82 lines
2.8 KiB
C++
Executable File
82 lines
2.8 KiB
C++
Executable File
// Local-Hyperion includes
|
|
#include "LedDevicePhilipsHue.h"
|
|
|
|
#include <iostream>
|
|
|
|
#include <QtCore/qmath.h>
|
|
#include <QUrl>
|
|
#include <QHttpRequestHeader>
|
|
#include <QThread>
|
|
|
|
LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output) :
|
|
host(output.c_str()), username("newdeveloper") {
|
|
http = new QHttp(host, 80);
|
|
}
|
|
|
|
LedDevicePhilipsHue::~LedDevicePhilipsHue() {
|
|
delete http;
|
|
}
|
|
|
|
int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
|
|
// Due to rate limiting (max. 30 request per seconds), discard new values if
|
|
// the previous request have not been completed yet.
|
|
if (http->hasPendingRequests()) {
|
|
return -1;
|
|
}
|
|
unsigned int lightId = 1;
|
|
for (const ColorRgb& color : ledValues) {
|
|
float x, y, b;
|
|
// Scale colors from [0, 255] to [0, 1] and convert to xy space.
|
|
rgbToXYBrightness(color.red / 255.0f, color.green / 255.0f, color.blue / 255.0f, x, y, b);
|
|
// Send adjust color command in JSON format.
|
|
put(getRoute(lightId), QString("{\"xy\": [%1, %2]}").arg(x).arg(y));
|
|
// Send brightness color command in JSON format.
|
|
put(getRoute(lightId), QString("{\"bri\": %1}").arg(qRound(b * 255.0f)));
|
|
// Next light id.
|
|
lightId++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int LedDevicePhilipsHue::switchOff() {
|
|
return 0;
|
|
}
|
|
|
|
void LedDevicePhilipsHue::put(QString route, QString content) {
|
|
QString url = QString("/api/%1/%2").arg(username).arg(route);
|
|
QHttpRequestHeader header("PUT", url);
|
|
header.setValue("Host", host);
|
|
header.setValue("Accept-Encoding", "identity");
|
|
header.setValue("Content-Length", QString("%1").arg(content.size()));
|
|
http->setHost(host);
|
|
http->request(header, content.toAscii());
|
|
// std::cout << "LedDevicePhilipsHue::put(): " << header.toString().toUtf8().constData() << std::endl;
|
|
// std::cout << "LedDevicePhilipsHue::put(): " << content.toUtf8().constData() << std::endl;
|
|
}
|
|
|
|
QString LedDevicePhilipsHue::getRoute(unsigned int lightId) {
|
|
return QString("lights/%1/state").arg(lightId);
|
|
}
|
|
|
|
void LedDevicePhilipsHue::rgbToXYBrightness(float red, float green, float blue, float& x, float& y, float& brightness) {
|
|
// Apply gamma correction.
|
|
red = (red > 0.04045f) ? qPow((red + 0.055f) / (1.0f + 0.055f), 2.4f) : (red / 12.92f);
|
|
green = (green > 0.04045f) ? qPow ((green + 0.055f) / (1.0f + 0.055f), 2.4f) : (green / 12.92f);
|
|
blue = (blue > 0.04045f) ? qPow ((blue + 0.055f) / (1.0f + 0.055f), 2.4f) : (blue / 12.92f);
|
|
// Convert to XYZ space.
|
|
float X = red * 0.649926f + green * 0.103455f + blue * 0.197109f;
|
|
float Y = red * 0.234327f + green * 0.743075f + blue * 0.022598f;
|
|
float Z = red * 0.0000000f + green * 0.053077f + blue * 1.035763f;
|
|
// Convert to x,y space.
|
|
x = X / (X + Y + Z);
|
|
y = Y / (X + Y + Z);
|
|
if (isnan(x)) {
|
|
x = 0.0f;
|
|
}
|
|
if (isnan(y)) {
|
|
y = 0.0f;
|
|
}
|
|
// Brightness is simply Y in the XYZ space.
|
|
brightness = Y;
|
|
}
|