GEEKING

GameChat/Utils/BufferUtils.h

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+//// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
+//// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+//// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+//// PARTICULAR PURPOSE.
+////
+//// Copyright (c) Microsoft Corporation. All rights reserved
+#pragma once
+
+#if TV_API
+
+namespace Microsoft {
+namespace Xbox {
+namespace GameChat {
+    
+private class BufferUtils
+{
+public:
+    static Windows::Storage::Streams::IBuffer^ FastBufferCreate(
+        _In_ uint32 capacity,
+        _In_ Microsoft::WRL::ComPtr<ABI::Windows::Storage::Streams::IBufferFactory> bufferFactory
+        );
+
+    /// <summary>
+    /// Creates a copy of a buffer from an existing buffer
+    /// </summary>
+    /// <param name="source">The buffer to copy</param>
+    /// <returns>A new buffer that contains the contents of the input buffer</returns>
+    static Windows::Storage::Streams::IBuffer^ BufferCopy(
+        _In_ Windows::Storage::Streams::IBuffer^ source,
+        _In_ Microsoft::WRL::ComPtr<ABI::Windows::Storage::Streams::IBufferFactory> bufferFactory
+        );
+
+    /// <summary>
+    /// Gets a byte* from a buffer
+    /// </summary>
+    /// <param name="buffer">The buffer to get the byte* from</param>
+    /// <param name="ppOut">A pointer to a byte* that will be set</param>
+    static void GetBufferBytes( 
+        _In_ Windows::Storage::Streams::IBuffer^ buffer, 
+        _Outptr_ byte** ppOut 
+        );
+
+    /// <summary>
+    /// Creates a new buffer from a byte array
+    /// </summary>
+    /// <param name="sourceByteBuffer">The input byte array</param>
+    /// <param name="sourceByteBufferSize">The length of the sourceByteBuffer in number of bytes</param>
+    /// <returns>A new buffer that contains the contents of byte array</returns>
+    static Windows::Storage::Streams::IBuffer^ CreateBufferFromBytes( 
+        _In_reads_bytes_(sourceByteBufferSize) byte* sourceByteBuffer, 
+        _In_ UINT sourceByteBufferSize,
+        _In_ Microsoft::WRL::ComPtr<ABI::Windows::Storage::Streams::IBufferFactory> bufferFactory
+        );
+
+    static Platform::String^ GetBase64String( 
+        _In_ Windows::Storage::Streams::IBuffer^ buffer 
+        );
+
+    static int GetLength( 
+        _In_ Windows::Storage::Streams::IBuffer^ buffer 
+        );
+};
+
+}}}
+
+#endif