#include "StdAfx.h"
#include ".\itemtrimcurve.h"
#include "SigmaDoc.h"
#include "SigmaView.h"
#include ".\itemsolid.h"

CItemTrimCurve::CItemTrimCurve(CSigmaDoc* ppDoc)
: CItemBreakCurve(ppDoc)
{
	m_nActionID=ID_EDIT_TOOL_TRIM_CURVE;
	this->SetType(ITEM_TRIM_CURVE);
	m_bRange=TRUE;
	m_bAutoDelete=FALSE;
}

CItemTrimCurve::~CItemTrimCurve(void)
{
}

void CItemTrimCurve::DoLButtonUp(CDC *pDC)
{
	ProcessLButtonUp();

	CItemBreakCurve::DoLButtonUp(pDC);
}

int CItemTrimCurve::ProcessCurve(CCurveEx* pCurve, COne* pOne, CPoint2D* pPoint)
{
	//ΌτΗΠΗϊΟί
	if(pPoint==NULL) return 0;
	CCurveEx* pTrimCurve=(CCurveEx*)pOne->GetValue();
	CCrossList list;
	pCurve->Cross(*(CCurve*)pTrimCurve, list);
	if(list.GetCount()==0) return 0;
	SortLocation(list,1);

	CCrossPoint cp=CItemSolid::GetNearestCrossPoint(list,*pPoint);
	double l=1e100; pTrimCurve->PointDistance(pPoint->x0,pPoint->y0,l);
	double zero=1e-300;
	if(pTrimCurve->l[pTrimCurve->num-1]>pTrimCurve->l[0])
	{
		if(l>cp.x[1])
			pTrimCurve->GetCurve(pTrimCurve->l[0],cp.x[1]-zero,PointList);
		else
			pTrimCurve->GetCurve(cp.x[1]-zero,pTrimCurve->l[pTrimCurve->num-1]-zero,PointList);
	}
	else
	{
		if(l>cp.x[1])
			pTrimCurve->GetCurve(cp.x[1]-zero,pTrimCurve->l[pTrimCurve->num-1]-zero,PointList);
		else
			pTrimCurve->GetCurve(pTrimCurve->l[0],cp.x[1]-zero,PointList);
	}
	AddCurve(pOne);
	return 1;
}