Method getMipMapLevelFromZoomFactor

Engine/ViewerInstance.cpp:3429–3436

}

int
ViewerInstance::getMipMapLevelFromZoomFactor() const
{
    double zoomFactor = _imp->uiContext->getZoomFactor();
    double closestPowerOf2 = zoomFactor >= 1 ? 1 : std::pow( 2, -std::ceil(std::log(zoomFactor) / M_LN2) );

    return std::log(closestPowerOf2) / M_LN2;
}

double
ViewerInstance::getCurrentTime() const