# -*- python -*- # This example demonstrates how the currents settings # can be read and transitioned from. # This file is dual-licensed under GNU General Public License # version 3 and GNU Free Documentation License version 1.3. # Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) # # 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 3 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, see <http://www.gnu.org/licenses/>. # Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) # # Permission is granted to copy, distribute and/or modify this document # under the terms of the GNU Free Documentation License, Version 1.3 # or any later version published by the Free Software Foundation; # with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. # You should have received a copy of the GNU General Public License # along with this software package. If not, see <http://www.gnu.org/licenses/>. uses_adhoc_opts = True ''' :bool `True` if the configuration script parses the ad-hoc settings ''' # Get --temperature from Blueshift ad-hoc settigns temperature_to = int(parser.opts['--temperature'][0]) # Get current colour curves (drm_get if ttymode else randr_get)(0)() r_, g_, b_ = r_curve[:], g_curve[:], b_curve[:] start_over() # Calculate divergence temperature(temperature_to, lambda t : divide_by_maximum(cmf_10deg(t))) f = lambda xy : abs(xy[0] - xy[1]) divergence = max([max(map(f, zip(x, y))) for x, y in curves(r_, g_, b_)]) # Get the end state colour curves r, g, b = r_curve[:], g_curve[:], b_curve[:] # Calculate transition time fadein_time = divergence * 5 fadein_steps = fadein_time * 10 # Function for setting the colour temperature def adjust(alpha): f = lambda on : on[0] * (1 - alpha) + on[1] * alpha ccc = curves((r_, r), (g_, g), (b_, b)) ccc = [(out, list(map(f, zip(old, new)))) for out, (old, new) in ccc] for out, curve in ccc: out[:] = curve (drm if ttymode else randr)(0) # Perform transition if divergence and not panicgate: signal.signal(signal.SIGTERM, signal_SIGTERM) dtime = fadein_time / fadein_steps df = 1 / fadein_steps trans = 0 while running: try: trans += df if trans > 1: break adjust(trans) time.sleep(dtime) except KeyboardInterrupt: running = False adjust(1)