Files
LedD/ledd/stripe.py
Giovanni Harting 1a568b194c renamed stuff
added first gamma correction, closes #1
added db upgrade logic
2015-10-04 08:10:52 +02:00

78 lines
2.7 KiB
Python

# LEDD Project
# Copyright (C) 2015 LEDD Team
#
# 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/>.
from spectra import Color
class Stripe:
"""
A stripe is the smallest controllable unit.
"""
def __init__(self, controller, name, rgb, channels, sid=-1, gamma_correct=(2.8, 2.8, 2.8), from_db=False):
self.controller = controller
self.name = name
self.rgb = bool(rgb)
self.channels = channels
self.id = sid
self._color = None
self.gamma_correct = gamma_correct
self.read_color()
if not from_db:
self.save_to_db()
def save_to_db(self):
cur = self.controller.db.cursor()
if self.id == -1:
cur.execute("INSERT INTO stripes DEFAULT VALUES")
self.id = cur.lastrowid
cur.execute(
"UPDATE stripes SET "
"channel_r_gamma = ?,"
"channel_g_gamma = ?,"
"channel_b_gamma = ?,"
"channel_r = ?,"
"channel_g = ?,"
"channel_b = ?,"
"controller_id = ?,"
"name = ? WHERE id = ?",
self.gamma_correct + self.channels + (self.controller.id, self.name, self.id))
cur.close()
self.controller.db.commit()
def read_color(self):
rc = tuple([float(self.controller.get_channel(channel)) for channel in self.channels])
c = Color("rgb", rc[0], rc[1], rc[2])
self._color = c.to("hsv")
def __repr__(self):
return "<Stripe id={}>".format(self.id)
@classmethod
def from_db(cls, controller, row):
return cls(controller, name=row["name"], rgb=row["rgb"],
channels=(row["channel_r"], row["channel_g"], row["channel_b"]), sid=row["id"],
gamma_correct=(row["channel_r_gamma"], row["channel_g_gamma"], row["channel_b_gamma"]), from_db=True)
def set_color(self, c):
self._color = c
for channel, gamma_correct, value in zip(self.channels, self.gamma_correct, c.clamped_rgb):
self.controller.set_channel(channel, value, gamma_correct)
def get_color(self):
return self._color
color = property(get_color, set_color)