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|
#!/usr/bin/env bash
: <<COMMENT
Copyright (C) 2012 Tri Le <trile7 at gmail dot com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
COMMENT
version="imgtools v0.1.1"
blue='\e[0;34m'; green='\e[0;32m'; red='\e[0;31m'; yellow='\e[0;33m'; bold='\e[1m'; none='\e[0m'
function menu {
n=0
choices=("$@")
echo -e "$blue$bold$menutitle"
for i in "${choices[@]}"; do
echo -e "$none$((n++))) $yellow$i"
done
echo -en "${none}c|q) ${yellow}Cancel"
echo -e "$green"
read -rp "Enter a choice from above menu: " i
echo -e "$none"
[[ $i =~ c|q ]] && exit 1
if test "$i" -lt $n 2>/dev/null; then
choice=${choices[i]}; return "$i"
else
echo -e "$red$i is an invalid entry...please try again!"
menu "${choices[@]}"
fi
}
function slideshow {
if [[ ${files[0]} = -* ]]; then
for i in 0 2 4; do
if [[ ${files[i]} = -* ]]; then opt=("${opt[@]}" "${files[i]}" "${files[i+1]}"); unset "files[i]" "files[i+1]"; fi
done
else
echo "Default delay 2 seconds, loop forever, and resize only large image to 800x600:"
echo " -delay 2 -loop 0 -resize 800x600>"
echo -ne "$green"
read -rp "Enter slideshow options (enter to use defaults): " -a opt
echo -ne "$none"
fi
for i in 0 2 4; do
case ${opt[i]} in
*delay) d=${opt[i+1]} ;;
*loop) l=${opt[i+1]} ;;
*resize) s=${opt[i+1]} ;;
esac
done
[[ ${files[2]} ]] || err "You must specify at least one image file"
display -coalesce -auto-orient -immutable -delay "${d:=2}" -loop "${l:=0}" -resize "${s:=800x600>}" "${files[@]}"
}
function info {
echo -e "${yellow}image, format, dimension, geometry, depth, class, size, processing times $none"
for i in "${files[@]}"; do
[[ -f $i ]] && identify "$i" || echo -e "$red$i doesn't exist$none"
done
}
function wallpaper {
if [[ ${files[0]} = -* ]]; then
choice=${files[0]//-}; img0=${files[1]}
else
img0=${files[0]}
menutitle="---Wallpaper Modes---"
menu "Tile" "Resize and Tile" "Center" "Resize and Center" "Stretch"
fi
[[ -f $img0 ]] || err "$img0 doesn't exist"
res=($(xrandr | grep \* | grep -o "[0-9]*x[0-9]*")) || res=($(xdpyinfo | grep dimensions: | grep -o "[0-9]*x[0-9]*")) || res=$(xprop -root _NET_DESKTOP_GEOMETRY | cut -d'=' -f2 | tr -d ' ' | tr ',' 'x')
rootsize=${res:=800x600}; rootw=${res%x*}; rooth=${res#*x}
img=/tmp/.wallpaper.jpg
case $choice in
[tT]ile) display -window root "$img0"; exit ;;
*[rR]esize*) convert "$img0" -resize $rootsize "$img" ;;
[sS]tretch) convert "$img0" -resize $rootsize! "$img" ;;
*) convert "$img0" -resize $rootsize\> "$img" ;;
esac
if [[ $choice = *[cC]enter* ]]; then
imgw=$(identify -format "%w" $img)
imgh=$(identify -format "%h" $img)
x=$((rootw-imgw)); x=$((x/2))
y=$((rooth-imgh)); y=$((y/2))
display -geometry $rootsize+$x+$y -window root $img
else
display -window root $img
fi
}
function resize {
if [[ ${files[0]} = -*size ]]; then
s=${files[1]}; unset "files[0]" "files[1]"
else
echo -e "Use resize operators ${green}> < !${none} to determine what image size to resize. Examples:"
echo -e " ${green}800x600>${none} reduce only larger image to given size keeping aspect ratio"
echo -e " ${green}800x600<${none} enlarge only smaller image to given size keeping aspect ratio"
echo -e " ${green}800x600!${none} force image to given size ignoring aspect ratio"
echo -e " ${green}800x600${none} resize to given size keeping aspect ratio"
echo -ne "$green"
read -rp "Enter new size (WxH in pixel): " s
echo -e "$none"
fi
if [[ $s = [0-9]*[0-9] || $s = x[0-9]* || $s = [0-9]*x || $s = [0-9]*[\>\<\!] ]]; then
for i in "${files[@]}"; do
newname=${i%.*}_s$s.${i##*.}
[[ -f $i ]] && convert "$i" -resize "$s" "$newname" || echo -e "$red$i doesn't exit$none"
done
else
echo -e "${red}Invalid size$none"
resize "${files[@]}"
fi
}
function rotate {
if [[ ${files[0]} = -*angle ]]; then
d=${files[1]}; unset "files[0]" "files[1]"
else
echo -ne "$green"
read -rp "Enter angle (non-zero number): " d
echo -ne "$none"
fi
if [[ $d -gt 0 || $d -lt 0 ]]; then
for i in "${files[@]}"; do
newname=${i%.*}_r$d.${i##*.}
[[ -f $i ]] && convert "$i" -rotate "$d" "$newname" || echo -e "$red$i doesn't exit$none"
done
else
echo -e "${red}Angle must be a non-zero number$none"
rotate "${files[@]}"
fi
}
function format {
if [[ ${files[0]} = -* ]]; then
choice=${files[0]//-}; unset "files[0]"
else
menutitle="---Image Formats---"
menu "jpg" "png" "gif" "ico" "bmp" "tif" "ps" "pdf"
fi
for i in "${files[@]}"; do
newname=${i%.*}.$choice
if [[ ! -f $i ]]; then echo -e "$red$i doesn't exist$none"; continue; fi
if [[ $i = "$newname" ]]; then echo -e "$yellow$i is already $choice format$none"; continue; fi
case $choice in
tif|ps|pdf) convert "$i" -compress Zip "$newname" ;;
bmp) convert "$i" BMP3:"$newname" ;;
*) convert "$i" "$newname" ;;
esac
done
}
function 2pdf {
if [[ ${files[0]} = -*name ]]; then
f=${files[1]}; unset "files[0]" "files[1]"
else
echo -e "${green}Default is combined_images.pdf"
read -rp "Enter pdf filename: " f
echo -ne "$none"
fi
if [[ -z $f ]]; then f=combined_images.pdf
elif [[ $f != *.pdf ]]; then f=$f.pdf; fi
[[ -e $f ]] && f=${f%.*}_$(date +%s).pdf
[[ ${files[2]} ]] || err "You must specify at least one image file"
mkdir -p "$(dirname "$f")"
convert "${files[@]}" -compress Zip "$f"
}
function usage {
echo "$version"
echo -e "${bold}Usage: ${0##*/} [command] [option] images$none"
echo "Commands and options:"
echo " --slideshow [--delay sec --loop n --resize pixel]"
echo " --info"
echo " --wallpaper [--tile|--resizetile|--center|--resizecenter|--stretch]"
echo " --resize [--size pixel]"
echo " --rotate [--angle degree]"
echo " --format [--jpg|--png|--gif|--ico|--bmp|--tif|--ps|--pdf]"
echo " --2pdf [--name filename]"
exit
}
function mainmenu {
if [[ $cmd ]]; then $cmd; return; fi
echo -e "${yellow}Files in selection:$none"
for i in "${files[@]}"; do echo -n "$i "; done
echo
menutitle="---Image Tools---"
menu "Image Slideshow" "Image Information" "Set Image as Wallpaper" "Image Resize" "Image Rotation" "Image Format Conversion" "Combine Images to PDF"
case $choice in
*Slideshow) slideshow ;;
*Info*) info ;;
*Wallpaper) wallpaper ;;
*Resize) resize ;;
*Rotation) rotate ;;
*Format*) format ;;
*PDF) 2pdf ;;
esac
mainmenu
}
function err { echo -e "$red$*$none"; exit 1; }
case $1 in
-h|--help) usage ;;
--*) cmd=${1//-}; shift; files=("$@") ;;
*) files=("$@") ;;
esac
[[ $# -eq 0 ]] && usage
mainmenu "$cmd"
|
