#!/usr/bin/env python
# Author: Chris Mohler
# Copyright 2010 Chris Mohler
# License: GPL v3
# Version 0.1
# GIMP plugin to export channels as PNGs

from gimpfu import *
import os

gettext.install("gimp20-python", gimp.locale_directory, unicode=True)

def colorize_to_pngs(img, drw, path):
        hue = 0
        while hue < 361:
	    dupe = img.duplicate()
            drw = dupe.active_drawable;
            name = str(hue) + ".png"
            fullpath = os.path.join(path, name);
            pdb.gimp_colorize(drw, hue, 50, 0)
            pdb.file_png_save(dupe, drw, fullpath, name, 0, 9, 1, 1, 1, 1, 1)
            pdb.gimp_image_delete(dupe)
            hue += 1
	    
register(
    proc_name=("python-fu-colorize-to-pngs"),
    blurb=("Save colorized images as PNG"),
    help=("Export range of colorized images individual PNG files."),
    author=("Chris Mohler"),
    copyright=("Chris Mohler"),
    date=("2010"),
    label=("_Colorize to PNGs"),
    imagetypes=("RGB*"),
    params=[
	(PF_IMAGE, "img", "Image", None),
	(PF_DRAWABLE, "drw", "Drawable", None),
	(PF_DIRNAME, "path", "Save PNGs here", os.getcwd()),
	   ],
    results=[],
    function=(colorize_to_pngs), 
    menu=("<Image>/Filters"), 
    domain=("gimp20-python", gimp.locale_directory)
    )

main()