/// <summary>
/// Makes a separate header for a sequence slice.
/// </summary>
/// <param name="slice">The part of the sequence to be extracted.</param>
/// <param name="storage">The storage block that will store the new sequence.</param>
/// <param name="copyData">
/// A value indicating whether to copy the elements of the extracted slice.
/// </param>
/// <returns>
/// A new <see cref="Seq"/> instance containing the elements in the
/// specified <paramref name="slice"/>.
/// </returns>
public Seq Slice(SeqSlice slice, MemStorage storage = null, bool copyData = false)
{
storage = storage ?? owner;
var seq = NativeMethods.cvSeqSlice(this, slice, storage, copyData ? 1 : 0);
seq.SetOwnerStorage(storage);
return(seq);
}
/// <summary>
/// Copies part of the sequence elements to a compatible one-dimensional array.
/// </summary>
/// <typeparam name="TElement">The type of the elements in the sequence.</typeparam>
/// <param name="array">The array on which to store sequence elements.</param>
/// <param name="slice">The portion of the sequence to copy to the array.</param>
public void CopyTo <TElement>(TElement[] array, SeqSlice slice) where TElement : struct
{
var arrayHandle = GCHandle.Alloc(array, GCHandleType.Pinned);
try
{
NativeMethods.cvCvtSeqToArray(this, arrayHandle.AddrOfPinnedObject(), slice);
}
finally { arrayHandle.Free(); }
}
/// <summary>
/// Removes a sequence slice.
/// </summary>
/// <param name="slice">The part of the sequence to remove.</param>
public void Remove(SeqSlice slice)
{
NativeMethods.cvSeqRemoveSlice(this, slice);
}