//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TPGeGridNode.cpp
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   夹点对象类的定义
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TPGeGridNode.h"

TPGeGridNode::TPGeGridNode(int type)
	: m_nPara(-1),m_nType(type)
{

}

TPGeGridNode::TPGeGridNode(const TGPoint& pt,int type)
	: TGPoint(pt),m_nPara(-1),m_nType(type)
{

}

TPGeGridNode::TPGeGridNode(const TPGeGridNode&node)
	: TGPoint(node),m_nPara(node.m_nPara),m_nType(node.m_nType)
{

}

TPGeGridNode::~TPGeGridNode()
{
	
}

void TPGeGridNode::SetVisible(bool bVisible)
{
	m_nType=bVisible;
}

bool TPGeGridNode::IsVisibleNode() const
{
	return  m_nType == 1;
}

bool TPGeGridNode::IsBoundaryNode() const
{
	return m_nType == 2;
}

bool TPGeGridNode::operator >(const TPGeGridNode&node) const
{
	return node < (*this);
}

bool TPGeGridNode::operator <(const TPGeGridNode &node) const
{
	int d = (int)(x - node.x);
	if (DOWN_ZEROD(d))
	{
		return true;
	}
	else if (UP_ZEROD(d))
	{
		return false;
	}
	else
	{
		return DOWN_ZEROD(y-node.y);
	}
}