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

XCurveStream::XCurveStream() 
{

}

void XCurveStream::DrawXCurve(const XCurveSegment &cv,double nThick)  
{
    m_lstCurves.Append(new XCurveSegment(cv));
}

// 拷贝到另一个Dc去
void XCurveStream::CopyTo(XDcStream &toDc) const
{
    for(int i = 0; i < m_lstCurves.Length(); i++) 
	{
		toDc << m_lstCurves[i];
	}
}

void XCurveStream::ClipIn(const XPoly2D &poly)  //内裁剪
{
    DList<XCurveSegment> lstIn, lstOut, lstEdge;
    PolyClip(m_lstCurves, poly, lstIn, lstOut, lstEdge);
    m_lstCurves.Reset();

    *this << lstOut;
    *this << lstEdge;
}

void XCurveStream::ClipOut(const XPoly2D &poly) //外裁剪
{
    DList<XCurveSegment> lstIn, lstOut, lstEdge;
    PolyClip(m_lstCurves, poly, lstIn, lstOut, lstEdge);
    m_lstCurves.Reset();
    
	*this << lstOut;
    *this << lstEdge;
}

const TCHAR * XCurveStream::Descriptor()
{
   return _T("XCurveStream");
}

const TCHAR * XCurveStream::Desc()
{
   return Descriptor();
}