]> www.average.org Git - mkgallery.git/blobdiff - mkgallery.pl
implement slideshow files
[mkgallery.git] / mkgallery.pl
index 506e398152b0bb51bea37a0ff7909619cae7cc18..385342ca0bcfa9b10dc13577fe7e186a0601c57d 100755 (executable)
 #!/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);
+
+######################################################################
+
+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-&gt;';
+               }
+               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=>$bakref},"&lt;&lt;Prev")," | ",
+                       a({-href=>$toggleref},$toggletext)," | ",
+                       a({-href=>$fwdref},"Next&gt;&gt;"),
+                       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($startdir);
+&processdir(getcwd);
 
 sub processdir {
        my ($start,$dir)=@_;
@@ -57,13 +496,12 @@ sub processdir {
 
 # 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";
 
@@ -110,6 +548,7 @@ sub processdir {
 # 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";
@@ -199,8 +638,8 @@ sub subalbum {
        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 {
@@ -264,12 +703,21 @@ sub mkauxfile {
        if ($pbase) {
                $pref=sprintf("%s-%s.html",$pbase,$refresh);
        } else {
-               $pref="../";
+               $pref="../index.html";
        }
        if ($nbase) {
                $nref=sprintf("%s-%s.html",$nbase,$refresh);
        } else {
-               $nref="../";
+               $nref="../index.html";
+       }
+       my $toggle;
+       my $toggleref;
+       if ($refresh eq 'slide') {
+               $toggle='Stop!';
+               $toggleref=sprintf("%s-static.html",$base);
+       } else {
+               $toggle='Play-&gt;';
+               $toggleref=sprintf("%s-slide.html",$base);
        }
 
        my $tdir=sprintf "%s/%s/.html",$start,$dir;
@@ -283,12 +731,22 @@ sub mkauxfile {
        $title=$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=>$title),"\n";
+               print start_html(-title=>$title,
+                               -bgcolor=>"#808080"),"\n";
        }
-       print img({-src=>"../.640/".$base});
+       print start_center,"\n";
+       print h1($title);
+       print a({-href=>"../index.html"},"Index")," | ";
+       print a({-href=>$pref},"&lt;&lt;Prev")," | ";
+       print a({-href=>$toggleref},$toggle)," | ";
+       print a({-href=>$nref},"Next&gt;&gt;");
+       print p;
+       print img({-src=>"../.640/".$base}),"\n";
+       print end_center,"\n";
        print end_html,"\n";
        close(STDOUT);
 }