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="1.1+arch"
  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="$link"><img src="icons/$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 div.navigation {
  94         margin: 0;
  95 }
  96
  97 div.navigation ul {
  98         display: inline;
  99         margin: 0;
 100         padding: 0;
 101         text-align: center;
 102 }
 103
 104 div.navigation ul li {
 105         display: inline;
 106         margin: 2em;
 107 }
 108
 109 a {
 110         border: 0px;
 111 }
 112
 113 img {
 114         border: 0px;
 115 }
 116 END
 117 }
 118
 119 declare -rf bpgallery_default_stylesheet
 120
 121 function bpgallery_default_page() {
 122         $BPGALLERY_HEAD_FUNCTION
 123
 124         linkstart=""
 125         linkend=""
 126
 127         if [[ ! -z $linklocation ]]; then
 128                 linkstart="<a href='$linklocation'>"
 129                 linkend="</a>"
 130         fi
 131
 132         cat <<END
 133 <h1>${caption}</h1>
 134 <div class="navigation">
 135         <ul>
 136                 <li><a href='${INDEXDOCUMENT}'>Thumbnails</a></li>
 137 END
 138         if [[ ! -z $previouspage ]]; then
 139                 echo "<li><a href='${previouspage}'>Previous</a></li>"
 140         else
 141                 echo "<li>Previous</li>"
 142         fi
 143
 144         if [[ ! -z $nextpage ]]; then
 145                 echo "<li><a href='${nextpage}'>Next</a></li>"
 146         else
 147                 echo "<li>Next</li>"
 148         fi
 149 cat <<END
 150         </ul>
 151 </div>
 152 <div class="mainimage">
 153         ${linkstart}<img src="${filename}" alt="${caption}" />${linkend}
 154 </div>
 155 END
 156         $BPGALLERY_TAIL_FUNCTION
 157 }
 158
 159 declare -rf bpgallery_default_page
 160
 161 function bpgallery_escape_url() {
 162         temp=$1
 163         temp=${temp//\%/%25}
 164         temp=${temp//:/%3A}
 165         temp=${temp//;/%3B}
 166         temp=${temp// /%20}
 167         temp=${temp//$/%24}
 168         temp=${temp//&/%26}
 169         temp=${temp//+/%2B}
 170         temp=${temp//,/%2C}
 171         temp=${temp//\//%2F}
 172         temp=${temp//=/%3D}
 173         temp=${temp//\?/%3F}
 174         temp=${temp//@/%40}
 175         temp=${temp//\"/%22}
 176         $ECHOCOMMAND $temp
 177 }
 178
 179 declare -rf bpgallery_escape_url
 180
 181 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 182         declare -r BPGALLERY_THEME
 183 fi
 184
 185 if [[ ! -z ${TITLE} ]] ; then
 186         declare -r TITLE
 187 fi
 188
 189 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 190         . /usr/local/etc/bpgallery/config 2>/dev/null
 191 fi
 192
 193 if [[ -e /etc/bpgallery/config ]] ; then
 194         . /etc/bpgallery/config 2>/dev/null
 195 fi
 196
 197 if [[ -e $HOME/.bpgallery.rc ]]; then
 198         . $HOME/.bpgallery.rc 2>/dev/null
 199 fi
 200
 201 if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
 202         . $1/.bpgallery.rc 2>/dev/null
 203 fi
 204
 205 if [[ -z ${BPGALLERY_THEME} ]]; then
 206         BPGALLERY_THEME=default
 207 fi
 208
 209 if [[ ! -z ${BPGALLERY_THEME_DIR} ]] && \
 210         [[ -e ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} ]]; then
 211         . ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} 2>/dev/null
 212 elif [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 213         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 214 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 215         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 216 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 217         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 218 fi
 219
 220 if [[ -z $TITLE ]]; then
 221         TITLE="Photo Gallery"
 222 fi
 223
 224 if [[ -z $CONVERTTOOL ]]; then
 225         CONVERTTOOL=convert
 226 fi
 227
 228 if [[ -z $FINDCOMMAND ]]; then
 229         FINDCOMMAND=find
 230 fi
 231
 232 if [[ -z $XARGSCOMMAND ]]; then
 233         XARGSCOMMAND=xargs
 234 fi
 235
 236 if [[ -z $ECHOCOMMAND ]]; then
 237         ECHOCOMMAND=echo
 238 fi
 239
 240 if [[ -z $SORTCOMMAND ]]; then
 241         SORTCOMMAND=sort
 242 fi
 243
 244 if [[ -z $IDENTIFYCOMMAND ]]; then
 245         IDENTIFYCOMMAND=identify
 246 fi
 247
 248 if [[ -z $HEADCOMMAND ]]; then
 249         HEADCOMMAND=head
 250 fi
 251
 252 if [[ -z $GREPCOMMAND ]]; then
 253         GREPCOMMAND=grep
 254 fi
 255
 256 if [[ -z $SEDCOMMAND ]]; then
 257         SEDCOMMAND=sed
 258 fi
 259
 260 if [[ -z $WIDTH ]]; then
 261         WIDTH=100
 262 fi
 263
 264 if [[ -z $IMAGEEXTENSIONS ]]; then
 265         IMAGEEXTENSIONS="jpeg jpg gif png";
 266 fi
 267
 268 if [[ -z $WCCOMMAND ]]; then
 269         WCCOMMAND="wc -l"
 270 fi
 271
 272 if [[ -z $CAPTIONHEIGHT ]]; then
 273         CAPTIONHEIGHT=75
 274 fi
 275
 276 if [[ -z $OUTPUTHTML ]]; then
 277         OUTPUTHTML=0
 278 fi
 279
 280 if [[ -z $GENERATEPAGESFORFULLSIZE ]]; then
 281         GENERATEPAGESFORFULLSIZE=0
 282 fi
 283
 284 if [[ -z $GENERATEPAGESFORMEDIUMSIZE ]]; then
 285         GENERATEPAGESFORMEDIUMSIZE=1
 286 fi
 287
 288 if [[ -z $MEDIUMWIDTH ]]; then
 289         MEDIUMWIDTH=400
 290 fi
 291
 292 if [[ -z $INDEXDOCUMENT ]]; then
 293         INDEXDOCUMENT=index.html
 294 fi
 295
 296 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 297         if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
 298                 BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
 299         else
 300                 BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
 301         fi
 302 fi
 303
 304 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 305         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 306 else
 307         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 308 fi
 309
 310 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 311         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 312 else
 313         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 314 fi
 315
 316 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 317         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 318 else
 319         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 320 fi
 321
 322 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 323         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 324 else
 325         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 326 fi
 327
 328 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 329         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 330 else
 331         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 332 fi
 333
 334 FINDIMAGESOPTIONS=""
 335
 336 for imageext in $IMAGEEXTENSIONS; do
 337         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 338 done
 339
 340 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 341 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 342
 343 function usage() {
 344 cat <<END
 345 Usage:
 346   $0 [--help|--version|<path to images>]
 347
 348     --help
 349         displays this help screen
 350     --version
 351         displays the version and exits
 352
 353 END
 354 }
 355
 356 function version() {
 357 cat <<END
 358 Version: $VERSION
 359 END
 360 }
 361
 362 function generate_resized_images() {
 363         $ECHOCOMMAND "Generating $2"
 364         currentimage=0
 365         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
 366         imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "$2/$filename" ] || [ "$filename" -nt "$2/$filename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
 367
 368         if [ $totalimages -eq $imagestoupdate ]; then
 369                 $ECHOCOMMAND "Regenerating all $2"
 370         elif [ $imagestoupdate -eq 0 ]; then
 371                 $ECHOCOMMAND "No Updated $2, not regenerating"
 372                 return
 373         else
 374                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 375         fi
 376
 377         $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "$2/$tempfilename" ] || [ "$tempfilename" -nt "$2/$tempfilename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
 378         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 379         $ECHOCOMMAND "Completed generating $2 for $totalimages images"
 380 }
 381
 382 function generate_thumbs() {
 383         if [ ! -d icons ]; then
 384                 mkdir icons
 385         fi
 386
 387         if [ ! -w icons ]; then
 388                 $ECHOCOMMAND "Can't write to icons directory, exiting"
 389                 exit 16
 390         fi
 391
 392         generate_resized_images $WIDTH icons
 393 }
 394
 395 function generate_medium() {
 396         if [ ! -d medium ]; then
 397                 mkdir medium
 398         fi
 399
 400         if [ ! -w medium ]; then
 401                 $ECHOCOMMAND "Can't write to medium directory, exiting"
 402                 exit 32
 403         fi
 404
 405         generate_resized_images $MEDIUMWIDTH medium
 406 }
 407
 408 function generate_pages() {
 409         $ECHOCOMMAND "Generating Pages"
 410         previouspage=""
 411         currentpage=""
 412         nextpage=""
 413         previousimage=""
 414         currentimage=""
 415         nextimage=""
 416         extra=""
 417         extradir=""
 418         addlinks=0
 419
 420         if [ ! -z $1 ]; then
 421                 extra=$1
 422         fi
 423
 424         if [ ! -z $2 ]; then
 425                 extradir=$2/
 426                 addlinks=1
 427         fi
 428
 429         if [ -z $1 ] && [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
 430                 addlinks=2
 431         fi
 432
 433         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 434         $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 435         $SORTCOMMAND -g | \
 436         while read imagefilename; do
 437                 previousimage=$currentimage
 438                 currentimage=$nextimage
 439                 nextimage=${imagefilename#./}
 440                 addlink=""
 441
 442                 if [[ $addlinks == 1 ]]; then
 443                         if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 444                                 addlink=${currentimage}.html
 445                         else
 446                                 addlink=${currentimage}
 447                         fi
 448                 fi
 449
 450                 if [[ $addlinks == 2 ]]; then
 451                         addlink=${currentimage}__medium.html
 452                 fi
 453
 454                 previouspage=$currentpage
 455                 currentpage=$nextpage
 456                 nextpage=${imagefilename}${extra}.html
 457                 filename=${extradir}${currentimage}
 458                 generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
 459                 echo $nextimage
 460         done | tail -n 2 | (
 461                 read previouspage
 462                 read currentpage
 463                 addlink=""
 464
 465                 if [[ $addlinks == 1 ]]; then
 466                         if [[ $GENERATEPAGESFORFULLSIZE ]]; then
 467                                 addlink=${currentpage}.html
 468                         else
 469                                 addlink=${currentpage}
 470                         fi
 471                 fi
 472
 473                 if [[ $addlinks == 2 ]]; then
 474                         addlink=${nextimage}__medium.html
 475                 fi
 476
 477                 filename=${extradir}${currentpage}
 478                 currentpage=${currentpage}${extra}.html
 479                 previouspage=${previouspage}${extra}.html
 480                 nextpage=""
 481                 generate_general_page "$previouspage" "$currentpage" "" $addlink
 482         )
 483 }
 484
 485 function generate_medium_pages() {
 486         generate_pages __medium medium
 487 }
 488
 489 function generate_general_page() {
 490
 491         if [[ -z $1 ]]; then
 492                 previouspage=""
 493         fi
 494
 495         if [[ -z $2 ]]; then
 496                 currentpage=""
 497                 return
 498         fi
 499
 500         if [[ -z $3 ]]; then
 501                 nextpage=""
 502         fi
 503
 504         if [[ ! -z $4 ]]; then
 505                 linklocation=$4
 506         fi
 507
 508         if [ -r captions.txt ]; then
 509                 caption=$($GREPCOMMAND -E "^${filename}   " captions.txt); caption=${caption#*    }
 510         else
 511                 caption=""
 512         fi
 513
 514         $BPGALLERY_PAGE_FUNCTION > "$currentpage"
 515 }
 516
 517 if [[ $OUTPUTHTML != 0 ]]; then
 518         $ECHOCOMMAND "<pre>"
 519 fi
 520
 521 if [[ -z $1 ]]; then
 522         $ECHOCOMMAND "No path given"
 523         usage
 524         exit 1
 525 fi
 526
 527 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 528         usage
 529         exit 0
 530 fi
 531
 532 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 533         version
 534         exit 0
 535 fi
 536
 537 if [[ ! -d $1 ]]; then
 538         $ECHOCOMMAND "$1 is not a directory"
 539         usage
 540         exit 2
 541 fi
 542
 543 cd "$1"
 544
 545 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 546         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 547         exit 4
 548 fi
 549
 550 if [ ! -w . ]; then
 551         $ECHOCOMMAND "Can't write to images directory, exiting"
 552         exit 8
 553 fi
 554
 555 if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
 556         $ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
 557         exit 8
 558 fi
 559
 560 if [ -e style.css ] && [ ! -w style.css ]; then
 561         $ECHOCOMMAND "Can't write style.css, exiting"
 562         exit 8
 563 fi
 564
 565 generate_thumbs
 566
 567 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 568         generate_medium
 569         generate_medium_pages
 570 fi
 571
 572 if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
 573         generate_pages
 574 fi
 575
 576 if [ -r description.txt ] ; then
 577         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 578 else
 579         DESCRIPTION=""
 580 fi
 581
 582
 583 $ECHOCOMMAND "Starting to generate page"
 584
 585 $BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
 586 $BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 587
 588 $ECHOCOMMAND "Adding Captions"
 589
 590 extra=""
 591 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 592         extra=__medium
 593 fi
 594
 595 $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} |$SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename       " captions.txt); caption=${caption#*    }; else caption=""; fi; if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then link=$(bpgallery_escape_url "${filename}${extra}.html"); else link=$(bpgallery_escape_url "$filename"); fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> ${INDEXDOCUMENT}
 596
 597 $BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
 598
 599 $ECHOCOMMAND "Finished generating the page"
 600 $ECHOCOMMAND "Generating stylesheet"
 601 cd icons
 602
 603 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 604 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 605
 606 cd ..
 607
 608 # add a bit to the maxheight for the size of the caption
 609 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 610
 611 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 612
 613 $ECHOCOMMAND "All done"
 614
 615 if [[ $OUTPUTHTML != 0 ]]; then
 616         $ECHOCOMMAND "</pre>"
 617 fi