To load a pixbuf from file:
#get raw image data
#my $image_data = `cat image.png`; # easy shell out
my $image_data;
open (FH,"< image.png");
read( FH, $image_data, -s FH );
close FH;
my $pixbuf = do {
my $loader = Gtk2::Gdk::PixbufLoader->new();
$loader->write( $image_data );
$loader->close();
$loader->get_pixbuf();
};
#you can then make your thumbnails with the pixbuf methods
my $pixbuf_smaller = $pixbuf->scale_simple(50,50,'bilinear');
my $img_smaller = Gtk2::Image->new_from_pixbuf($pixbuf_smaller);
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