#!/usr/app/bin/perl

eval 'exec /usr/app/bin/perl  -S $0 ${1+"$@"}'
    if 0; # not running under some shell
# Use gaussian blur and levels to round selection corners

use Gimp qw(:auto __ N_);
use Gimp::Fu;
use Gimp::Util;

# Gimp::set_trace(TRACE_ALL);

register "round_sel", 
         "Rounds a selection.",
         "Rounds a selection.",
         "Uri Zarfaty", 
         "Uri Zarfaty <udz20\@cam.ac.uk>", 
         "1999-03-25",
         N_"<Image>/Select/Round...", 
         "*", 
         [ 
           [PF_SPINNER, "roundness", "How much to round, in pixels", 16, [1,1000,1]], 
         ], sub {
    my($img,$drawable,$round) = @_;

    eval { $img->undo_push_group_start };
    
    my $channel = gimp_selection_save($img);
    gimp_selection_none($img);
    plug_in_gauss_iir($img, $channel, $round, 1, 1);
    gimp_levels($channel, 0, 123, 133, 1.0, 0, 255);
    gimp_selection_load($channel);
    gimp_image_remove_channel($img, $channel);
    # gimp_channel_delete($channel);
    
    eval { $img->undo_push_group_end };

    ();
};

exit main;