1 files changed, 116 insertions, 0 deletions
diff --git a/src/adhoc.py b/src/adhoc.py
new file mode 100644
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+++ b/src/adhoc.py
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+#!/usr/bin/env python3
+
+# 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 Affero 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 Affero General Public License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+import time
+import signal
+import datetime
+
+
+## Warn if we are using configuration script arguments
+if len(parser.files) > 0:
+    print('%s: warning: configuration script arguments are not supported in ad-hoc mode' % sys.argv[0])
+
+## Determine whether we should run in continuous mode
+continuous = any(map(lambda a : (a is not None) and (len(a) == 2), settings))
+continuous = continuous or (location is not None)
+
+## Select default settings when not specified
+d = lambda a, default : [default, default] if a is None else (a * 2 if len(a) == 1 else a)
+gammas = d(gammas, "1:1:1")
+rgb_brightnesses = d(rgb_brightnesses, "1")
+cie_brightnesses = d(cie_brightnesses, "1")
+if temperatures is None:
+    temperatures = ['3700', '6500']
+elif len(temperatures) == 1:
+    temperatures *= 2
+
+## Parse string arrays into floating point matrices
+settings = [gammas, rgb_brightnesses, cie_brightnesses, temperatures, [location]]
+s = lambda f, v : f(v) if v is not None else None
+settings = [s(lambda c : [s(lambda x : [float(y) for y in x.split(':')], x) for x in c], c) for c in settings]
+[gammas, rgb_brightnesses, cie_brightnesses, temperatures, location] = settings
+location = None if location is None else location[0]
+
+## Select method for calculating to what degree the adjustments should be applied
+alpha = lambda : 1
+if continuous:
+    if location is not None:
+        alpha = lambda : sun(*location)
+    else:
+        def alpha_():
+            now = datetime.datetime.now()
+            hh, mm = now.hour, now.minute + now.second / 60
+            if 12 <= hh <= 22:
+                return 1 - (hh - 12) / (22 - 12) - mm / 60
+            if hh <= 12:
+                hh += 22 - 12
+            return (hh - 22) / 14 + m / 60
+        alpha = alpha_
+
+## Set monitor control
+def reduce(f, items):
+    '''
+    https://en.wikipedia.org/wiki/Fold_(higher-order_function)
+    '''
+    if len(items) < 2:
+        return items
+    rc = items[0]
+    for i in range(1, len(items)):
+        rc = f(rc, items[i])
+    return rc
+output = reduce(lambda x, y : x + y, [a.split(',') for a in output])
+monitor_controller = lambda : randr(*output)
+
+def apply(dayness, pureness):
+    '''
+    Apply adjustments
+    
+    @param  dayness:float   The visibility of the sun
+    @param  pureness:float  Transitioning progress, 1 for at clean state, 0 for at adjusted state
+    '''
+    start_over()
+    interpol_ = lambda d, p, a, r : d * r + (p[0] * a + p[1] * (1 - a)) * (1 - r)
+    interpol = lambda d, p : [interpol_(d, [p[0][i], p[1][i]], dayness, pureness) for i in range(len(p[0]))]
+    temperature(*interpol(6500, temperatures), algorithm = lambda t : divide_by_maximum(cmf_10deg(t)))
+    rgb_brightness(*interpol(1, rgb_brightnesses))
+    cie_brightness(*interpol(1, cie_brightnesses))
+    clip()
+    gamma(*interpol(1, gammas))
+    clip()
+    monitor_controller()
+
+if continuous and not doreset:
+    ## Continuous mode
+    def periodically(year, month, day, hour, minute, second, weekday, fade):
+        apply(alpha(), 0 if fade is None else 1 - abs(fade))
+else:
+    ## One shot mode
+    if not panicgate:
+        signal.signal(signal.SIGTERM, signal_SIGTERM)
+        trans = 0
+        while running:
+            try:
+                apply(alpha(), trans if doreset else 1 - trans)
+                trans += 0.05
+                time.sleep(0.1)
+            except KeyboardInterrupt:
+                signal_SIGTERM(0, None)
+            if trans >= 1:
+                break
+    apply(alpha(), 1 if doreset else 0)
+