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#
# Simple PWM controller
# Remote control tool
#
# Copyright (c) 2018-2021 Michael Buesch <m@bues.ch>
#
# 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.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
__all__ = [
"ColorAdjWidget",
]
from libsimplepwm.gui.blocker import *
from libsimplepwm.gui.gtk_import import *
import colorsys
def rgb2hls(r, g, b):
h, l, s = colorsys.rgb_to_hls(r / 100.0, g / 100.0, b / 100.0)
return h * 360.0, l * 100.0, s * 100.0
def hls2rgb(h, l, s):
r, g, b = colorsys.hls_to_rgb(h / 360.0, l / 100.0, s / 100.0)
return round(r * 100.0), round(g * 100.0), round(b * 100.0)
class ColorAdjWidget(Gtk.Grid):
@GObject.Signal
def colorChanged(self,
mode: str,
r: int, g: int, b: int,
h: int, l: int, s: int):
pass
def __init__(self):
super().__init__()
self.__changeBlocked = Blocker()
self.set_column_homogeneous(True)
label = Gtk.Label("RGB:")
self.__scaleR = Gtk.Scale.new_with_range(Gtk.Orientation.HORIZONTAL, 0, 100, 1)
self.__scaleG = Gtk.Scale.new_with_range(Gtk.Orientation.HORIZONTAL, 0, 100, 1)
self.__scaleB = Gtk.Scale.new_with_range(Gtk.Orientation.HORIZONTAL, 0, 100, 1)
self.attach(label, 0, 0, 1, 1)
self.attach(self.__scaleR, 1, 0, 1, 1)
self.attach(self.__scaleG, 2, 0, 1, 1)
self.attach(self.__scaleB, 3, 0, 1, 1)
label = Gtk.Label("HLS:")
self.__scaleH = Gtk.Scale.new_with_range(Gtk.Orientation.HORIZONTAL, 0, 360, 1)
self.__scaleL = Gtk.Scale.new_with_range(Gtk.Orientation.HORIZONTAL, 0, 100, 1)
self.__scaleS = Gtk.Scale.new_with_range(Gtk.Orientation.HORIZONTAL, 0, 100, 1)
self.attach(label, 0, 1, 1, 1)
self.attach(self.__scaleH, 1, 1, 1, 1)
self.attach(self.__scaleL, 2, 1, 1, 1)
self.attach(self.__scaleS, 3, 1, 1, 1)
self.__scaleR.connect("value_changed", self.__on_scaleRGB_changed)
self.__scaleG.connect("value_changed", self.__on_scaleRGB_changed)
self.__scaleB.connect("value_changed", self.__on_scaleRGB_changed)
self.__scaleH.connect("value_changed", self.__on_scaleHLS_changed)
self.__scaleL.connect("value_changed", self.__on_scaleHLS_changed)
self.__scaleS.connect("value_changed", self.__on_scaleHLS_changed)
def __on_scaleRGB_changed(self, _):
if self.__changeBlocked:
return
with self.__changeBlocked:
r = self.__scaleR.get_value()
g = self.__scaleG.get_value()
b = self.__scaleB.get_value()
h, l, s = rgb2hls(r, g, b)
self.__scaleH.set_value(h)
self.__scaleL.set_value(l)
self.__scaleS.set_value(s)
self.emit("colorChanged", "RGB", r, g, b, h, l, s)
def __on_scaleHLS_changed(self, _):
if self.__changeBlocked:
return
with self.__changeBlocked:
h = self.__scaleH.get_value()
l = self.__scaleL.get_value()
s = self.__scaleS.get_value()
r, g, b = hls2rgb(h, l, s)
self.__scaleR.set_value(r)
self.__scaleG.set_value(g)
self.__scaleB.set_value(b)
self.emit("colorChanged", "HLS", r, g, b, h, l, s)
def setRGB(self, r, g, b):
self.__scaleR.set_value(r)
self.__scaleG.set_value(g)
self.__scaleB.set_value(b)
# vim: ts=4 sw=4 expandtab
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