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#!/usr/bin/env python
'''
Gimp plugin "Sharpen by resynthesis"
Requires resynthesizer plug_in (v2).
Author:
lloyd konneker (bootch at nc.rr.com)
Based on smart_enlarge.scm 2000 by Paul Harrison.
Version:
1.0 lloyd konneker lkk 2010 Initial version in python.
License:
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.
The GNU Public License is available at
http://www.gnu.org/copyleft/gpl.html
'''
from gimpfu import *
gettext.install("resynthesizer", gimp.locale_directory, unicode=True)
def plugin_main(image, drawable, scale_factor):
'''
Algorithm:
Resynthesize with:
corpus = smaller image
in map = smaller image but scaled up and down to blur
out map = original image
TODO undo
original did not accept an alpha channel
'''
temp_image1 = pdb.gimp_image_duplicate(image) # duplicate for in map
if not temp_image1:
raise RuntimeError, "Failed duplicate image"
temp_image2 = pdb.gimp_image_duplicate(image) # duplicate for corpus
if not temp_image2:
raise RuntimeError, "Failed duplicate image"
temp_layer1 = pdb.gimp_image_get_active_layer(temp_image1)
if not temp_layer1:
raise RuntimeError, "Failed get active layer"
temp_layer2 = pdb.gimp_image_get_active_layer(temp_image2)
if not temp_layer2:
raise RuntimeError, "Failed get active layer"
width = pdb.gimp_drawable_width(drawable)
height = pdb.gimp_drawable_height(drawable)
# scale input image down, for corpus map
pdb.gimp_image_scale(temp_image2, width/scale_factor, height/scale_factor)
# scale input image way down, then back up to, to blur, for corpus
# Final size is same size as corpus map.
pdb.gimp_image_scale(temp_image1, width / (2 * scale_factor), height / (2 * scale_factor) )
pdb.gimp_image_scale(temp_image1, width/scale_factor, height/scale_factor)
# Resynthesize to restore details.
# Note there should not be a selection. TODO
pdb.plug_in_resynthesizer(
image,
drawable,
0, 0, 0,
temp_layer2.ID, # corpus is smaller original
temp_layer1.ID, # input map is blurred smaller original
drawable.ID, # output map is original itself
1.0, 0.117, 8, 500)
pdb.gimp_image_delete(temp_image1)
pdb.gimp_image_delete(temp_image2)
register(
"python_fu_sharpen_resynthesized",
N_("Sharpen image by synthesis."),
"Requires separate resynthesizer plugin.",
"Lloyd Konneker",
"Copyright 2000 Paul Harrison, 2010 Lloyd Konneker",
"2010",
N_("Sharpen by synthesis..."),
"RGB*, GRAY*",
[ (PF_IMAGE, "image", "Input image", None),
(PF_DRAWABLE, "drawable", "Input drawable", None),
(PF_ADJUSTMENT, "sharpen_factor", _("Sharpening:"), 2, (1, 32, 0.1)),
],
[],
plugin_main,
menu="<Image>/Filters/Enhance",
domain=("resynthesizer", gimp.locale_directory)
)
main()
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