/// <summary>
/// The maximum size of the buffer (in bytes) required to hold a JPEG image with
/// the given parameters. The number of bytes returned by this function is
/// larger than the size of the uncompressed source image. The reason for this
/// is that the JPEG format uses 16-bit coefficients, and it is thus possible
/// for a very high-quality JPEG image with very high-frequency content to
/// expand rather than compress when converted to the JPEG format. Such images
/// represent a very rare corner case, but since there is no way to predict the
/// size of a JPEG image prior to compression, the corner case has to be handled.
/// </summary>
/// <param name="width">Width (in pixels) of the image.</param>
/// <param name="height">Height (in pixels) of the image.</param>
/// <param name="subSamp">
/// The level of chrominance subsampling to be used when
/// generating the JPEG image(see <see cref="TJSubsamplingOption"/> "Chrominance subsampling options".)
/// </param>
/// <returns>
/// The maximum size of the buffer (in bytes) required to hold the image,
/// or -1 if the arguments are out of bounds.
/// </returns>
public int GetBufferSize(int width, int height, TJSubsamplingOption subSamp)
{
Verify.NotDisposed(this);
return((int)TurboJpegImport.TjBufSize(width, height, (int)subSamp));
}