GIMP plugin to convert semitransparent pixels to opaque

semitrans_to_opaque.py

#!/usr/bin/env python

'''
	Date: 2020-12-23

	Description:
		A simple GIMP plugin that duplicates & merges down the current
		layer multiple times in order convert semitransparent pixels to
		opaque without losing/changing color.

	Usage:
		<Menu> Layer -> Transparency -> Semitransparency to Opaque

	Licensing:
		The author hereby relinquishes all rights to this work & dedicates
		it to the Public Domain via Creative Commons Zero (CC0). See:
			https://creativecommons.org/licenses/publicdomain/
'''

from gimpfu import *

def semitrans_to_opaque(image, drawable):
	pdb.gimp_image_undo_group_start(image)

	for x in range(0, 10):
		newlayer = drawable.copy()
		image.add_layer(newlayer)
		drawable = image.merge_down(newlayer, 0)

	pdb.gimp_image_undo_group_end(image)

register(
	'python_fu_semitrans_to_opaque',
	'Semitransparency to Opaque',
	'Make semitransparent pixels opaque while preserving color.',
	'Jordan Irwin (AntumDeluge)', '', '2020',
	'<Image>/Layer/Transparency/Semitransparency to Opaque',
	'*',
	[],
	[],
	semitrans_to_opaque
)

main()