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|
package App::Dthumb;
use strict;
use warnings;
use autodie;
use 5.010;
use base 'Exporter';
use App::Dthumb::Data;
use Cwd;
use Image::Imlib2;
use IO::Handle;
use Time::Progress;
our @EXPORT_OK = ();
our $VERSION = '0.1';
STDERR->autoflush(1);
sub new {
my ($obj, $conf) = @_;
my $ref = {};
$conf->{size} //= 200;
$conf->{spacing} //= 1.1;
$conf->{quality} //= 75;
$conf->{lightbox} = !$conf->{'no-lightbox'};
$conf->{names} = !$conf->{'no-names'};
$ref->{config} = $conf;
$ref->{data} = App::Dthumb::Data->new();
$ref->{timer} = Time::Progress->new();
$ref->{html} = $ref->{data}->get('html_start');
$ref->{current_file_id} = 0;
$ref->{config}->{file_index} = 'index.xhtml';
$ref->{config}->{file_lightbox} = 'lightbox.js';
$ref->{config}->{dir_thumbs} = '.thumbs';
$ref->{config}->{dir_data} = '.dthumb';
return bless($ref, $obj);
}
sub run {
my ($self) = @_;
$self->check_cmd_flags();
$self->read_directories();
$self->create_files();
$self->delete_old_thumbnails();
$self->create_thumbnails();
$self->write_out_html();
}
sub check_cmd_flags {
my ($self) = @_;
if ($self->{config}->{version}) {
say "dthumb version ${VERSION}";
exit 0;
}
if ($self->{config}->{help}) {
say "Please refer to perldoc -F $0 (or man dthumb)";
exit 0;
}
}
sub read_directories {
my ($self) = @_;
my $thumbdir = $self->{config}->{dir_thumbs};
my $imgdir = '.';
my $dh;
my (@files, @old_thumbs);
opendir($dh, $imgdir);
for my $file (readdir($dh)) {
if (-f $file and $file =~ qr{ \. (png | jp e? g) $ }iox) {
push(@files, $file);
}
}
closedir($dh);
if (-d $thumbdir) {
opendir($dh, $thumbdir);
for my $file (readdir($dh)) {
if ($file =~ qr{^ [^.] }ox and not -f $file) {
push(@old_thumbs, $file);
}
}
closedir($dh);
}
@{$self->{files}} = sort { lc($a) cmp lc($b) } @files;
@{$self->{old_thumbnails}} = @old_thumbs;
$self->{timer}->attr(
min => 1,
max => scalar @files,
);
}
sub create_files {
my ($self) = @_;
my $thumbdir = $self->{config}->{dir_thumbs};
my $datadir = $self->{config}->{dir_data};
if (not -d $thumbdir) {
mkdir($thumbdir);
}
if ($self->{config}->{lightbox}) {
if (not -d $datadir) {
mkdir($datadir);
}
for my $file (qw(lightbox.js overlay.png loading.gif close.gif)) {
open(my $fh, '>', "${datadir}/${file}");
print {$fh} $self->{data}->get($file);
close($fh);
}
}
}
sub delete_old_thumbnails {
my ($self) = @_;
my $thumbdir = $self->{config}->{dir_thumbs};
for my $file (@{$self->{old_thumbnails}}) {
unlink("${thumbdir}/${file}");
}
}
sub create_thumbnails {
my ($self) = @_;
for my $file (@{$self->{files}}) {
print STDERR $self->{timer}->report(
"\r\e[KCreating Thumbnails: %p done, %L elapsed, %E remaining",
++$self->{current_file_id},
);
$self->create_thumbnail_html($file);
$self->create_thumbnail_image($file);
}
print "\n";
}
sub create_thumbnail_html {
my ($self, $file) = @_;
my $div_width = $self->{config}->{size} * $self->{config}->{spacing};
my $div_height = $div_width + ($self->{config}->{names} ? 10 : 0);
$self->{html} .= sprintf(
"<div style=\"%s; %s; %s; width: %dpx; height: %dpx\">\n",
'text-align: center',
'font-size: 80%',
'float: left',
$div_width,
$div_height,
);
$self->{html} .= sprintf(
"\t<a rel=\"lightbox\" href=\"%s\">\n"
. "\t\t<img src=\"%s/%s\" alt=\"%s\" /></a>\n",
$file,
$self->{config}->{dir_thumbs},
($file) x 2,
);
if ($self->{config}->{names}) {
$self->{html} .= sprintf(
"\t<br />\n"
. "\t<a style=\"%s;\" href=\"%s\">%s</a>\n",
'text-decoration: none',
($file) x 2,
);
}
$self->{html} .= "</div>\n";
}
sub create_thumbnail_image {
my ($self, $file) = @_;
my $thumbdir = $self->{config}->{dir_thumbs};
my $thumb_dim = $self->{config}->{size};
if (-e "${thumbdir}/${file}") {
return;
}
my $image = Image::Imlib2->load($file);
my ($dx, $dy) = ($image->width(), $image->height());
my $thumb = $image;
if ($dx > $thumb_dim or $dy > $thumb_dim) {
if ($dx > $dy) {
$thumb = $image->create_scaled_image($thumb_dim, 0);
}
else {
$thumb = $image->create_scaled_image(0, $thumb_dim);
}
}
$thumb->set_quality($self->{config}->{quality});
$thumb->save("${thumbdir}/${file}");
}
sub write_out_html {
my ($self) = @_;
$self->{html} .= $self->{data}->get('html_end');
open(my $fh, '>', $self->{config}->{file_index});
print {$fh} $self->{html};
close($fh);
}
#sub print_progress {
# my ($self) = @_;
# my $num = $self->{current_file_id};
# my $name = $self->{current_file_name};
#
# if (($num % 60) == 0) {
# if ($number) {
# printf(" %4d/%d\n", $number, scalar(@files));
# }
# printf('[%3d%%] ', $number * 100 / @files);
# } elsif (($number % 10) == 0) {
# print ' ';
# }
# return;
#}
1;
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