lvfulong
76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
/**
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@file JCCommandEncoderBuffer.cpp
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@brief
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@author James
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@version 1.0
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@date 2019_8_24
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*/
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#include "JCCommandEncoderBuffer.h"
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namespace laya
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{
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JCCommandEncoderBuffer::JCCommandEncoderBuffer( unsigned int nSize, unsigned int nAdjustSize)
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{
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m_bNeedDelBuffer = true;
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m_pBuffer=NULL;
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m_nBufSize=0;
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m_nDataSize=0;
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m_nAdjustSize= nAdjustSize;
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m_nReadPos=0;
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m_bChanged=true;
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if (nSize > 0)
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{
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expand(nSize);
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}
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}
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JCCommandEncoderBuffer::~JCCommandEncoderBuffer()
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{
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if ( m_bNeedDelBuffer && m_pBuffer )
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{
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delete[] m_pBuffer;
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m_pBuffer = 0;
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}
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}
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void JCCommandEncoderBuffer::setBufferExpandStep(int nAdjustSize)
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{
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m_nAdjustSize = nAdjustSize;
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}
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void JCCommandEncoderBuffer::setAlign(bool bAlign)
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{
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m_bAlign = bAlign;
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}
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void JCCommandEncoderBuffer::setBufferSize(int nBufferSize)
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{
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if (nBufferSize < 0)
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{
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return;
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}
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if (nBufferSize >= (int)m_nBufSize)
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{
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expand(nBufferSize - m_nBufSize);
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}
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}
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void JCCommandEncoderBuffer::expand(int nExpandSize)
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{
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if (nExpandSize<1 ) return;
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unsigned long nSize= nExpandSize+m_nBufSize+m_nAdjustSize; //ÐèÒª°´4¶ÔÆëô
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char* pBuf=new char[nSize];
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if (!pBuf)
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{
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return;
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}
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if (m_pBuffer)
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{
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memcpy(pBuf, m_pBuffer,m_nBufSize);
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delete [] m_pBuffer;
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}
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m_nBufSize=nSize;
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m_pBuffer=pBuf;
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m_bChanged=true;
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}
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};
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//------------------------------------------------------------------------------
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//-----------------------------END FILE--------------------------------
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