Annotation of scripts/pgallery/src/pgallery.sh, revision 1.6

1.1       as          1: #!/bin/sh
                      2: #
                      3: # THE BEER-WARE LICENSE 2012
                      4: # <as@paefchen.net> wrote this file. As long as you retain this notice you
                      5: # can do whatever you want with this stuff. If we meet some day, and you think
                      6: # this stuff is worth it, you can buy me a beer in return Aron Schlesinger
                      7: #
1.6     ! as          8: # $Paefchen: scripts/pgallery/src/pgallery.sh,v 1.5 2012/08/28 10:44:41 as Exp $
1.1       as          9: #
                     10: 
                     11: ARG_TITLE="PGallery"
                     12: ARG_FILES=
                     13: ARG_FILETYPES="jpg jpeg png gif tif tiff"
                     14: ARG_TNSIZE="180"
                     15: ARG_TNQALITY="70"
                     16: ARG_BIGSIZE="950"
                     17: ARG_BIGQALITY="90"
                     18: ARG_INDEX="index.html"
                     19: ARG_DIR="."
                     20: ARG_UPDATE=1
                     21: ARG_COPYRIGHT="&copy; $(date +%Y)"
1.6     ! as         22: ARG_INFOFILE=""
        !            23: ARG_MAILTO=""
        !            24: ARG_MAILFROM="PGallery <${USER}@${HOST}>"
        !            25: ARG_URL=
1.1       as         26: 
                     27: BIN_CONVERT="/usr/local/bin/convert"
                     28: BIN_EXIFAUTOTRAN="/usr/local/bin/exifautotran"
                     29: BIN_IMGINFO="/usr/local/bin/imginfo"
1.6     ! as         30: BIN_SENDMAIL="/usr/sbin/sendmail"
1.1       as         31: 
                     32: MKAKEFILE=".htmakefile"
1.5       as         33: VERSION="pgallery-1.1"
1.1       as         34: 
                     35: #
                     36: # usage()
                     37: #
                     38: usage()
                     39: {
                     40:        cat <<USAGE
                     41: usage $0: ( [-f <files>] | [-s <suffix>] ) [-d <dir>] [-n <name>]
                     42:                 [-t <thumbnail_size>] [-u <thumbnail_quality>]
1.6     ! as         43:                 [-b <big_size>] [-c <big_quality>] [-l link]
        !            44:                 [-i <index>] [-C <copyright>] [-F <mailfrom>] [-T <mailto>]
        !            45:                 [-U] | -h | -v
1.1       as         46: Options:
                     47:   -b size       size from big images in pixel (default: $ARG_BIGSIZE)
                     48:   -c quality    quality from big images 0-100% (default: $ARG_BIGQALITY)
                     49:   -d dir        gallery dir (default: $ARG_DIR)
                     50:   -f files      gallery images
                     51:   -h            this page
                     52:   -i name       index file name (default: $ARG_INDEX)
1.6     ! as         53:   -l url        gallery link
1.1       as         54:   -n name       page title (default: $ARG_TITLE)
                     55:   -s suffix     list of suffix. if no \`\`-f'' defined, used to find images
                     56:                 in \`\`-d'' directoy. case insensitive
                     57:                 (default: $ARG_FILETYPES)
                     58:   -t size       size from thumbnail images in pixel (default: $ARG_TNSIZE)
                     59:   -u quality    quality from thumbnail images 0-100% (default: $ARG_BIGQALITY)
1.4       as         60:   -v            print version
                     61:   -C copyright  copyright (html) string (default: $ARG_COPYRIGHT)
1.6     ! as         62:   -F from       mail sender (default: $ARG_MAILFROM)
1.5       as         63:   -I file       info text file for pgallery. info file paras prefered.
                     64:                 the syntax of the file is MAKE(1)
1.6     ! as         65:                 supported variable: TITLE COPYRIGHT INDEX FILETYPES TNSIZE URL
        !            66:                                     TNQALITY BIGSIZE BIGQALITY MAILTO MAILFROM
        !            67:   -T mailto     send update infos to this address. if not set, no mail delivery
1.1       as         68:   -U            no update, new calculation of all images.
                     69:                 normally only new and modified images will calculated
                     70: USAGE
                     71:        exit
                     72: }
                     73: 
                     74: #
                     75: # get_my_path()
                     76: #
                     77: get_my_path()
                     78: {
                     79:        current=$(pwd)
                     80:        cd $(dirname $0)
                     81:        echo $(pwd)/$(basename $0)
                     82:        cd "$current"
                     83: }
                     84: 
                     85: #
                     86: # html_header()
                     87: #
                     88: html_header()
                     89: {
                     90:        cat <<HTML
                     91: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
                     92: "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
                     93: <html xmlns="http://www.w3.org/1999/xhtml">
                     94: <head>
                     95:        <title>$ARG_TITLE</title>
                     96:                <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
                     97:                <style type="text/css">
                     98:                <!--
                     99: body {
                    100:        background-color: #464646;
                    101:        background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFgAAABYB\
                    102: AMAAACDuy0HAAAAG1BMVEX+/v4BAQH///8KCgoDAwN/f3/19fWAgID8/PzhDwT2AAAACXRSTlMFBQUFBQU\
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                    147: 2cP8X2s3+IBLIhvL8RHopoHpIArJysYTTmMMeubPXh8W760AvMVH67jqgg06+/ne5MZ631z6yROhloh3dP\
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                    151: nkOE+JFyD+wKFL+WMX6nwwDva0S1/O8Mlnida69Ph96fuFvCoRMvXnCfsLPPmC/hA5RnMNE4fDK0pVOQ4B\
                    152: HLaErzv/wD99ABmjNZk0AAAAABJRU5ErkJggg==");
                    153:        margin: 10px auto;
                    154:        font-family: Geneva,Arial,sans-serif;
                    155:        font-size: 12px;
1.2       as        156:        text-shadow: 1px 1px 1px #000;
1.1       as        157: }
                    158: div.tn {
                    159:        float: left;
                    160:        width: ${ARG_TNSIZE}px;
                    161:        height: ${ARG_TNSIZE}px;
                    162:        vertical-align:text-top;
                    163:        text-align: center;
                    164:        margin: 4px;
                    165: }
                    166: div.tn a {
                    167:        position: relative;
                    168:        display: inline-block;
                    169:        height: ${ARG_TNSIZE}px;
                    170: }
                    171: div.tn, div.big {
                    172:        background-color: black;
                    173:        border-width: 1px;
                    174:        border-style: solid;
                    175:        border-color: gray;
                    176:        box-shadow: 1px 1px 2px #000;
                    177:        padding: 1px;
1.4       as        178:        border-radius: 3px;
1.1       as        179: }
                    180: div.tn:hover {
                    181:        background-color: #222;
                    182: }
                    183: div.big {
                    184:        display: inline-block;
                    185:        width: ${ARG_BIGSIZE}px;
                    186: }
                    187: div.over {
                    188:        width: ${ARG_BIGSIZE}px;
                    189:        position: absolute;
                    190:        top: 30px;
                    191:        padding: 1px;
                    192: }
                    193: div.over a.left, div.over a.right {
                    194:        display: block;
1.2       as        195:        /* shell fuck of: missing CTLARI (shouldn't happen) - WTF?! */
                    196:        width: $(($ARG_BIGSIZE / 2))px;
1.1       as        197:        position: relative;
                    198:        top: 1px;
                    199:        left: 1px;
                    200:        background-repeat: no-repeat;
                    201: }
                    202: div.over a.left:hover {
                    203:        background-position: 5% center;
                    204:        background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB0AAAAwC\
                    205: AYAAADtoXHnAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAh9JREFUeNrE2L1Lw0A\
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                    214: bzcdGo/Egy/KFZzKJPHbMVsiEyVPXTRRPeMdMWMQuqLi0gPInwACOBcZx3lRFMwAAAABJRU5ErkJggg==");
                    215: }
                    216: div.over a.right:hover {
                    217:        background-position: 95% center;
                    218:        background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB0AAAAwC\
                    219: AYAAADtoXHnAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAiJJREFUeNrE2D1Lw0A\
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                    229: g=="); 
                    230: }
                    231: div.big a {
                    232:        position: relative;
                    233:        display: inline-block;
                    234:        width: ${ARG_BIGSIZE}px;
                    235: }
                    236: div.box {
                    237:        text-align: center;
                    238:        width: ${ARG_BIGSIZE}px;
                    239:        margin: auto;
                    240: }
                    241: div.box div.c {
                    242:        width: ${ARG_BIGSIZE}px;
                    243:        text-align: right;
                    244:        font-size: 90%;
                    245:        color: #808080;
                    246:        height: 25px;
                    247:        line-height: 25px;
                    248:        position: relative;
                    249:        left: 4px;
                    250: }
                    251: body > div.c {
                    252:        text-align: center;
                    253:        font-size: 90%;
                    254:        color: #808080;
                    255:        height: 25px;
                    256:        line-height: 25px;
                    257:        position: relative;
                    258:        margin: 4px;
                    259: }
                    260: a img {
                    261:        border-width: 0;
                    262: }
                    263: a {
                    264: }
                    265: div.nav {
                    266:        width: ${ARG_BIGSIZE}px;
                    267:        height: 20px;
                    268: }
                    269: div.nav a {
                    270:        color: #FFF;
                    271:        text-decoration: none;
                    272: }
                    273: div.nav a:hover {
                    274:        text-decoration: underline;
                    275: }
                    276: div.nav div.top {
                    277:        position: absolute;
                    278:        text-align: center;
1.2       as        279:        width: $(($ARG_BIGSIZE - 100))px;
                    280:        margin: 0 50px;
1.1       as        281: }
                    282: .left {
                    283:        float: left;
                    284: }
                    285: .right {
                    286:        float: right;
                    287: }
                    288: .clear {
                    289:        clear: both;
                    290: }
                    291:                -->
                    292:                </style>
                    293:        </head>
                    294: <body>
                    295: HTML
                    296: }
                    297: 
                    298: #
                    299: # html_footer()
                    300: #
                    301: html_footer()
                    302: {
                    303:        cat <<HTML
                    304: </body></html>
                    305: HTML
                    306: }
                    307: 
                    308: #
                    309: # html_tn()
                    310: #
                    311: html_tn()
                    312: {
                    313:        tn=$1
                    314:        link=$2
                    315: 
                    316:        info=$($BIN_IMGINFO -f $tn)
                    317:        width=$(echo $info | awk '{print $3}')
                    318:        height=$(echo $info | awk '{print $4}')
                    319:        top=$(($(($ARG_TNSIZE - $height)) / 2))
                    320: 
                    321:        cat <<HTML
                    322: <div class="tn">
                    323:        <a href="$link" style="top:${top}px">
                    324:                <img alt="$tn" width="$width" height="$height" src="$tn" />
                    325:        </a>
                    326: </div>
                    327: HTML
                    328: }
                    329: 
                    330: #
                    331: # html_img()
                    332: #
                    333: html_img()
                    334: {
                    335:        img=$1
                    336:        link=$2
                    337:        linkb=$3
                    338:        linkn=$4
                    339: 
1.3       as        340:        info=$($BIN_IMGINFO -f $img)
                    341:        width=$(echo $info | awk '{print $3}')
                    342:        height=$(echo $info | awk '{print $4}')
1.1       as        343: 
                    344:        if [ "$linkb" != "" ]
                    345:        then
                    346:                hlinkb="<a href='$linkb'>zurück</a>"
                    347:                olinkb="<a class='left' style='height:${height}px' href='$linkb'></a>"
                    348:        fi
                    349: 
                    350:        if [ "$linkn" != "" ]
                    351:        then
                    352:                hlinkn="<a href="$linkn">weiter</a>"
                    353:                olinkn="<a class='right' style='height:${height}px' href='$linkn'></a>"
                    354:        fi
                    355: 
                    356:        cat <<HTML
                    357: <div class="box">
                    358:        <div class="nav">
1.2       as        359:                <div class="top"><a href="$link">Index</a></div>
1.1       as        360:                <div class="left">$hlinkb</div>
                    361:                <div class="right">$hlinkn</div>
                    362:        </div>
                    363:        <div class="big">
1.3       as        364:                <img alt="$img" width="$width" height="$height" src="$img" />
1.1       as        365:        </div>
                    366:        <div class="c">
                    367:                $ARG_TITLE $ARG_COPYRIGHT
                    368:        </div>
                    369:        <div class="over" style='height:${height}px'>
                    370:                $olinkb
                    371:                $olinkn
                    372:        </div>
                    373: </div>
                    374: HTML
                    375: }
                    376: 
                    377: #
                    378: # err
                    379: #
                    380: err()
                    381: {
                    382:        echo "$1" >&2
                    383:        exit 1
                    384: }
                    385: 
1.6     ! as        386: #
        !           387: # mysendmail()
        !           388: #
        !           389: mysendmail()
        !           390: {
        !           391:        subject=$1
        !           392:        (
        !           393:                cat <<MAIL
        !           394: From: $ARG_MAILFROM
        !           395: To: $ARG_MAILTO
        !           396: Subject: $subject
        !           397: Content-Type: text/plain; charset=iso-8859-1
        !           398: X-Mailer: $VERSION
        !           399: 
        !           400: $(cat)
        !           401: MAIL
        !           402:        ) | $BIN_SENDMAIL -t
        !           403: }
1.1       as        404: 
                    405: # parse args
                    406: while [ "$1" != "" ]
                    407: do
                    408:        arg=$1
                    409:        shift
                    410:        case $arg in
                    411:                -h)
1.6     ! as        412:                        usage;;
1.1       as        413:                -n)
                    414:                        ARG_TITLE=$1
1.6     ! as        415:                        shift;;
1.1       as        416:                -t)
                    417:                        ARG_TNSIZE=$1
1.6     ! as        418:                        shift;;
1.1       as        419:                -u)
                    420:                        ARG_TNQALITY=$1
1.6     ! as        421:                        shift;;
1.1       as        422:                -b)
                    423:                        ARG_BIGSIZE=$1
1.6     ! as        424:                        shift;;
1.1       as        425:                -c)
                    426:                        ARG_BIGQALITY=$1
1.6     ! as        427:                        shift;;
1.1       as        428:                -f)
                    429:                        ARG_FILES=$1
1.6     ! as        430:                        shift;;
        !           431:                -l)
        !           432:                        ARG_URL=$1
        !           433:                        shift;;
1.1       as        434:                -s)
                    435:                        ARG_FILETYPES=$1
1.6     ! as        436:                        shift;;
1.1       as        437:                -d)
                    438:                        ARG_DIR=$1
1.6     ! as        439:                        shift;;
1.1       as        440:                -C)
                    441:                        ARG_COPYRIGHT=$1
1.6     ! as        442:                        shift;;
        !           443:                -F)
        !           444:                        ARG_MAILFROM=$1
        !           445:                        shift;;
1.5       as        446:                -I)
                    447:                        ARG_INFOFILE=$1
1.6     ! as        448:                        shift;;
        !           449:                -T)
        !           450:                        ARG_MAILTO=$1
        !           451:                        shift;;
1.1       as        452:                -U)
1.6     ! as        453:                        ARG_UPDATE=0;;
1.1       as        454:                -v)
                    455:                        echo $VERSION
1.6     ! as        456:                        exit;;
1.1       as        457:                *)
                    458:                        echo "unknown argument $arg"
                    459:                        exit
                    460:        esac
                    461: done
                    462: 
1.5       as        463: # parese info file
                    464: if [ "$ARG_INFOFILE" != "" ]
                    465: then
                    466:        test -f $ARG_INFOFILE || err "info file not found \`\`$ARG_INFOFILE''"
1.6     ! as        467:        for n in TITLE COPYRIGHT INDEX FILETYPES TNSIZE TNQALITY BIGSIZE \
        !           468:                BIGQALITY MAILTO MAILFROM URL
1.5       as        469:        do
                    470:                v=$(make -f $ARG_INFOFILE -V$n)
                    471:                test "$v" = "" && continue
                    472:                eval "ARG_$n='$v'"
                    473:        done    
                    474: fi
                    475: 
1.6     ! as        476: # go to gallery directory
1.1       as        477: MY=$(get_my_path)
                    478: cd "$ARG_DIR" || exit 1
                    479: 
1.6     ! as        480: # fix url
        !           481: if [ "$ARG_URL" != "" ]
        !           482: then
        !           483:        echo "$ARG_URL" | grep -q '/$' || ARG_URL="${ARG_URL}/"
        !           484: fi
        !           485: 
1.1       as        486: # if no images defined, find files
                    487: if [ "$ARG_FILES" = "" -a "$ARG_FILETYPES" != "" ]
                    488: then
                    489:        match=
                    490:        for type in $ARG_FILETYPES
                    491:        do
                    492:                match="$match *.$(echo $type | tr '[:lower:]' '[:upper:]')"
                    493:                match="$match *.$(echo $type | tr '[:upper:]' '[:lower:]')"
                    494:        done
                    495:        ARG_FILES=$(cd $ARG_DIR && ls $match 2>/dev/null)
                    496: fi
                    497: 
                    498: # Filter big and thumbnails
                    499: echo -n "find images"
                    500: FLIST=
                    501: for file in $ARG_FILES
                    502: do
                    503:        test $(echo $file | grep -E '\.(tn|big)\.jpg$') && continue
                    504:        FLIST="$FLIST $file"
                    505:        echo -n " $file"
                    506: done
                    507: echo 
                    508: 
                    509: test $(echo $FLIST | wc -w) -eq 0 && err "error: no image found in \`\`$ARG_DIR''"
                    510: 
1.5       as        511: # find new and to update images
                    512: FLIST_NEW=
                    513: FLIST_UPDATE=
                    514: echo "all: tns" > $MKAKEFILE
                    515: targets=""
                    516: for file in $FLIST
                    517: do
                    518:        tn="${file}.tn.jpg"
                    519:        if [ ! -f $tn ]
                    520:        then
                    521:                FLIST_NEW="$FLIST_NEW $file"
                    522:                continue
                    523:        fi
                    524: 
                    525:        targets="$targets $tn"
                    526:        (
                    527:                cat <<MAKE
                    528: $tn: $file
                    529:        @echo ${file}
                    530: MAKE
                    531:        ) >> $MKAKEFILE
                    532: done
                    533: echo "tns: $targets" >> $MKAKEFILE
                    534: FLIST_UPDATE=$(make -f $MKAKEFILE)
                    535: rm $MKAKEFILE
                    536: 
                    537: # update and no new and update images found
                    538: if [ $ARG_UPDATE -eq 1 -a "$FLIST_NEW" = "" -a "$FLIST_UPDATE" = "" ]
                    539: then
                    540:        echo nothing to do
                    541:        exit 1
                    542: fi
                    543: 
                    544: if [ $ARG_UPDATE -eq 1 ]
                    545: then
                    546:        echo new images: $FLIST_NEW
                    547:        echo update images: $FLIST_UPDATE
                    548: fi
                    549: 
1.1       as        550: # Create make file to rotate und convert all big and thumbnails.
                    551: # Is needed to define the new real image sizes.
                    552: echo "all: tns" > $MKAKEFILE
                    553: targets=""
                    554: for file in $FLIST
                    555: do
                    556:        tn="${file}.tn.jpg"
                    557:        big="${file}.big.jpg"
                    558:        targets="$targets $tn"
                    559: 
                    560:        target=
                    561:        if [ $ARG_UPDATE -eq 1 ]
                    562:        then
                    563:                target="$tn: $ME $file"
                    564:        else
                    565:                target="$tn::"
                    566:        fi
                    567: 
                    568:        (
1.5       as        569:                cat <<MAKE
1.1       as        570: $target
                    571:        $BIN_EXIFAUTOTRAN $file
                    572:        $BIN_CONVERT -verbose -thumbnail ${ARG_TNSIZE}x${ARG_TNSIZE} -quality $ARG_TNQALITY $file $tn
                    573:        $BIN_CONVERT -verbose -thumbnail ${ARG_BIGSIZE}x${ARG_BIGSIZE} -quality $ARG_BIGQALITY $file $big
                    574: MAKE
                    575:        ) >> $MKAKEFILE
                    576: done
                    577: echo "tns: $targets" >> $MKAKEFILE
                    578: 
                    579: make -f $MKAKEFILE
                    580: rm $MKAKEFILE
                    581: 
                    582: # create single html files
                    583: index=""
                    584: i=0
                    585: echo -n "create single html files "
                    586: for file in $FLIST
                    587: do
                    588:        h=$i
                    589:        i=$(($i + 1))
                    590:        j=$(($i + 1))
                    591: 
                    592:        tn="${file}.tn.jpg"
                    593:        big="${file}.big.jpg"
                    594:        imglink="${file}.html"
                    595: 
                    596:        if [ $i -ne 1 ]
                    597:        then
                    598:                linkb=$(echo $FLIST | awk "{print \$$h}").html
                    599:        fi
                    600:        linkn=$(echo $FLIST | awk "{print \$$j}")
                    601:        test "$linkn" != "" && linkn="$linkn.html"
                    602: 
                    603:        echo -n .
                    604:        index="$index $(html_tn $tn $imglink)"
                    605:        (
                    606:                html_header
                    607:                html_img $big $ARG_INDEX "$linkb" "$linkn"
                    608:                html_footer
                    609:        ) > $imglink
                    610: done
                    611: echo
                    612: 
                    613: # create html index
                    614: echo create html index
                    615: (
                    616:        html_header
                    617:        echo $index
                    618:        echo "<div class='clear'></div>"
                    619:        echo "<div class='c'>$ARG_TITLE $ARG_COPYRIGHT</div>"
                    620:        html_footer
                    621: ) > $ARG_INDEX
1.6     ! as        622: 
        !           623: 
        !           624: test "$ARG_MAILTO" = "" && exit 0
        !           625: 
        !           626: # send info mail
        !           627: if [ "$FLIST_NEW" != "" -o "$FLIST_UPDATE" != "" ]
        !           628: then
        !           629:        echo "send mail to $ARG_MAILTO"
        !           630:        (
        !           631:                echo "Hallo,"
        !           632:                echo
        !           633:                echo -n "the gallery $ARG_TITLE has been updated"
        !           634:                if [ "$ARG_URL" != "" ]
        !           635:                then
        !           636:                        echo ":"
        !           637:                        echo $ARG_URL
        !           638:                else
        !           639:                        echo "."
        !           640:                fi
        !           641: 
        !           642:                suffix=
        !           643:                test "$ARG_URL" != "" && suffix=.html
        !           644: 
        !           645:                if [ "$FLIST_NEW" != "" ]
        !           646:                then
        !           647:                        echo
        !           648:                        echo "add pictures:"
        !           649:                        for file in $FLIST_NEW
        !           650:                        do
        !           651:                                echo "- ${ARG_URL}${file}${suffix}"
        !           652:                        done
        !           653:                fi
        !           654: 
        !           655:                if [ "$FLIST_UPDATE" != "" ]
        !           656:                then
        !           657:                        echo
        !           658:                        echo "update pictures:"
        !           659:                        for file in $FLIST_UPDATE
        !           660:                        do
        !           661:                                echo "- ${ARG_URL}${file}${suffix}"
        !           662:                        done
        !           663:                fi
        !           664:        ) | mysendmail "PGallery Update: $ARG_TITLE"
        !           665: fi