#!/usr/bin/env zsh
# Copyright (C) 2022-2023 Sergey Matveev <stargrave@stargrave.org>
-VERSION=0.5.0
+VERSION=0.7.0
set -e
local tmp=`mktemp`
trap "rm -f $tmp" HUP PIPE INT QUIT TERM EXIT
-jpgs=()
-pngs=()
pams=()
-for img ($imgs) {
- [[ -r .info/$img.img ]]
- [[ -r alt/$img.jpg ]] || [[ -r alt/$img.png ]] && : || {
- grep -q "JPEG bitstream reconstruction" .info/$img.img &&
- jpgs=($jpgs $img) || pngs=($pngs $img)
+djxl2pam="( djxl --quiet {} ppm:- || djxl --quiet {} pgm:- )"
+if [[ -n "$NOALT" ]] ; then
+ for img ($imgs) {
+ [[ -r preview/$img.webp ]] || pams=($pams $img)
+ }
+else
+ jpgs=()
+ pngs=()
+ for img ($imgs) {
+ [[ -r .info/$img.img ]]
+ [[ -r alt/$img.jpg ]] || [[ -r alt/$img.png ]] && : || {
+ grep -q "JPEG bitstream reconstruction" .info/$img.img &&
+ jpgs=($jpgs $img) || pngs=($pngs $img)
+ }
+ [[ -r preview/$img.webp ]] || pams=($pams $img)
}
- [[ -r preview/$img.webp ]] || pams=($pams $img)
-}
-[[ ${#jpgs} == 0 ]] || {
- echo JPEG reconstruction... >&2
- parallel "djxl --quiet {} alt/{}.jpg && touch -r {} alt/{}.jpg" ::: $jpgs
-}
-jpgs=()
+ [[ ${#jpgs} == 0 ]] || {
+ echo JPEG reconstruction... >&2
+ parallel "djxl --quiet {} alt/{}.jpg && touch -r {} alt/{}.jpg" ::: $jpgs
+ }
+ jpgs=()
-djxl2pam="( djxl --quiet {} ppm:- || djxl --quiet {} pgm:- )"
-[[ ${#pngs} == 0 ]] || {
- echo PNG generation... >&2
- parallel "$djxl2pam | pamtopng > {}.png" ::: $pngs
- parallel "pngcrush -warn -rem alla -rem allb -z 2 {}.png alt/{}.png && rm {}.png" ::: $pngs
- parallel "advpng --quiet --recompress -4 alt/{}.png && touch -r {} alt/{}.png" ::: $pngs
-}
-pngs=()
+ [[ ${#pngs} == 0 ]] || {
+ echo PNG generation... >&2
+ parallel "$djxl2pam | pamtopng > {}.png" ::: $pngs
+ parallel "pngcrush -warn -rem alla -rem allb -z 2 {}.png alt/{}.png && rm {}.png" ::: $pngs
+ parallel "advpng --quiet --recompress -4 alt/{}.png && touch -r {} alt/{}.png" ::: $pngs
+ }
+ pngs=()
+fi
mkpreview="pnmscale -w 100"
mkpreview="$mkpreview | cwebp -quiet -pass 10 -alpha_filter best -m 6 -o preview/{}.webp -- -"
echo "<pre>" >> $tmp
cat .info/$img.img >> $tmp
echo "</pre>" >> $tmp
- if [[ $img:e = jxl ]] ; then
- echo "Alternative formats:" >> $tmp
- [[ -r alt/$img.jpg ]] && {
- echo "<a href=\"alt/$img.jpg\">JPEG</a>" >> $tmp
- } || {
- echo "<a href=\"$img.png\">PNG</a>" >> $tmp
- }
- fi
- echo "<hr/>" >> $tmp
+ [[ -n "$NOALT" ]] || {
+ if [[ $img:e = jxl ]] ; then
+ echo "Alternative formats:" >> $tmp
+ [[ -r alt/$img.jpg ]] && {
+ echo "<a href=\"alt/$img.jpg\">JPEG</a>" >> $tmp
+ } || {
+ echo "<a href=\"$img.png\">PNG</a>" >> $tmp
+ }
+ fi
+ echo "<hr/>" >> $tmp
+ }
[[ -r .info/$img.exif ]]
cat .info/$img.exif >> $tmp
echo "</body></html>" >> $tmp