list.cpp

来自「3D reconstruction, medical image process」· C++ 代码 · 共 72 行

// List.cpp: implementation of the RxList class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "List.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

ListItem::ListItem(short x, short y, short z)
{
	this->x = x;
	this->y = y;
	this->z = z;
}

ListItem ListItem::operator =(const ListItem& li)
{
	this->x = li.x;
	this->y = li.y;
	this->z = li.z;

	return *this;
}

RxList::RxList()
{
	m_pList = NULL;
	m_iHead = m_iTail = -1;
	m_iSize = 0;
}

RxList::RxList(int iSize)
{
	m_iSize = iSize;
	m_pList = (ListItem*)::VirtualAlloc(NULL, sizeof(ListItem) * m_iSize, MEM_RESERVE | MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE);
	m_iHead = m_iTail = -1;
}

RxList::~RxList()
{
	if (m_pList) {
		::VirtualFree(m_pList, sizeof(ListItem) * m_iSize, MEM_DECOMMIT);
		::VirtualFree(m_pList, 0, MEM_RELEASE);
	}
}

void RxList::ClearAll()
{
	m_iHead = m_iTail = -1;
}

void RxList::SetSize(int iSize)
{
	if (m_pList) {
		::VirtualFree(m_pList, sizeof(ListItem) * m_iSize, MEM_DECOMMIT);
		::VirtualFree(m_pList, 0, MEM_RELEASE);
	}

	m_iSize = iSize;
	m_pList = (ListItem*)::VirtualAlloc(NULL, sizeof(ListItem) * m_iSize, MEM_RESERVE | MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE);
	m_iHead = m_iTail = -1;
}