/// <summary>
/// Gets a readonly stream from the given bitmap.
/// </summary>
/// <param name="bitmap"></param>
/// <returns></returns>
public static IStream GetReadOnlyStream(this Bitmap bitmap)
{
ReadOnlyStream stream = null;
try
{
var memory = new MemoryStream();
bitmap.Save(memory, ImageFormat.Png);
stream = new ReadOnlyStream(memory);
}
catch (Exception exc)
{
Logger.Current.WriteLine(exc);
}
return(stream);
}
//========================================================================================
// IStream implementation
//========================================================================================
/// <summary>
/// Creates a new stream object with its own seek pointer that references the
/// same bytes as the original stream.
/// </summary>
/// <param name="ppstm">
/// Upon return, contains the new stream object.
/// </param>
public void Clone(out IStream ppstm)
{
ppstm = new ReadOnlyStream(stream);
}