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

XSortedVertexList::XSortedVertexList(const XPoint & ptStart, const XPoint & ptEnd, ads_real dBulge)
	: PointList(ptStart, ptEnd, dBulge)
{
	
}

XSortedVertexList::XSortedVertexList(const XCurveSegment &curve)
: PointList(curve.GetStartPoint(), curve.GetEndPoint(), curve.GetBulge()) 
{
	
}

XSortedVertexList::~XSortedVertexList()
{

}

void XSortedVertexList::InsertBeforeLast(const XPoint &ptSrc) 
{
	(*this)[Length() - 1];
	XPointList::Insert(new XPoint(ptSrc));
}

int XSortedVertexList::AsPoly2D(XPoly2D &poly)
{
	PointList &pts = *this;
	if (!pts)
	{
		return RTERROR;
	}
	
	poly.Reset();
	int nListLen = Length();
	if (curveType == CURVE_CIRCLE) 
	{
		if (nListLen <= 2)  // 只处理园，不处理圆弧
		{ 
			XPoint sPt = *pts[0];
			XCurveSegment cv;
			cv = XCircle(center, ads_distance(center, sPt));
			cv.AsPoly2D(poly);
			return RTNORM;
		} 
		
		// pts[0]留作半径计算
		for (int i = 1; i < nListLen; i++)
		{
			XPoint pt2;
			if (i == nListLen - 1)
			{
				pt2 = *pts[1];
			}
			else 
			{
				pt2 = *pts[i + 1];
			}
			
			XArc arcSeg(center, ads_distance(center, *pts[i]), ads_angle(center, *pts[i]),
							ads_angle(center, pt2));
			
			XCurveSegment cv;
			cv = arcSeg;
			poly.Append(new XPoint(cv.GetStartPoint()));
			poly.AppendBugle(cv.GetBulge());
			
			if (i == nListLen - 1)
			{
				poly.Append(new XPoint(cv.GetEndPoint()));
				poly.AppendBugle(0.0);
			}
		}
	}
	else
	{ 
		// 弧或线
		for (int j = 0; j < nListLen - 1; j++) 
		{   
			XPoint  &pt1 = *pts[j];
			XPoint  &pt2 = *pts[j + 1];
			XCurveSegment cv;
			if (curveType == CURVE_LINE)
			{
				XLine lineSeg(pt1, pt2);
				cv = lineSeg;
			}
			else 
			{
				XArc arcSeg(center, ads_distance(center, pt1), ads_angle(center,pt1),
					ads_angle(center, pt2));
				cv = arcSeg;
			}
			
			poly.Append(new XPoint(cv.GetStartPoint()));
			poly.AppendBugle(cv.GetBulge());
			
			if (j == nListLen - 2)
			{
				poly.Append(new XPoint(cv.GetEndPoint()));
				poly.AppendBugle(0.0);
			}
		}
	}
	
	return RTNORM;
}