#include #include "util.h" QString valueOfKeyInMapOrEmpty(const std::map &map, const QString &key) { auto it = map.find(key); if (it == map.end()) return QString(); return it->second; } bool isTrueValueString(const QString &str) { return "true" == str || "True" == str || "1" == str; } bool isFloatEqual(float a, float b) { return fabs(a - b) <= 0.000001; } void qNormalizeAngle(int &angle) { while (angle < 0) angle += 360 * 16; while (angle > 360 * 16) angle -= 360 * 16; }