/*****************************************************************************

* *

* PrimeSense Sensor 5.x Alpha *

* Copyright (C) 2012 PrimeSense Ltd. *

* *

* This file is part of PrimeSense Sensor *

* *

* Licensed under the Apache License, Version 2.0 (the "License"); *

* you may not use this file except in compliance with the License. *

* You may obtain a copy of the License at *

* *

* http://www.apache.org/licenses/LICENSE-2.0 *

* *

* Unless required by applicable law or agreed to in writing, software *

* distributed under the License is distributed on an "AS IS" BASIS, *

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *

* See the License for the specific language governing permissions and *

* limitations under the License. *

* *

*****************************************************************************/

//---------------------------------------------------------------------------

// Includes

//---------------------------------------------------------------------------

#include "XnBuffer.h"

//---------------------------------------------------------------------------

// Code

//---------------------------------------------------------------------------

XnStatus XnBuffer::Allocate(XnUInt32 nAllocSize)

{

Free();

XN_VALIDATE_ALIGNED_CALLOC(m_pData, XnUChar, nAllocSize, XN_DEFAULT_MEM_ALIGN);

m_nMaxSize = nAllocSize;

m_nSize = 0;

m_bAllocated = TRUE;

return (XN_STATUS_OK);

}

void XnBuffer::SetExternalBuffer(XnUChar* pBuffer, XnUInt32 nSize)

{

Free();

m_pData = pBuffer;

m_nMaxSize = nSize;

m_nSize = 0;

m_bAllocated = FALSE;

}

XnStatus XnBuffer::Write(const XnUChar* pData, XnUInt32 nDataSize)

{

if (GetFreeSpaceInBuffer() < nDataSize)

return XN_STATUS_INTERNAL_BUFFER_TOO_SMALL;

UnsafeWrite(pData, nDataSize);

return (XN_STATUS_OK);

}