/usr/share/perl5/Shutter/Pixbuf/Load.pm is in shutter 0.94-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (C) 2008-2013 Mario Kemper <mario.kemper@gmail.com>
#
# This file is part of Shutter.
#
# Shutter is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Shutter is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Shutter; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
###################################################
package Shutter::Pixbuf::Load;
#modules
#--------------------------------------
use utf8;
use strict;
use warnings;
use Gtk2;
#fileparse and tempfile
use File::Basename qw/ fileparse dirname basename /;
use File::Temp qw/ tempfile tempdir /;
#Glib
use Glib qw/TRUE FALSE/;
#--------------------------------------
##################public subs##################
sub new {
my $class = shift;
#constructor
my $self = { _common => shift, _window => shift, _no_error_dialog => shift };
bless $self, $class;
return $self;
}
sub load {
my $self = shift;
my $filename = shift;
my $width = shift;
my $height = shift;
my $sratio = shift;
my $rotate = shift;
my $pixbuf = undef;
eval{
if(defined $width && defined $height && defined $sratio){
$pixbuf = Gtk2::Gdk::Pixbuf->new_from_file_at_scale($filename, $width, $height, $sratio);
}elsif(defined $width && defined $height){
$pixbuf = Gtk2::Gdk::Pixbuf->new_from_file_at_size($filename, $width, $height);
}else{
$pixbuf = Gtk2::Gdk::Pixbuf->new_from_file($filename);
}
};
#handle possible error messages
if ($@) {
unless(defined $self->{_no_error_dialog} && $self->{_no_error_dialog}){
#import shutter dialogs
my $current_window = $self->{_window} || $self->{_common}->get_mainwindow;
my $sd = Shutter::App::SimpleDialogs->new( $current_window );
#gettext variable
my $d = $self->{_common}->get_gettext;
#parse filename
my ( $name, $folder, $type ) = fileparse( $filename, qr/\.[^.]*/ );
#nice error dialog, more detailed messages are shown with a gtk2 expander
my $response = $sd->dlg_error_message(
sprintf( $d->get("Error while opening image %s."), "'" . $name.$type . "'"),
$d->get("There was an error opening the image."),
undef, undef, undef,
undef, undef, undef,
$@->message
);
}
}
#read exif and rotate accordingly
if($rotate && $pixbuf){
$pixbuf = $self->auto_rotate($pixbuf);
}
return $pixbuf;
}
sub get_option {
my $self = shift;
my $pixbuf = shift;
my $option = shift;
return FALSE unless (defined $pixbuf && defined $option);
return $pixbuf->get_option($option);
}
sub auto_rotate {
my $self = shift;
my $pixbuf = shift;
my %orientation_flags = (
1 => 'none,-1',
2 => 'none,1',
3 => 'upsidedown,-1',
4 => 'none,0',
5 => 'clockwise,1',
6 => 'clockwise,-1',
7 => 'clockwise,0',
8 => 'counterclockwise,-1',
);
my $option = $self->get_option($pixbuf, 'orientation');
if(defined $option && exists $orientation_flags{$option}){
my ($rotate, $flip_horiz) = split ",", $orientation_flags{$option};
#~ print $option, "\n";
if(defined $rotate){
$pixbuf = $pixbuf->rotate_simple($rotate);
}
if(defined $flip_horiz && $flip_horiz > -1){
$pixbuf = $pixbuf->flip($flip_horiz);
}
}
return $pixbuf;
}
1;
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