mirror of
https://github.com/lalbornoz/roar.git
synced 2024-11-25 16:46:36 +00:00
aed3f7157c
liboperators/OperatorInvert.py: initial implementation. libroar/RoarCanvasCommandsOperators.py: adds OperatorInvert. assets/text/TODO: updated.
25 lines
666 B
Python
25 lines
666 B
Python
#!/usr/bin/env python3
|
|
#
|
|
# OperatorInvert.py
|
|
# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
|
|
#
|
|
|
|
from Operator import Operator
|
|
|
|
class OperatorInvert(Operator):
|
|
name = "Invert colours"
|
|
|
|
#
|
|
# apply(self, region)
|
|
def apply(self, region):
|
|
for numRow in range(len(region)):
|
|
for numCol in range(len(region[numRow])):
|
|
region[numRow][numCol][0:2] = [(~r & (16 - 1) if r > 0 else r) for r in region[numRow][numCol][0:2]]
|
|
return region
|
|
|
|
# __init__(self, *args): initialisation method
|
|
def __init__(self, *args):
|
|
pass
|
|
|
|
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
|