5 # Recursively create image gallery index and slideshow wrappings.
6 # Makes use of (slightly modified) "lightbox" Javascript/CSS as published
7 # at http://www.huddletogether.com/projects/lightbox/
9 # Copyright (c) 2006 Eugene G. Crosser
11 # This software is provided 'as-is', without any express or implied
12 # warranty. In no event will the authors be held liable for any damages
13 # arising from the use of this software.
15 # Permission is granted to anyone to use this software for any purpose,
16 # including commercial applications, and to alter it and redistribute it
17 # freely, subject to the following restrictions:
19 # 1. The origin of this software must not be misrepresented; you must not
20 # claim that you wrote the original software. If you use this software
21 # in a product, an acknowledgment in the product documentation would be
22 # appreciated but is not required.
23 # 2. Altered source versions must be plainly marked as such, and must not be
24 # misrepresented as being the original software.
25 # 3. This notice may not be removed or altered from any source distribution.
31 use POSIX qw/getcwd strftime/;
32 use CGI qw/:html *table *Tr *center *div/;
33 use Image::Info qw/image_info dim/;
37 my $haveimagick = eval { require Image::Magick; };
38 { package Image::Magick; } # to make perl compiler happy
40 my @sizes = (160, 640);
42 ######################################################################
48 GetOptions('asktitle'=>\$asktitle,
49 'noasktitle'=>\$noasktitle,
52 my $term = new Term::ReadLine "Edit Title";
54 FsObj->new(getcwd)->iterate;
64 my $fullpath = $parent->{-fullpath}.'/'.$name;
67 -root=>$parent->{-root},
70 -inc=>'../'.$parent->{-inc},
83 print "new $class:\n";
84 foreach my $k(keys %$self) {
85 print "\t$k\t=\t$self->{$k}\n";
92 my $fullpath=shift; # this is not a method
93 my $depth=20; # arbitrary max depth
96 while ( ! -d $fullpath."/".$inc ) {
98 last unless ($depth-- > 0);
101 return $inc.'/'; # prefix with trailing slash
103 return 'NO-.INCLUDE-IN-PATH/'; # won't work anyway
109 my $fullpath .= $self->{-fullpath};
110 print "iterate in dir $fullpath\n" if ($debug);
116 unless (opendir($D,$fullpath)) {
117 warn "cannot opendir $fullpath: $!";
120 while (my $de = readdir($D)) {
121 next if ($de =~ /^\./);
122 my $child = $self->new($de);
123 my @stat = stat($child->{-fullpath});
124 $youngest = $stat[9] if ($youngest < $stat[9]);
126 push(@rdirlist,$child);
127 } elsif ($child->isimg) {
128 push(@rimglist,$child);
132 my @dirlist = sort {$a->{-base} cmp $b->{-base}} @rdirlist;
133 undef @rdirlist; # inplace sorting would be handy here
134 my @imglist = sort {$a->{-base} cmp $b->{-base}} @rimglist;
135 undef @rimglist; # optimize away unsorted versions
136 $self->{-firstimg} = $imglist[0];
138 print "Dir: $self->{-fullpath}\n" if ($debug);
140 # 1. first of all, fill title for this directory and create hidden subdirs
144 # 2. recurse into subdirectories to get their titles filled
145 # before we start writing out subalbum list
147 foreach my $dir(@dirlist) {
151 # 3. iterate through images to build cross-links,
154 foreach my $img(@imglist) {
155 # list-linking must be done before generating
156 # aux html because aux pages rely on prev/next refs
158 $previmg->{-nextimg} = $img;
159 $img->{-previmg} = $previmg;
164 # 4. create scaled versions and aux html pages
166 foreach my $img(@imglist) {
167 # scaled versions must be generated before aux html
168 # and main image index because they both rely on
169 # refs to scaled images and they may be just original
170 # images, this is not known before we try scaling.
172 # finally, make aux html pages
176 # no need to go beyond this point if the directory timestamp did not
177 # change since we built index.html file last time.
179 my @istat = stat($self->{-fullpath}.'/index.html');
180 return unless ($youngest > $istat[9]);
182 # 5. start building index.html for the directory
186 # 6. iterate through subdirectories to build subalbums list
190 foreach my $dir(@dirlist) {
196 # 7. iterate through images to build thumb list
200 foreach my $img(@imglist) {
201 print "Img: $img->{-fullpath}\n" if ($debug);
207 # 8. comlplete building index.html for the directory
214 return ( -d $self->{-fullpath} );
219 my $fullpath = $self->{-fullpath};
220 return 0 unless ( -f $fullpath );
221 my $info = image_info($fullpath);
222 if (my $error = $info->{error}) {
223 if (($error !~ "Unrecognized file format") &&
224 ($error !~ "Can't read head")) {
225 warn "File \"$fullpath\": $error\n";
230 tryapp12($info) unless ($info->{'ExifVersion'});
233 $self->{-info} = $info;
238 my $info = shift; # this is not a method
240 # dirty hack to take care of Image::Info parser strangeness
241 foreach my $k(keys %$info) {
242 $app12=substr($k,6).$info->{$k} if ($k =~ /^App12-/);
244 return unless ($app12); # bad luck
246 foreach my $ln(split /[\r\n]+/,$app12) {
247 $ln =~ s/[[:^print:]\000]/ /g;
248 unless ($seenfirstline) {
253 my ($k,$v)=split /=/,$ln,2;
254 if ($k eq 'TimeDate') {
255 $info->{'DateTime'} =
256 strftime("%Y:%m:%d %H:%M:%S", localtime($v))
258 } elsif ($k eq 'Shutter') {
259 $info->{'ExposureTime'} = '1/'.int(1000000/$v+.5);
260 } elsif ($k eq 'Flash') {
261 $info->{'Flash'} = $v?'Flash fired':'Flash did not fire';
262 } elsif ($k eq 'Type') {
263 $info->{'Model'} = $v;
264 } elsif ($k eq 'Version') {
265 $info->{'Software'} = $v;
266 } elsif ($k eq 'Fnumber') {
267 $info->{'FNumber'} = $v;
274 my $fullpath = $self->{-fullpath};
275 for my $subdir(@sizes, 'html') {
276 my $tdir=sprintf "%s/.%s",$self->{-fullpath},$subdir;
277 mkdir($tdir,0755) unless ( -d $tdir );
284 my $fullpath = $self->{-fullpath};
287 if (open($T,'<'.$fullpath.'/.title')) {
289 $title =~ s/[\r\n]*$//;
292 if ($asktitle || (!$title && !$noasktitle)) {
293 my $prompt = $self->{-base};
294 $prompt = '/' unless ($prompt);
295 my $OUT = $term->OUT || \*STDOUT;
296 print $OUT "Enter title for $fullpath\n";
297 $title = $term->readline($prompt.' >',$title);
298 $term->addhistory($title) if ($title);
299 if (open($T,'>'.$fullpath.'/.title')) {
300 print $T $title,"\n";
305 $title=substr($fullpath,length($self->{-root}));
307 $self->{-title}=$title;
308 print "title in $fullpath is $title\n" if ($debug);
313 my $fn = $self->{-fullpath};
314 my $name = $self->{-base};
315 my $dn = $self->{-parent}->{-fullpath};
316 my ($w, $h) = dim($self->{-info});
317 my $max = ($w > $h)?$w:$h;
319 foreach my $size(@sizes) {
320 my $nref = '.'.$size.'/'.$name;
321 my $nfn = $dn.'/'.$nref;
322 my $factor=$size/$max;
324 $self->{$size} = $name; # unscaled version will do
326 $self->{$size} = $nref;
327 if (isnewer($fn,$nfn)) {
328 doscaling($fn,$nfn,$factor,$w,$h);
335 my ($fn1,$fn2) = @_; # this is not a method
336 my @stat1=stat($fn1);
337 my @stat2=stat($fn2);
338 return (!@stat2 || ($stat1[9] > $stat2[9]));
339 # true if $fn2 is absent or is older than $fn1
343 my ($src,$dest,$factor,$w,$h) = @_; # this is not a method
347 my $im = new Image::Magick;
348 print "doscaling $src -> $dest by $factor\n" if ($debug);
349 if ($err = $im->Read($src)) {
350 warn "ImageMagick: read \"$src\": $err";
352 $im->Scale(width=>$w*$factor,height=>$h*$factor);
353 $err=$im->Write($dest);
354 warn "ImageMagick: write \"$dest\": $err" if ($err);
358 if ($err) { # fallback to command-line tools
359 system("djpeg \"$src\" | pnmscale \"$factor\" | cjpeg >\"$dest\"");
365 my $name = $self->{-base};
366 my $dn = $self->{-parent}->{-fullpath};
367 my $pref = $self->{-previmg}->{-base};
368 my $nref = $self->{-nextimg}->{-base};
369 my $inc = $self->{-inc};
370 my $title = $self->{-info}->{'Comment'};
371 $title = $name unless ($title);
373 print "slide: \"$pref\"->\"$name\"->\"$nref\"\n" if ($debug);
376 for my $refresh('static', 'slide') {
377 my $fn = sprintf("%s/.html/%s-%s.html",$dn,$name,$refresh);
378 if (isnewer($self->{-fullpath},$fn)) {
379 my $imgsrc = '../'.$self->{$sizes[1]};
383 $fwdref = sprintf("%s-%s.html",$nref,$refresh);
385 $fwdref = '../index.html';
388 $bakref = sprintf("%s-%s.html",$pref,$refresh);
390 $bakref = '../index.html';
394 if ($refresh eq 'slide') {
395 $toggleref=sprintf("%s-static.html",$name);
396 $toggletext = 'Stop!';
398 $toggleref=sprintf("%s-slide.html",$name);
399 $toggletext = 'Play->';
402 unless (open($F,'>'.$fn)) {
403 warn "cannot open \"$fn\": $!";
406 if ($refresh eq 'slide') {
410 -head=>meta({-http_equiv=>'Refresh',
411 -content=>"3; url=$fwdref"}),
412 -style=>{-src=>$inc."gallery.css"},
416 print $F start_html(-title=>$title,
418 -style=>{-src=>$inc."gallery.css"},
421 print $F start_center,"\n",
423 start_table({-class=>'navi'}),start_Tr,"\n",
424 td(a({-href=>"../index.html"},"Index")),"\n",
425 td(a({-href=>$bakref},"<<Prev")),"\n",
426 td(a({-href=>$toggleref},$toggletext)),"\n",
427 td(a({-href=>$fwdref},"Next>>")),"\n",
430 table({-class=>'picframe'},
431 Tr(td(img({-src=>$imgsrc})))),"\n",
439 my $fn = sprintf("%s/.html/%s-info.html",$dn,$name);
440 if (isnewer($self->{-fullpath},$fn)) {
442 unless (open($F,'>'.$fn)) {
443 warn "cannot open \"$fn\": $!";
446 my $imgsrc = sprintf("../.%s/%s",$sizes[0],$name);
447 print $F start_html(-title=>$title,
448 -style=>{-src=>$inc."gallery.css"},),"\n",
451 table({-class=>'ipage'},
452 Tr(td(img({-src=>$imgsrc})),
453 td($self->infotable))),
454 a({-href=>'../index.html'},'Index'),"\n",
463 my $fn = $self->{-fullpath}.'/index.html';
464 my $block = $self->{-fullpath}.'/.noindex';
465 $fn = '/dev/null' if ( -f $block );
467 unless (open($IND,'>'.$fn)) {
468 warn "cannot open $fn: $!";
471 $self->{-IND} = $IND;
473 my $inc = $self->{-inc};
474 my $title = $self->{-title};
475 print $IND start_html(-title => $title,
476 -style=>{-src=>[$inc."gallery.css",
477 $inc."lightbox.css"]},
478 -script=>[{-code=>"var incPrefix='$inc';"},
479 {-src=>$inc."gallery.js"},
480 {-src=>$inc."lightbox.js"}]),
481 a({-href=>"../index.html"},"UP"),"\n",
489 my $IND = $self->{-IND};
491 print $IND end_center,end_html,"\n";
493 close($IND) if ($IND);
499 my $IND = $self->{-IND};
501 print $IND h2("Albums"),"\n",start_table,"\n";
506 my $IND = $self->{-parent}->{-IND};
507 my $name = $self->{-base};
508 my $title = $self->{-title};
510 print $IND Tr(td(a({-href=>$name.'/index.html'},$name)),
511 td(a({-href=>$name.'/index.html'},$title))),"\n";
516 my $IND = $self->{-IND};
518 print $IND end_table,"\n",br({-clear=>'all'}),hr,"\n\n";
523 my $IND = $self->{-IND};
524 my $first = $self->{-firstimg}->{-base};
525 my $slideref = sprintf(".html/%s-slide.html",$first);
527 print $IND h2("Images"),"\n",
528 a({-href=>$slideref},'Slideshow'),
534 my $IND = $self->{-parent}->{-IND};
535 my $name = $self->{-base};
536 my $title = $self->{-info}->{'Comment'};
537 $title = $name unless ($title);
538 my $thumb = $self->{$sizes[0]};
539 my $medium = $self->{$sizes[1]};
540 my $info = $self->{-info};
541 my ($w, $h) = dim($info);
543 print $IND start_div({-class=>'ibox',-id=>$name,
544 -OnClick=>"HideIbox('$name');"}),"\n",
545 start_div({-class=>'iboxtitle'}),
546 span({-style=>'float: left;'},b("Info for $name")),
547 span({-style=>'float: right;'},
548 a({-href=>"#",-OnClick=>"HideIbox('$name');"},"Close")),
549 br({-clear=>'all'}),"\n",
554 print $IND table({-class=>'slide'},Tr(td(
555 a({-href=>".html/$name-info.html",-title=>'Image Info',
556 -onClick=>"return showIbox('$name');"},$title),
558 a({-href=>$medium,-rel=>"lightbox",-title=>$title},
559 img({-src=>$thumb})),
561 a({-href=>$name,-title=>'Original Image'},"($w x $h)"),
567 my $IND = $self->{-IND};
569 print $IND br({-clear=>'all'}),hr,"\n\n";
574 my $info = $self->{-info};
591 $msg.=start_table({-class=>'infotable'})."\n";
592 foreach my $k(@infokeys) {
593 $msg.=Tr(td($k.":"),td($info->{$k}))."\n" if ($info->{$k});
595 $msg.=end_table."\n";