mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
Implemented color triangle calculations.
Former-commit-id: dbde6635077a82ace5f4ed1fdf89458a28e7bf05
This commit is contained in:
parent
853d002894
commit
f5a8174783
@ -10,6 +10,8 @@
|
|||||||
#include <QHttpRequestHeader>
|
#include <QHttpRequestHeader>
|
||||||
#include <QEventLoop>
|
#include <QEventLoop>
|
||||||
|
|
||||||
|
#include <set>
|
||||||
|
|
||||||
LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output) :
|
LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output) :
|
||||||
host(output.c_str()), username("newdeveloper") {
|
host(output.c_str()), username("newdeveloper") {
|
||||||
http = new QHttp(host);
|
http = new QHttp(host);
|
||||||
@ -24,18 +26,21 @@ LedDevicePhilipsHue::~LedDevicePhilipsHue() {
|
|||||||
|
|
||||||
int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
|
int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
|
||||||
// Save light states if not done before.
|
// Save light states if not done before.
|
||||||
if (!statesSaved()) {
|
if (!areStatesSaved()) {
|
||||||
saveStates(ledValues.size());
|
saveStates((unsigned int) ledValues.size());
|
||||||
switchOn(ledValues.size());
|
switchOn((unsigned int) ledValues.size());
|
||||||
}
|
}
|
||||||
// Iterate through colors and set light states.
|
// Iterate through colors and set light states.
|
||||||
unsigned int lightId = 1;
|
unsigned int lightId = 1;
|
||||||
for (const ColorRgb& color : ledValues) {
|
for (const ColorRgb& color : ledValues) {
|
||||||
float x, y, b;
|
// Find triangle.
|
||||||
|
CGTriangle triangle = triangles.at(lightId - 1);
|
||||||
// Scale colors from [0, 255] to [0, 1] and convert to xy space.
|
// 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);
|
CGPoint xy;
|
||||||
|
float b;
|
||||||
|
rgbToXYBrightness(color.red / 255.0f, color.green / 255.0f, color.blue / 255.0f, triangle, xy, b);
|
||||||
// Send adjust color command in JSON format.
|
// Send adjust color command in JSON format.
|
||||||
put(getStateRoute(lightId), QString("{\"xy\": [%1, %2]}").arg(x).arg(y));
|
put(getStateRoute(lightId), QString("{\"xy\": [%1, %2]}").arg(xy.x).arg(xy.y));
|
||||||
// Send brightness color command in JSON format.
|
// Send brightness color command in JSON format.
|
||||||
put(getStateRoute(lightId), QString("{\"bri\": %1}").arg(qRound(b * 255.0f)));
|
put(getStateRoute(lightId), QString("{\"bri\": %1}").arg(qRound(b * 255.0f)));
|
||||||
// Next light id.
|
// Next light id.
|
||||||
@ -48,7 +53,7 @@ int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
|
|||||||
int LedDevicePhilipsHue::switchOff() {
|
int LedDevicePhilipsHue::switchOff() {
|
||||||
timer.stop();
|
timer.stop();
|
||||||
// If light states have been saved before, ...
|
// If light states have been saved before, ...
|
||||||
if (statesSaved()) {
|
if (areStatesSaved()) {
|
||||||
// ... restore them.
|
// ... restore them.
|
||||||
restoreStates();
|
restoreStates();
|
||||||
}
|
}
|
||||||
@ -93,6 +98,27 @@ QString LedDevicePhilipsHue::getRoute(unsigned int lightId) {
|
|||||||
return QString("lights/%1").arg(lightId);
|
return QString("lights/%1").arg(lightId);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
CGTriangle LedDevicePhilipsHue::getTriangle(QString modelId) {
|
||||||
|
const std::set<QString> HUE_BULBS_MODEL_IDS = { "LCT001", "LCT002", "LCT003" };
|
||||||
|
const std::set<QString> LIVING_COLORS_MODEL_IDS = { "LLC001", "LLC005", "LLC006", "LLC007", "LLC011", "LLC012",
|
||||||
|
"LLC013", "LST001" };
|
||||||
|
CGTriangle triangle;
|
||||||
|
if (HUE_BULBS_MODEL_IDS.find(modelId) != HUE_BULBS_MODEL_IDS.end()) {
|
||||||
|
triangle.red = {0.675f, 0.322f};
|
||||||
|
triangle.green = {0.4091f, 0.518f};
|
||||||
|
triangle.blue = {0.167f, 0.04f};
|
||||||
|
} else if (LIVING_COLORS_MODEL_IDS.find(modelId) != LIVING_COLORS_MODEL_IDS.end()) {
|
||||||
|
triangle.red = {0.703f, 0.296f};
|
||||||
|
triangle.green = {0.214f, 0.709f};
|
||||||
|
triangle.blue = {0.139f, 0.081f};
|
||||||
|
} else {
|
||||||
|
triangle.red = {1.0f, 0.0f};
|
||||||
|
triangle.green = {0.0f, 1.0f};
|
||||||
|
triangle.blue = {0.0f, 0.0f};
|
||||||
|
}
|
||||||
|
return triangle;
|
||||||
|
}
|
||||||
|
|
||||||
void LedDevicePhilipsHue::saveStates(unsigned int nLights) {
|
void LedDevicePhilipsHue::saveStates(unsigned int nLights) {
|
||||||
// Clear saved light states.
|
// Clear saved light states.
|
||||||
states.clear();
|
states.clear();
|
||||||
@ -116,8 +142,12 @@ void LedDevicePhilipsHue::saveStates(unsigned int nLights) {
|
|||||||
state["xy"] = json["state"]["xy"];
|
state["xy"] = json["state"]["xy"];
|
||||||
state["bri"] = json["state"]["bri"];
|
state["bri"] = json["state"]["bri"];
|
||||||
}
|
}
|
||||||
|
// Save id.
|
||||||
|
ids.push_back(QString(writer.write(json["modelid"]).c_str()).trimmed().replace("\"", ""));
|
||||||
// Save state object.
|
// Save state object.
|
||||||
states.push_back(QString(writer.write(state).c_str()).trimmed());
|
states.push_back(QString(writer.write(state).c_str()).trimmed());
|
||||||
|
// Determine triangle.
|
||||||
|
triangles.push_back(getTriangle(ids.back()));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -137,27 +167,94 @@ void LedDevicePhilipsHue::restoreStates() {
|
|||||||
states.clear();
|
states.clear();
|
||||||
}
|
}
|
||||||
|
|
||||||
bool LedDevicePhilipsHue::statesSaved() {
|
bool LedDevicePhilipsHue::areStatesSaved() {
|
||||||
return !states.empty();
|
return !states.empty();
|
||||||
}
|
}
|
||||||
|
|
||||||
void LedDevicePhilipsHue::rgbToXYBrightness(float red, float green, float blue, float& x, float& y, float& brightness) {
|
float LedDevicePhilipsHue::crossProduct(CGPoint p1, CGPoint p2) {
|
||||||
// Apply gamma correction.
|
return p1.x * p2.y - p1.y * p2.x;
|
||||||
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;
|
bool LedDevicePhilipsHue::isPointInLampsReach(CGTriangle triangle, CGPoint p) {
|
||||||
|
CGPoint v1 = { triangle.green.x - triangle.red.x, triangle.green.y - triangle.red.y };
|
||||||
|
CGPoint v2 = { triangle.blue.x - triangle.red.x, triangle.blue.y - triangle.red.y };
|
||||||
|
CGPoint q = { p.x - triangle.red.x, p.y - triangle.red.y };
|
||||||
|
float s = crossProduct(q, v2) / crossProduct(v1, v2);
|
||||||
|
float t = crossProduct(v1, q) / crossProduct(v1, v2);
|
||||||
|
if ((s >= 0.0f) && (t >= 0.0f) && (s + t <= 1.0f)) {
|
||||||
|
return true;
|
||||||
|
} else {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
CGPoint LedDevicePhilipsHue::getClosestPointToPoint(CGPoint A, CGPoint B, CGPoint P) {
|
||||||
|
CGPoint AP = { P.x - A.x, P.y - A.y };
|
||||||
|
CGPoint AB = { B.x - A.x, B.y - A.y };
|
||||||
|
float ab2 = AB.x * AB.x + AB.y * AB.y;
|
||||||
|
float ap_ab = AP.x * AB.x + AP.y * AB.y;
|
||||||
|
float t = ap_ab / ab2;
|
||||||
|
if (t < 0.0f) {
|
||||||
|
t = 0.0f;
|
||||||
|
} else if (t > 1.0f) {
|
||||||
|
t = 1.0f;
|
||||||
|
}
|
||||||
|
return {A.x + AB.x * t, A.y + AB.y * t};
|
||||||
|
}
|
||||||
|
|
||||||
|
float LedDevicePhilipsHue::getDistanceBetweenTwoPoints(CGPoint one, CGPoint two) {
|
||||||
|
// Horizontal difference.
|
||||||
|
float dx = one.x - two.x;
|
||||||
|
// Vertical difference.
|
||||||
|
float dy = one.y - two.y;
|
||||||
|
float dist = sqrt(dx * dx + dy * dy);
|
||||||
|
return dist;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LedDevicePhilipsHue::rgbToXYBrightness(float red, float green, float blue, CGTriangle triangle, CGPoint& xyPoint,
|
||||||
|
float& brightness) {
|
||||||
|
// Apply gamma correction.
|
||||||
|
float r = (red > 0.04045f) ? powf((red + 0.055f) / (1.0f + 0.055f), 2.4f) : (red / 12.92f);
|
||||||
|
float g = (green > 0.04045f) ? powf((green + 0.055f) / (1.0f + 0.055f), 2.4f) : (green / 12.92f);
|
||||||
|
float b = (blue > 0.04045f) ? powf((blue + 0.055f) / (1.0f + 0.055f), 2.4f) : (blue / 12.92f);
|
||||||
|
// Convert to XYZ space.
|
||||||
|
float X = r * 0.649926f + g * 0.103455f + b * 0.197109f;
|
||||||
|
float Y = r * 0.234327f + g * 0.743075f + b * 0.022598f;
|
||||||
|
float Z = r * 0.0000000f + g * 0.053077f + b * 1.035763f;
|
||||||
|
// Convert to x,y space.
|
||||||
|
float cx = X / (X + Y + Z + 0.0000001f);
|
||||||
|
float cy = Y / (X + Y + Z + 0.0000001f);
|
||||||
|
if (isnan(cx)) {
|
||||||
|
cx = 0.0f;
|
||||||
|
}
|
||||||
|
if (isnan(cy)) {
|
||||||
|
cy = 0.0f;
|
||||||
|
}
|
||||||
|
xyPoint.x = cx;
|
||||||
|
xyPoint.y = cy;
|
||||||
|
// Check if the given XY value is within the colourreach of our lamps.
|
||||||
|
if (!isPointInLampsReach(triangle, xyPoint)) {
|
||||||
|
// It seems the colour is out of reach let's find the closes colour we can produce with our lamp and send this XY value out.
|
||||||
|
CGPoint pAB = getClosestPointToPoint(triangle.red, triangle.green, xyPoint);
|
||||||
|
CGPoint pAC = getClosestPointToPoint(triangle.blue, triangle.red, xyPoint);
|
||||||
|
CGPoint pBC = getClosestPointToPoint(triangle.green, triangle.blue, xyPoint);
|
||||||
|
// Get the distances per point and see which point is closer to our Point.
|
||||||
|
float dAB = getDistanceBetweenTwoPoints(xyPoint, pAB);
|
||||||
|
float dAC = getDistanceBetweenTwoPoints(xyPoint, pAC);
|
||||||
|
float dBC = getDistanceBetweenTwoPoints(xyPoint, pBC);
|
||||||
|
float lowest = dAB;
|
||||||
|
CGPoint closestPoint = pAB;
|
||||||
|
if (dAC < lowest) {
|
||||||
|
lowest = dAC;
|
||||||
|
closestPoint = pAC;
|
||||||
|
}
|
||||||
|
if (dBC < lowest) {
|
||||||
|
lowest = dBC;
|
||||||
|
closestPoint = pBC;
|
||||||
|
}
|
||||||
|
// Change the xy value to a value which is within the reach of the lamp.
|
||||||
|
xyPoint.x = closestPoint.x;
|
||||||
|
xyPoint.y = closestPoint.y;
|
||||||
}
|
}
|
||||||
// Brightness is simply Y in the XYZ space.
|
// Brightness is simply Y in the XYZ space.
|
||||||
brightness = Y;
|
brightness = Y;
|
||||||
|
@ -12,6 +12,15 @@
|
|||||||
// Leddevice includes
|
// Leddevice includes
|
||||||
#include <leddevice/LedDevice.h>
|
#include <leddevice/LedDevice.h>
|
||||||
|
|
||||||
|
struct CGPoint {
|
||||||
|
float x;
|
||||||
|
float y;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct CGTriangle {
|
||||||
|
CGPoint red, green, blue;
|
||||||
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Implementation for the Philips Hue system.
|
* Implementation for the Philips Hue system.
|
||||||
*
|
*
|
||||||
@ -56,6 +65,10 @@ private slots:
|
|||||||
private:
|
private:
|
||||||
/// Array to save the light states.
|
/// Array to save the light states.
|
||||||
std::vector<QString> states;
|
std::vector<QString> states;
|
||||||
|
/// Array to save model ids.
|
||||||
|
std::vector<QString> ids;
|
||||||
|
/// Color triangles.
|
||||||
|
std::vector<CGTriangle> triangles;
|
||||||
/// Ip address of the bridge
|
/// Ip address of the bridge
|
||||||
QString host;
|
QString host;
|
||||||
/// User name for the API ("newdeveloper")
|
/// User name for the API ("newdeveloper")
|
||||||
@ -114,7 +127,7 @@ private:
|
|||||||
///
|
///
|
||||||
/// @return true if light states have been saved.
|
/// @return true if light states have been saved.
|
||||||
///
|
///
|
||||||
bool statesSaved();
|
bool areStatesSaved();
|
||||||
|
|
||||||
///
|
///
|
||||||
/// Converts an RGB color to the Hue xy color space and brightness
|
/// Converts an RGB color to the Hue xy color space and brightness
|
||||||
@ -126,12 +139,16 @@ private:
|
|||||||
///
|
///
|
||||||
/// @param blue the blue component in [0, 1]
|
/// @param blue the blue component in [0, 1]
|
||||||
///
|
///
|
||||||
/// @param x converted x component
|
/// @param xyPoint converted xy component
|
||||||
///
|
|
||||||
/// @param y converted y component
|
|
||||||
///
|
///
|
||||||
/// @param brightness converted brightness component
|
/// @param brightness converted brightness component
|
||||||
///
|
///
|
||||||
void rgbToXYBrightness(float red, float green, float blue, float& x, float& y, float& brightness);
|
void rgbToXYBrightness(float red, float green, float blue, CGTriangle triangle, CGPoint& xyPoint, float& brightness);
|
||||||
|
|
||||||
|
CGTriangle getTriangle(QString modelId);
|
||||||
|
float crossProduct(CGPoint p1, CGPoint p2);
|
||||||
|
bool isPointInLampsReach(CGTriangle triangle, CGPoint p);
|
||||||
|
CGPoint getClosestPointToPoint(CGPoint a, CGPoint b, CGPoint p);
|
||||||
|
float getDistanceBetweenTwoPoints(CGPoint one, CGPoint two);
|
||||||
|
|
||||||
};
|
};
|
||||||
|
Loading…
Reference in New Issue
Block a user