mirror of
https://github.com/hyperion-project/hyperion.ng.git
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Moved color logic to lamp class.
Former-commit-id: f450eebc8c9d0f29dc053f2115dac6576a5fa591
This commit is contained in:
Tim Niggemann
parent
f0d2c15aeb
commit
dbd7a86665
@ -164,7 +164,7 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
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else if (type == "philipshue")
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{
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const std::string output = deviceConfig["output"].asString();
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const bool switchOffOnBlack = deviceConfig.get("switch_off_on_black", false).asBool();
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const bool switchOffOnBlack = deviceConfig.get("switchOffOnBlack", true).asBool();
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device = new LedDevicePhilipsHue(output, switchOffOnBlack);
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}
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else if (type == "test")
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@ -12,7 +12,125 @@
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#include <set>
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const ColorPoint LedDevicePhilipsHue::BLACK = { 0.0f, 0.0f, 0.0f };
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bool operator ==(CiColor p1, CiColor p2) {
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return (p1.x == p2.x) && (p1.y == p2.y) && (p1.bri == p2.bri);
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}
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bool operator !=(CiColor p1, CiColor p2) {
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return !(p1 == p2);
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}
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PhilipsHueLamp::PhilipsHueLamp(unsigned int id, QString originalState, QString modelId) :
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id(id), originalState(originalState) {
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// Hue system model ids.
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const std::set<QString> HUE_BULBS_MODEL_IDS = { "LCT001", "LCT002", "LCT003" };
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const std::set<QString> LIVING_COLORS_MODEL_IDS = { "LLC001", "LLC005", "LLC006", "LLC007", "LLC011", "LLC012",
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"LLC013", "LST001" };
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// Find id in the sets and set the appropiate color space.
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if (HUE_BULBS_MODEL_IDS.find(modelId) != HUE_BULBS_MODEL_IDS.end()) {
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colorSpace.red = {0.675f, 0.322f};
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colorSpace.green = {0.4091f, 0.518f};
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colorSpace.blue = {0.167f, 0.04f};
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} else if (LIVING_COLORS_MODEL_IDS.find(modelId) != LIVING_COLORS_MODEL_IDS.end()) {
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colorSpace.red = {0.703f, 0.296f};
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colorSpace.green = {0.214f, 0.709f};
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colorSpace.blue = {0.139f, 0.081f};
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} else {
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colorSpace.red = {1.0f, 0.0f};
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colorSpace.green = {0.0f, 1.0f};
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colorSpace.blue = {0.0f, 0.0f};
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}
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// Initialize black color.
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black = rgbToCiColor(0.0f, 0.0f, 0.0f);
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// Initialize color with black
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color = {black.x, black.y, black.bri};
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}
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float PhilipsHueLamp::crossProduct(CiColor p1, CiColor p2) {
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return p1.x * p2.y - p1.y * p2.x;
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}
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bool PhilipsHueLamp::isPointInLampsReach(CiColor p) {
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CiColor v1 = { colorSpace.green.x - colorSpace.red.x, colorSpace.green.y - colorSpace.red.y };
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CiColor v2 = { colorSpace.blue.x - colorSpace.red.x, colorSpace.blue.y - colorSpace.red.y };
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CiColor q = { p.x - colorSpace.red.x, p.y - colorSpace.red.y };
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float s = crossProduct(q, v2) / crossProduct(v1, v2);
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float t = crossProduct(v1, q) / crossProduct(v1, v2);
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if ((s >= 0.0f) && (t >= 0.0f) && (s + t <= 1.0f)) {
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return true;
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}
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return false;
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}
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CiColor PhilipsHueLamp::getClosestPointToPoint(CiColor a, CiColor b, CiColor p) {
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CiColor AP = { p.x - a.x, p.y - a.y };
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CiColor AB = { b.x - a.x, b.y - a.y };
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float ab2 = AB.x * AB.x + AB.y * AB.y;
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float ap_ab = AP.x * AB.x + AP.y * AB.y;
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float t = ap_ab / ab2;
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if (t < 0.0f) {
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t = 0.0f;
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} else if (t > 1.0f) {
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t = 1.0f;
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}
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return {a.x + AB.x * t, a.y + AB.y * t};
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}
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float PhilipsHueLamp::getDistanceBetweenTwoPoints(CiColor p1, CiColor p2) {
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// Horizontal difference.
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float dx = p1.x - p2.x;
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// Vertical difference.
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float dy = p1.y - p2.y;
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// Absolute value.
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return sqrt(dx * dx + dy * dy);
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}
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CiColor PhilipsHueLamp::rgbToCiColor(float red, float green, float blue) {
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// Apply gamma correction.
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float r = (red > 0.04045f) ? powf((red + 0.055f) / (1.0f + 0.055f), 2.4f) : (red / 12.92f);
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float g = (green > 0.04045f) ? powf((green + 0.055f) / (1.0f + 0.055f), 2.4f) : (green / 12.92f);
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float b = (blue > 0.04045f) ? powf((blue + 0.055f) / (1.0f + 0.055f), 2.4f) : (blue / 12.92f);
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// Convert to XYZ space.
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float X = r * 0.649926f + g * 0.103455f + b * 0.197109f;
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float Y = r * 0.234327f + g * 0.743075f + b * 0.022598f;
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float Z = r * 0.0000000f + g * 0.053077f + b * 1.035763f;
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// Convert to x,y space.
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float cx = X / (X + Y + Z);
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float cy = Y / (X + Y + Z);
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if (isnan(cx)) {
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cx = 0.0f;
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}
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if (isnan(cy)) {
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cy = 0.0f;
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}
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// Brightness is simply Y in the XYZ space.
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CiColor xy = { cx, cy, Y };
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// Check if the given XY value is within the color reach of our lamps.
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if (!isPointInLampsReach(xy)) {
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// It seems the color is out of reach let's find the closes color we can produce with our lamp and send this XY value out.
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CiColor pAB = getClosestPointToPoint(colorSpace.red, colorSpace.green, xy);
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CiColor pAC = getClosestPointToPoint(colorSpace.blue, colorSpace.red, xy);
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CiColor pBC = getClosestPointToPoint(colorSpace.green, colorSpace.blue, xy);
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// Get the distances per point and see which point is closer to our Point.
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float dAB = getDistanceBetweenTwoPoints(xy, pAB);
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float dAC = getDistanceBetweenTwoPoints(xy, pAC);
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float dBC = getDistanceBetweenTwoPoints(xy, pBC);
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float lowest = dAB;
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CiColor closestPoint = pAB;
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if (dAC < lowest) {
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lowest = dAC;
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closestPoint = pAC;
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}
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if (dBC < lowest) {
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lowest = dBC;
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closestPoint = pBC;
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}
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// Change the xy value to a value which is within the reach of the lamp.
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xy.x = closestPoint.x;
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xy.y = closestPoint.y;
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}
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return xy;
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}
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LedDevicePhilipsHue::LedDevicePhilipsHue(const std::string& output, bool switchOffOnBlack) :
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host(output.c_str()), username("newdeveloper"), switchOffOnBlack(switchOffOnBlack) {
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@ -41,25 +159,35 @@ int LedDevicePhilipsHue::write(const std::vector<ColorRgb> & ledValues) {
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unsigned int idx = 0;
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for (const ColorRgb& color : ledValues) {
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// Get lamp.
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HueLamp& lamp = lamps.at(idx);
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PhilipsHueLamp& lamp = lamps.at(idx);
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// Scale colors from [0, 255] to [0, 1] and convert to xy space.
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ColorPoint xy = rgbToXYBrightness(color.red / 255.0f, color.green / 255.0f, color.blue / 255.0f, lamp);
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// Switch lamp off if switchOffOnBlack is enabled and the lamp is currently on.
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if (switchOffOnBlack && xy == BLACK && lamp.color != BLACK) {
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put(getStateRoute(lamp.id), QString("{\"on\": false}"));
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}
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CiColor xy = lamp.rgbToCiColor(color.red / 255.0f, color.green / 255.0f, color.blue / 255.0f);
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// Write color if color has been changed.
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else if (xy != lamp.color) {
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if (xy != lamp.color) {
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// Switch on if the lamp has been previously switched off.
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if (switchOffOnBlack && lamp.color == BLACK) {
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put(getStateRoute(lamp.id), QString("{\"on\": true}"));
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if (switchOffOnBlack && lamp.color == lamp.black) {
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}
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// Send adjust color and brightness command in JSON format.
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put(getStateRoute(lamp.id),
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QString("{\"xy\": [%1, %2], \"bri\": %3}").arg(xy.x).arg(xy.y).arg(qRound(xy.bri * 255.0f)));
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// Remember written color.
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lamp.color = xy;
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}
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// Switch lamp off if switchOffOnBlack is enabled and the lamp is currently on.
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if (switchOffOnBlack) {
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// From black to a color.
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if (lamp.color == lamp.black && xy != lamp.black) {
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put(getStateRoute(lamp.id), QString("{\"on\": true}"));
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std::cout << "switchon" << std::endl;
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}
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// From a color to black.
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else if (lamp.color != lamp.black && xy == lamp.black) {
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put(getStateRoute(lamp.id), QString("{\"on\": false}"));
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std::cout << "switchoff" << std::endl;
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}
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}
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// Remember last color.
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lamp.color = xy;
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// Next light id.
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idx++;
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}
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@ -142,18 +270,18 @@ void LedDevicePhilipsHue::saveStates(unsigned int nLights) {
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QString modelId = QString(writer.write(json["modelid"]).c_str()).trimmed().replace("\"", "");
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QString originalState = QString(writer.write(state).c_str()).trimmed();
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// Save state object.
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lamps.push_back(HueLamp(i + 1, originalState, modelId));
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lamps.push_back(PhilipsHueLamp(i + 1, originalState, modelId));
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}
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}
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void LedDevicePhilipsHue::switchOn(unsigned int nLights) {
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for (HueLamp lamp : lamps) {
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for (PhilipsHueLamp lamp : lamps) {
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put(getStateRoute(lamp.id), "{\"on\": true}");
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}
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}
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void LedDevicePhilipsHue::restoreStates() {
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for (HueLamp lamp : lamps) {
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for (PhilipsHueLamp lamp : lamps) {
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put(getStateRoute(lamp.id), lamp.originalState);
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}
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// Clear saved light states.
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@ -163,123 +291,3 @@ void LedDevicePhilipsHue::restoreStates() {
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bool LedDevicePhilipsHue::areStatesSaved() {
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return !lamps.empty();
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}
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float LedDevicePhilipsHue::crossProduct(ColorPoint p1, ColorPoint p2) {
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return p1.x * p2.y - p1.y * p2.x;
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}
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bool LedDevicePhilipsHue::isPointInLampsReach(HueLamp lamp, ColorPoint p) {
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ColorTriangle& triangle = lamp.colorSpace;
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ColorPoint v1 = { triangle.green.x - triangle.red.x, triangle.green.y - triangle.red.y };
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ColorPoint v2 = { triangle.blue.x - triangle.red.x, triangle.blue.y - triangle.red.y };
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ColorPoint q = { p.x - triangle.red.x, p.y - triangle.red.y };
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float s = crossProduct(q, v2) / crossProduct(v1, v2);
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float t = crossProduct(v1, q) / crossProduct(v1, v2);
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if ((s >= 0.0f) && (t >= 0.0f) && (s + t <= 1.0f)) {
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return true;
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} else {
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return false;
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}
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}
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ColorPoint LedDevicePhilipsHue::getClosestPointToPoint(ColorPoint a, ColorPoint b, ColorPoint p) {
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ColorPoint AP = { p.x - a.x, p.y - a.y };
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ColorPoint AB = { b.x - a.x, b.y - a.y };
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float ab2 = AB.x * AB.x + AB.y * AB.y;
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float ap_ab = AP.x * AB.x + AP.y * AB.y;
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float t = ap_ab / ab2;
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if (t < 0.0f) {
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t = 0.0f;
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} else if (t > 1.0f) {
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t = 1.0f;
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}
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return {a.x + AB.x * t, a.y + AB.y * t};
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}
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float LedDevicePhilipsHue::getDistanceBetweenTwoPoints(ColorPoint p1, ColorPoint p2) {
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// Horizontal difference.
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float dx = p1.x - p2.x;
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// Vertical difference.
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float dy = p1.y - p2.y;
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// Absolute value.
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return sqrt(dx * dx + dy * dy);
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}
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ColorPoint LedDevicePhilipsHue::rgbToXYBrightness(float red, float green, float blue, HueLamp lamp) {
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// Apply gamma correction.
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float r = (red > 0.04045f) ? powf((red + 0.055f) / (1.0f + 0.055f), 2.4f) : (red / 12.92f);
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float g = (green > 0.04045f) ? powf((green + 0.055f) / (1.0f + 0.055f), 2.4f) : (green / 12.92f);
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float b = (blue > 0.04045f) ? powf((blue + 0.055f) / (1.0f + 0.055f), 2.4f) : (blue / 12.92f);
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// Convert to XYZ space.
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float X = r * 0.649926f + g * 0.103455f + b * 0.197109f;
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float Y = r * 0.234327f + g * 0.743075f + b * 0.022598f;
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float Z = r * 0.0000000f + g * 0.053077f + b * 1.035763f;
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// Convert to x,y space.
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float cx = X / (X + Y + Z);
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float cy = Y / (X + Y + Z);
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if (isnan(cx)) {
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cx = 0.0f;
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}
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if (isnan(cy)) {
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cy = 0.0f;
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}
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// Brightness is simply Y in the XYZ space.
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ColorPoint xy = { cx, cy, Y };
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// Check if the given XY value is within the color reach of our lamps.
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if (!isPointInLampsReach(lamp, xy)) {
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// It seems the color is out of reach let's find the closes color we can produce with our lamp and send this XY value out.
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ColorPoint pAB = getClosestPointToPoint(lamp.colorSpace.red, lamp.colorSpace.green, xy);
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ColorPoint pAC = getClosestPointToPoint(lamp.colorSpace.blue, lamp.colorSpace.red, xy);
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ColorPoint pBC = getClosestPointToPoint(lamp.colorSpace.green, lamp.colorSpace.blue, xy);
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// Get the distances per point and see which point is closer to our Point.
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float dAB = getDistanceBetweenTwoPoints(xy, pAB);
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float dAC = getDistanceBetweenTwoPoints(xy, pAC);
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float dBC = getDistanceBetweenTwoPoints(xy, pBC);
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float lowest = dAB;
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ColorPoint closestPoint = pAB;
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if (dAC < lowest) {
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lowest = dAC;
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closestPoint = pAC;
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}
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if (dBC < lowest) {
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lowest = dBC;
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closestPoint = pBC;
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}
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// Change the xy value to a value which is within the reach of the lamp.
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xy.x = closestPoint.x;
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xy.y = closestPoint.y;
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}
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return xy;
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}
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HueLamp::HueLamp(unsigned int id, QString originalState, QString modelId) :
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id(id), originalState(originalState) {
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// Hue system model ids.
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const std::set<QString> HUE_BULBS_MODEL_IDS = { "LCT001", "LCT002", "LCT003" };
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const std::set<QString> LIVING_COLORS_MODEL_IDS = { "LLC001", "LLC005", "LLC006", "LLC007", "LLC011", "LLC012",
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"LLC013", "LST001" };
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// Find id in the sets and set the appropiate color space.
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if (HUE_BULBS_MODEL_IDS.find(modelId) != HUE_BULBS_MODEL_IDS.end()) {
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colorSpace.red = {0.675f, 0.322f};
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colorSpace.green = {0.4091f, 0.518f};
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colorSpace.blue = {0.167f, 0.04f};
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} else if (LIVING_COLORS_MODEL_IDS.find(modelId) != LIVING_COLORS_MODEL_IDS.end()) {
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colorSpace.red = {0.703f, 0.296f};
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colorSpace.green = {0.214f, 0.709f};
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colorSpace.blue = {0.139f, 0.081f};
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} else {
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colorSpace.red = {1.0f, 0.0f};
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colorSpace.green = {0.0f, 1.0f};
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colorSpace.blue = {0.0f, 0.0f};
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}
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// Initialize color with black
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color = {0.0f, 0.0f, 0.0f};
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}
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bool operator ==(ColorPoint p1, ColorPoint p2) {
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return (p1.x == p2.x) && (p1.y == p2.y) && (p1.bri == p2.bri);
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}
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bool operator !=(ColorPoint p1, ColorPoint p2) {
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return !(p1 == p2);
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}
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@ -15,30 +15,34 @@
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/**
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* A color point in the color space of the hue system.
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*/
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struct ColorPoint {
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struct CiColor {
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/// X component.
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float x;
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/// Y component.
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float y;
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/// The brightness.
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float bri;
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};
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bool operator==(ColorPoint p1, ColorPoint p2);
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bool operator!=(ColorPoint p1, ColorPoint p2);
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bool operator==(CiColor p1, CiColor p2);
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bool operator!=(CiColor p1, CiColor p2);
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/**
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* Color triangle to define an available color space for the hue lamps.
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*/
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struct ColorTriangle {
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ColorPoint red, green, blue;
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struct CiColorTriangle {
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CiColor red, green, blue;
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};
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/**
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* Simple class to hold the id, the latest color, the color space and the original state.
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*/
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class HueLamp {
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class PhilipsHueLamp {
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public:
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unsigned int id;
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ColorPoint color;
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ColorTriangle colorSpace;
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CiColor black;
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CiColor color;
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CiColorTriangle colorSpace;
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QString originalState;
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///
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@ -50,7 +54,57 @@ public:
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///
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/// @param modelId the model id of the hue lamp which is used to determine the color space
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///
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HueLamp(unsigned int id, QString originalState, QString modelId);
|
||||
PhilipsHueLamp(unsigned int id, QString originalState, QString modelId);
|
||||
|
||||
///
|
||||
/// Converts an RGB color to the Hue xy color space and brightness.
|
||||
/// https://github.com/PhilipsHue/PhilipsHueSDK-iOS-OSX/blob/master/ApplicationDesignNotes/RGB%20to%20xy%20Color%20conversion.md
|
||||
///
|
||||
/// @param red the red component in [0, 1]
|
||||
///
|
||||
/// @param green the green component in [0, 1]
|
||||
///
|
||||
/// @param blue the blue component in [0, 1]
|
||||
///
|
||||
/// @return color point
|
||||
///
|
||||
CiColor rgbToCiColor(float red, float green, float blue);
|
||||
|
||||
///
|
||||
/// @param p the color point to check
|
||||
///
|
||||
/// @return true if the color point is covered by the lamp color space
|
||||
///
|
||||
bool isPointInLampsReach(CiColor p);
|
||||
|
||||
///
|
||||
/// @param p1 point one
|
||||
///
|
||||
/// @param p2 point tow
|
||||
///
|
||||
/// @return the cross product between p1 and p2
|
||||
///
|
||||
float crossProduct(CiColor p1, CiColor p2);
|
||||
|
||||
///
|
||||
/// @param a reference point one
|
||||
///
|
||||
/// @param b reference point two
|
||||
///
|
||||
/// @param p the point to which the closest point is to be found
|
||||
///
|
||||
/// @return the closest color point of p to a and b
|
||||
///
|
||||
CiColor getClosestPointToPoint(CiColor a, CiColor b, CiColor p);
|
||||
|
||||
///
|
||||
/// @param p1 point one
|
||||
///
|
||||
/// @param p2 point tow
|
||||
///
|
||||
/// @return the distance between the two points
|
||||
///
|
||||
float getDistanceBetweenTwoPoints(CiColor p1, CiColor p2);
|
||||
};
|
||||
|
||||
/**
|
||||
@ -97,9 +151,8 @@ private slots:
|
||||
void restoreStates();
|
||||
|
||||
private:
|
||||
const static ColorPoint BLACK;
|
||||
/// Array to save the lamps.
|
||||
std::vector<HueLamp> lamps;
|
||||
std::vector<PhilipsHueLamp> lamps;
|
||||
/// Ip address of the bridge
|
||||
QString host;
|
||||
/// User name for the API ("newdeveloper")
|
||||
@ -162,58 +215,4 @@ private:
|
||||
///
|
||||
bool areStatesSaved();
|
||||
|
||||
///
|
||||
/// Converts an RGB color to the Hue xy color space and brightness.
|
||||
/// https://github.com/PhilipsHue/PhilipsHueSDK-iOS-OSX/blob/master/ApplicationDesignNotes/RGB%20to%20xy%20Color%20conversion.md
|
||||
///
|
||||
/// @param red the red component in [0, 1]
|
||||
///
|
||||
/// @param green the green component in [0, 1]
|
||||
///
|
||||
/// @param blue the blue component in [0, 1]
|
||||
///
|
||||
/// @param lamp the hue lamp instance used for color space checks.
|
||||
///
|
||||
/// @return color point
|
||||
///
|
||||
ColorPoint rgbToXYBrightness(float red, float green, float blue, HueLamp lamp);
|
||||
|
||||
///
|
||||
/// @param p1 point one
|
||||
///
|
||||
/// @param p2 point tow
|
||||
///
|
||||
/// @return the cross product between p1 and p2
|
||||
///
|
||||
float crossProduct(ColorPoint p1, ColorPoint p2);
|
||||
|
||||
///
|
||||
/// @param lamp the hue lamp instance
|
||||
///
|
||||
/// @param p the color point to check
|
||||
///
|
||||
/// @return true if the color point is covered by the lamp color space
|
||||
///
|
||||
bool isPointInLampsReach(HueLamp lamp, ColorPoint p);
|
||||
|
||||
///
|
||||
/// @param a reference point one
|
||||
///
|
||||
/// @param b reference point two
|
||||
///
|
||||
/// @param p the point to which the closest point is to be found
|
||||
///
|
||||
/// @return the closest color point of p to a and b
|
||||
///
|
||||
ColorPoint getClosestPointToPoint(ColorPoint a, ColorPoint b, ColorPoint p);
|
||||
|
||||
///
|
||||
/// @param p1 point one
|
||||
///
|
||||
/// @param p2 point tow
|
||||
///
|
||||
/// @return the distance between the two points
|
||||
///
|
||||
float getDistanceBetweenTwoPoints(ColorPoint p1, ColorPoint p2);
|
||||
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user