use strict;
use Carp;
-use POSIX qw/getcwd/;
-use CGI qw/:html *table *center *div/;
+use POSIX qw/getcwd strftime/;
+use CGI qw/:html *table *Tr *center *div *Link/;
use Image::Info qw/image_info dim/;
use Term::ReadLine;
use Getopt::Long;
+use Encode;
+use encoding 'utf-8';
+binmode(STDOUT, ":utf8");
-use Image::Magick;
+my $haveimagick = eval { require Image::Magick; };
+{ package Image::Magick; } # to make perl compiler happy
+
+my $haverssxml = eval { require XML::RSS; };
+{ package XML::RSS; } # to make perl compiler happy
my @sizes = (160, 640);
######################################################################
+my $incpath;
+my $rssobj;
my $debug = 0;
my $asktitle = 0;
my $noasktitle = 0;
+my $rssfile = "";
+
+charset("utf-8");
-GetOptions('asktitle'=>\$asktitle,
+unless (GetOptions(
+ 'help'=>\&help,
+ 'incpath'=>\$incpath,
+ 'asktitle'=>\$asktitle,
'noasktitle'=>\$noasktitle,
- 'debug'=>\$debug);
+ 'rssfile=s'=>\$rssfile,
+ 'debug'=>\$debug)) {
+ &help;
+}
+
+if ($rssfile && ! $haverssxml) {
+ print STDERR "You need to get XML::RSS from CPAN to use --rssfile\n";
+ exit 1;
+}
my $term = new Term::ReadLine "Edit Title";
FsObj->new(getcwd)->iterate;
+if ($rssobj) {
+ my $itemstodel = @{$rssobj->{'rss'}->{'items'}} - 15;
+ while ($itemstodel-- > 0) {
+ pop(@{$rssobj->{'rss'}->{'items'}})
+ }
+ $rssobj->{'rss'}->save($rssobj->{'file'});
+}
+
+sub help {
+
+ print STDERR <<__END__;
+usage: $0 [options]
+ --help: print help message and exit
+ --incpath: do not try to find .include diretory upstream, use
+ specified path (absolute or relavive). Use with causion.
+ --debug: print a lot of debugging info to stdout as you run
+ --asktitle: ask to edit album titles even if there are ".title" files
+ --noasktitle: don't ask to enter album titles even where ".title"
+ files are absent. Use partial directory names as titles.
+ --rssfile=...: build RSS feed for newly added "albums", give name of rss file
+__END__
+
+ exit 1;
+}
+
sub new {
my $this = shift;
my $class;
-base=>$name,
-fullpath=>$fullpath,
-inc=>'../'.$parent->{-inc},
+ -rss=>'../'.$parent->{-rss},
};
} else {
$class = $this;
-root=>$root,
-fullpath=>$root,
-inc=>getinc($root),
+ -rss=>getrss($root),
};
}
bless $self, $class;
my $fullpath=shift; # this is not a method
my $depth=20; # arbitrary max depth
+ if ($incpath) {
+ return $incpath."/.include";
+ }
+
my $inc=".include";
while ( ! -d $fullpath."/".$inc ) {
$inc = "../".$inc;
}
}
+sub getrss {
+ my $fullpath=shift; # this is not a method
+ my $depth=20; # arbitrary max depth
+
+ return "" unless $rssfile;
+
+ my $rss=$rssfile;
+ while ( ! -f $fullpath."/".$rss ) {
+ $rss = "../".$rss;
+ last unless ($depth-- > 0);
+ }
+ if ($depth > 0) {
+ $rssobj->{'file'} = $rss;
+ $rssobj->{'rss'} = new XML::RSS (version=>2);
+ $rssobj->{'rss'}->parsefile($rss);
+ return $rss;
+ } else {
+ print STDERR "There is no $rssfile in this or parent ".
+ "directories, you must create one with mkgalrss.pl\n";
+ exit 1;
+ }
+}
+
sub iterate {
my $self = shift;
my $fullpath .= $self->{-fullpath};
print "iterate in dir $fullpath\n" if ($debug);
+ my $youngest=0;
my @rdirlist;
my @rimglist;
my $D;
while (my $de = readdir($D)) {
next if ($de =~ /^\./);
my $child = $self->new($de);
+ my @stat = stat($child->{-fullpath});
+ $youngest = $stat[9] if ($youngest < $stat[9]);
if ($child->isdir) {
push(@rdirlist,$child);
} elsif ($child->isimg) {
undef @rdirlist; # inplace sorting would be handy here
my @imglist = sort {$a->{-base} cmp $b->{-base}} @rimglist;
undef @rimglist; # optimize away unsorted versions
+ $self->{-firstimg} = $imglist[0];
print "Dir: $self->{-fullpath}\n" if ($debug);
$img->makeaux;
}
+# no need to go beyond this point if the directory timestamp did not
+# change since we built index.html file last time.
+
+ my @istat = stat($self->{-fullpath}.'/index.html');
+ return unless ($youngest > $istat[9]);
+
# 5. start building index.html for the directory
$self->startindex;
}
return 0;
}
+
+ tryapp12($info) unless ($info->{'ExifVersion'});
+
$self->{-isimg} = 1;
$self->{-info} = $info;
return 1;
}
+sub tryapp12 {
+ my $info = shift; # this is not a method
+ my $app12;
+ # dirty hack to take care of Image::Info parser strangeness
+ foreach my $k(keys %$info) {
+ $app12=substr($k,6).$info->{$k} if ($k =~ /^App12-/);
+ }
+ return unless ($app12); # bad luck
+ my $seenfirstline=0;
+ foreach my $ln(split /[\r\n]+/,$app12) {
+ $ln =~ s/[[:^print:]\000]/ /g;
+ unless ($seenfirstline) {
+ $seenfirstline=1;
+ $info->{'Make'}=$ln;
+ next;
+ }
+ my ($k,$v)=split /=/,$ln,2;
+ if ($k eq 'TimeDate') {
+ $info->{'DateTime'} =
+ strftime("%Y:%m:%d %H:%M:%S", localtime($v))
+ unless ($v < 0);
+ } elsif ($k eq 'Shutter') {
+ $info->{'ExposureTime'} = '1/'.int(1000000/$v+.5);
+ } elsif ($k eq 'Flash') {
+ $info->{'Flash'} = $v?'Flash fired':'Flash did not fire';
+ } elsif ($k eq 'Type') {
+ $info->{'Model'} = $v;
+ } elsif ($k eq 'Version') {
+ $info->{'Software'} = $v;
+ } elsif ($k eq 'Fnumber') {
+ $info->{'FNumber'} = $v;
+ }
+ }
+}
+
sub initdir {
my $self = shift;
my $fullpath = $self->{-fullpath};
sub doscaling {
my ($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";
+
+ my $err=1;
+ if ($haveimagick) {
+ my $im = new Image::Magick;
+ print "doscaling $src -> $dest by $factor\n" if ($debug);
+ if ($err = $im->Read($src)) {
+ warn "ImageMagick: read \"$src\": $err";
+ } else {
+ $im->Scale(width=>$w*$factor,height=>$h*$factor);
+ $err=$im->Write($dest);
+ warn "ImageMagick: write \"$dest\": $err" if ($err);
+ }
+ undef $im;
+ }
+ if ($err) { # fallback to command-line tools
system("djpeg \"$src\" | pnmscale \"$factor\" | cjpeg >\"$dest\"");
}
- undef $im;
}
sub makeaux {
my $title = $self->{-info}->{'Comment'};
$title = $name unless ($title);
- print "slide: \"$pref\"->\"$name\"->\"$nref\"\n" if ($debug);
+ print "slide: \"$title\": \"$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,
+ if (isnewer($self->{-fullpath},$fn)) {
+ my $imgsrc = '../'.$self->{$sizes[1]};
+ my $fwdref;
+ my $bakref;
+ if ($nref) {
+ $fwdref = sprintf("%s-%s.html",$nref,$refresh);
+ } else {
+ $fwdref = '../index.html';
+ }
+ if ($pref) {
+ $bakref = sprintf("%s-%s.html",$pref,$refresh);
+ } else {
+ $bakref = '../index.html';
+ }
+ 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\": $!";
+ next;
+ }
+ binmode($F, ":utf8");
+ if ($refresh eq 'slide') {
+ print $F start_html(
+ -encoding=>"utf-8",
+ -title=>$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,
+ ),"\n";
+
+ } else {
+ print $F start_html(-title=>$title,
+ -encoding=>"utf-8",
-bgcolor=>"#808080",
-style=>{-src=>$inc."gallery.css"},
- ),"\n";
+ ),"\n";
+ }
+ print $F start_center,"\n",
+ h1($title),"\n",
+ start_table({-class=>'navi'}),start_Tr,"\n",
+ td(a({-href=>"../index.html"},"Index")),"\n",
+ td(a({-href=>$bakref},"<<Prev")),"\n",
+ td(a({-href=>$toggleref},$toggletext)),"\n",
+ td(a({-href=>$fwdref},"Next>>")),"\n",
+ end_Tr,
+ end_table,"\n",
+ table({-class=>'picframe'},
+ Tr(td(img({-src=>$imgsrc})))),"\n",
+ end_center,"\n",
+ end_html,"\n";
+ close($F);
}
- 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",
+ }
+
+ # info html
+ my $fn = sprintf("%s/.html/%s-info.html",$dn,$name);
+ if (isnewer($self->{-fullpath},$fn)) {
+ my $F;
+ unless (open($F,'>'.$fn)) {
+ warn "cannot open \"$fn\": $!";
+ return;
+ }
+ my $imgsrc = sprintf("../.%s/%s",$sizes[0],$name);
+ print $F start_html(-title=>$title,
+ -encoding=>"utf-8",
+ -style=>{-src=>$inc."gallery.css"},),"\n",
+ start_center,"\n",
+ h1($title),"\n",
+ table({-class=>'ipage'},
+ Tr(td(img({-src=>$imgsrc})),
+ td($self->infotable))),
+ a({-href=>'../index.html'},'Index'),"\n",
end_center,"\n",
end_html,"\n";
close($F);
sub startindex {
my $self = shift;
my $fn = $self->{-fullpath}.'/index.html';
+ my $block = $self->{-fullpath}.'/.noindex';
+ $fn = '/dev/null' if ( -f $block );
my $IND;
unless (open($IND,'>'.$fn)) {
warn "cannot open $fn: $!";
return;
}
+ binmode($IND, ":utf8");
$self->{-IND} = $IND;
my $inc = $self->{-inc};
my $title = $self->{-title};
+ my $rsslink="";
+ if ($self->{-rss}) {
+ $rsslink=Link({-rel=>'alternate',
+ -type=>'application/rss+xml',
+ -title=>'RSS',
+ -href=>$self->{-rss}});
+ }
print $IND start_html(-title => $title,
+ -encoding=>"utf-8",
+ -head=>$rsslink,
-style=>{-src=>[$inc."gallery.css",
$inc."lightbox.css"]},
-script=>[{-code=>"var incPrefix='$inc';"},
close($IND) if ($IND);
undef $self->{-IND};
+ if ($rssobj) {
+ my $rsstitle=sprintf "%s [%d images, %d subalbums]",
+ $self->{-title},
+ $self->{-numofimgs},
+ $self->{-numofsubs};
+ my $rsslink=$rssobj->{'rss'}->channel('link')."index.html";
+ $rssobj->{'rss'}->add_item(
+ title => $self->{-title},
+ link => $rsslink,
+ description => $rsstitle,
+ );
+ }
}
sub startsublist {
my $name = $self->{-base};
my $title = $self->{-title};
+ $self->{-parent}->{-numofsubs}++;
print $IND Tr(td(a({-href=>$name.'/index.html'},$name)),
td(a({-href=>$name.'/index.html'},$title))),"\n";
}
sub startimglist {
my $self = shift;
my $IND = $self->{-IND};
+ my $first = $self->{-firstimg}->{-base};
+ my $slideref = sprintf(".html/%s-slide.html",$first);
- print $IND h2("Images"),"\n";
+ print $IND h2("Images"),"\n",
+ a({-href=>$slideref},'Slideshow'),
+ "\n";
}
sub img_entry {
my $self = shift;
my $IND = $self->{-parent}->{-IND};
my $name = $self->{-base};
-
- print $IND a({-href=>$name},$name),"\n";
+ my $title = $self->{-info}->{'Comment'};
+ $title = $name unless ($title);
+ my $thumb = $self->{$sizes[0]};
+ my $medium = $self->{$sizes[1]};
+ my $info = $self->{-info};
+ my ($w, $h) = dim($info);
+
+ $self->{-parent}->{-numofimgs}++;
+ print $IND start_div({-class=>'ibox',-id=>$name,
+ -OnClick=>"HideIbox('$name');"}),"\n",
+ start_div({-class=>'iboxtitle'}),
+ span({-style=>'float: left;'},b("Info for $name")),
+ span({-style=>'float: right;'},
+ a({-href=>"#",-OnClick=>"HideIbox('$name');"},"Close")),
+ br({-clear=>'all'}),"\n",
+ end_div,"\n",
+ $self->infotable,
+ end_div,"\n";
+
+ print $IND table({-class=>'slide'},Tr(td(
+ a({-href=>".html/$name-info.html",-title=>'Image Info',
+ -onClick=>"return showIbox('$name');"},$title),
+ br,
+ a({-href=>$medium,-rel=>"lightbox",-title=>$title},
+ img({-src=>$thumb})),
+ br,
+ a({-href=>$name,-title=>'Original Image'},"($w x $h)"),
+ br))),"\n";
}
sub endimglist {
print $IND br({-clear=>'all'}),hr,"\n\n";
}
-######################################################################
-=cut
-######################################################################
-
-&processdir(getcwd);
-
-sub processdir {
- my ($start,$dir)=@_;
- my $dn=$start;
- $dn .= "/".$dir if ($dir);
- unless ( -d $dn ) {
- warn "not a directory: $dn";
- return;
- }
- my $D;
- unless (opendir($D,$dn)) {
- warn "cannot opendir $dn: $!";
- return;
- }
-
-# recurse into subdirectories BEFORE opening index file
-
- &iteratedir($D,$start,$dir,sub {
- my ($start,$dir,$base)=@_;
- my $ndir = $dir;
- $ndir .= "/" if ($ndir);
- $ndir .= $base;
- return unless ( -d $start."/".$ndir );
- &processdir($start,$ndir);
- });
-
-# fill in title
-
- my $title=&gettitle($dn,$dir);
-
-# get include prefix
-
- my $inc=&getinclude($dn);
-
-# generate directory index unless suppressed
-
- if ( -e $dn."/.noindex" ) {
- open(STDOUT,">/dev/null");
- } else {
- open(STDOUT,">".$dn."/index.html");
- }
-
-# write HTML header
-
- -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=>"../index.html"},"UP");
- print start_center,"\n";
- print h1($title),"\n";
-
-# create list of sub-albums
-
- my $hassubdirs=0;
- &iteratedir($D,$start,$dir,sub {
- my ($start,$dir,$base)=@_;
- my $en=sprintf("%s/%s/%s",$start,$dir,$base);
- return unless ( -d $en );
- unless ($hassubdirs) {
- print hr,h2("Albums"),start_table,"\n";
- $hassubdirs=1;
- }
- &subalbum($base,&gettitle($en,$dir."/".$base));
- });
- print end_table,hr,"\n" if ($hassubdirs);
-
-# 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 );
- 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[$i]);
- }
- }
-
-}
-
-#############################################################
-# helper functions
-#############################################################
-
-sub iteratedir {
- my ($D,$start,$dir,$prog)=@_;
- my @list=();
- while (my $de=readdir($D)) {
- next if ($de =~ /^\./);
- push(@list,$de);
- }
- foreach my $de(sort @list) {
- &$prog($start,$dir,$de);
- }
- rewinddir($D);
-}
-
-sub getinclude {
- my ($dn)=@_;
-
- my $depth=20;
- my $str="";
- #print STDERR "start include ",$dn."/".$str.".include","\n";
- while ( ! -d $dn."/".$str.".include" ) {
- #print STDERR "not include ",$dn."/".$str.".include","\n";
- $str.="../";
- last unless ($depth--);
- }
- #print STDERR "end include ",$dn."/".$str.".include","\n";
- if ( -d $dn."/".$str.".include" ) {
- #print STDERR "return include ".$str.".include/".$fn,"\n";
- return $str.".include/";
- } else {
- return ""; # won't work anyway but return something
- }
-}
-
-sub gettitle {
- my ($dir,$dflt)=@_;
-
- my $F;
- my $str;
- if (open($F,"<".$dir."/.title")) {
- $str=<$F>;
- chop $str;
- close($F);
- } else {
- print STDERR "enter title for $dir\n";
- $str=<>;
- if ($str =~ /^\s*$/) {
- $str=$dflt;
- }
- if (open($F,">".$dir."/.title")) {
- print $F $str,"\n";
- close($F);
- } else {
- print STDERR "cant open .title in $dir for writing: $!";
- }
- }
- return $str;
-}
-
-sub subalbum {
- my ($base,$title)=@_;
-
- print Tr({-bgcolor=>"#c0c0c0"},
- td(a({-href=>$base."/index.html"},$base)),
- td(a({-href=>$base."/index.html"},$title))),"\n";
-}
-
-sub processfile {
- my ($start,$dir,$base,$fn,$info)=@_;
-
- my ($w,$h) = dim($info);
- my $title=$info->{'Comment'};
- $title=$base unless ($title);
- my $thumb=&scale($start,$dir,$base,$fn,160,$info);
- my $medium=&scale($start,$dir,$base,$fn,640,$info);
- print &infobox($info,$base,$fn),"\n";
- print table({-class=>'slide'},Tr(td(
- a({-href=>".html/$base-info.html",
- -onClick=>"return showIbox('$base');"},$title),
- br,
- a({-href=>$medium,-rel=>"lightbox",-title=>$title},
- img({-src=>$thumb})),
- br,
- a({-href=>$base},"($w x $h)"),
- br))),"\n";
- return 1;
-}
-
-sub infobox {
- my ($info,$base,$fn)=@_;
+sub infotable {
+ my $self = shift;
+ my $info = $self->{-info};
+ my $msg='';
my @infokeys=(
'DateTime',
'Model',
'Software',
);
-
- my $msg=start_div({-class=>'ibox',-id=>$base,-OnClick=>"HideIbox('$base');"});
- $msg.=span({-style=>'float: left;'},"Info for $base").
- span({-style=>'float: right;'},
- a({-href=>"#",-OnClick=>"HideIbox('$base');"},"Close"));
- $msg.=br({-clear=>'all'});
- $msg.=start_table;
+ $msg.=start_table({-class=>'infotable'})."\n";
foreach my $k(@infokeys) {
- $msg.=Tr(td($k.":"),td($info->{$k}));
+ $msg.=Tr(td($k.":"),td($info->{$k}))."\n" if ($info->{$k});
}
- $msg.=end_table;
- $msg.=end_div;
- return $msg;
+ $msg.=end_table."\n";
}
-sub mkauxfile {
- my ($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);
- my $max=($w>$h)?$w:$h;
- my $factor=$tsize/$max;
-
- return $base if ($factor >= 1);
-
- my $tdir=sprintf "%s/%s/.%s",$start,$dir,$tsize;
- mkdir($tdir,0755) unless ( -d $tdir );
- my $tbase=sprintf ".%s/%s",$tsize,$base;
- my $tfn=sprintf "%s/%s",$tdir,$base;
- my @sstat=stat($fn);
- my @tstat=stat($tfn);
- return $tbase if (@tstat && ($sstat[9] < $tstat[9])); # [9] -> mtime
-
- print STDERR "scale by $factor from $fn to $tfn\n";
- &doscaling($fn,$tfn,$factor,$w,$h);
- return $tbase;
-}
-
-sub doscaling {
- my ($src,$dest,$factor,$w,$h)=@_;
-
- my $im=new Image::Magick;
- my $err;
- #print STDERR "doscale $src -> $dest by $factor\n";
- $err=$im->Read($src);
- unless ($err) {
- $im->Scale(width=>$w*$factor,height=>$h*$factor);
- $err=$im->Write($dest);
- warn "ImageMagic: write \"$dest\": $err" if ($err);
- } else {
- warn "ImageMagic: read \"$src\": $err";
- system("djpeg \"$src\" | pnmscale \"$factor\" | cjpeg >\"$dest\"");
- }
- undef $im;
-}