2 # Copyright (C) 2022-2023 Sergey Matveev <stargrave@stargrave.org>
8 pagesize=${PAGESIZE:-100}
9 ordering=${ORDERING:-Om}
26 [[ -r ${1}-ec0.ppm ]] || return 0
27 mv ${1}-ec0.ppm $1.ppm
31 [[ -z $style ]] || style="<link rel=\"stylesheet\" type=\"text/css\" href=\"$style\">"
34 imgs=((*.jxl|*.webp~*.preview.webp)($ordering))
35 pages=$(( ${#imgs} / $pagesize ))
36 [[ $(( $pages * $pagesize )) -lt ${#imgs} ]] && pages=$(( $pages + 1 ))
39 trap "rm -f $tmp" HUP PIPE INT QUIT TERM EXIT
41 for (( i=1 ; i <= ${#imgs} ; i++ )) {
45 local p=$(( ( $i / $pagesize ) + 1 ))
50 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
51 <meta name="generator" content="galgen $VERSION">
53 <title>Image ${i}/${#imgs}: $img</title>
54 <link href="1.page.html" rel="start" title="home">
55 <link href="${p}.page.html" rel="up" title="page">
58 echo "<link href=\"$(( $i - 1 )).img.html\" rel=\"prev\" title=\"previous\">" >> $tmp
59 [[ $i -eq ${#imgs} ]] ||
60 echo "<link href=\"$(( $i + 1 )).img.html\" rel=\"next\" title=\"next\">" >> $tmp
66 echo "<a href=\"$(( $i - 1 )).img.html\"><<<</a>" >> $tmp
67 echo "<a href=\"${p}.page.html\">^^^</a>" >> $tmp
68 [[ $i -eq ${#imgs} ]] ||
69 echo "<a href=\"$(( $i + 1 )).img.html\">>>></a>" >> $tmp
70 echo "<hr/><img alt=\"$img\" src=\"$img\"/>" >> $tmp
71 [[ -r ${img}.txt ]] && {
72 echo "<hr/><pre>" >> $tmp
73 cat ${img}.txt >> $tmp
76 [[ -r ${img}.html ]] && cat ${img}.html >> $tmp
78 if [[ $img:e = jxl ]] ; then
80 jxlinfo $img > $img.info
83 echo "Alternative formats:" >> $tmp
84 if grep -q "JPEG bitstream reconstruction" $img.info ; then
85 [[ -r $img.jpg ]] || {
87 touch -r $img $img.jpg
89 echo "<a href=\"$img.jpg\">JPEG</a>" >> $tmp
91 [[ -r $img.png ]] || {
93 pamtopng < $img.ppm > $img.png
95 pngcrush -rem alla -rem allb -z 2 $img.png $img.png.png
96 mv $img.png.png $img.png
98 touch -r $img $img.png
100 echo "<a href=\"$img.png\">PNG</a>" >> $tmp
103 [[ -r $img.preview.webp ]] || djxl2ppm $img
106 webpinfo $img >> $tmp
107 echo "</pre>" >> $tmp
108 [[ -r $img.preview.webp ]] || dwebp $img -ppm -o $img.ppm
111 exiftool -escapeHTML -htmlFormat -groupHeadings \
112 --${=${(j/ --/)exifTagsOmit}} $img >> $tmp
113 [[ -r $img.ppm ]] && {
114 pnmscale -w 100 < $img.ppm > $img.ppm.ppm
115 mv $img.ppm.ppm $img.ppm
116 cwebp -pass 10 -alpha_filter best -m 6 -mt -o $img.preview.webp $img.ppm
118 touch -r $img $img.preview.webp
120 echo "</body></html>" >> $tmp
121 cmp -s $tmp $dst || {
127 for (( p=1 ; p <= $pages ; p++ )) {
128 local dst=$p.page.html
133 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
134 <meta name="generator" content="galgen $VERSION">
136 <title>Page ${p}/$pages</title>
137 <link href="1.page.html" rel="start" title="home">
140 echo "<link href=\"$(( $p - 1 )).page.html\" rel=\"prev\" title=\"previous\">" >> $tmp
141 [[ $p -eq $pages ]] ||
142 echo "<link href=\"$(( $p + 1 )).page.html\" rel=\"next\" title=\"next\">" >> $tmp
151 echo "</pre>" >> $tmp
153 [[ -r .html ]] && cat .html >> $tmp
156 echo "<a href=\"$(( $p - 1 )).page.html\"><<<</a>" >> $tmp
157 [[ $p -eq $pages ]] ||
158 echo "<a href=\"$(( $p + 1 )).page.html\">>>></a>" >> $tmp
159 echo "| <a href=\"1.page.html\">home</a>" >> $tmp
160 echo "| <a href=\"${pages}.page.html\">end</a>" >> $tmp
162 for (( i=1 ; i <= $pagesize ; i++ )) {
163 img=$(( ( $p - 1 ) * $pagesize + $i ))
164 [[ $img -le ${#imgs} ]] || break
165 echo "<a href=\"${img}.img.html\">" >> $tmp
168 [[ -r ${imgs[$img]}.txt ]] && {
169 alt=`cat ${imgs[$img]}.txt`
170 title="title=\"$alt\""
172 echo "<img alt=\"$alt\" $title src=\"${imgs[$img]}.preview.webp\"/></a>" >> $tmp
174 echo "</body></html>" >> $tmp
175 cmp -s $tmp $dst || {