//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, SH Software Co. Ltd.
// = FileName	:   XPointList 点列表类
// = Version	:   ver2.0
// = Author		:   zjq
// = CreateDate	:   2002-09-09
// = Description:   XPointList 类定义
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#include "StdAfx.h"
#include "XPointList.h"
#include "XPrivateGlobalFunc.h"

using namespace XPrivate;
XPointList::XPointList()
{
	
}

XPointList::XPointList(const XPointList &src)
{
    *this = src;
}

XPointList::~XPointList()
{

}

XPointList &XPointList::operator = (const XPointList &src)
{
    Reset();
    
	for (int i = 0; i < src.Length(); i++)
	{
        Append(new XPoint(src[i]));
    }
    
	return *this;
}

void XPointList::TransUCS(const resbuf *pFrom, const resbuf *pTo)
{
	int nLen = Length();
	for (int i = 0; i < nLen; i++)
	{
		XPoint pt = *(*this)[i];
		ads_trans(pt, pFrom, pTo, 0, *(*this)[i]);
	}
}

void XPointList::TransUCS(ads_matrix mat)
{
	int nLen = Length();
	for (int i = 0; i < nLen; i++)
	{
		XPoint pt = *(*this)[i];
		AT_xformpt(mat, pt, *(*this)[i]);
	}
}

int XPointList::GetExtend(ads_point ptMin, ads_point ptMax)
{
	if (!(*this))
	{
		return RTNONE;
	}

	XPoint ptLow, ptUp;
	XPointList &lstPoints = *this;
	ptLow = ptUp = *lstPoints[0];
	
	for (int i = 1; i < lstPoints.Length(); i++)
	{
		XPoint &ptCur = *lstPoints[i];
		ptLow = Min(ptLow, ptCur);
		ptUp = Max(ptUp, ptCur);
	}
	
	*(XPoint *)ptMin = ptLow;
	*(XPoint *)ptMax = ptUp;
	
	return RTNORM;
}


int XPointList::GetExtend(ads_point ptMin, ads_point ptMax) const
{
	if (!(*this))
	{
		return RTNONE;
	}
	
	XPoint ptLow, ptUp;
	const XPointList &lstPoints = *this;
	
	//ptLow = ptUp = *lstPoints[0];
	ptLow = ptUp = lstPoints[0];
	
	for (int i = 1; i < lstPoints.Length(); i++)
	{
		//const XPoint &ptCur = *lstPoints[i];
		const XPoint &ptCur = lstPoints[i];

		ptLow = Min(ptLow, ptCur);
		ptUp = Max(ptUp, ptCur);
	}
	
	*(XPoint *)ptMin = ptLow;
	*(XPoint *)ptMax = ptUp;
	
	return RTNORM;
}


XPoint* XPointList::FindPoint(const XPoint &ptSrc)
{
	XPointList &lstPoints = *this;
	for (int i = 0; i < lstPoints.Length(); i++)
	{
		XPoint &ptCur = *lstPoints[i];
		if(ptCur == ptSrc)
		{
			return &ptCur;
		}
	}
	
	return NULL;
}

void XPointList::AppendNode(const XPoint &pt, ads_real dBulge)
{
	Append(new XPoint(pt));
}

void XPointList::AsPoly2D(XPointList &poly) const
{
    for (int n = 0;  n < Length(); n++)
	{
        poly.AppendNode((*this)[n]);
    }
}

void XPointList::Center(ads_point ptCen)
{
	ads_real dTotalX = 0.0, dTotalY = 0.0, dTotalZ = 0.0;
	
	int nLen = Length();
	for (int i = 0; i < nLen; i++)
	{
		dTotalX += (*this)[i]->x;
		dTotalY += (*this)[i]->y;
		dTotalZ += (*this)[i]->z;
	}

	ptCen[X] = dTotalX / nLen;
	ptCen[Y] = dTotalY / nLen;
	ptCen[Z] = dTotalZ / nLen;
} 

void XPointList::SetElevation(ads_real dElev)
{
	int nLen = Length();
	for (int i = 0; i < nLen; i++)
	{
		(*this)[i]->z = dElev;
	}
}

int XPointList::NewAppend(const XPoint &ptSrc)
{
    int nPos;
    if (!FindPoint(ptSrc))
	{
		Append(new XPoint(ptSrc));
		nPos = Length() - 1;
    }
	else
	{
        nPos = CurPosition();
    }
   
	return nPos;
}