#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# by Andreas Schönfelder
#
# Version 1.1 (20101120)
#
# 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 *

def python_remove_timestamp(img, drawable, color, threshold, grow1, grow2, spread_count, spread, offset_count, offset):
	# undo group
	pdb.gimp_image_undo_group_start(
		img				# image
	)
	# select color
	pdb.gimp_by_color_select(
		drawable,		# drawable
		color,			# color
		threshold,		# threshold
		3,				# operation (0=add, 1=substract, 2=replace, 3=intersect)
		False,			# antialias
		False,			# feather
		0,				# feather-radius
		False			# sample-merged
	)
	# grow selection
	pdb.gimp_selection_grow(
		img,			# image
		grow1			# steps
	)
	# add alpha channel
	pdb.gimp_layer_add_alpha(
		drawable		# layer
	)
	# clear selected
	pdb.gimp_edit_clear(
		drawable		# drawable
	)
	# create new layer
	layer1 = pdb.gimp_layer_copy(
		drawable	,	# layer
		True			# add-alpha
	)
	# add new creates layer
	pdb.gimp_image_add_layer(
		img,			# image
		layer1,			# layer
		1				# position
	)
	# grow selection
	pdb.gimp_selection_grow(
		img,			# image
		grow2			# steps
	)
	# interchange pixels
	for i in range(0, int(spread_count)):
		pdb.plug_in_spread(
			img,		# image
			layer1,		# drawable
			spread,		# spread-amount-x
			spread		# spread-amount-x
		)
	# melt pixels
	pdb.plug_in_randomize_slur(
		img,			# image
		layer1,			# drawable
		100,			# rndm-pct
		5,				# rndm-rcount
		True,			# randomize
		1				# seed (only randomize=False)
	)
	# select nothing
	pdb.gimp_selection_none(
		img				# image
	)
	# offset layers
	for i in range(0, int(offset_count)):
		# create new layers
		layer2 = pdb.gimp_layer_copy(
			layer1,		# layer
			True		# add-alpha
		)
		layer3 = pdb.gimp_layer_copy(
			layer1,		# layer
			True		# add-alpha
		)
		layer4 = pdb.gimp_layer_copy(
			layer1,		# layer
			True		# add-alpha
		)
		# add new creates layers
		pdb.gimp_image_add_layer(
			img,		# image
			layer2,		# layer
			2			# position
		)
		pdb.gimp_image_add_layer(
			img,		# image
			layer3,		# layer
			3			# position
		)
		pdb.gimp_image_add_layer(
			img,		# image
			layer4,		# layer
			4			# position
		)
		# offset new created layers
		pdb.gimp_drawable_offset(
			layer1,		# drawable
			False,		# wrap-around
			1,			# fill-type (0=background, 1=transparent)
			-offset,	# offset-x
			-offset	# offset-y
		)
		pdb.gimp_drawable_offset(
			layer2,		# drawable
			False,		# wrap-around
			1,			# fill-type (0=background, 1=transparent)
			offset,	# offset-x
			-offset	# offset-y
		)
		pdb.gimp_drawable_offset(
			layer3,		# drawable
			False,		# wrap-around
			1,			# fill-type (0=background, 1=transparent)
			-offset,	# offset-x
			offset		# offset-y
		)
		pdb.gimp_drawable_offset(
			layer4,		# drawable
			False,		# wrap-around
			1,			# fill-type (0=background, 1=transparent)
			offset,		# offset-x
			offset		# offset-y
		)
		# merge all new layers
		pdb.gimp_drawable_set_visible(
			drawable,	# drawable
			False		# visible
		)
		layer1 = pdb.gimp_image_merge_visible_layers(
			img,		# image
			1			# merge-type (0=expand, 1=to-image, 2=to-bottom-layer)
		)
		pdb.gimp_drawable_set_visible(
			drawable,	# drawable
			True		# visible
		)
	# merge all layers
	pdb.gimp_image_merge_visible_layers(
		img,			# image
		1				# merge-type (0=expand, 1=to-image, 2=to-bottom-layer)
	)
	# undo group
	pdb.gimp_image_undo_group_end(
		img				# image
	)

register(
	"python_fu_remove_timestamp",
	"Delete timestamp within an image",
	"Delete timestamp within an image",
	"Andreas Schoenfelder <passtschu at freenet dot de>",
	"Andreas Schoenfelder <passtschu at freenet dot de>",
	"2010-11-20",
	"<Image>/Python-Fu/Remove timestamp",
	"	",
	[
		#(PF_IMAGE, "image", "Input image", None),										# current image
		#(PF_DRAWABLE, "drawable", "Input layer", None),								# current layer
		(PF_COLOR, "color", "Color of timestamp", (255, 255, 0)),						# color
		(PF_SPINNER, "threshold", "Threshold", 60, (1, 255, 1)),						# threshold
		(PF_SPINNER, "grow1", "Grow selection after color select", 3, (1, 255, 1)),		# grow1
		(PF_SPINNER, "grow2", "Grow selection befor spread", 10, (1, 255, 1)),			# grow2
		(PF_SPINNER, "spread_count", "Spread count", 3, (1, 10, 1)),					# spread count
		(PF_SPINNER, "spread", "Spread value", 10, (1, 100, 1)),						# spread
		(PF_SPINNER, "offset_count", "Offset count", 3, (1, 10, 1)),					# offset count
		(PF_SPINNER, "offset", "Offset value", 3, (1, 100, 1))							# offset
    ],
	[],
	python_remove_timestamp
)

main()