#!/usr/bin/env python
# -*- coding: utf8 -*-

# *************************************************************************** #
#                                                                             #
#      Version 0.1 - 2011-11-08                                               #
#      Copyright (C) 2011 Marco Crippa                                        #
#                                                                             #
#      This program 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 2         #
#      of the License, or (at your option) any later version.                 #
#                                                                             #
#      This program 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 this program; if not, write to the                          #
#      Free Software Foundation, Inc.,                                        #
#      51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA           #
#                                                                             #
# *************************************************************************** #

from gimpfu import *

def photos( img, draw, out_size, out_col, out_type, out_feather):
	
    current_f=pdb.gimp_context_get_foreground()

    img.disable_undo()

    #selection to grow
    pdb.gimp_selection_layer_alpha(draw)
    sel_size=pdb.gimp_selection_bounds(img)
    grow_w=(sel_size[3]-sel_size[1])+(out_size*2)
    grow_h=(sel_size[4]-sel_size[2])+(out_size*2)

    #new layer size
    print(int(out_size))
    if (  grow_w > pdb.gimp_image_width(img) or grow_h > pdb.gimp_image_height(img)):
        w=grow_w
        h=grow_h
        off_x=0-(grow_w-pdb.gimp_image_width(img))/2
        off_y=0-(grow_h-pdb.gimp_image_height(img))/2
        l_out=pdb.gimp_layer_new(img,w,h,1,"outline",100.0,0)
        pdb.gimp_image_add_layer(img,l_out,-1)
        pdb.gimp_image_lower_layer(img,l_out)
        pdb.gimp_layer_translate(l_out,off_x,off_y)
        pdb.gimp_image_resize_to_layers(img)
        pdb.gimp_layer_resize_to_image_size(l_out)
#        if out_type == "grown" :
#            pdb.gimp_selection_grow(img,out_size)
#        else:
#            pdb.gimp_selection_border(img,int(out_size))
#            pdb.gimp_selection_sharpen(img)
    else:
        w=pdb.gimp_image_width(img)
        h=pdb.gimp_image_height(img)
        off_x=0
        off_y=0
        l_out=pdb.gimp_layer_new(img,w,h,1,"outline",100.0,0)
        pdb.gimp_image_add_layer(img,l_out,-1)
        pdb.gimp_image_lower_layer(img,l_out)
#        if out_type == "grown" :
#            pdb.gimp_selection_grow(img,out_size)
#        else:
#            pdb.gimp_selection_border(img,int(out_size))
#            pdb.gimp_selection_sharpen(img)

    if out_type == "grown" :
        pdb.gimp_selection_grow(img,out_size)
    else:
        pdb.gimp_selection_border(img,int(out_size))
        pdb.gimp_selection_sharpen(img)

    pdb.gimp_selection_feather(img,out_feather)
        
    pdb.gimp_image_set_active_layer(img,l_out)

    #outline color
    pdb.gimp_context_set_foreground(out_col)

    pdb.gimp_edit_fill(l_out,0)

    pdb.gimp_selection_clear(img)
    
    pdb.plug_in_autocrop_layer(img,l_out)

    img.enable_undo()

    pdb.gimp_context_set_foreground(current_f)

register( "add_outline_to_layer",
  "Add Outline to layer",
  "Add Outline to layer",
  "Marco Crippa",
  "(©) 2011 Marco Crippa",
  "2011-11-08",
  "<Image>/Filters/Decor/Add Outline to layer",
  'RGB*',
  [ 
		(PF_SPINNER, "out_size", "Outline size (px):", 10, (0, 9999999999, 1)),
		(PF_COLOR, "out_col", "Outline color:", (255,255,255)),
        (PF_RADIO, "out_type", "Outline type:", "grown", (("grown", "grown"), ("border", "border"))),
		(PF_SPINNER, "out_feather", "Outline feather (px):", 0, (0, 9999999999, 1))
  ],
  '',
  photos)

main()