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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* 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. *
* *
*****************************************************************************/
#ifndef __XN_UNCOMPRESSED_CODEC_H__
#define __XN_UNCOMPRESSED_CODEC_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnCodecBase.h"
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
class XnUncompressedCodec : public XnCodecBase
{
public:
XnUncompressedCodec() {}
virtual ~XnUncompressedCodec() {}
virtual XnCompressionFormats GetCompressionFormat() const { return XN_COMPRESSION_NONE; }
virtual XnFloat GetWorseCompressionRatio() const { return 1.0; }
virtual XnUInt32 GetOverheadSize() const { return 0; }
protected:
virtual XnStatus CompressImpl(const XnUChar* pData, XnUInt32 nDataSize, XnUChar* pCompressedData, XnUInt32* pnCompressedDataSize)
{
if (nDataSize > *pnCompressedDataSize)
{
return (XN_STATUS_OUTPUT_BUFFER_OVERFLOW);
}
xnOSMemCopy(pCompressedData, pData, nDataSize);
*pnCompressedDataSize = nDataSize;
return (XN_STATUS_OK);
}
virtual XnStatus DecompressImpl(const XnUChar* pCompressedData, XnUInt32 nCompressedDataSize, XnUChar* pData, XnUInt32* pnDataSize)
{
if (nCompressedDataSize > *pnDataSize)
{
return (XN_STATUS_OUTPUT_BUFFER_OVERFLOW);
}
xnOSMemCopy(pData, pCompressedData, nCompressedDataSize);
*pnDataSize = nCompressedDataSize;
return (XN_STATUS_OK);
}
};
#endif //__XN_UNCOMPRESSED_CODEC_H__
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