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/*****************************************************************************
* *
* PrimeSense PSCommon Library *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of PSCommon. *
* *
* 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_DUMP_WRITERS_H__
#define __XN_DUMP_WRITERS_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnDump.h"
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
typedef struct XnDumpWriterFileHandle
{
void* pInternal;
} XnDumpWriterFileHandle;
typedef struct XnDumpWriter
{
void* pCookie;
XnDumpWriterFileHandle (XN_CALLBACK_TYPE* OpenFile)(void* pCookie, const XnChar* strDumpName, XnBool bSessionDump, const XnChar* strFileName);
void (XN_CALLBACK_TYPE* Write)(void* pCookie, XnDumpWriterFileHandle hFile, const void* pBuffer, XnUInt32 nBufferSize);
void (XN_CALLBACK_TYPE* CloseFile)(void* pCookie, XnDumpWriterFileHandle hFile);
} XnDumpWriter;
//---------------------------------------------------------------------------
// Functions
//---------------------------------------------------------------------------
XN_C_API XnStatus XN_C_DECL xnDumpRegisterWriter(XnDumpWriter* pWriter);
XN_C_API void XN_C_DECL xnDumpUnregisterWriter(XnDumpWriter* pWriter);
XN_C_API XnStatus XN_C_DECL xnDumpSetFilesOutput(XnBool bOn);
//---------------------------------------------------------------------------
// Helpers
//---------------------------------------------------------------------------
#ifdef __cplusplus
class XnDumpWriterBase
{
public:
XnDumpWriterBase() : m_bRegistered(FALSE)
{
m_cObject.pCookie = this;
m_cObject.OpenFile = OpenFileCallback;
m_cObject.Write = WriteCallback;
m_cObject.CloseFile = CloseFileCallback;
}
virtual ~XnDumpWriterBase()
{
Unregister();
}
XnStatus Register()
{
XnStatus nRetVal = XN_STATUS_OK;
if (!m_bRegistered)
{
OnRegister();
nRetVal = xnDumpRegisterWriter(&m_cObject);
if (nRetVal != XN_STATUS_OK)
{
OnUnregister();
return (nRetVal);
}
m_bRegistered = TRUE;
}
return (XN_STATUS_OK);
}
void Unregister()
{
if (m_bRegistered)
{
xnDumpUnregisterWriter(&m_cObject);
m_bRegistered = FALSE;
OnUnregister();
}
}
inline XnBool IsRegistered() { return m_bRegistered; }
virtual XnDumpWriterFileHandle OpenFile(const XnChar* strDumpName, XnBool bSessionDump, const XnChar* strFileName) = 0;
virtual void Write(XnDumpWriterFileHandle hFile, const void* pBuffer, XnUInt32 nBufferSize) = 0;
virtual void CloseFile(XnDumpWriterFileHandle hFile) = 0;
operator const XnDumpWriter*() const
{
return &m_cObject;
}
protected:
virtual void OnRegister() {}
virtual void OnUnregister() {}
private:
static XnDumpWriterFileHandle XN_CALLBACK_TYPE OpenFileCallback(void* pCookie, const XnChar* strDumpName, XnBool bSessionDump, const XnChar* strFileName)
{
XnDumpWriterBase* pThis = (XnDumpWriterBase*)pCookie;
return pThis->OpenFile(strDumpName, bSessionDump, strFileName);
}
static void XN_CALLBACK_TYPE WriteCallback(void* pCookie, XnDumpWriterFileHandle hFile, const void* pBuffer, XnUInt32 nBufferSize)
{
XnDumpWriterBase* pThis = (XnDumpWriterBase*)pCookie;
return pThis->Write(hFile, pBuffer, nBufferSize);
}
static void XN_CALLBACK_TYPE CloseFileCallback(void* pCookie, XnDumpWriterFileHandle hFile)
{
XnDumpWriterBase* pThis = (XnDumpWriterBase*)pCookie;
return pThis->CloseFile(hFile);
}
XnDumpWriter m_cObject;
XnBool m_bRegistered;
};
#endif
#endif // __XN_DUMP_WRITERS_H__
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