150 lines
6.1 KiB
Bash
Executable File
150 lines
6.1 KiB
Bash
Executable File
#! /bin/bash
|
|
|
|
#########################################################
|
|
# #
|
|
# resizePictures.sh #
|
|
# #
|
|
# Author: Damien Broqua <contact@darkou.fr> #
|
|
# Github: https://github.com/Dbroqua/resizePictures #
|
|
# Licence: Apache License 2.0 #
|
|
# #
|
|
# Requirement: #
|
|
# - imagemagick #
|
|
# #
|
|
# Usage: #
|
|
# - create logo.png in ~/templates #
|
|
# - run resizePictures.sh in wanted directory #
|
|
# All jpg of the current folder wil be resized and #
|
|
# stored in <currentfolder>/resized #
|
|
# If cover.jpg found, file will be converted in other #
|
|
# size and without logo (for my wordpress theme). #
|
|
# #
|
|
#########################################################
|
|
|
|
# Your choices
|
|
MAXWIDTH=800
|
|
MAXHEIGHT=600
|
|
COVERWIDTH=520
|
|
COVERHEIGHT=245
|
|
|
|
# Defining some generic variables
|
|
COVERFILE="cover.jpg"
|
|
COVERRATIO=`bc -l <<< "${COVERWIDTH}/${COVERHEIGHT}"`
|
|
LOGO=~/template/logo.png
|
|
IMAGERATIO=`bc -l <<< "${MAXWIDTH}/${MAXHEIGHT}"`
|
|
DEST='resized'
|
|
OPTIONS='-depth 8 -quality 90 -strip -interlace Plane'
|
|
BORDERWIDTH=12
|
|
BORDERTHINWIDTH=1
|
|
BORDERTHINPLACEMENT=8
|
|
|
|
# Defining some colors for log()
|
|
RED="\E[31m"
|
|
BLUE="\E[44m"
|
|
GREEN="\E[92m"
|
|
BOLD="\033[4m"
|
|
RESET="\033[0m"
|
|
|
|
|
|
# If destination does not exists, create it
|
|
if [ ! -d ${DEST} ] ; then
|
|
mkdir ${DEST}
|
|
fi
|
|
|
|
# For each files
|
|
for image in {*.jpg,*.JPG} ; do
|
|
if [ "${image}" != "*.JPG" ] && [ "${image}" != "*.jpg" ] ; then
|
|
if [ ! -f "${image}" ] ; then
|
|
echo -e "${RED}# ${image} is not a valid image file in ${PWD}${RESET}"
|
|
continue
|
|
fi
|
|
|
|
# Extract image dimensions
|
|
WIDTH=`identify -format "%[fx:w]" ${image}`
|
|
HEIGHT=`identify -format "%[fx:h]" ${image}`
|
|
|
|
# Compute image ratio
|
|
TMPIMAGERATIO=`bc -l <<< "${WIDTH}/${HEIGHT}"`
|
|
|
|
# Define image size
|
|
NEWWIDTH=${WIDTH}
|
|
NEWHEIGHT=${HEIGHT}
|
|
|
|
# Compute new image size based on image type
|
|
if [ "${image}" == "${COVERFILE}" ] ; then
|
|
# Compute temporary with or height to crop correctly image
|
|
if [ "${COVERRATIO}" -gt "${TMPIMAGERATIO}" ] ; then
|
|
NEWHEIGHT=$((${WIDTH}*${COVERHEIGHT}/${COVERWIDTH}))
|
|
else
|
|
NEWWIDTH=$((${HEIGHT}*${COVERWIDTH}/${COVERHEIGHT}))
|
|
fi
|
|
else
|
|
# Compute temporary with or height to crop correctly image
|
|
RATIO=`echo ${IMAGERATIO}'<'${TMPIMAGERATIO} | bc -l`
|
|
if [ ${RATIO} -eq 1 ] ; then
|
|
NEWWIDTH=${MAXWIDTH}
|
|
NEWHEIGHT=`LC_NUMERIC="en_US.UTF-8" printf "%.0f" $(bc -l <<< "scale=1; ${HEIGHT}*${NEWWIDTH}/${WIDTH}")`
|
|
else
|
|
NEWHEIGHT=${MAXHEIGHT}
|
|
NEWWIDTH=`LC_NUMERIC="en_US.UTF-8" printf "%.0f" $(bc -l <<< "scale=1; ${WIDTH}*${NEWHEIGHT}/${HEIGHT}")`
|
|
fi
|
|
fi
|
|
|
|
# Convert cover
|
|
if [ "${image}" == "${COVERFILE}" ] ; then
|
|
echo -e "${GREEN}Converting cover file${RESET}"
|
|
|
|
# Crop image with the good ratio
|
|
convert -gravity Center -crop ${NEWWIDTH}x${NEWHEIGHT}+0+0 +repage ${image} /tmp/${image}
|
|
|
|
# Rezise cover and save it
|
|
convert ${OPTIONS} -resize ${COVERWIDTH}x${COVERHEIGHT} /tmp/${image} ${DEST}/${image}
|
|
|
|
# Remove temporary file
|
|
rm /tmp/${image}
|
|
else
|
|
echo -e "${RED}Converting image ${image}${RESET}"
|
|
echo -e " -> ${BLUE}Create JPG version${RESET}"
|
|
|
|
# Compute positions for black border
|
|
BORDERUPPERLEFT=$((${BORDERWIDTH}/2)),$((${BORDERWIDTH}/2))
|
|
BORDERLOWERLEFT=$((${BORDERWIDTH}/2)),$((${NEWHEIGHT} - ${BORDERWIDTH}/2))
|
|
BORDERLOWERRIGHT=$((${NEWWIDTH} - ${BORDERWIDTH}/2)),$((${NEWHEIGHT} - ${BORDERWIDTH}/2))
|
|
BORDERUPPERRIGHT=$((${NEWWIDTH} - ${BORDERWIDTH}/2)),$((${BORDERWIDTH}/2))
|
|
|
|
# Compute positions for white border
|
|
THINBORDERUPPERLEFT=${BORDERTHINPLACEMENT},${BORDERTHINPLACEMENT}
|
|
THINBORDERLOWERLEFT=${BORDERTHINPLACEMENT},$((${NEWHEIGHT}-${BORDERTHINPLACEMENT} ))
|
|
THINBORDERLOWERRIGHT=$((${NEWWIDTH}-${BORDERTHINPLACEMENT} )),$((${NEWHEIGHT}-${BORDERTHINPLACEMENT} ))
|
|
THINBORDERUPPERRIGHT=$((${NEWWIDTH}-${BORDERTHINPLACEMENT} )),${BORDERTHINPLACEMENT}
|
|
|
|
# resize and add border on image
|
|
convert -resize ${NEWWIDTH}x${NEWHEIGHT} \
|
|
"${image}" \
|
|
-fill transparent -stroke black -strokewidth ${BORDERWIDTH} -draw "stroke-linecap square path 'M $((${BORDERWIDTH}/2)),0 L ${BORDERLOWERLEFT} L ${BORDERLOWERRIGHT} L ${BORDERUPPERRIGHT} L ${BORDERUPPERLEFT} Z'" \
|
|
-fill transparent -stroke white -strokewidth ${BORDERTHINWIDTH} -draw "stroke-linecap square path 'M ${THINBORDERUPPERLEFT} L ${THINBORDERLOWERLEFT} L ${THINBORDERLOWERRIGHT} L ${THINBORDERUPPERRIGHT} L ${THINBORDERUPPERLEFT} Z'" \
|
|
"${DEST}/${image}"
|
|
|
|
# Add logo on imagedow
|
|
composite ${OPTIONS} -gravity SouthEast "${LOGO}" "${DEST}/${image}" "${DEST}/${image}"
|
|
|
|
# Create same version but in PNG and with box shadow
|
|
echo -e " -> ${BLUE}Create PNG version${RESET}"
|
|
filename=$(basename -- "${image}")
|
|
extension="${filename##*.}"
|
|
filename="${filename%.*}"
|
|
|
|
convert -resize ${NEWWIDTH}x${NEWHEIGHT} \
|
|
"${image}" \
|
|
-fill transparent -stroke black -strokewidth ${BORDERWIDTH} -draw "stroke-linecap square path 'M $((${BORDERWIDTH}/2)),0 L ${BORDERLOWERLEFT} L ${BORDERLOWERRIGHT} L ${BORDERUPPERRIGHT} L ${BORDERUPPERLEFT} Z'" \
|
|
-fill transparent -stroke white -strokewidth ${BORDERTHINWIDTH} -draw "stroke-linecap square path 'M ${THINBORDERUPPERLEFT} L ${THINBORDERLOWERLEFT} L ${THINBORDERLOWERRIGHT} L ${THINBORDERUPPERRIGHT} L ${THINBORDERUPPERLEFT} Z'" \
|
|
\( +clone -background black -shadow 80x3+2+2 \) \
|
|
+swap -background transparent -layers merge +repage \
|
|
"${DEST}/${filename}.png"
|
|
|
|
# Add logo on imagedow
|
|
composite ${OPTIONS} -gravity SouthEast "${LOGO}" "${DEST}/${filename}.png" "${DEST}/${filename}.png"
|
|
fi
|
|
fi
|
|
done
|