2 # Copyright (C) 2022-2023 Sergey Matveev <stargrave@stargrave.org>
8 pagesize=${PAGESIZE:-100}
9 ordering=${ORDERING:-Om}
23 [[ -r ${1}-ec0.ppm ]] || return 0
24 mv ${1}-ec0.ppm $1.ppm
28 [[ -z $style ]] || style="<link rel=\"stylesheet\" type=\"text/css\" href=\"$style\">"
31 imgs=((*.jxl|*.webp~*.preview.webp)($ordering))
32 pages=$(( ${#imgs} / $pagesize ))
33 [[ $(( $pages * $pagesize )) -lt ${#imgs} ]] && pages=$(( $pages + 1 ))
35 for (( i=1 ; i <= ${#imgs} ; i++ )) {
39 local p=$(( ( $i / $pagesize ) + 1 ))
44 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
45 <meta name="generator" content="galgen $VERSION">
47 <title>Image ${i}/${#imgs}: $img</title>
48 <link href="1.page.html" rel="start" title="home">
49 <link href="${p}.page.html" rel="up" title="page">
52 echo "<link href=\"$(( $i - 1 )).img.html\" rel=\"prev\" title=\"previous\">" >> $dst
53 [[ $i -eq ${#imgs} ]] ||
54 echo "<link href=\"$(( $i + 1 )).img.html\" rel=\"next\" title=\"next\">" >> $dst
60 echo "<a href=\"$(( $i - 1 )).img.html\"><<<</a>" >> $dst
61 echo "<a href=\"${p}.page.html\">^^^</a>" >> $dst
62 [[ $i -eq ${#imgs} ]] ||
63 echo "<a href=\"$(( $i + 1 )).img.html\">>>></a>" >> $dst
64 echo "<hr/><img alt=\"$img\" src=\"$img\"/>" >> $dst
65 [[ -r ${img}.txt ]] && {
66 echo "<hr/><pre>" >> $dst
67 cat ${img}.txt >> $dst
70 [[ -r ${img}.html ]] && cat ${img}.html >> $dst
72 if [[ $img:e = jxl ]] ; then
74 jxlinfo $img > $img.info
77 echo "Alternative formats:" >> $dst
78 if grep -q "JPEG bitstream reconstruction" $img.info ; then
79 [[ -r $img.jpg ]] || {
81 touch -r $img $img.jpg
83 echo "<a href=\"$img.jpg\">JPEG</a>" >> $dst
85 [[ -r $img.png ]] || {
87 pamtopng < $img.ppm > $img.png
89 pngcrush -rem alla -rem allb -z 2 $img.png $img.png.png
90 mv $img.png.png $img.png
92 touch -r $img $img.png
94 echo "<a href=\"$img.png\">PNG</a>" >> $dst
97 [[ -r $img.preview.webp ]] || djxl2ppm $img
100 webpinfo $img >> $dst
101 echo "</pre>" >> $dst
102 [[ -r $img.preview.webp ]] || dwebp $img -ppm -o $img.ppm
105 exiftool -escapeHTML -htmlFormat -groupHeadings \
106 --${=${(j/ --/)exifTagsOmit}} $img >> $dst
107 [[ -r $img.ppm ]] && {
108 pnmscale -w 100 < $img.ppm > $img.ppm.ppm
109 mv $img.ppm.ppm $img.ppm
110 cwebp -pass 10 -alpha_filter best -m 6 -mt -o $img.preview.webp $img.ppm
112 touch -r $img $img.preview.webp
114 echo "</body></html>" >> $dst
118 for (( p=1 ; p <= $pages ; p++ )) {
119 local dst=$p.page.html
124 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
125 <meta name="generator" content="galgen $VERSION">
127 <title>Page ${p}/$pages</title>
128 <link href="1.page.html" rel="start" title="home">
131 echo "<link href=\"$(( $p - 1 )).page.html\" rel=\"prev\" title=\"previous\">" >> $dst
132 [[ $p -eq $pages ]] ||
133 echo "<link href=\"$(( $p + 1 )).page.html\" rel=\"next\" title=\"next\">" >> $dst
142 echo "</pre>" >> $dst
144 [[ -r .html ]] && cat .html >> $dst
147 echo "<a href=\"$(( $p - 1 )).page.html\"><<<</a>" >> $dst
148 [[ $p -eq $pages ]] ||
149 echo "<a href=\"$(( $p + 1 )).page.html\">>>></a>" >> $dst
150 echo "| <a href=\"1.page.html\">home</a>" >> $dst
151 echo "| <a href=\"${pages}.page.html\">end</a>" >> $dst
153 for (( i=1 ; i <= $pagesize ; i++ )) {
154 img=$(( ( $p - 1 ) * $pagesize + $i ))
155 [[ $img -le ${#imgs} ]] || break
156 echo "<a href=\"${img}.img.html\">" >> $dst
159 [[ -r ${imgs[$img]}.txt ]] && {
160 alt=`cat ${imgs[$img]}.txt`
161 title="title=\"$alt\""
163 echo "<img alt=\"$alt\" $title src=\"${imgs[$img]}.preview.webp\"/></a>" >> $dst
165 echo "</body></html>" >> $dst