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September 29, 2021 13:57
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Convert, resize and paint images from JPG to PNG using imagemagick
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#!/bin/bash | |
set -e | |
if [ "$1" == "" ] || [ ! -d "$1" ]; then | |
echo "Invalid Path $1" | |
exit 1 | |
fi | |
LC_NUMERIC="en_US.UTF-8" | |
function timerelative { | |
local T=$(printf "%.0f" $1) | |
local D=$(( $T / 60 / 60 / 24 )) | |
local H=$(( $T / 60 / 60 % 24 )) | |
local M=$(( $T / 60 % 60 )) | |
local S=$(( $T % 60 )) | |
printf '%02dd %02dh %02dm %02ds' "$D" "$H" "$M" "$S" | |
} | |
function progress { | |
COUNT=$(( $COUNT + 1 )) | |
local NOW=$(date +%s.%3N) | |
local TIME=$(echo "$NOW - $START" | bc -l) | |
local AVG=$(echo "$TIME / $COUNT" | bc -l) | |
local MAX=$(echo "$AVG * $TOTAL" | bc -l) | |
local FINISH=$(echo "$MAX - $TIME" | bc -l) | |
local CURRENT=$(echo "$NOW - $MICRO" | bc -l) | |
AVG=$(printf "%.2f" $AVG) | |
CURRENT=$(printf "%.2f" $CURRENT) | |
echo "" | |
echo -n "[$(date +"%F %T")] " | |
echo -n "[$(printf "%0${ZEROS}d" $COUNT) / $TOTAL] " | |
echo -n "[TOTAL $(timerelative $MAX)] " | |
echo -n "[ELAPSED $(timerelative $TIME)] " | |
echo -n "[FINISH $(timerelative $FINISH)] " | |
echo -n "[AVG ${AVG}s] " | |
echo -n "[CURRENT ${CURRENT}s] " | |
echo -n "$1" | |
MICRO=$NOW | |
} | |
cd $1 | |
TOTAL=0 | |
echo -e "\n[$(date +"%F %T")] Calculate Total over $(ls *.jpeg | wc -l) files" | |
for jpg in *.jpeg; do | |
png=$(echo $jpg | sed -e 's/jpeg/png/') | |
step1=$(echo $jpg | sed -e 's/\.jpeg/-large.png/') | |
step2=$(echo $jpg | sed -e 's/\.jpeg/-large-blur-1-paint-2.png/') | |
if [ ! -f $png ]; then | |
TOTAL=$(( $TOTAL + 1 )) | |
fi | |
if [ ! -f $step1 ]; then | |
TOTAL=$(( $TOTAL + 1 )) | |
fi | |
if [ ! -f $step2 ]; then | |
TOTAL=$(( $TOTAL + 1 )) | |
fi | |
done | |
echo -e "\n[$(date +"%F %T")] Start Processing $TOTAL files" | |
COUNT=0 | |
MICRO=0 | |
START=$(date +%s.%3N) | |
ZEROS=${#TOTAL} | |
for jpg in *.jpeg; do | |
if [ $COUNT == 0 ]; then | |
MICRO=$(date +%s.%3N) | |
fi | |
png=$(echo $jpg | sed -e 's/jpeg/png/') | |
step1=$(echo $jpg | sed -e 's/\.jpeg/-large.png/') | |
step2=$(echo $jpg | sed -e 's/\.jpeg/-large-blur-1-paint-2.png/') | |
if [ ! -f $png ]; then | |
convert $jpg $png | |
progress "[CONVERT] [FROM] $png [TO] $step1" | |
fi | |
if [ ! -f $step1 ]; then | |
convert $png -filter point -resize 200% -unsharp 0x3+0.5+0 -resize 200% -unsharp 0x3+0.5+0 -strip $step1 | |
progress "[RESIZE] [FROM] $png [TO] $step1" | |
fi | |
if [ ! -f $step2 ]; then | |
convert $step1 -blur 0x1 -paint 2 $step2 | |
progress "[PAINT] [FROM] $step1 [TO] $step2" | |
fi | |
done | |
echo -e "\n[$(date +"%F %T")] Finish" | |
eog *large*.png | |
exit 0 |
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