1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*****************************************************************************
* *
* 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. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// 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);
}
|
