From 46fcc4d63c248f0001b77f38f36d4706247bbf2c Mon Sep 17 00:00:00 2001
From: localhorst <localhorst@mosad.xyz>
Date: Sun, 10 Feb 2019 17:55:09 +0100
Subject: [PATCH] implemented adaptive brightness

---
 FilmLightController/lightmux.cpp   | 55 +++++++++++++++++++++++++++---
 FilmLightController/lightmux.h     |  5 +++
 FilmLightController/mainwindow.cpp |  2 ++
 3 files changed, 58 insertions(+), 4 deletions(-)

diff --git a/FilmLightController/lightmux.cpp b/FilmLightController/lightmux.cpp
index 6fc45ff..a3ea4a5 100644
--- a/FilmLightController/lightmux.cpp
+++ b/FilmLightController/lightmux.cpp
@@ -3,18 +3,27 @@
 LightMux::LightMux()
 {
     temperatur = warmest_temperature;
-    brightness = 50;
+    brightness = 100;
     power_cold = 0;
     power_warm = 0;
     power_combined = 0;
+    adaptive_brightness = false;
+    fullCommonColor = ((warmest_temperature + coldest_temperature) / 2);
+    qDebug("full common color: %i\n", fullCommonColor);
 }
 
 
 void LightMux::mux(){
+    if(adaptive_brightness == true){
+        qDebug("adaptiv\n");
+        mux_adaptiv();
+    } else {
+        qDebug("linear\n");
+        mux_linear();
+    }
+}
 
-    int fullCommonColor = ((warmest_temperature + coldest_temperature) / 2);
-
-    qDebug("full common color: %i\n", fullCommonColor);
+void LightMux::mux_linear() {
 
     if(temperatur == fullCommonColor){
         qDebug("same as full common color\n");
@@ -50,6 +59,44 @@ void LightMux::mux(){
 }
 
 
+void LightMux::mux_adaptiv(){
+
+    if(temperatur == fullCommonColor){
+        qDebug("same as full common color\n");
+        power_cold = 50;
+        power_warm = 50;
+    } else if(temperatur < fullCommonColor) {
+        qDebug("lower as full common color\n");
+        // warm led dominant
+        // cold led recessive
+
+        double a = double((temperatur) - (warmest_temperature));
+        double b = double((-warmest_temperature + coldest_temperature));
+        double c = a / b * 100;
+        power_cold = static_cast<int>(c + .5);
+        power_warm = 100 - power_cold;
+    } else if(temperatur > fullCommonColor) {
+        qDebug("higher as full common color\n");
+        // cold led dominant
+        // warm led recessive
+
+        double a = double((temperatur) - (coldest_temperature));
+        double b = double((-coldest_temperature + warmest_temperature));
+        double c = a / b * 100;
+        power_warm = static_cast<int>(c + .5);
+        power_cold = 100 - power_warm;
+    }
+
+    power_cold = static_cast<int>(double(power_cold * (double(brightness/100.0))) + .5);
+    power_warm = static_cast<int>(double(power_warm * (double(brightness/100.0))) + .5);
+
+    qDebug("cold color: %i\nwarm color: %i\n", power_cold, power_warm);
+
+    power_combined = static_cast<int>(double(power_cold+power_warm) / 2.0);
+
+}
+
+
 void LightMux::decBrightness(){
     brightness--;
     if(brightness < 0){
diff --git a/FilmLightController/lightmux.h b/FilmLightController/lightmux.h
index 78b7102..30e2ad2 100644
--- a/FilmLightController/lightmux.h
+++ b/FilmLightController/lightmux.h
@@ -17,6 +17,8 @@ private:
     int power_warm; // power of the warm LEDs of Panels in percent
     int power_combined; //combined power of both LEDs in percent
 
+    int fullCommonColor; // color mix with both LED´s at same brightess
+
     bool adaptive_brightness; // true indecates adaptive brightness is enabled
 
 public:
@@ -48,6 +50,9 @@ public:
 
     void toogleAdaptiveBrightness();
 
+private:
+    void mux_linear(); // brightness will vary by different color temperature
+    void mux_adaptiv(); // same brightness by different color temperature
 };
 
 #endif // LIGHTMUX_H
diff --git a/FilmLightController/mainwindow.cpp b/FilmLightController/mainwindow.cpp
index c37cbde..685e566 100644
--- a/FilmLightController/mainwindow.cpp
+++ b/FilmLightController/mainwindow.cpp
@@ -114,4 +114,6 @@ void MainWindow::on_lineTemperature_returnPressed()
 void MainWindow::on_checkBox_stateChanged()
 {
     lmux->toogleAdaptiveBrightness();
+    lmux->mux();
+    updateUI();
 }