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="1.0.2"
  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 if [[ -z $caption ]]; then
  50         caption_alt=Unknown
  51 else
  52         caption_alt=$caption
  53 fi
  54 cat << END
  55 <div class="thumbnail"><a href="$filename"><img src="icons/$filename" alt="$caption_alt" /></a><div class="caption">$caption</div></div>
  56 END
  57 }
  58
  59 declare -rf bpgallery_default_thumbsline
  60
  61 function bpgallery_default_tail() {
  62 cat << END
  63 </body>
  64 </html>
  65 END
  66 }
  67
  68 declare -rf bpgallery_default_tail
  69
  70 function bpgallery_default_stylesheet() {
  71 cat <<END
  72 body {
  73         background: white;
  74         color: black;
  75         font-family: sans-serif;
  76         font-size: 10pt;
  77 }
  78
  79 div.thumbnail {
  80         float: left;
  81         padding: 20px;
  82         border: 0px;
  83         width: ${WIDTH}px;
  84         height: ${MAXHEIGHT}px;
  85 }
  86
  87 div.caption {
  88         width: 100%;
  89         text-align: center;
  90         font-weight: bold;
  91 }
  92
  93 a {
  94         border: 0px;
  95 }
  96
  97 img {
  98         border: 0px;
  99 }
 100 END
 101 }
 102
 103 declare -rf bpgallery_default_stylesheet
 104
 105 function bpgallery_escape_url() {
 106         temp=$1
 107         temp=${temp//\%/%25}
 108         temp=${temp//:/%3A}
 109         temp=${temp//;/%3B}
 110         temp=${temp// /%20}
 111         temp=${temp//$/%24}
 112         temp=${temp//&/%26}
 113         temp=${temp//+/%2B}
 114         temp=${temp//,/%2C}
 115         temp=${temp//\//%2F}
 116         temp=${temp//=/%3D}
 117         temp=${temp//\?/%3F}
 118         temp=${temp//@/%40}
 119         temp=${temp//\"/%22}
 120         $ECHOCOMMAND $temp
 121 }
 122
 123 declare -rf bpgallery_escape_url
 124
 125 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 126         declare -r BPGALLERY_THEME
 127 fi
 128
 129 if [[ ! -z ${TITLE} ]] ; then
 130         declare -r TITLE
 131 fi
 132
 133 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 134         . /usr/local/etc/bpgallery/config 2>/dev/null
 135 fi
 136
 137 if [[ -e /etc/bpgallery/config ]] ; then
 138         . /etc/bpgallery/config 2>/dev/null
 139 fi
 140
 141 if [[ -e $HOME/.bpgallery.rc ]]; then
 142         . $HOME/.bpgallery.rc 2>/dev/null
 143 fi
 144
 145 if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
 146         . $1/.bpgallery.rc 2>/dev/null
 147 fi
 148
 149 if [[ -z ${BPGALLERY_THEME} ]]; then
 150         BPGALLERY_THEME=default
 151 fi
 152
 153 if [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 154         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 155 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 156         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 157 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 158         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 159 fi
 160
 161 if [[ -z $TITLE ]]; then
 162         TITLE="Photo Gallery"
 163 fi
 164
 165 if [[ -z $CONVERTTOOL ]]; then
 166         CONVERTTOOL=convert
 167 fi
 168
 169 if [[ -z $FINDCOMMAND ]]; then
 170         FINDCOMMAND=find
 171 fi
 172
 173 if [[ -z $XARGSCOMMAND ]]; then
 174         XARGSCOMMAND=xargs
 175 fi
 176
 177 if [[ -z $ECHOCOMMAND ]]; then
 178         ECHOCOMMAND=echo
 179 fi
 180
 181 if [[ -z $SORTCOMMAND ]]; then
 182         SORTCOMMAND=sort
 183 fi
 184
 185 if [[ -z $IDENTIFYCOMMAND ]]; then
 186         IDENTIFYCOMMAND=identify
 187 fi
 188
 189 if [[ -z $HEADCOMMAND ]]; then
 190         HEADCOMMAND=head
 191 fi
 192
 193 if [[ -z $GREPCOMMAND ]]; then
 194         GREPCOMMAND=grep
 195 fi
 196
 197 if [[ -z $SEDCOMMAND ]]; then
 198         SEDCOMMAND=sed
 199 fi
 200
 201 if [[ -z $WIDTH ]]; then
 202         WIDTH=100
 203 fi
 204
 205 if [[ -z $IMAGEEXTENSIONS ]]; then
 206         IMAGEEXTENSIONS="jpeg jpg gif png";
 207 fi
 208
 209 if [[ -z $WCCOMMAND ]]; then
 210         WCCOMMAND="wc -l"
 211 fi
 212
 213 if [[ -z $CAPTIONHEIGHT ]]; then
 214         CAPTIONHEIGHT=75
 215 fi
 216
 217 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 218         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 219 else
 220         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 221 fi
 222
 223 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 224         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 225 else
 226         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 227 fi
 228
 229 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 230         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 231 else
 232         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 233 fi
 234
 235 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 236         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 237 else
 238         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 239 fi
 240
 241 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 242         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 243 else
 244         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 245 fi
 246
 247 FINDIMAGESOPTIONS=""
 248
 249 for imageext in $IMAGEEXTENSIONS; do
 250         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 251 done
 252
 253 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 254 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 255
 256 function usage() {
 257 cat <<END
 258 Usage:
 259   $0 [--help|--version|<path to images>]
 260
 261     --help
 262         displays this help screen
 263     --version
 264         displays the version and exits
 265
 266 END
 267 }
 268
 269 function version() {
 270 cat <<END
 271 Version: $VERSION
 272 END
 273 }
 274
 275 function generate_thumbs() {
 276         $ECHOCOMMAND "Generating Thumbnails"
 277         currentimage=0
 278         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | $WCCOMMAND);
 279         imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "icons/$filename" ] || [ "$filename" -nt "icons/$filename" ] || [ $($IDENTIFYCOMMAND -format "%w" "icons/$filename") -ne $WIDTH ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
 280
 281         if [ $totalimages -eq $imagestoupdate ]; then
 282                 $ECHOCOMMAND "Regenerating all thumbnails"
 283         elif [ $imagestoupdate -eq 0 ]; then
 284                 $ECHOCOMMAND "No Updated Thumbs, not regenerating"
 285                 return
 286         else
 287                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages thumbnails"
 288         fi
 289
 290         $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 --replace $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "icons/$tempfilename" ] || [ "$tempfilename" -nt "icons/$tempfilename" ] || [ $($IDENTIFYCOMMAND -format "%w" "icons/$filename") -ne $WIDTH ]; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 --replace $CONVERTTOOL -resize $WIDTH '{}' 'icons/{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
 291         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 292         $ECHOCOMMAND "Completed generating thumbs for $totalimages images"
 293 }
 294
 295 if [[ -z $1 ]]; then
 296         $ECHOCOMMAND "No path given"
 297         usage
 298         exit 1
 299 fi
 300
 301 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 302         usage
 303         exit 0
 304 fi
 305
 306 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 307         version
 308         exit 0
 309 fi
 310
 311 if [[ ! -d $1 ]]; then
 312         $ECHOCOMMAND "$1 is not a directory"
 313         usage
 314         exit 2
 315 fi
 316
 317 cd "$1"
 318
 319 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 320         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 321         exit 4
 322 fi
 323
 324 if [ ! -d icons ]; then
 325         mkdir icons
 326 fi
 327
 328 generate_thumbs
 329
 330 if [ -r description.txt ] ; then
 331         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 332 else
 333         DESCRIPTION=""
 334 fi
 335
 336
 337 $BPGALLERY_HEAD_FUNCTION > index.html
 338 $BPGALLERY_DESCRIPTION_FUNCTION >> index.html
 339
 340 $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=${caption#*    }; else caption=""; fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> index.html
 341
 342 $BPGALLERY_TAIL_FUNCTION >> index.html
 343
 344 cd icons
 345
 346 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 347 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 348
 349 cd ..
 350
 351 # add a bit to the maxheight for the size of the caption
 352 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 353
 354 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 355