bpgallery.sh

   1 #!/usr/bin/env bash
   2
   3 # bpgallery.sh - builds a simple 'gallery' from a collection of images
   4 # Copyright (C) 2004 Brett Parker <iDunno@sommitrealweird.co.uk>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20 set -f
  21
  22 VERSION="1.0.0"
  23
  24 function bpgallery_default_head() {
  25 cat <<END
  26 <?xml version="1.0"?>
  27 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "xhtml11.dtd">
  28 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
  29 <head>
  30         <title>${TITLE}</title>
  31         <link rel="stylesheet" href="style.css" type="text/css" />
  32 </head>
  33 <body>
  34 END
  35 }
  36
  37 declare -rf bpgallery_default_head
  38
  39 function bpgallery_default_description() {
  40 cat <<END
  41         <h1>${TITLE}</h1>
  42         ${DESCRIPTION}
  43 END
  44 }
  45
  46 declare -rf bpgallery_default_description
  47
  48 function bpgallery_default_thumbsline() {
  49 cat << END
  50 <div class="thumbnail"><a href="$filename"><img src="icons/$filename" /></a><div class="caption">$caption</div></div>
  51 END
  52 }
  53
  54 declare -rf bpgallery_default_thumbsline
  55
  56 function bpgallery_default_tail() {
  57 cat << END
  58 </body>
  59 </html>
  60 END
  61 }
  62
  63 declare -rf bpgallery_default_tail
  64
  65 function bpgallery_default_stylesheet() {
  66 cat <<END
  67 body {
  68         background: white;
  69         color: black;
  70         font-family: sans-serif;
  71         font-size: 10pt;
  72 }
  73
  74 div.thumbnail {
  75         float: left;
  76         padding: 20px;
  77         border: 0px;
  78         width: ${WIDTH}px;
  79         height: ${MAXHEIGHT}px;
  80 }
  81
  82 div.caption {
  83         width: 100%;
  84         text-align: center;
  85         font-weight: bold;
  86 }
  87
  88 a {
  89         border: 0px;
  90 }
  91
  92 img {
  93         border: 0px;
  94 }
  95 END
  96 }
  97
  98 declare -rf bpgallery_default_stylesheet
  99
 100 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 101         declare -r BPGALLERY_THEME
 102 fi
 103
 104 if [[ ! -z ${TITLE} ]] ; then
 105         declare -r TITLE
 106 fi
 107
 108 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 109         . /usr/local/etc/bpgallery/config 2>/dev/null
 110 fi
 111
 112 if [[ -e /etc/bpgallery/config ]] ; then
 113         . /etc/bpgallery/config 2>/dev/null
 114 fi
 115
 116 if [[ -e $HOME/.bpgallery.rc ]]; then
 117         . $HOME/.bpgallery.rc 2>/dev/null
 118 fi
 119
 120 if [[ -z ${BPGALLERY_THEME} ]]; then
 121         BPGALLERY_THEME=default
 122 fi
 123
 124 if [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 125         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 126 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 127         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 128 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 129         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 130 fi
 131
 132 if [[ -z $TITLE ]]; then
 133         TITLE="Photo Gallery"
 134 fi
 135
 136 if [[ -z $CONVERTTOOL ]]; then
 137         CONVERTTOOL=convert
 138 fi
 139
 140 if [[ -z $FINDCOMMAND ]]; then
 141         FINDCOMMAND=find
 142 fi
 143
 144 if [[ -z $XARGSCOMMAND ]]; then
 145         XARGSCOMMAND=xargs
 146 fi
 147
 148 if [[ -z $ECHOCOMMAND ]]; then
 149         ECHOCOMMAND=echo
 150 fi
 151
 152 if [[ -z $SORTCOMMAND ]]; then
 153         SORTCOMMAND=sort
 154 fi
 155
 156 if [[ -z $IDENTIFYCOMMAND ]]; then
 157         IDENTIFYCOMMAND=identify
 158 fi
 159
 160 if [[ -z $HEADCOMMAND ]]; then
 161         HEADCOMMAND=head
 162 fi
 163
 164 if [[ -z $GREPCOMMAND ]]; then
 165         GREPCOMMAND=grep
 166 fi
 167
 168 if [[ -z $SEDCOMMAND ]]; then
 169         SEDCOMMAND=sed
 170 fi
 171
 172 if [[ -z $WIDTH ]]; then
 173         WIDTH=100
 174 fi
 175
 176 if [[ -z $IMAGEEXTENSIONS ]]; then
 177         IMAGEEXTENSIONS="jpeg jpg gif png";
 178 fi
 179
 180 if [[ -z $WCCOMMAND ]]; then
 181         WCCOMMAND="wc -l"
 182 fi
 183
 184 if [[ -z $CAPTIONHEIGHT ]]; then
 185         CAPTIONHEIGHT=75
 186 fi
 187
 188 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 189         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 190 else
 191         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 192 fi
 193
 194 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 195         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 196 else
 197         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 198 fi
 199
 200 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 201         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 202 else
 203         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 204 fi
 205
 206 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 207         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 208 else
 209         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 210 fi
 211
 212 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 213         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 214 else
 215         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 216 fi
 217
 218 FINDIMAGESOPTIONS=""
 219
 220 for imageext in $IMAGEEXTENSIONS; do
 221         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -maxdepth 1 -iname '*.$imageext' -print0'
 222 done
 223
 224 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 225
 226 function usage() {
 227 cat <<END
 228 Usage:
 229   $0 [--help|--version|<path to images>]
 230
 231     --help
 232         displays this help screen
 233     --version
 234         displays the version and exits
 235
 236 END
 237 }
 238
 239 function version() {
 240 cat <<END
 241 Version: $VERSION
 242 END
 243 }
 244
 245 if [[ -z $1 ]]; then
 246         echo "No path given"
 247         usage
 248         exit 1
 249 fi
 250
 251 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 252         usage
 253         exit 0
 254 fi
 255
 256 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 257         version
 258         exit 0
 259 fi
 260
 261 if [[ ! -d $1 ]]; then
 262         echo "$1 is not a directory"
 263         usage
 264         exit 2
 265 fi
 266
 267 cd "$1"
 268
 269 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 270         echo "$1 does not contain any images. Quitting."
 271         exit 4
 272 fi
 273
 274 if [ ! -d icons ]; then
 275         mkdir icons
 276
 277         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace echo {} | $WCCOMMAND);
 278         currentimage=0
 279
 280         $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$totalimages images; currentimage=$((currentimage+1)); done
 281
 282         echo done: $totalimages/$totalimages images
 283 else
 284         echo "$1 already contains an icons folder, updating."
 285
 286         imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do if [ ! -r "icons/$filename" ] || [ "$filename" -nt "icons/$filename" ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
 287
 288         echo "images to update: $imagestoupdate"
 289
 290
 291         currentimage=0
 292
 293         $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do if [ ! -r "icons/$filename" ] || [ "$filename" -nt "icons/$filename" ] ; then $ECHOCOMMAND $filename; fi; done | $XARGSCOMMAND --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
 294         echo done: $imagestoupdate/$imagestoupdate images
 295 fi
 296
 297 if [ -r description.txt ] ; then
 298         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 299 else
 300         DESCRIPTION=""
 301 fi
 302
 303
 304 $BPGALLERY_HEAD_FUNCTION > index.html
 305 $BPGALLERY_DESCRIPTION_FUNCTION >> index.html
 306
 307 $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} |$SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename   " captions.txt); caption=${caption#*    }; else caption=""; fi; $BPGALLERY_THUMBSLINE_FUNCTION; done >> index.html
 308
 309 $BPGALLERY_TAIL_FUNCTION >> index.html
 310
 311 cd icons
 312
 313 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 314 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 315
 316 cd ..
 317
 318 # add a bit to the maxheight for the size of the caption
 319 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 320
 321 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 322