CesiumLanguageWriter.Advanced.CesiumFormattingHelper.BuildDataUri C# (CSharp) Method

        private static string BuildDataUri(string mimeType, Stream dataStream)
        {
            StringBuilder builder = new StringBuilder();
            builder.Append("data:");
            builder.Append(mimeType);
            builder.Append(";base64,");

            using (MemoryStream memoryStream = new MemoryStream())
            {
                byte[] buffer = new byte[8192];
                int bytesRead;
                while ((bytesRead = dataStream.Read(buffer, 0, buffer.Length)) > 0)
                    memoryStream.Write(buffer, 0, bytesRead);

                builder.Append(Convert.ToBase64String(memoryStream.GetBuffer(), 0, (int)memoryStream.Length));
            }

            return builder.ToString();
        }