#pragma once #define MAYBE_UNUSED(x) (void)(x) const double c_dDpiX = 72.0; const double c_dDpiY = 72.0; constexpr double c_dMMToPix = 72.0 / 25.4; constexpr double c_dPixToMM = 25.4 / 72.0; constexpr double c_dMMToPt = 72.0 / 25.4; constexpr double c_dPtToMM = 25.4 / 72.0; const double c_dX_MIN_DEFAULT = 10000; const double c_dY_MIN_DEFAULT = 10000; const double c_dX_MAX_DEFAULT = -10000; const double c_dY_MAX_DEFAULT = -10000;