Function PossiblySetRotToZero

jni/stasm/faceroi.cpp:161–166

}

void PossiblySetRotToZero( // this is to avoid rotating the image unnecessarily
    double& rot)           // io
{
    if (rot >= -ROT_TREAT_AS_ZERO && rot <= ROT_TREAT_AS_ZERO)
        rot = 0;
}

void FaceRoiAndDetectorParameter(        // get ROI around the face, rotate if necessary
    Image&        face_roi,   // out