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99 lines
2.3 KiB
99 lines
2.3 KiB
#!/bin/bash
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##This script adds a caption to a figure using imagemagick
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####
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#Help
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####
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Help(){
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echo "Add a caption to an image using imagemagic"
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echo
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echo "Syntax: captionify [-h|-d|-o <out_file>|-s <size>|-p <pad>] infile message"
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echo "options:"
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echo "-h: Print this help message"
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echo '-d: Open image defined in $VIEWER'
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echo "-o: Specify output file, otherwise the output gets written to caption_infile"
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echo "-s: Specify font size in pixels"
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echo "infile: The file to be processed"
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echo "message: The message to be added"
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}
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##Image Viewer
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args=()
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argnum=0
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outfile=""
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display=0
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pad=20
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if [ "$VIEWER" = '' ]; then
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openin=sxiv
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else
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openin=$VIEWER
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fi
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while [ $# -gt 0 ]; do
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unset OPTIND
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unset OPTARG
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#Parse Flags
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while getopts 'hdo:s:p:' options; do
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case $options in
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h)
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Help
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break;;
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d)
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display=1;;
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o)
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outfile="$OPTARG";;
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s)
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size="$OPTARG";;
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p)
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pad="$OPTARG";;
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esac
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done
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shift $((OPTIND-1))
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args+=("$1")
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(( argnum++ ))
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shift
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done
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if [ "$args" = "" ]; then
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Help
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elif [ $argnum -gt 2 ]; then
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echo "Captionify takes only two positional parameter, please view help"
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elif [ $argnum -lt 2 ]; then
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echo "Captionify requires two positional parameters, please view help"
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else
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infile="${args[0]}"
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message="${args[1]}"
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#Set defaults if variable unset
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if [ "$outfile" = "" ]; then
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outfile="cap_$infile"
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fi
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if [ "$size" = "" ]; then
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ih=$(identify -format %h $infile)
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echo "Height is $ih"
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size=$(echo "scale=0; $ih*10/100" | bc )
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echo "Size is $size"
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fi
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#Now add some small padding
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if [ $pad -gt 0 ]; then
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width=$(identify -format '%w' $infile)
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height=$(identify -format '%h' $infile)
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(( height = height + pad ))
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convert -extent "${width}x${height}" $infile $outfile
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infile=$outfile
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fi
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#Now run the actual imagemagick command
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convert -gravity center $infile \( -background '#FFF' -fill black -font Helvetica -size x$size label:"$message" \)\
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-append $outfile
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if [ $display -eq 1 ]; then
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$openin $outfile
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fi
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fi
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exit 1
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