#!/usr/bin/perl
+# $Id$
+
+# Recursively create image gallery index and slideshow wrappings.
+# Makes use of (slightly modified) "lightbox" Javascript/CSS as published
+# at http://www.huddletogether.com/projects/lightbox/
+
+# Copyright (c) 2006 Eugene G. Crosser
+
+# This software is provided 'as-is', without any express or implied
+# warranty. In no event will the authors be held liable for any damages
+# arising from the use of this software.
+#
+# Permission is granted to anyone to use this software for any purpose,
+# including commercial applications, and to alter it and redistribute it
+# freely, subject to the following restrictions:
+#
+# 1. The origin of this software must not be misrepresented; you must not
+# claim that you wrote the original software. If you use this software
+# in a product, an acknowledgment in the product documentation would be
+# appreciated but is not required.
+# 2. Altered source versions must be plainly marked as such, and must not be
+# misrepresented as being the original software.
+# 3. This notice may not be removed or altered from any source distribution.
+
+package FsObj;
+
use strict;
use Carp;
use POSIX qw/getcwd/;
use CGI qw/:html *table *center *div/;
use Image::Info qw/image_info dim/;
+use Term::ReadLine;
+use Getopt::Long;
+
use Image::Magick;
-my $ask=1;
-my $startdir=getcwd;
+my @sizes = (160, 640);
######################################################################
-&processdir($startdir);
+my $debug = 0;
+my $asktitle = 0;
+my $noasktitle = 0;
+
+GetOptions('asktitle'=>\$asktitle,
+ 'noasktitle'=>\$noasktitle,
+ 'debug'=>\$debug);
+
+my $term = new Term::ReadLine "Edit Title";
+
+FsObj->new(getcwd)->iterate;
+
+sub new {
+ my $this = shift;
+ my $class;
+ my $self;
+ if (ref($this)) {
+ $class = ref($this);
+ my $parent = $this;
+ my $name = shift;
+ my $fullpath = $parent->{-fullpath}.'/'.$name;
+ $self = {
+ -parent=>$parent,
+ -root=>$parent->{-root},
+ -base=>$name,
+ -fullpath=>$fullpath,
+ -inc=>'../'.$parent->{-inc},
+ };
+ } else {
+ $class = $this;
+ my $root=shift;
+ $self = {
+ -root=>$root,
+ -fullpath=>$root,
+ -inc=>getinc($root),
+ };
+ }
+ bless $self, $class;
+ if ($debug) {
+ print "new $class:\n";
+ foreach my $k(keys %$self) {
+ print "\t$k\t=\t$self->{$k}\n";
+ }
+ }
+ return $self;
+}
+
+sub getinc {
+ my $fullpath=shift; # this is not a method
+ my $depth=20; # arbitrary max depth
+
+ my $inc=".include";
+ while ( ! -d $fullpath."/".$inc ) {
+ $inc = "../".$inc;
+ last unless ($depth-- > 0);
+ }
+ if ($depth > 0) {
+ return $inc.'/'; # prefix with trailing slash
+ } else {
+ return 'NO-.INCLUDE-IN-PATH/'; # won't work anyway
+ }
+}
+
+sub iterate {
+ my $self = shift;
+ my $fullpath .= $self->{-fullpath};
+ print "iterate in dir $fullpath\n" if ($debug);
+
+ my @rdirlist;
+ my @rimglist;
+ my $D;
+ unless (opendir($D,$fullpath)) {
+ warn "cannot opendir $fullpath: $!";
+ return;
+ }
+ while (my $de = readdir($D)) {
+ next if ($de =~ /^\./);
+ my $child = $self->new($de);
+ if ($child->isdir) {
+ push(@rdirlist,$child);
+ } elsif ($child->isimg) {
+ push(@rimglist,$child);
+ }
+ }
+ closedir($D);
+ my @dirlist = sort {$a->{-base} cmp $b->{-base}} @rdirlist;
+ undef @rdirlist; # inplace sorting would be handy here
+ my @imglist = sort {$a->{-base} cmp $b->{-base}} @rimglist;
+ undef @rimglist; # optimize away unsorted versions
+
+ print "Dir: $self->{-fullpath}\n" if ($debug);
+
+# 1. first of all, fill title for this directory and create hidden subdirs
+
+ $self->initdir;
+
+# 2. recurse into subdirectories to get their titles filled
+# before we start writing out subalbum list
+
+ foreach my $dir(@dirlist) {
+ $dir->iterate;
+ }
+
+# 3. iterate through images to build cross-links,
+
+ my $previmg = undef;
+ foreach my $img(@imglist) {
+ # list-linking must be done before generating
+ # aux html because aux pages rely on prev/next refs
+ if ($previmg) {
+ $previmg->{-nextimg} = $img;
+ $img->{-previmg} = $previmg;
+ }
+ $previmg=$img;
+ }
+
+# 4. create scaled versions and aux html pages
+
+ foreach my $img(@imglist) {
+ # scaled versions must be generated before aux html
+ # and main image index because they both rely on
+ # refs to scaled images and they may be just original
+ # images, this is not known before we try scaling.
+ $img->makescaled;
+ # finally, make aux html pages
+ $img->makeaux;
+ }
+
+# 5. start building index.html for the directory
+
+ $self->startindex;
+
+# 6. iterate through subdirectories to build subalbums list
+
+ if (@dirlist) {
+ $self->startsublist;
+ foreach my $dir(@dirlist) {
+ $dir->sub_entry;
+ }
+ $self->endsublist;
+ }
+
+# 7. iterate through images to build thumb list
+
+ if (@imglist) {
+ $self->startimglist;
+ foreach my $img(@imglist) {
+ print "Img: $img->{-fullpath}\n" if ($debug);
+ $img->img_entry;
+ }
+ $self->endimglist;
+ }
+
+# 8. comlplete building index.html for the directory
+
+ $self->endindex;
+}
+
+sub isdir {
+ my $self = shift;
+ return ( -d $self->{-fullpath} );
+}
+
+sub isimg {
+ my $self = shift;
+ my $fullpath = $self->{-fullpath};
+ return 0 unless ( -f $fullpath );
+ my $info = image_info($fullpath);
+ if (my $error = $info->{error}) {
+ if (($error !~ "Unrecognized file format") &&
+ ($error !~ "Can't read head")) {
+ warn "File \"$fullpath\": $error\n";
+ }
+ return 0;
+ }
+ $self->{-isimg} = 1;
+ $self->{-info} = $info;
+ return 1;
+}
+
+sub initdir {
+ my $self = shift;
+ my $fullpath = $self->{-fullpath};
+ for my $subdir(@sizes, 'html') {
+ my $tdir=sprintf "%s/.%s",$self->{-fullpath},$subdir;
+ mkdir($tdir,0755) unless ( -d $tdir );
+ }
+ $self->edittitle;
+}
+
+sub edittitle {
+ my $self = shift;
+ my $fullpath = $self->{-fullpath};
+ my $title;
+ my $T;
+ if (open($T,'<'.$fullpath.'/.title')) {
+ $title = <$T>;
+ $title =~ s/[\r\n]*$//;
+ close($T);
+ }
+ if ($asktitle || (!$title && !$noasktitle)) {
+ my $prompt = $self->{-base};
+ $prompt = '/' unless ($prompt);
+ my $OUT = $term->OUT || \*STDOUT;
+ print $OUT "Enter title for $fullpath\n";
+ $title = $term->readline($prompt.' >',$title);
+ $term->addhistory($title) if ($title);
+ if (open($T,'>'.$fullpath.'/.title')) {
+ print $T $title,"\n";
+ close($T);
+ }
+ }
+ unless ($title) {
+ $title=substr($fullpath,length($self->{-root}));
+ }
+ $self->{-title}=$title;
+ print "title in $fullpath is $title\n" if ($debug);
+}
+
+sub makescaled {
+ my $self = shift;
+ my $fn = $self->{-fullpath};
+ my $name = $self->{-base};
+ my $dn = $self->{-parent}->{-fullpath};
+ my ($w, $h) = dim($self->{-info});
+ my $max = ($w > $h)?$w:$h;
+
+ foreach my $size(@sizes) {
+ my $nref = '.'.$size.'/'.$name;
+ my $nfn = $dn.'/'.$nref;
+ my $factor=$size/$max;
+ if ($factor >= 1) {
+ $self->{$size} = $name; # unscaled version will do
+ } else {
+ $self->{$size} = $nref;
+ if (isnewer($fn,$nfn)) {
+ doscaling($fn,$nfn,$factor,$w,$h);
+ }
+ }
+ }
+}
+
+sub isnewer {
+ my ($fn1,$fn2) = @_; # this is not a method
+ my @stat1=stat($fn1);
+ my @stat2=stat($fn2);
+ return (!@stat2 || ($stat1[9] > $stat2[9]));
+ # true if $fn2 is absent or is older than $fn1
+}
+
+sub doscaling {
+ my ($src,$dest,$factor,$w,$h) = @_; # this is not a method
+ my $im = new Image::Magick;
+ my $err;
+ print "doscaling $src -> $dest by $factor\n" if ($debug);
+ $err = $im->Read($src);
+ unless ($err) {
+ $im->Scale(width=>$w*$factor,height=>$h*$factor);
+ $err=$im->Write($dest);
+ warn "ImageMagick: write \"$dest\": $err" if ($err);
+ } else { # fallback to command-line tools
+ warn "ImageMagick: read \"$src\": $err";
+ system("djpeg \"$src\" | pnmscale \"$factor\" | cjpeg >\"$dest\"");
+ }
+ undef $im;
+}
+
+sub makeaux {
+ my $self = shift;
+ my $name = $self->{-base};
+ my $dn = $self->{-parent}->{-fullpath};
+ my $pref = $self->{-previmg}->{-base};
+ my $nref = $self->{-nextimg}->{-base};
+ my $inc = $self->{-inc};
+ my $title = $self->{-info}->{'Comment'};
+ $title = $name unless ($title);
+
+ print "slide: \"$pref\"->\"$name\"->\"$nref\"\n" if ($debug);
+
+ # slideshow
+ for my $refresh('static', 'slide') {
+ my $fn = sprintf("%s/.html/%s-%s.html",$dn,$name,$refresh);
+ my $bakref = sprintf("%s-%s.html",$pref,$refresh);
+ my $fwdref = sprintf("%s-%s.html",$nref,$refresh);
+ my $imgsrc = sprintf("../.%s/%s",$sizes[1],$name);
+ my $toggleref;
+ my $toggletext;
+ if ($refresh eq 'slide') {
+ $toggleref=sprintf("%s-static.html",$name);
+ $toggletext = 'Stop!';
+ } else {
+ $toggleref=sprintf("%s-slide.html",$name);
+ $toggletext = 'Play->';
+ }
+ my $F;
+ unless (open($F,'>'.$fn)) {
+ warn "cannot open \"$fn\": $!";
+ next;
+ }
+ if ($refresh eq 'slide') {
+ print $F start_html(-title=>$title,
+ -bgcolor=>"#808080",
+ -head=>meta({-http_equiv=>'Refresh',
+ -content=>"3; url=$fwdref"}),
+ -style=>{-src=>$inc."gallery.css"},
+ ),"\n";
+
+ } else {
+ print $F start_html(-title=>$title,
+ -bgcolor=>"#808080",
+ -style=>{-src=>$inc."gallery.css"},
+ ),"\n";
+ }
+ print $F start_center,"\n",
+ h1($title),
+ a({-href=>"../index.html"},"Index")," | ",
+ a({-href=>$bakref},"<<Prev")," | ",
+ a({-href=>$toggleref},$toggletext)," | ",
+ a({-href=>$fwdref},"Next>>"),
+ p,
+ img({-src=>$imgsrc}),"\n",
+ end_center,"\n",
+ end_html,"\n";
+ close($F);
+ }
+}
+
+sub startindex {
+ my $self = shift;
+ my $fn = $self->{-fullpath}.'/index.html';
+ my $IND;
+ unless (open($IND,'>'.$fn)) {
+ warn "cannot open $fn: $!";
+ return;
+ }
+ $self->{-IND} = $IND;
+
+ my $inc = $self->{-inc};
+ my $title = $self->{-title};
+ print $IND start_html(-title => $title,
+ -style=>{-src=>[$inc."gallery.css",
+ $inc."lightbox.css"]},
+ -script=>[{-code=>"var incPrefix='$inc';"},
+ {-src=>$inc."gallery.js"},
+ {-src=>$inc."lightbox.js"}]),
+ a({-href=>"../index.html"},"UP"),"\n",
+ start_center,"\n",
+ h1($title),"\n",
+ "\n";
+}
+
+sub endindex {
+ my $self = shift;
+ my $IND = $self->{-IND};
+
+ print $IND end_center,end_html,"\n";
+
+ close($IND) if ($IND);
+ undef $self->{-IND};
+}
+
+sub startsublist {
+ my $self = shift;
+ my $IND = $self->{-IND};
+
+ print $IND h2("Albums"),"\n",start_table,"\n";
+}
+
+sub sub_entry {
+ my $self = shift;
+ my $IND = $self->{-parent}->{-IND};
+ my $name = $self->{-base};
+ my $title = $self->{-title};
+
+ print $IND Tr(td(a({-href=>$name.'/index.html'},$name)),
+ td(a({-href=>$name.'/index.html'},$title))),"\n";
+}
+
+sub endsublist {
+ my $self = shift;
+ my $IND = $self->{-IND};
+
+ print $IND end_table,"\n",br({-clear=>'all'}),hr,"\n\n";
+}
+
+sub startimglist {
+ my $self = shift;
+ my $IND = $self->{-IND};
+
+ print $IND h2("Images"),"\n";
+}
+
+sub img_entry {
+ my $self = shift;
+ my $IND = $self->{-parent}->{-IND};
+ my $name = $self->{-base};
+
+ print $IND a({-href=>$name},$name),"\n";
+}
+
+sub endimglist {
+ my $self = shift;
+ my $IND = $self->{-IND};
+
+ print $IND br({-clear=>'all'}),hr,"\n\n";
+}
+
+######################################################################
+=cut
+######################################################################
+
+&processdir(getcwd);
sub processdir {
my ($start,$dir)=@_;
# write HTML header
- print start_html(-title => $title,
-style=>{-src=>[$inc."gallery.css",
$inc."lightbox.css"]},
-script=>[{-code=>"var incPrefix='$inc';"},
{-src=>$inc."gallery.js"},
{-src=>$inc."lightbox.js"}]),"\n";
- print a({-href=>"../"},"UP");
+ print a({-href=>"../index.html"},"UP");
print start_center,"\n";
print h1($title),"\n";
# create picture gallery
+ my @piclist=();
+ my @infolist=();
+
my $haspics=0;
&iteratedir($D,$start,$dir,sub {
my ($start,$dir,$base)=@_;
my $en=sprintf("%s/%s/%s",$start,$dir,$base);
return unless ( -f $en );
- $haspics=1 if (&processfile($start,$dir,$base,$en));
+ my $info = image_info($en);
+ if (my $error = $info->{error}) {
+ if (($error !~ "Unrecognized file format") &&
+ ($error !~ "Can't read head")) {
+ print STDERR "File \"$en\": $error\n";
+ }
+ return;
+ }
+ if (&processfile($start,$dir,$base,$en,$info)) {
+ $haspics=1;
+ push(@piclist,$base);
+ push(@infolist,$info);
+ }
});
# write HTML footer
print br({-clear=>"all"}),"\n";
+ print a({-href=>".html/".$piclist[0]."-slide.html"},"Slideshow");
print hr,"\n" if ($haspics);
print end_center,"\n";
print end_html,"\n";
close(STDOUT);
closedir($D);
+
+# generate html files for slideshow from @piclist
+
+ for (my $i=0;$i<=$#piclist;$i++) {
+ my $base=$piclist[$i];
+ my $pbase;
+ my $nbase;
+ $pbase=$piclist[$i-1] if ($i>0);
+ $nbase=$piclist[$i+1] if ($i<$#piclist);
+ for my $refresh('static','slide') {
+ &mkauxfile($start,$dir,$pbase,$base,$nbase,
+ $refresh,$infolist[$i]);
+ }
+ }
+
}
#############################################################
my ($base,$title)=@_;
print Tr({-bgcolor=>"#c0c0c0"},
- td(a({-href=>$base."/"},$base)),
- td(a({-href=>$base."/"},$title))),"\n";
+ td(a({-href=>$base."/index.html"},$base)),
+ td(a({-href=>$base."/index.html"},$title))),"\n";
}
sub processfile {
- my ($start,$dir,$base,$fn)=@_;
+ my ($start,$dir,$base,$fn,$info)=@_;
- my $info = image_info($fn);
- if (my $error = $info->{error}) {
- if (($error !~ "Unrecognized file format") &&
- ($error !~ "Can't read head")) {
- print STDERR "File \"$fn\": $error\n";
- }
- return 0;
- }
my ($w,$h) = dim($info);
my $title=$info->{'Comment'};
$title=$base unless ($title);
my $medium=&scale($start,$dir,$base,$fn,640,$info);
print &infobox($info,$base,$fn),"\n";
print table({-class=>'slide'},Tr(td(
- a({-href=>".info/$base.html",
+ a({-href=>".html/$base-info.html",
-onClick=>"return showIbox('$base');"},$title),
br,
a({-href=>$medium,-rel=>"lightbox",-title=>$title},
br,
a({-href=>$base},"($w x $h)"),
br))),"\n";
- #for my $k(keys %$info) {
- # print "\t$k:\t$info->{$k}<br>\n";
- #}
return 1;
}
return $msg;
}
+sub mkauxfile {
+ my ($start,$dir,$pbase,$base,$nbase,$refresh,$info) =@_;
+ my $en=sprintf("%s/%s/.html/%s-%s.html",$start,$dir,$base,$refresh);
+ my $pref;
+ my $nref;
+ if ($pbase) {
+ $pref=sprintf("%s-%s.html",$pbase,$refresh);
+ } else {
+ $pref="../index.html";
+ }
+ if ($nbase) {
+ $nref=sprintf("%s-%s.html",$nbase,$refresh);
+ } else {
+ $nref="../index.html";
+ }
+ my $toggle;
+ my $toggleref;
+ if ($refresh eq 'slide') {
+ $toggle='Stop!';
+ $toggleref=sprintf("%s-static.html",$base);
+ } else {
+ $toggle='Play->';
+ $toggleref=sprintf("%s-slide.html",$base);
+ }
+
+ my $tdir=sprintf "%s/%s/.html",$start,$dir;
+ mkdir($tdir,0755) unless ( -d $tdir );
+
+ unless (open(STDOUT,">".$en)) {
+ warn "cannot open $en: $!";
+ return;
+ }
+ my $title=$info->{'Comment'};
+ $title=$base unless ($title);
+ if ($refresh eq 'slide') {
+ print start_html(-title=>$title,
+ -bgcolor=>"#808080",
+ -head=>meta({-http_equiv=>'Refresh',
+ -content=>"3; url=$nref"})),"\n";
+ } else {
+ print start_html(-title=>$title,
+ -bgcolor=>"#808080"),"\n";
+ }
+ print start_center,"\n";
+ print h1($title);
+ print a({-href=>"../index.html"},"Index")," | ";
+ print a({-href=>$pref},"<<Prev")," | ";
+ print a({-href=>$toggleref},$toggle)," | ";
+ print a({-href=>$nref},"Next>>");
+ print p;
+ print img({-src=>"../.640/".$base}),"\n";
+ print end_center,"\n";
+ print end_html,"\n";
+ close(STDOUT);
+}
+
sub scale {
my ($start,$dir,$base,$fn,$tsize,$info)=@_;
my ($w,$h) = dim($info);