/// <summary>
/// Retrieves the JPEG orientation from the specified screen rotation
/// </summary>
/// <param name="rotation"></param>
/// <returns></returns>
private int GetOrientation(int rotation)
{
// Sensor orientation is 90 for most devices, or 270 for some devices (eg. Nexus 5X)
// We have to take that into account and rotate JPEG properly.
// For devices with orientation of 90, we simply return our mapping from ORIENTATIONS.
// For devices with orientation of 270, we need to rotate the JPEG 180 degrees.
return((Orientations.Get(rotation) + mSensorOrientation + 270) % 360);
}
