bpgallery.sh

   1 #!/usr/bin/env bash
   2
   3 # bpgallery.sh - builds a simple 'gallery' from a collection of images
   4 # Copyright (C) 2004-2008 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, but
  12 # 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 along
  17 # with this program; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 set -f
  21
  22 VERSION="1.1.5"
  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>${TITLE}</title>
  31         <link rel="stylesheet" href="${BASEURL}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="$link"><img src="${ICONSDIRECTORY}/$filename" alt="$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: ${MAXWIDTH}px;
  84         height: ${MAXHEIGHT}px;
  85         text-align: center;
  86 }
  87
  88 div.caption {
  89         width: 100%;
  90         text-align: center;
  91         font-weight: bold;
  92 }
  93
  94 div.navigation {
  95         margin: 0;
  96 }
  97
  98 div.navigation ul {
  99         display: inline;
 100         margin: 0;
 101         padding: 0;
 102         text-align: center;
 103 }
 104
 105 div.navigation ul li {
 106         display: inline;
 107         margin: 2em;
 108 }
 109
 110 a {
 111         border: 0px;
 112 }
 113
 114 img {
 115         border: 0px;
 116 }
 117 END
 118 }
 119
 120 declare -rf bpgallery_default_stylesheet
 121
 122 function bpgallery_default_page() {
 123         $BPGALLERY_HEAD_FUNCTION
 124
 125         linkstart=""
 126         linkend=""
 127
 128         if [[ ! -z $linklocation ]]; then
 129                 linkstart="<a href='$linklocation'>"
 130                 linkend="</a>"
 131         fi
 132
 133         cat <<END
 134 <h1>${caption}</h1>
 135 <div class="navigation">
 136         <ul>
 137                 <li><a href='${BASEURL}${INDEXDOCUMENT}'>Thumbnails</a></li>
 138 END
 139         if [[ ! -z $previouspage ]]; then
 140                 $ECHOCOMMAND "<li><a href='${previouspage}'>Previous</a></li>"
 141         else
 142                 $ECHOCOMMAND "<li>Previous</li>"
 143         fi
 144
 145         if [[ ! -z $nextpage ]]; then
 146                 $ECHOCOMMAND "<li><a href='${nextpage}'>Next</a></li>"
 147         else
 148                 $ECHOCOMMAND "<li>Next</li>"
 149         fi
 150 cat <<END
 151         </ul>
 152 </div>
 153 <div class="mainimage">
 154         ${linkstart}<img src="${filename}" alt="${caption}" />${linkend}
 155 </div>
 156 END
 157         $BPGALLERY_TAIL_FUNCTION
 158 }
 159
 160 declare -rf bpgallery_default_page
 161
 162 function bpgallery_escape_url() {
 163         temp=$1
 164         temp=${temp//\%/%25}
 165         temp=${temp//:/%3A}
 166         temp=${temp//;/%3B}
 167         temp=${temp// /%20}
 168         temp=${temp//$/%24}
 169         temp=${temp//&/%26}
 170         temp=${temp//+/%2B}
 171         temp=${temp//,/%2C}
 172         temp=${temp//\//%2F}
 173         temp=${temp//=/%3D}
 174         temp=${temp//\?/%3F}
 175         temp=${temp//@/%40}
 176         temp=${temp//\"/%22}
 177         $ECHOCOMMAND $temp
 178 }
 179
 180 function bpgallery_cleanup_directory_name() {
 181         temp=$1
 182         temp=${temp//\%/_}
 183         temp=${temp//:/_}
 184         temp=${temp//;/_}
 185         temp=${temp// /_}
 186         temp=${temp//$/_}
 187         temp=${temp//&/_}
 188         temp=${temp//+/_}
 189         temp=${temp//,/_}
 190         temp=${temp//\//_}
 191         temp=${temp//=/_}
 192         temp=${temp//\?/_}
 193         temp=${temp//@/_}
 194         temp=${temp//\"/_}
 195         $ECHOCOMMAND $temp
 196 }
 197
 198 declare -rf bpgallery_escape_url
 199
 200 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 201         declare -r BPGALLERY_THEME
 202 fi
 203
 204 if [[ ! -z ${TITLE} ]] ; then
 205         declare -r TITLE
 206 fi
 207
 208 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 209         . /usr/local/etc/bpgallery/config 2>/dev/null
 210 fi
 211
 212 if [[ -e /etc/bpgallery/config ]] ; then
 213         . /etc/bpgallery/config 2>/dev/null
 214 fi
 215
 216 if [[ -e $HOME/.bpgallery.rc ]]; then
 217         . $HOME/.bpgallery.rc 2>/dev/null
 218 fi
 219
 220 if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
 221         . $1/.bpgallery.rc 2>/dev/null
 222 fi
 223
 224 if [[ -z ${BPGALLERY_THEME} ]]; then
 225         BPGALLERY_THEME=default
 226 fi
 227
 228 if [[ ! -z ${BPGALLERY_THEME_DIR} ]] && \
 229         [[ -e ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} ]]; then
 230         . ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} 2>/dev/null
 231 elif [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 232         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 233 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 234         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 235 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 236         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 237 fi
 238
 239 if [[ -z $TITLE ]]; then
 240         TITLE="Photo Gallery"
 241 fi
 242
 243 if [[ -z $CONVERTTOOL ]]; then
 244         hash convert
 245         if [[ $? != 0 ]]; then
 246                 echo "Can't find convert, exiting"
 247                 exit 3
 248         fi
 249         CONVERTTOOL=$(hash -t convert)
 250 else
 251         if [[ ! -x $CONVERTTOOL ]]; then
 252                 echo "Can't find convert at location $CONVERTTOOL, exiting"
 253                 exit 3
 254         fi
 255 fi
 256
 257 if [[ -z $FINDCOMMAND ]]; then
 258         hash find
 259         if [[ $? != 0 ]]; then
 260                 echo "Can't find find, exiting"
 261                 exit 3
 262         fi
 263         FINDCOMMAND=$(hash -t find)
 264 else
 265         if [[ ! -x $FINDCOMMAND ]]; then
 266                 echo "Can't find find at $FINDCOMMAND, exiting"
 267                 exit 3
 268         fi
 269 fi
 270
 271 if [[ -z $XARGSCOMMAND ]]; then
 272         hash xargs
 273         if [[ $? != 0 ]]; then
 274                 echo "Can't find xargs, exiting"
 275                 exit 3
 276         fi
 277         XARGSCOMMAND=$(hash -t xargs)
 278 else
 279         if [[ ! -x $XARGSCOMMAND ]]; then
 280                 echo "Can't find xargs at $XARGSCOMMAND, exiting"
 281                 exit 3
 282         fi
 283 fi
 284
 285 if [[ -z $ECHOCOMMAND ]]; then
 286         ECHOCOMMAND=echo
 287 else
 288         if [[ ! -x $ECHOCOMMAND ]]; then
 289                 echo "Can't find echo at $ECHOCOMMAND, exiting"
 290                 exit 3
 291         fi
 292 fi
 293
 294 if [[ -z $SORTCOMMAND ]]; then
 295         hash sort
 296         if [[ $? != 0 ]]; then
 297                 echo "Can't find sort, exiting"
 298                 exit 3
 299         fi
 300         SORTCOMMAND=$(hash -t sort)
 301 else
 302         if [[ ! -x $SORTCOMMAND ]]; then
 303                 echo "Can't find sort, exiting"
 304                 exit 3
 305         fi
 306 fi
 307
 308 if [[ -z $IDENTIFYCOMMAND ]]; then
 309         hash identify
 310         if [[ $? != 0 ]]; then
 311                 echo "Can't find indentify, exiting"
 312                 exit 3
 313         fi
 314         IDENTIFYCOMMAND=$(hash -t identify)
 315 else
 316         if [[ ! -x $IDENTIFYCOMMAND ]]; then
 317                 echo "Can't find identify at $IDENTIFYCOMMAND, exiting"
 318                 exit 3
 319         fi
 320 fi
 321
 322 if [[ -z $HEADCOMMAND ]]; then
 323         hash head
 324         if [[ $? != 0 ]]; then
 325                 echo "Can't find head, exiting"
 326                 exit 3
 327         fi
 328         HEADCOMMAND=$(hash -t head)
 329 else
 330         if [[ ! -x $HEADCOMMAND ]]; then
 331                 echo "Can't find head at $HEADCOMMAND, exiting"
 332                 exit 3
 333         fi
 334 fi
 335
 336 if [[ -z $GREPCOMMAND ]]; then
 337         hash grep
 338         if [[ $? != 0 ]]; then
 339                 echo "Can't find grep, exiting"
 340                 exit 3
 341         fi
 342         GREPCOMMAND=$(hash -t grep)
 343 else
 344         if [[ ! -x $GREPCOMMAND ]]; then
 345                 echo "Can't find grep at $GREPCOMMAND, exiting"
 346                 exit 3
 347         fi
 348 fi
 349
 350 if [[ -z $SEDCOMMAND ]]; then
 351         hash sed
 352         if [[ $? != 0 ]]; then
 353                 echo "Can't find sed, exiting"
 354                 exit 3
 355         fi
 356         SEDCOMMAND=$(hash -t sed)
 357 else
 358         if [[ ! -x $SEDCOMMAND ]]; then
 359                 echo "Can't find sed at $SEDCOMMAND, exiting"
 360                 exit 3
 361         fi
 362 fi
 363
 364 if [[ -z $WCCOMMAND ]]; then
 365         hash wc
 366         if [[ $? != 0 ]]; then
 367                 echo "Can't find wc, exiting"
 368                 exit 3
 369         fi
 370         WCCOMMAND=$(hash -t wc)
 371         WCCOMMAND="$WCCOMMAND -l"
 372 else
 373         if [[ ! -x $WCCOMMAND ]]; then
 374                 echo "Can't find wc at $WCCOMMAND, exiting"
 375                 exit 3
 376         fi
 377         WCCOMMAND="$WCCOMMAND -l"
 378 fi
 379
 380 if [[ -z $MAXTHREADS ]]; then
 381         # if there's more than 2G of memory, then do 4 threads, otherwise, just 1
 382         __total_memory=$(free -t -g | sed -ne '2 { s#Mem:[[:space:]]*\([0-9]*\)[[:space:]]*.*$#\1#; p; }')
 383         if [[ $__total_memory -ge 2 ]]; then
 384                 MAXTHREADS=4
 385         else
 386                 MAXTHREADS=1
 387         fi
 388 fi
 389
 390 if [[ -z $WIDTH ]]; then
 391         WIDTH=100
 392 fi
 393
 394 if [[ -z $IMAGEEXTENSIONS ]]; then
 395         IMAGEEXTENSIONS="jpeg jpg gif png";
 396 fi
 397
 398 if [[ -z $CAPTIONHEIGHT ]]; then
 399         CAPTIONHEIGHT=75
 400 fi
 401
 402 if [[ -z $OUTPUTHTML ]]; then
 403         OUTPUTHTML=0
 404 fi
 405
 406 if [[ -z $GENERATEPAGESFORFULLSIZE ]]; then
 407         GENERATEPAGESFORFULLSIZE=0
 408 fi
 409
 410 if [[ -z $GENERATEPAGESFORMEDIUMSIZE ]]; then
 411         GENERATEPAGESFORMEDIUMSIZE=1
 412 fi
 413
 414 if [[ -z $PAGESDIRECTORY ]]; then
 415         PAGESDIRECTORY=""
 416 else
 417         removetrailingslashes=${PAGESDIRECTORY%/}
 418         temp=$removetrailingslashes
 419         while [[ $removetrailingslashes != $temp ]]; do
 420                 temp=$removetrailingslashes
 421                 removetrailingslashes=${temp%/}
 422         done
 423         PAGESDIRECTORY=$(bpgallery_escape_url "${PAGESDIRECTORY}")
 424 fi
 425
 426 if [[ -z $MEDIUMWIDTH ]]; then
 427         MEDIUMWIDTH=400
 428 fi
 429
 430 if [[ -z $INDEXDOCUMENT ]]; then
 431         INDEXDOCUMENT=index.html
 432 fi
 433
 434 if [[ -z $MEDIUMDIRECTORY ]]; then
 435         MEDIUMDIRECTORY=medium
 436 else
 437         # Strip out anything that might be broken
 438         MEDIUMDIRECTORY=$(bpgallery_cleanup_directory_name "$MEDIUMDIRECTORY")
 439 fi
 440
 441 if [[ -z $ICONSDIRECTORY ]]; then
 442         ICONSDIRECTORY=icons
 443 else
 444         # Strip out anything that might be broken
 445         ICONSDIRECTORY=$(bpgallery_cleanup_directory_name "$ICONSDIRECTORY")
 446 fi
 447
 448 if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
 449         BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
 450 else
 451         BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
 452 fi
 453
 454 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 455         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 456 else
 457         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 458 fi
 459
 460 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 461         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 462 else
 463         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 464 fi
 465
 466 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 467         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 468 else
 469         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 470 fi
 471
 472 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 473         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 474 else
 475         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 476 fi
 477
 478 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 479         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 480 else
 481         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 482 fi
 483
 484 FINDIMAGESOPTIONS=""
 485
 486 for imageext in $IMAGEEXTENSIONS; do
 487         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 488 done
 489
 490 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 491 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 492
 493 function usage() {
 494 cat <<END
 495 Usage:
 496   $0 [--help|--version|<path to images>]
 497
 498     --help
 499         displays this help screen
 500     --version
 501         displays the version and exits
 502
 503 This can also takes some environment variables, these will use defaults if not
 504 set.
 505
 506         TITLE
 507             the title of the gallery
 508
 509         WIDTH
 510             the width to make the icons
 511
 512         HEIGHT
 513             the height to make the icons (sets up a bounding box with WIDTH)
 514
 515         MEDIUMWIDTH
 516             set the width of images in the medium size pages
 517
 518         MEDIUMHEIGHT
 519             the height to make images in the medium size pages (sets up a
 520             bounding box with MEDIUMWIDTH)
 521
 522         BPGALLERY_THEME
 523             set the theme to use (described below)
 524
 525         BPGALLERY_THEME_DIR
 526             set an extra location to look for themes
 527
 528         OUTPUTHTML
 529             sets the script output to be wrapped in a <pre> block
 530
 531         GENERATEPAGESFORMEDIUMSIZE
 532             generate medium sized images and pages
 533
 534         GENERATEPAGESFORFULLSIZE
 535             decide wether to generate pages for the full size images or not
 536
 537         INDEXDOCUMENT
 538             name of the index page (e.g. index.html)
 539
 540 Example:
 541         TITLE="My Funky Gallery" WIDTH=200 INDEXDOCUMENT="welcome.html" GENERATEPAGESFORFULLSIZE=1 GENERATEPAGESFORMEDIUMSIZE=1 MEDIUMWIDTH=400 $0 /path/to/image/folder
 542 END
 543 }
 544
 545 function version() {
 546 cat <<END
 547 Version: $VERSION
 548 END
 549 }
 550
 551 function check_dimensions() {
 552         wantedwidth=$1
 553         wantedheight=$2
 554         dir=$3
 555         filename=$4
 556         if [ ! -e "$dir/$filename" ]; then
 557                 echo 0
 558                 return
 559         fi
 560         iconwidth=$($IDENTIFYCOMMAND -format "%wx%h" "$dir/$filename")
 561         iconheight=${iconwidth//*x}
 562         iconwidth=${iconwidth//x*}
 563         # are the dimensions correctish?
 564         imagesizeright=1
 565         if [ ! -z $wantedheight ]; then
 566                 if [ $wantedwidth -ne $iconwidth ] && [ $wantedheight -ne $iconheight ]; then
 567                         imagesizeright=0
 568                 else
 569                         # make sure that both of the dimensions are smaller than they
 570                         # should be
 571                         if [ $iconwidth -gt $wantedwidth ] || [ $iconheight -gt $wantedheight ]; then
 572                                 imagesizeright=0
 573                         fi
 574                 fi
 575         else
 576                 if [ $wantedwidth -ne $iconwidth ]; then
 577                         imagesizeright=0
 578                 fi
 579         fi
 580         echo $imagesizeright
 581 }
 582
 583 function generate_resized_images() {
 584         $ECHOCOMMAND "Generating $2"
 585         width=$1
 586         height=${width//*x}
 587         if [ $width != $height ]; then
 588                 width=${width//x*}
 589         else
 590                 height=""
 591         fi
 592         currentimage=0
 593         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
 594         imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS |
 595                 $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} |
 596                 while read filename; do
 597                         filename=${filename//\"/\\\"}
 598                         imagesizeright=$(check_dimensions "$width" "$height" "$2" "$filename")
 599                         if [ ! -r "$2/$filename" ] ||
 600                                 [ "$filename" -nt "$2/$filename" ] ||
 601                                 [ $imagesizeright -ne 1 ]; then
 602                                 $ECHOCOMMAND $filename
 603                         fi
 604                 done |
 605                 $WCCOMMAND)
 606
 607         if [ $totalimages -eq 0 ]; then
 608                 # might as well exit at this point - there are no pictures
 609                 $ECHOCOMMAND "No images for the gallery - exiting."
 610                 exit 64
 611         else
 612                 # check if the directory exists and create it other wise
 613                 if [ ! -d $2 ]; then
 614                         mkdir $2
 615                 fi
 616
 617                 if [ ! -w $2 ]; then
 618                         $ECHOCOMMAND "Can't write to $2 directory, exiting"
 619                         exit 16
 620                 fi
 621         fi
 622
 623         if [ $totalimages -eq $imagestoupdate ]; then
 624                 $ECHOCOMMAND "Regenerating all $2"
 625         elif [ $imagestoupdate -eq 0 ]; then
 626                 $ECHOCOMMAND "No Updated $2, not regenerating"
 627                 return
 628         else
 629                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 630         fi
 631
 632         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 633                 $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 634                 while read filename; do
 635                         tempfilename=${filename//\"/\\\"/};
 636                         imagesizeright=$(check_dimensions "$width" "$height" "$2" "$filename")
 637                         if [ ! -r "$2/$tempfilename" ] \
 638                                 || [ "$tempfilename" -nt "$2/$tempfilename" ] \
 639                                 || [ $imagesizeright -ne 1 ]; then
 640                                         $ECHOCOMMAND -n $filename
 641                                         $ECHOCOMMAND -n -e "\000"
 642                         fi
 643                 done | \
 644                 $XARGSCOMMAND -0 --verbose --max-procs=$MAXTHREADS -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | \
 645                         while read throwout; do
 646                                 $ECHOCOMMAND done: $currentimage/$imagestoupdate images
 647                                 currentimage=$((currentimage+1))
 648                         done
 649         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 650         $ECHOCOMMAND "Completed generating $2 for $totalimages images"
 651 }
 652
 653 function generate_thumbs() {
 654         if [ ! -z $HEIGHT ]; then
 655                 generate_resized_images "${WIDTH}x${HEIGHT}" $ICONSDIRECTORY
 656         else
 657         generate_resized_images $WIDTH $ICONSDIRECTORY
 658         fi
 659 }
 660
 661 function generate_medium() {
 662         if [ ! -z $MEDIUMHEIGHT ]; then
 663                 generate_resized_images "${MEDIUMWIDTH}x${MEDIUMHEIGHT}" $MEDIUMDIRECTORY
 664         else
 665                 generate_resized_images $MEDIUMWIDTH $MEDIUMDIRECTORY
 666         fi
 667 }
 668
 669 function generate_pages() {
 670         $ECHOCOMMAND "Generating Pages"
 671         previouspage=""
 672         currentpage=""
 673         nextpage=""
 674         previousimage=""
 675         currentimage=""
 676         nextimage=""
 677         extra=""
 678         extradir=""
 679         addlinks=0
 680
 681         if [ ! -z $1 ]; then
 682                 extra=$1
 683         fi
 684
 685         if [ ! -z $2 ]; then
 686                 extradir=$2/
 687                 addlinks=1
 688         fi
 689
 690         if [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
 691                 addlinks=2
 692         fi
 693
 694         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 695         $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 696         $SORTCOMMAND -g | \
 697         while read imagefilename; do
 698                 previousimage=$currentimage
 699                 currentimage=$nextimage
 700                 nextimage=${imagefilename#./}
 701                 addlink=""
 702
 703                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 704                         if [[ $addlinks == 1 ]]; then
 705                                 addlink=${currentimage}.html
 706                         else
 707                                 addlink=${currentimage}${extra}.html
 708                         fi
 709                 else
 710                         addlink=${currentimage}
 711                 fi
 712
 713                 previouspage=$currentpage
 714                 currentpage=$nextpage
 715                 if [[ $addlinks == 1 ]]; then
 716                         nextpage=${nextimage}${extra}.html
 717                 else
 718                         nextpage=${nextimage}.html
 719                 fi
 720
 721                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 722                         filename=../${extradir}${currentimage}
 723                 else
 724                         filename=${extradir}${currentimage}
 725                 fi
 726                 if [ "x$currentpage" != "x" ]; then
 727                         generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
 728                 fi
 729                 $ECHOCOMMAND $nextimage
 730         done | tail -n 2 | (
 731                 read previouspage
 732                 read currentpage
 733                 addlink=""
 734
 735                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 736                         if [[ $addlinks == 1 ]]; then
 737                                 addlink=${currentpage}.html
 738                         else
 739                                 addlink=${currentpage}${extra}.html
 740                         fi
 741                 else
 742                         addlink=${currentpage}
 743                 fi
 744
 745                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 746                         filename=../${extradir}${currentpage}
 747                 else
 748                         filename=${extradir}${currentpage}
 749                 fi
 750                 if [[ $addlinks == 1 ]]; then
 751                         currentpage=${currentpage}${extra}.html
 752                         previouspage=${previouspage}${extra}.html
 753                 else
 754                         currentpage=${currentpage}.html
 755                         previouspage=${previouspage}.html
 756                 fi
 757                 nextpage=""
 758                 generate_general_page "$previouspage" "$currentpage" "" $addlink
 759         )
 760 }
 761
 762 function generate_medium_pages() {
 763         generate_pages __${MEDIUMDIRECTORY} ${MEDIUMDIRECTORY}
 764 }
 765
 766 function generate_general_page() {
 767
 768         if [[ -z $1 ]]; then
 769                 previouspage=""
 770         fi
 771
 772         if [[ -z $2 ]]; then
 773                 currentpage=""
 774                 return
 775         fi
 776
 777         if [[ -z $3 ]]; then
 778                 nextpage=""
 779         fi
 780
 781         if [[ ! -z $4 ]]; then
 782                 linklocation=$4
 783         fi
 784
 785         if [ -r captions.txt ]; then
 786                 imagefilename=${filename##*/}
 787                 caption=$($GREPCOMMAND -E "^${imagefilename}    " captions.txt); caption=${caption#*    }
 788         else
 789                 caption=""
 790         fi
 791
 792         $BPGALLERY_PAGE_FUNCTION > "${UNIXPAGESDIRECTORY}$currentpage"
 793 }
 794
 795 if [[ $OUTPUTHTML != 0 ]]; then
 796         $ECHOCOMMAND "<pre>"
 797 fi
 798
 799 if [[ -z $1 ]]; then
 800         $ECHOCOMMAND "No path given"
 801         usage
 802         exit 1
 803 fi
 804
 805 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 806         usage
 807         exit 0
 808 fi
 809
 810 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 811         version
 812         exit 0
 813 fi
 814
 815 if [[ ! -d $1 ]]; then
 816         $ECHOCOMMAND "$1 is not a directory"
 817         usage
 818         exit 2
 819 fi
 820
 821 cd "$1"
 822
 823 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 824         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 825         exit 4
 826 fi
 827
 828 if [ ! -w . ]; then
 829         $ECHOCOMMAND "Can't write to images directory, exiting"
 830         exit 8
 831 fi
 832
 833 if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
 834         $ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
 835         exit 8
 836 fi
 837
 838 if [ -e style.css ] && [ ! -w style.css ]; then
 839         $ECHOCOMMAND "Can't write style.css, exiting"
 840         exit 8
 841 fi
 842
 843 generate_thumbs
 844
 845 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 846         if [ ! -d $PAGESDIRECTORY ]; then
 847                 mkdir -p $PAGESDIRECTORY
 848         fi
 849
 850         if [ ! -w $PAGESDIRECTORY ]; then
 851                 $ECHOCOMMAND "Can't write to $PAGESDIRECTORY directory, exiting"
 852                 exit 16
 853         fi
 854         UNIXPAGESDIRECTORY=$PAGESDIRECTORY/
 855         PAGESDIRECTORY=$(bpgallery_escape_url $PAGESDIRECTORY)/
 856
 857         BASEURL="../"
 858 else
 859         BASEURL=""
 860         UNIXPAGESDIRECTORY=""
 861 fi
 862
 863 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 864         generate_medium
 865         generate_medium_pages
 866 fi
 867
 868 if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
 869         if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 870                 generate_pages __${MEDIUMDIRECTORY}
 871         else
 872                 generate_pages
 873         fi
 874 fi
 875
 876 if [ -r description.txt ] ; then
 877         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 878 else
 879         DESCRIPTION=""
 880 fi
 881
 882 BASEURL=""
 883
 884 $ECHOCOMMAND "Starting to generate page"
 885
 886 $BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
 887 $BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 888
 889 $ECHOCOMMAND "Adding Captions"
 890
 891 extra=""
 892 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 893         extra=__${MEDIUMDIRECTORY}
 894 fi
 895
 896 $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 [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then link=${PAGESDIRECTORY}$(bpgallery_escape_url "${filename}${extra}.html"); elif [ $GENERATEPAGESFORFULLSIZE != 0 ]; then link=${PAGESDIRECTORY}$(bpgallery_escape_url "${filename}.html"); else link=$(bpgallery_escape_url "$filename"); fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> ${INDEXDOCUMENT}
 897
 898 $BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
 899
 900 $ECHOCOMMAND "Finished generating the page"
 901 $ECHOCOMMAND "Generating stylesheet"
 902 cd $ICONSDIRECTORY
 903
 904 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 905 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 906
 907 cd ..
 908
 909 # add a bit to the maxheight for the size of the caption
 910 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 911
 912 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 913
 914 $ECHOCOMMAND "All done"
 915
 916 if [[ $OUTPUTHTML != 0 ]]; then
 917         $ECHOCOMMAND "</pre>"
 918 fi