+void setValues(std::vector<int>& theRGB, const int theRed, const int theGreen, const int theBlue)
+{
+ theRGB.push_back(theRed);
+ theRGB.push_back(theGreen);
+ theRGB.push_back(theBlue);
+}
+
+std::vector<int> HSVtoRGB(int theH, int theS, int theV)
+{
+ std::vector<int> aRGB;
+ if (theH < 0 || theH > 360 ||
+ theS < 0 || theS > 100 ||
+ theV < 0 || theV > 100)
+ return aRGB;
+
+ int aHi = (int)theH/60;
+ double aV = theV;
+ double aVmin = (100 - theS)*theV/100;
+ double anA = (theV - aVmin)* (theH % 60) / 60;
+ double aVinc = aVmin + anA;
+ double aVdec = theV - anA;
+ double aPercentToValue = 255./100;
+ int aV_int = (int)(aV*aPercentToValue);
+ int aVinc_int = (int)(aVinc*aPercentToValue);
+ int aVmin_int = (int)(aVmin*aPercentToValue);
+ int aVdec_int = (int)(aVdec*aPercentToValue);
+
+ switch(aHi) {
+ case 0: setValues(aRGB, aV_int, aVinc_int, aVmin_int); break;
+ case 1: setValues(aRGB, aVdec_int, aV_int, aVmin_int); break;
+ case 2: setValues(aRGB, aVmin_int, aV_int, aVinc_int); break;
+ case 3: setValues(aRGB, aVmin_int, aVdec_int, aV_int); break;
+ case 4: setValues(aRGB, aVinc_int, aVmin_int, aV_int); break;
+ case 5: setValues(aRGB, aV_int, aVmin_int, aVdec_int); break;
+ default: break;
+ }
+ return aRGB;
+}
+
+std::array<std::vector<int>, 10> myColorTab = {
+ std::vector<int> {255, 0, 0},
+ std::vector<int> {0, 255, 0},
+ std::vector<int> {0, 0, 255},
+ std::vector<int> {255, 255, 0},
+ std::vector<int> {0, 255, 255},
+ std::vector<int> {255, 0, 255},
+ std::vector<int> {255, 94, 0},
+ std::vector<int> {132, 255, 0},
+ std::vector<int> {132, 0, 255},
+ std::vector<int> {0, 0, 0},
+};
+
+void findRandomColor(std::vector<int>& theValues, bool theReset)
+{
+ static int i = 0;
+ static std::vector<std::vector<int>> usedGeneratedColor;
+
+ // True when disabling auto-color
+ if ( theReset ) {
+ i = 0;
+ return;
+ }
+
+ theValues.clear();
+ if (i < myColorTab.size()) {
+ theValues = myColorTab[i++];
+ } else {
+ int timeout = 0;
+ std::vector<int> aHSVColor;
+ std::vector<int> aRGBColor;
+ do {
+ aHSVColor = {rand() % 360 , rand() % (100 - 50 + 1) + 50, rand() % (100 - 50 + 1) + 50};
+ aRGBColor = HSVtoRGB(aHSVColor[0], aHSVColor[1], aHSVColor[2]);
+ timeout++;
+ } while (
+ timeout < 20 &&
+ std::find(usedGeneratedColor.begin(), usedGeneratedColor.end(), aHSVColor)
+ != usedGeneratedColor.end() &&
+ std::find(myColorTab.begin(), myColorTab.end(), aRGBColor) != myColorTab.end());
+ usedGeneratedColor.push_back(aHSVColor);
+ theValues = aRGBColor;
+ }
+}
+