SimpleColorHueStrategy.cpp
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/**
\file SimpleColorHueStrategy.cpp
Copyright Notice\n
Copyright (C) 2017 Jan Rogall - developer\n
Copyright (C) 2017 Moritz Wirger - developer\n
This file is part of hueplusplus.
hueplusplus is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
hueplusplus 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with hueplusplus. If not, see <http://www.gnu.org/licenses/>.
**/
#include "hueplusplus/SimpleColorHueStrategy.h"
#include <cmath>
#include <iostream>
#include <thread>
#include "hueplusplus/HueConfig.h"
#include "hueplusplus/HueExceptionMacro.h"
#include "hueplusplus/Utils.h"
namespace hueplusplus
{
bool SimpleColorHueStrategy::setColorHue(uint16_t hue, uint8_t transition, HueLight& light) const
{
return light.transaction().setColorHue(hue).setTransition(transition).commit();
}
bool SimpleColorHueStrategy::setColorSaturation(uint8_t sat, uint8_t transition, HueLight& light) const
{
return light.transaction().setColorSaturation(sat).setTransition(transition).commit();
}
bool SimpleColorHueStrategy::setColorHueSaturation(uint16_t hue, uint8_t sat, uint8_t transition, HueLight& light) const
{
return light.transaction().setColorHue(hue).setColorSaturation(sat).setTransition(transition).commit();
}
bool SimpleColorHueStrategy::setColorXY(float x, float y, uint8_t transition, HueLight& light) const
{
return light.transaction().setColorXY(x, y).setTransition(transition).commit();
}
bool SimpleColorHueStrategy::setColorRGB(uint8_t r, uint8_t g, uint8_t b, uint8_t transition, HueLight& light) const
{
if ((r == 0) && (g == 0) && (b == 0))
{
return light.Off();
}
const float red = float(r) / 255;
const float green = float(g) / 255;
const float blue = float(b) / 255;
// gamma correction
const float redCorrected = (red > 0.04045f) ? pow((red + 0.055f) / (1.0f + 0.055f), 2.4f) : (red / 12.92f);
const float greenCorrected = (green > 0.04045f) ? pow((green + 0.055f) / (1.0f + 0.055f), 2.4f) : (green / 12.92f);
const float blueCorrected = (blue > 0.04045f) ? pow((blue + 0.055f) / (1.0f + 0.055f), 2.4f) : (blue / 12.92f);
const float X = redCorrected * 0.664511f + greenCorrected * 0.154324f + blueCorrected * 0.162028f;
const float Y = redCorrected * 0.283881f + greenCorrected * 0.668433f + blueCorrected * 0.047685f;
const float Z = redCorrected * 0.000088f + greenCorrected * 0.072310f + blueCorrected * 0.986039f;
const float x = X / (X + Y + Z);
const float y = Y / (X + Y + Z);
return light.setColorXY(x, y, transition);
}
bool SimpleColorHueStrategy::setColorLoop(bool on, HueLight& light) const
{
return light.transaction().setColorLoop(true).commit();
}
bool SimpleColorHueStrategy::alertHueSaturation(uint16_t hue, uint8_t sat, HueLight& light) const
{
// Careful, only use state until any light function might refresh the value and invalidate the reference
const nlohmann::json& state = light.state.getValue()["state"];
std::string cType = state["colormode"].get<std::string>();
bool on = state["on"].get<bool>();
if (cType == "hs")
{
uint16_t oldHue = state["hue"].get<uint16_t>();
uint8_t oldSat = state["sat"].get<uint8_t>();
if (!light.setColorHueSaturation(hue, sat, 1))
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPreAlertDelay());
if (!light.alert())
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPostAlertDelay());
if (!on)
{
light.setColorHueSaturation(oldHue, oldSat, 1);
return light.Off(1);
}
else
{
return light.setColorHueSaturation(oldHue, oldSat, 1);
}
}
else if (cType == "xy")
{
float oldX = state["xy"][0].get<float>();
float oldY = state["xy"][1].get<float>();
if (!light.setColorHueSaturation(hue, sat, 1))
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPreAlertDelay());
if (!light.alert())
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPostAlertDelay());
if (!on)
{
light.setColorXY(oldX, oldY, 1);
return light.Off(1);
}
else
{
return light.setColorXY(oldX, oldY, 1);
}
}
else
{
return false;
}
}
bool SimpleColorHueStrategy::alertXY(float x, float y, HueLight& light) const
{
// Careful, only use state until any light function might refresh the value and invalidate the reference
const nlohmann::json& state = light.state.getValue()["state"];
std::string cType = state["colormode"].get<std::string>();
bool on = state["on"].get<bool>();
if (cType == "hs")
{
uint16_t oldHue = state["hue"].get<uint16_t>();
uint8_t oldSat = state["sat"].get<uint8_t>();
if (!light.setColorXY(x, y, 1))
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPreAlertDelay());
if (!light.alert())
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPostAlertDelay());
if (!on)
{
light.setColorHueSaturation(oldHue, oldSat, 1);
return light.Off(1);
}
else
{
return light.setColorHueSaturation(oldHue, oldSat, 1);
}
}
else if (cType == "xy")
{
float oldX = state["xy"][0].get<float>();
float oldY = state["xy"][1].get<float>();
if (!light.setColorXY(x, y, 1))
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPreAlertDelay());
if (!light.alert())
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPostAlertDelay());
if (!on)
{
light.setColorXY(oldX, oldY, 1);
return light.Off(1);
}
else
{
return light.setColorXY(oldX, oldY, 1);
}
}
else
{
return false;
}
}
bool SimpleColorHueStrategy::alertRGB(uint8_t r, uint8_t g, uint8_t b, HueLight& light) const
{
// Careful, only use state until any light function might refresh the value and invalidate the reference
const nlohmann::json& state = light.state.getValue()["state"];
std::string cType = state["colormode"].get<std::string>();
bool on = state["on"].get<bool>();
if (cType == "hs")
{
uint16_t oldHue = state["hue"].get<uint16_t>();
uint8_t oldSat = state["sat"].get<uint8_t>();
if (!light.setColorRGB(r, g, b, 1))
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPreAlertDelay());
if (!light.alert())
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPostAlertDelay());
if (!on)
{
light.setColorHueSaturation(oldHue, oldSat, 1);
return light.Off(1);
}
else
{
return light.setColorHueSaturation(oldHue, oldSat, 1);
}
}
else if (cType == "xy")
{
float oldX = state["xy"][0].get<float>();
float oldY = state["xy"][1].get<float>();
if (!light.setColorRGB(r, g, b, 1))
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPreAlertDelay());
if (!light.alert())
{
return false;
}
std::this_thread::sleep_for(Config::instance().getPostAlertDelay());
if (!on)
{
light.setColorXY(oldX, oldY, 1);
return light.Off(1);
}
else
{
return light.setColorXY(oldX, oldY, 1);
}
}
else
{
return false;
}
}
std::pair<uint16_t, uint8_t> SimpleColorHueStrategy::getColorHueSaturation(HueLight& light) const
{
// Save value, so there are no inconsistent results if it is refreshed between two calls
const nlohmann::json& state = light.state.getValue()["state"];
return std::make_pair(state["hue"].get<uint16_t>(), state["sat"].get<uint8_t>());
}
std::pair<uint16_t, uint8_t> SimpleColorHueStrategy::getColorHueSaturation(const HueLight& light) const
{
return std::make_pair(light.state.getValue()["state"]["hue"].get<uint16_t>(),
light.state.getValue()["state"]["sat"].get<uint8_t>());
}
std::pair<float, float> SimpleColorHueStrategy::getColorXY(HueLight& light) const
{
// Save value, so there are no inconsistent results if it is refreshed between two calls
const nlohmann::json& state = light.state.getValue()["state"];
return std::make_pair(state["xy"][0].get<float>(), state["xy"][1].get<float>());
}
std::pair<float, float> SimpleColorHueStrategy::getColorXY(const HueLight& light) const
{
return std::make_pair(light.state.getValue()["state"]["xy"][0].get<float>(), light.state.getValue()["state"]["xy"][1].get<float>());
}
/*bool SimpleColorHueStrategy::pointInTriangle(float pointx, float pointy, float
x0, float y0, float x1, float y1, float x2, float y2)
{
float A = (-y1 * x2 + y0*(-x1 + x2) + x0*(y1 - y2) + x1 * y1);
int8_t sign = A < 0 ? -1 : 1;
float s = (y0 * x2 - x0 * y2 + (y2 - y0) * pointx + (x0 - x2) * pointy) * sign;
float t = (x0 * y1 - y0 * x1 + (y0 - y1) * pointx + (x1 - x0) * pointy) * sign;
return s > 0 && t > 0 && (s + t) < A * sign;
}*/
} // namespace hueplusplus