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/;
38 binmode(STDOUT, ":utf8");
40 my $haveimagick = eval { require Image::Magick; };
41 { package Image::Magick; } # to make perl compiler happy
43 my @sizes = (160, 640);
45 ######################################################################
57 'asktitle'=>\$asktitle,
58 'noasktitle'=>\$noasktitle,
63 my $term = new Term::ReadLine "Edit Title";
65 FsObj->new(getcwd)->iterate;
69 print STDERR <<__END__;
71 --help: print help message and exit
72 --incpath: do not try to find .include diretory upstream, use
73 specified path (absolute or relavive). Use with causion.
74 --debug: print a lot of debugging info to stdout as you run
75 --asktitle: ask to edit album titles even if there are ".title" files
76 --noasktitle: don't ask to enter album titles even where ".title"
77 files are absent. Use partial directory names as titles.
91 my $fullpath = $parent->{-fullpath}.'/'.$name;
94 -root=>$parent->{-root},
97 -inc=>'../'.$parent->{-inc},
110 print "new $class:\n";
111 foreach my $k(keys %$self) {
112 print "\t$k\t=\t$self->{$k}\n";
119 my $fullpath=shift; # this is not a method
120 my $depth=20; # arbitrary max depth
123 return $incpath."/.include";
127 while ( ! -d $fullpath."/".$inc ) {
129 last unless ($depth-- > 0);
132 return $inc.'/'; # prefix with trailing slash
134 return 'NO-.INCLUDE-IN-PATH/'; # won't work anyway
140 my $fullpath .= $self->{-fullpath};
141 print "iterate in dir $fullpath\n" if ($debug);
147 unless (opendir($D,$fullpath)) {
148 warn "cannot opendir $fullpath: $!";
151 while (my $de = readdir($D)) {
152 next if ($de =~ /^\./);
153 my $child = $self->new($de);
154 my @stat = stat($child->{-fullpath});
155 $youngest = $stat[9] if ($youngest < $stat[9]);
157 push(@rdirlist,$child);
158 } elsif ($child->isimg) {
159 push(@rimglist,$child);
163 my @dirlist = sort {$a->{-base} cmp $b->{-base}} @rdirlist;
164 undef @rdirlist; # inplace sorting would be handy here
165 my @imglist = sort {$a->{-base} cmp $b->{-base}} @rimglist;
166 undef @rimglist; # optimize away unsorted versions
167 $self->{-firstimg} = $imglist[0];
169 print "Dir: $self->{-fullpath}\n" if ($debug);
171 # 1. first of all, fill title for this directory and create hidden subdirs
175 # 2. recurse into subdirectories to get their titles filled
176 # before we start writing out subalbum list
178 foreach my $dir(@dirlist) {
182 # 3. iterate through images to build cross-links,
185 foreach my $img(@imglist) {
186 # list-linking must be done before generating
187 # aux html because aux pages rely on prev/next refs
189 $previmg->{-nextimg} = $img;
190 $img->{-previmg} = $previmg;
195 # 4. create scaled versions and aux html pages
197 foreach my $img(@imglist) {
198 # scaled versions must be generated before aux html
199 # and main image index because they both rely on
200 # refs to scaled images and they may be just original
201 # images, this is not known before we try scaling.
203 # finally, make aux html pages
207 # no need to go beyond this point if the directory timestamp did not
208 # change since we built index.html file last time.
210 my @istat = stat($self->{-fullpath}.'/index.html');
211 return unless ($youngest > $istat[9]);
213 # 5. start building index.html for the directory
217 # 6. iterate through subdirectories to build subalbums list
221 foreach my $dir(@dirlist) {
227 # 7. iterate through images to build thumb list
231 foreach my $img(@imglist) {
232 print "Img: $img->{-fullpath}\n" if ($debug);
238 # 8. comlplete building index.html for the directory
245 return ( -d $self->{-fullpath} );
250 my $fullpath = $self->{-fullpath};
251 return 0 unless ( -f $fullpath );
252 my $info = image_info($fullpath);
253 if (my $error = $info->{error}) {
254 if (($error !~ "Unrecognized file format") &&
255 ($error !~ "Can't read head")) {
256 warn "File \"$fullpath\": $error\n";
261 tryapp12($info) unless ($info->{'ExifVersion'});
264 $self->{-info} = $info;
269 my $info = shift; # this is not a method
271 # dirty hack to take care of Image::Info parser strangeness
272 foreach my $k(keys %$info) {
273 $app12=substr($k,6).$info->{$k} if ($k =~ /^App12-/);
275 return unless ($app12); # bad luck
277 foreach my $ln(split /[\r\n]+/,$app12) {
278 $ln =~ s/[[:^print:]\000]/ /g;
279 unless ($seenfirstline) {
284 my ($k,$v)=split /=/,$ln,2;
285 if ($k eq 'TimeDate') {
286 $info->{'DateTime'} =
287 strftime("%Y:%m:%d %H:%M:%S", localtime($v))
289 } elsif ($k eq 'Shutter') {
290 $info->{'ExposureTime'} = '1/'.int(1000000/$v+.5);
291 } elsif ($k eq 'Flash') {
292 $info->{'Flash'} = $v?'Flash fired':'Flash did not fire';
293 } elsif ($k eq 'Type') {
294 $info->{'Model'} = $v;
295 } elsif ($k eq 'Version') {
296 $info->{'Software'} = $v;
297 } elsif ($k eq 'Fnumber') {
298 $info->{'FNumber'} = $v;
305 my $fullpath = $self->{-fullpath};
306 for my $subdir(@sizes, 'html') {
307 my $tdir=sprintf "%s/.%s",$self->{-fullpath},$subdir;
308 mkdir($tdir,0755) unless ( -d $tdir );
315 my $fullpath = $self->{-fullpath};
318 if (open($T,'<'.$fullpath.'/.title')) {
320 $title =~ s/[\r\n]*$//;
323 if ($asktitle || (!$title && !$noasktitle)) {
324 my $prompt = $self->{-base};
325 $prompt = '/' unless ($prompt);
326 my $OUT = $term->OUT || \*STDOUT;
327 print $OUT "Enter title for $fullpath\n";
328 $title = $term->readline($prompt.' >',$title);
329 $term->addhistory($title) if ($title);
330 if (open($T,'>'.$fullpath.'/.title')) {
331 print $T $title,"\n";
336 $title=substr($fullpath,length($self->{-root}));
338 $self->{-title}=$title;
339 print "title in $fullpath is $title\n" if ($debug);
344 my $fn = $self->{-fullpath};
345 my $name = $self->{-base};
346 my $dn = $self->{-parent}->{-fullpath};
347 my ($w, $h) = dim($self->{-info});
348 my $max = ($w > $h)?$w:$h;
350 foreach my $size(@sizes) {
351 my $nref = '.'.$size.'/'.$name;
352 my $nfn = $dn.'/'.$nref;
353 my $factor=$size/$max;
355 $self->{$size} = $name; # unscaled version will do
357 $self->{$size} = $nref;
358 if (isnewer($fn,$nfn)) {
359 doscaling($fn,$nfn,$factor,$w,$h);
366 my ($fn1,$fn2) = @_; # this is not a method
367 my @stat1=stat($fn1);
368 my @stat2=stat($fn2);
369 return (!@stat2 || ($stat1[9] > $stat2[9]));
370 # true if $fn2 is absent or is older than $fn1
374 my ($src,$dest,$factor,$w,$h) = @_; # this is not a method
378 my $im = new Image::Magick;
379 print "doscaling $src -> $dest by $factor\n" if ($debug);
380 if ($err = $im->Read($src)) {
381 warn "ImageMagick: read \"$src\": $err";
383 $im->Scale(width=>$w*$factor,height=>$h*$factor);
384 $err=$im->Write($dest);
385 warn "ImageMagick: write \"$dest\": $err" if ($err);
389 if ($err) { # fallback to command-line tools
390 system("djpeg \"$src\" | pnmscale \"$factor\" | cjpeg >\"$dest\"");
396 my $name = $self->{-base};
397 my $dn = $self->{-parent}->{-fullpath};
398 my $pref = $self->{-previmg}->{-base};
399 my $nref = $self->{-nextimg}->{-base};
400 my $inc = $self->{-inc};
401 my $title = $self->{-info}->{'Comment'};
402 $title = $name unless ($title);
404 print "slide: \"$title\": \"$pref\"->\"$name\"->\"$nref\"\n" if ($debug);
407 for my $refresh('static', 'slide') {
408 my $fn = sprintf("%s/.html/%s-%s.html",$dn,$name,$refresh);
409 if (isnewer($self->{-fullpath},$fn)) {
410 my $imgsrc = '../'.$self->{$sizes[1]};
414 $fwdref = sprintf("%s-%s.html",$nref,$refresh);
416 $fwdref = '../index.html';
419 $bakref = sprintf("%s-%s.html",$pref,$refresh);
421 $bakref = '../index.html';
425 if ($refresh eq 'slide') {
426 $toggleref=sprintf("%s-static.html",$name);
427 $toggletext = 'Stop!';
429 $toggleref=sprintf("%s-slide.html",$name);
430 $toggletext = 'Play->';
433 unless (open($F,'>'.$fn)) {
434 warn "cannot open \"$fn\": $!";
437 binmode($F, ":utf8");
438 if ($refresh eq 'slide') {
443 -head=>meta({-http_equiv=>'Refresh',
444 -content=>"3; url=$fwdref"}),
445 -style=>{-src=>$inc."gallery.css"},
449 print $F start_html(-title=>$title,
452 -style=>{-src=>$inc."gallery.css"},
455 print $F start_center,"\n",
457 start_table({-class=>'navi'}),start_Tr,"\n",
458 td(a({-href=>"../index.html"},"Index")),"\n",
459 td(a({-href=>$bakref},"<<Prev")),"\n",
460 td(a({-href=>$toggleref},$toggletext)),"\n",
461 td(a({-href=>$fwdref},"Next>>")),"\n",
464 table({-class=>'picframe'},
465 Tr(td(img({-src=>$imgsrc})))),"\n",
473 my $fn = sprintf("%s/.html/%s-info.html",$dn,$name);
474 if (isnewer($self->{-fullpath},$fn)) {
476 unless (open($F,'>'.$fn)) {
477 warn "cannot open \"$fn\": $!";
480 my $imgsrc = sprintf("../.%s/%s",$sizes[0],$name);
481 print $F start_html(-title=>$title,
483 -style=>{-src=>$inc."gallery.css"},),"\n",
486 table({-class=>'ipage'},
487 Tr(td(img({-src=>$imgsrc})),
488 td($self->infotable))),
489 a({-href=>'../index.html'},'Index'),"\n",
498 my $fn = $self->{-fullpath}.'/index.html';
499 my $block = $self->{-fullpath}.'/.noindex';
500 $fn = '/dev/null' if ( -f $block );
502 unless (open($IND,'>'.$fn)) {
503 warn "cannot open $fn: $!";
506 binmode($IND, ":utf8");
507 $self->{-IND} = $IND;
509 my $inc = $self->{-inc};
510 my $title = $self->{-title};
511 print $IND start_html(-title => $title,
513 -style=>{-src=>[$inc."gallery.css",
514 $inc."lightbox.css"]},
515 -script=>[{-code=>"var incPrefix='$inc';"},
516 {-src=>$inc."gallery.js"},
517 {-src=>$inc."lightbox.js"}]),
518 a({-href=>"../index.html"},"UP"),"\n",
526 my $IND = $self->{-IND};
528 print $IND end_center,end_html,"\n";
530 close($IND) if ($IND);
536 my $IND = $self->{-IND};
538 print $IND h2("Albums"),"\n",start_table,"\n";
543 my $IND = $self->{-parent}->{-IND};
544 my $name = $self->{-base};
545 my $title = $self->{-title};
547 print $IND Tr(td(a({-href=>$name.'/index.html'},$name)),
548 td(a({-href=>$name.'/index.html'},$title))),"\n";
553 my $IND = $self->{-IND};
555 print $IND end_table,"\n",br({-clear=>'all'}),hr,"\n\n";
560 my $IND = $self->{-IND};
561 my $first = $self->{-firstimg}->{-base};
562 my $slideref = sprintf(".html/%s-slide.html",$first);
564 print $IND h2("Images"),"\n",
565 a({-href=>$slideref},'Slideshow'),
571 my $IND = $self->{-parent}->{-IND};
572 my $name = $self->{-base};
573 my $title = $self->{-info}->{'Comment'};
574 $title = $name unless ($title);
575 my $thumb = $self->{$sizes[0]};
576 my $medium = $self->{$sizes[1]};
577 my $info = $self->{-info};
578 my ($w, $h) = dim($info);
580 print $IND start_div({-class=>'ibox',-id=>$name,
581 -OnClick=>"HideIbox('$name');"}),"\n",
582 start_div({-class=>'iboxtitle'}),
583 span({-style=>'float: left;'},b("Info for $name")),
584 span({-style=>'float: right;'},
585 a({-href=>"#",-OnClick=>"HideIbox('$name');"},"Close")),
586 br({-clear=>'all'}),"\n",
591 print $IND table({-class=>'slide'},Tr(td(
592 a({-href=>".html/$name-info.html",-title=>'Image Info',
593 -onClick=>"return showIbox('$name');"},$title),
595 a({-href=>$medium,-rel=>"lightbox",-title=>$title},
596 img({-src=>$thumb})),
598 a({-href=>$name,-title=>'Original Image'},"($w x $h)"),
604 my $IND = $self->{-IND};
606 print $IND br({-clear=>'all'}),hr,"\n\n";
611 my $info = $self->{-info};
628 $msg.=start_table({-class=>'infotable'})."\n";
629 foreach my $k(@infokeys) {
630 $msg.=Tr(td($k.":"),td($info->{$k}))."\n" if ($info->{$k});
632 $msg.=end_table."\n";