "$direction" = "n" ]; then sign="-" fi convert \ \( $dir/tmpA1.miff -gravity $gravity1 -crop $crop1 +repage -resize ${size}x \ -crop ${size}x${size2}+0+0 +repage -background $bcolor -gravity south -splice 0x$thick \) \ \( $dir/tmpA2.miff -gravity $gravity2 -crop $crop2 +repage -resize ${size2}x${size2}^ -gravity center \ -crop ${size2}x${size2}+0+0 +repage -gravity east -chop ${thick2}x0 -background white -splice ${thick2}x0 \) \ \( $dir/tmpA3.miff -gravity $gravity3 -crop $crop3 +repage -resize ${size2}x${size2}^ -gravity center \ -crop ${size2}x${size2}+0+0 +repage -gravity west -chop ${thick2}x0 -background white -splice ${thick2}x0 \) \ \( -clone 1 -clone 2 +append \) \ -delete 1,2 -append \ -background $bcolor -rotate ${sign}5 +repage \ -gravity center -crop ${osize}x${osize}+0+0 +repage \ -bordercolor $bcolor -border $thick "$outfile" exit 0