/// <summary>
/// Decompresses the JPEG-LS encoded data passed in the source byte array into the destination array.
/// </summary>
/// <param name="source">The byte array that contains the JPEG-LS encoded data to decompress.</param>
/// <param name="count">The number of bytes of the array to decompress.</param>
/// <param name="pixels">The byte array that will hold the pixels when the function returns.</param>
/// <exception cref="ArgumentNullException">source -or- pixels is null.</exception>
/// <exception cref="ArgumentOutOfRangeException">count contains an invalid value.</exception>
/// <exception cref="ArgumentException">Thrown when the destination array is too small to hold the decompressed pixel data.</exception>
/// <exception cref="InvalidDataException">Thrown when the source array contains an invalid encoded JPEG-LS bit stream.</exception>
public static void Decompress(byte[] source, int count, byte[] pixels)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (count < 0 || count > source.Length)
{
throw new ArgumentOutOfRangeException(nameof(count), "count < 0 || count > source.Length");
}
if (pixels == null)
{
throw new ArgumentNullException(nameof(pixels));
}
var error = Environment.Is64BitProcess ?
SafeNativeMethods.JpegLsDecode64(pixels, pixels.Length, source, count, IntPtr.Zero, IntPtr.Zero) :
SafeNativeMethods.JpegLsDecode(pixels, pixels.Length, source, count, IntPtr.Zero, IntPtr.Zero);
HandleResult(error);
}
/// <summary>
/// Decompresses the JPEG-LS encoded data passed in the source byte array into the destination array.
/// </summary>
/// <param name="source">The byte array that contains the JPEG-LS encoded data to decompress.</param>
/// <param name="count">The number of bytes of the array to decompress.</param>
/// <param name="pixels">The byte array that will hold the pixels when the function returns.</param>
/// <exception cref="ArgumentNullException">source -or- pixels is null.</exception>
/// <exception cref="ArgumentOutOfRangeException">count contains an invalid value.</exception>
/// <exception cref="ArgumentException">Thrown when the destination array is too small to hold the decompressed pixel data.</exception>
/// <exception cref="InvalidDataException">Thrown when the source array contains an invalid encodeded JPEG-LS bit stream.</exception>
public static void Decompress(byte[] source, int count, byte[] pixels)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (count < 0 || count > source.Length)
{
throw new ArgumentOutOfRangeException(nameof(count), "count < 0 || count > source.Length");
}
if (pixels == null)
{
throw new ArgumentNullException(nameof(pixels));
}
Contract.EndContractBlock();
var errorMessage = new StringBuilder(256);
JpegLSError error = Is64BitProcess ?
SafeNativeMethods.JpegLsDecode64(pixels, pixels.Length, source, count, IntPtr.Zero, errorMessage) :
SafeNativeMethods.JpegLsDecode(pixels, pixels.Length, source, count, IntPtr.Zero, errorMessage);
HandleResult(error, errorMessage);
}