boss-data/src/Intersect.cpp

// ************************************************************************** //
// Copyright(c)2010 Naiky Company. All rights reserved.
//
// Abstract:
//   Cad对象求交函数的实现
// ********************************************* ---- 吴阳明 2010-09-08 ***** //
#include "stdafx.h"
#include "Intersect.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

using namespace ncmath;

// 总接口定义 --- 吴阳明 2010 09 10
int nce::GetIntersection(IN const CCadObject* pCadObject1_,
						 IN const CCadObject* pCadObject2_,
						 OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadObject1_);
	ASSERT(pCadObject2_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 用两个变量转存入口形参，并保证_pCadObject1对象的Type值不大于_pCadObject2
	// 对象的Type值。                                    ---- 杨开锦 2010-09-14
	const CCadObject* _pCadObject1 = pCadObject1_;
	const CCadObject* _pCadObject2 = pCadObject2_;
	if ((UINT)_pCadObject1->GetType() > (UINT)_pCadObject2->GetType())
	{
		_pCadObject1 = pCadObject2_;
		_pCadObject2 = pCadObject1_;
	}

	//   用32位整数表示参数_pCadObject1与_pCadObject2的类型(结合方式)，设前者的
	// 类型为Type1，后者的类型为Type2，则结合类型为 (Type1 << 16 | Type2)。本种
	// 表示方式依赖于所有对象的Type值不超过0xFFFF。      ---- 杨开锦 2010-09-14
	UINT _nType1 = _pCadObject1->GetType();
	UINT _nType2 = _pCadObject2->GetType();
	ASSERT(_nType1 < 0xFFFF && _nType2 < 0xFFFF);

	// 按结合类型分类求解，该switch-case实际上是一个二维表，以_nType1和_nType2为
	// 该表的索引值，查询对应的处理路径(即函数入口)。
	//   由于A与B求交的结果理应等同于B与A求交的结果，因此，为减小本表查询项的数
	// 量和所提供函数的数量，此处只查询表的左上角块(_nType1<=_nType2)，右下角块
	// 被镜像到左上角相应位置(这在前面的代码中已完成)。  ---- 杨开锦 2010-09-14
	int _nResult = 0;
	ASSERT(_nType1 <= _nType2);
	switch(_nType1 << 16 | _nType2)
	{
		// 线段和线段 --- 吴阳明 2010 09 19
	case (cadline << 16 | cadline):
		{
			C_ASSERT(cadline <= cadline);

			const CCadLine* _pCadLine1 = dynamic_cast<const CCadLine*>(_pCadObject1);
			const CCadLine* _pCadLine2 = dynamic_cast<const CCadLine*>(_pCadObject2);
			_nResult = Intersect_CadLineWithCadLine(_pCadLine1, _pCadLine2, pvectorIntersect_);
		}
		break;

		// 线段和直线 --- 吴阳明 2010 09 19
	case (cadline << 16 | cadbeeline):
		{
			C_ASSERT(cadline <= cadbeeline);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*>(_pCadObject1);
			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*>(_pCadObject2);
			_nResult = Intersect_CadLineWithCadBeeline(_pCadLine, _pCadBeeline, pvectorIntersect_);
		}
		break;

		// 线段和圆 --- 吴阳明 2010 09 19
	case (cadline << 16 | cadcircle):
		{
			C_ASSERT(cadline <= cadcircle);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*>(_pCadObject1);
			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*>(_pCadObject2);
			_nResult = Intersect_CadLineWithCadCircle(_pCadLine, _pCadCircle, pvectorIntersect_);
		}
		break;

		// 线段和圆弧 --- 吴阳明 2010 09 19
	case (cadline << 16 | cadarc):
		{
			C_ASSERT(cadline <= cadarc);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*>(_pCadObject1);
			const CCadArc * _pCadArc  = dynamic_cast<const CCadArc *>(_pCadObject2);
			_nResult = Intersect_CadLineWithCadArc(_pCadLine, _pCadArc, pvectorIntersect_);
		}
		break;

		// 线段和椭圆 --- 吴阳明 2010 09 19
	case (cadline << 16 | cadellipse):
		{
			C_ASSERT(cadline <= cadellipse);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*>(_pCadObject1);
			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject2);
			_nResult = Intersect_CadLineWithCadEllipse(_pCadLine, _pCadEllipse, pvectorIntersect_);
		}
		break;

		// 线段和椭圆弧 --- 吴阳明 2010 09 19
	case (cadline << 16 | cadellipsearc):
		{
			C_ASSERT(cadline <= cadellipsearc);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*>(_pCadObject1);
			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject2);
			_nResult = Intersect_CadLineWithCadEllipseArc(_pCadLine, _pCadEllipseArc, pvectorIntersect_);
		}
		break;

		// 线段和多段线 --- 吴阳明 2010 09 19
	case (cadline << 16 | cadmultisegments):
	case (cadline << 16 | cadrectangle):
	case (cadline << 16 | cadstar):
	case (cadline << 16 | cadpolygon):
	case (cadline << 16 | cadpolyline):
		{
			C_ASSERT(cadline <= cadmultisegments &&
					 cadline <= cadrectangle &&
					 cadline <= cadstar &&
					 cadline <= cadpolygon &&
					 cadline <= cadpolyline);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*>(_pCadObject1);
			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject2);
			_nResult = Intersect_CadLineWithCadMultiSegments(_pCadLine, _pCadMultiSegments, pvectorIntersect_);
		}
		break;

		// 线段和群组 --- 吴阳明 2010 10 21
	case (cadline << 16 | cadgroup):
		{
			C_ASSERT(cadline <= cadgroup);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*> (_pCadObject1);
			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadGroup(_pCadLine, _pCadGroup, pvectorIntersect_);
		}
		break;

		// 线段和文字 --- 吴阳明 2010 10 21
	case (cadline << 16 | cadtext):
		{
			C_ASSERT(cadline <= cadtext);

			const CCadLine* _pCadLine = dynamic_cast<const CCadLine*> (_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadText(_pCadLine, _pCadText, pvectorIntersect_);
		}
		break;

		// 直线和直线 --- 吴阳明 2010 09 19
	case (cadbeeline << 16 | cadbeeline):
		{
			C_ASSERT(cadbeeline <= cadbeeline);

			const CCadBeeline* _pCadBeeline1 = dynamic_cast<const CCadBeeline*> (_pCadObject1);
			const CCadBeeline* _pCadBeeline2 = dynamic_cast<const CCadBeeline*> (_pCadObject2);
			_nResult = Intersect_CadBeelineWithCadBeeline(_pCadBeeline1, _pCadBeeline2, pvectorIntersect_);
		}
		break;

		// 直线和圆 --- 吴阳明 2010 09 19
	case (cadbeeline << 16 | cadcircle):
		{
			C_ASSERT(cadbeeline <= cadcircle);

			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*> (_pCadObject1);
			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*> (_pCadObject2);
			_nResult = Intersect_CadBeelineWithCadCircle(_pCadBeeline, _pCadCircle, pvectorIntersect_);
		}
		break;

		// 直线和圆弧 --- 吴阳明 2010 09 19
	case (cadbeeline << 16 | cadarc):
		{
			C_ASSERT(cadbeeline <= cadarc);

			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*> (_pCadObject1);
			const CCadArc* _pCadArc = dynamic_cast<const CCadArc*> (_pCadObject2);
			_nResult = Intersect_CadBeelineWithCadArc(_pCadBeeline, _pCadArc, pvectorIntersect_);
		}
		break;

		// 直线和椭圆 --- 吴阳明 2010 09 19
	case (cadbeeline << 16 | cadellipse):
		{
			C_ASSERT(cadbeeline <= cadellipse);

			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*> (_pCadObject1);
			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject2);
			_nResult = Intersect_CadBeelineWithCadEllipse(_pCadBeeline, _pCadEllipse, pvectorIntersect_);
		}
		break;

		// 直线和椭圆弧 --- 吴阳明 2010 09 19
	case (cadbeeline << 16 | cadellipsearc):
		{
			C_ASSERT(cadbeeline <= cadellipsearc);

			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*> (_pCadObject1);
			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject2);
			_nResult = Intersect_CadBeelineWithCadEllipseArc(_pCadBeeline, _pCadEllipseArc, pvectorIntersect_);
		}
		break;

		// 直线和多段线 --- 吴阳明 2010 09 19
	case (cadbeeline << 16 | cadmultisegments):
	case (cadbeeline << 16 | cadrectangle):
	case (cadbeeline << 16 | cadstar):
	case (cadbeeline << 16 | cadpolygon):
	case (cadbeeline << 16 | cadpolyline):
		{
			C_ASSERT(cadbeeline <= cadmultisegments &&
					 cadbeeline <= cadrectangle &&
					 cadbeeline <= cadstar &&
					 cadbeeline <= cadpolygon &&
					 cadbeeline <= cadpolyline);

			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*>(_pCadObject1);
			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject2);
			_nResult = Intersect_CadBeelineWithCadMultiSegments(_pCadBeeline, _pCadMultiSegments, pvectorIntersect_);
		}
		break;

		// 直线和群组 --- 吴阳明 2010 10 21
	case (cadbeeline << 16 | cadgroup):
		{
			C_ASSERT(cadbeeline <= cadgroup);

			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*>(_pCadObject1);
			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadGroup(_pCadBeeline, _pCadGroup, pvectorIntersect_);
		}
		break;

		// 直线和文字 --- 吴阳明 2010 10 21
	case (cadbeeline << 16 | cadtext):
		{
			C_ASSERT(cadbeeline <= cadtext);

			const CCadBeeline* _pCadBeeline = dynamic_cast<const CCadBeeline*>(_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadText(_pCadBeeline, _pCadText, pvectorIntersect_);
		}
		break;

		// 圆和圆 --- 吴阳明 2010 09 19
	case (cadcircle << 16 | cadcircle):
		{
			C_ASSERT(cadcircle <= cadcircle);

			const CCadCircle* _pCadCircle1 = dynamic_cast<const CCadCircle*> (_pCadObject1);
			const CCadCircle* _pCadCircle2 = dynamic_cast<const CCadCircle*> (_pCadObject2);
			_nResult = Intersect_CadCircleWithCadCircle(_pCadCircle1, _pCadCircle2, pvectorIntersect_);
		}
		break;

		// 圆和圆弧 --- 吴阳明 2010 09 19
	case (cadcircle << 16 | cadarc):
		{
			C_ASSERT(cadcircle <= cadarc);

			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*> (_pCadObject1);
			const CCadArc* _pCadArc = dynamic_cast<const CCadArc*> (_pCadObject2);
			_nResult = Intersect_CadArcWithCadCircle(_pCadArc, _pCadCircle, pvectorIntersect_);
		}
		break;

		// 圆和椭圆 --- 吴阳明 2010 09 19
	case (cadcircle << 16 | cadellipse):
		{
			C_ASSERT(cadcircle <= cadellipse);

			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*> (_pCadObject1);
			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject2);
			_nResult = Intersect_CadCircleWithCadEllipse(_pCadCircle, _pCadEllipse, pvectorIntersect_);
		}
		break;

		// 圆和椭圆弧 --- 吴阳明 2010 09 19
	case (cadcircle << 16 | cadellipsearc):
		{
			C_ASSERT(cadcircle <= cadellipsearc);

			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*> (_pCadObject1);
			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject2);
			_nResult = Intersect_CadCircleWithCadEllipseArc(_pCadCircle, _pCadEllipseArc, pvectorIntersect_);
		}
		break;

		// 圆和多段线 --- 吴阳明 2010 09 19
	case (cadcircle << 16 | cadmultisegments):
	case (cadcircle << 16 | cadrectangle):
	case (cadcircle << 16 | cadstar):
	case (cadcircle << 16 | cadpolygon):
	case (cadcircle << 16 | cadpolyline):
		{
			C_ASSERT(cadcircle <= cadmultisegments &&
					 cadcircle <= cadrectangle &&
					 cadcircle <= cadstar &&
					 cadcircle <= cadpolygon &&
					 cadcircle <= cadpolyline);

			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*> (_pCadObject1);
			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject2);
			_nResult = Intersect_CadCircleWithCadMultiSegments(_pCadCircle, _pCadMultiSegments, pvectorIntersect_);
		}
		break;

		// 圆和群组 --- 吴阳明 2010 10 21
	case (cadcircle << 16 | cadgroup):
		{
			C_ASSERT(cadcircle <= cadgroup);

			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*> (_pCadObject1);
			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadGroup(_pCadCircle, _pCadGroup, pvectorIntersect_);
		}
		break;

		// 圆和文字 --- 吴阳明 2010 10 21
	case (cadcircle<< 16 | cadtext):
		{
			C_ASSERT(cadcircle <= cadtext);

			const CCadCircle* _pCadCircle = dynamic_cast<const CCadCircle*> (_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadText(_pCadCircle, _pCadText, pvectorIntersect_);
		}
		break;

		// 圆弧和圆弧 --- 吴阳明 2010 09 19
	case (cadarc << 16 | cadarc):
		{
			C_ASSERT(cadarc <= cadarc);

			const CCadArc* _pCadArc1 = dynamic_cast<const CCadArc*> (_pCadObject1);
			const CCadArc* _pCadArc2 = dynamic_cast<const CCadArc*> (_pCadObject2);
			_nResult = Intersect_CadArcWithCadArc(_pCadArc1, _pCadArc2, pvectorIntersect_);
		}
		break;

		// 圆弧和椭圆 --- 吴阳明 2010 09 19
	case (cadarc << 16 | cadellipse):
		{
			C_ASSERT(cadarc <= cadellipse);

			const CCadArc* _pCadArc = dynamic_cast<const CCadArc*> (_pCadObject1);
			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject2);
			_nResult = Intersect_CadArcWithCadEllipse(_pCadArc, _pCadEllipse, pvectorIntersect_);
		}
		break;

		// 圆弧和椭圆弧 --- 吴阳明 2010 09 19
	case (cadarc << 16 | cadellipsearc):
		{
			C_ASSERT(cadarc <= cadellipsearc);

			const CCadArc* _pCadArc = dynamic_cast<const CCadArc*> (_pCadObject1);
			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject2);
			_nResult = Intersect_CadArcWithCadEllipseArc(_pCadArc, _pCadEllipseArc, pvectorIntersect_);
		}
		break;

		// 圆弧和多段线 --- 吴阳明 2010 09 19
	case (cadarc << 16 | cadmultisegments):
	case (cadarc << 16 | cadrectangle):
	case (cadarc << 16 | cadstar):
	case (cadarc << 16 | cadpolygon):
	case (cadarc << 16 | cadpolyline):
		{
			C_ASSERT(cadarc <= cadmultisegments &&
					 cadarc <= cadrectangle &&
					 cadarc <= cadstar &&
					 cadarc <= cadpolygon &&
					 cadarc <= cadpolyline);

			const CCadArc* _pCadArc = dynamic_cast<const CCadArc*> (_pCadObject1);
			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject2);
			_nResult = Intersect_CadArcWithCadMultiSegments(_pCadArc, _pCadMultiSegments, pvectorIntersect_);
		}
		break;

		// 圆弧和群组 --- 吴阳明 2010 10 21
	case (cadarc << 16 | cadgroup):
		{
			C_ASSERT(cadarc <= cadgroup);

			const CCadArc* _pCadArc = dynamic_cast<const CCadArc*> (_pCadObject1);
			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadGroup(_pCadArc, _pCadGroup, pvectorIntersect_);
		}
		break;

		// 圆弧和文字 --- 吴阳明 2010 10 21
	case (cadarc<< 16 | cadtext):
		{
			C_ASSERT(cadarc <= cadtext);

			const CCadArc* _pCadArc = dynamic_cast<const CCadArc*> (_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadText(_pCadArc, _pCadText, pvectorIntersect_);
		}
		break;

		// 椭圆和椭圆 --- 吴阳明 2010 09 19
	case (cadellipse << 16 | cadellipse):
		{
			C_ASSERT(cadellipse <= cadellipse);

			const CCadEllipse* _pCadEllipse1 = dynamic_cast<const CCadEllipse*> (_pCadObject1);
			const CCadEllipse* _pCadEllipse2 = dynamic_cast<const CCadEllipse*> (_pCadObject2);
			_nResult = Intersect_CadEllipseWithCadEllipse(_pCadEllipse1, _pCadEllipse2, pvectorIntersect_);
		}
		break;

		// 椭圆和椭圆弧 --- 吴阳明 2010 09 19
	case (cadellipse << 16 | cadellipsearc):
		{
			C_ASSERT(cadellipse <= cadellipsearc);

			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject1);
			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject2);
			_nResult = Intersect_CadEllipseWithCadEllipseArc(_pCadEllipse, _pCadEllipseArc, pvectorIntersect_);
		}
		break;

		// 椭圆和多段线 --- 吴阳明 2010 09 19
	case (cadellipse << 16 | cadmultisegments):
	case (cadellipse << 16 | cadrectangle):
	case (cadellipse << 16 | cadstar):
	case (cadellipse << 16 | cadpolygon):
	case (cadellipse << 16 | cadpolyline):
		{
			C_ASSERT(cadellipse <= cadmultisegments &&
					 cadellipse <= cadrectangle &&
					 cadellipse <= cadstar &&
					 cadellipse <= cadpolygon &&
					 cadellipse <= cadpolyline);

			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject1);
			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject2);
			_nResult = Intersect_CadMultiSegmentsWithCadEllipse(_pCadMultiSegments, _pCadEllipse, pvectorIntersect_);
		}
		break;

		// 椭圆和群组 --- 吴阳明 2010 10 21
	case (cadellipse << 16 | cadgroup):
		{
			C_ASSERT(cadellipse <= cadgroup);

			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject1);
			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadGroup(_pCadEllipse, _pCadGroup, pvectorIntersect_);
		}
		break;

		// 椭圆和文字 --- 吴阳明 2010 10 21
	case (cadellipse<< 16 | cadtext):
		{
			C_ASSERT(cadellipse <= cadtext);

			const CCadEllipse* _pCadEllipse = dynamic_cast<const CCadEllipse*> (_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadText(_pCadEllipse, _pCadText, pvectorIntersect_);
		}
		break;

		// 椭圆弧和椭圆弧 --- 吴阳明 2010 09 19
	case (cadellipsearc << 16 | cadellipsearc):
		{
			C_ASSERT(cadellipsearc <= cadellipsearc);

			const CCadEllipseArc* _pCadEllipseArc1 = dynamic_cast<const CCadEllipseArc*> (_pCadObject1);
			const CCadEllipseArc* _pCadEllipseArc2 = dynamic_cast<const CCadEllipseArc*> (_pCadObject2);
			_nResult = Intersect_CadEllipseArcWithCadEllipseArc(_pCadEllipseArc1, _pCadEllipseArc2, pvectorIntersect_);
		}
		break;

		// 椭圆弧和多段线 --- 吴阳明 2010 09 19
	case (cadellipsearc << 16 | cadmultisegments):
	case (cadellipsearc << 16 | cadrectangle):
	case (cadellipsearc << 16 | cadstar):
	case (cadellipsearc << 16 | cadpolygon):
	case (cadellipsearc << 16 | cadpolyline):
		{
			C_ASSERT(cadellipsearc <= cadmultisegments &&
					 cadellipsearc <= cadrectangle &&
					 cadellipsearc <= cadstar &&
					 cadellipsearc <= cadpolygon &&
					 cadellipsearc <= cadpolyline);

			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject1);
			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject2);
			_nResult = Intersect_CadMultiSegmentsWithCadEllipseArc(_pCadMultiSegments, _pCadEllipseArc, pvectorIntersect_);
		}
		break;

		// 椭圆弧和群组 --- 吴阳明 2010 10 21
	case (cadellipsearc << 16 | cadgroup):
		{
			C_ASSERT(cadellipsearc <= cadgroup);

			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject1);
			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadGroup(_pCadEllipseArc, _pCadGroup, pvectorIntersect_);
		}
		break;

		// 椭圆弧和文字 --- 吴阳明 2010 10 21
	case (cadellipsearc<< 16 | cadtext):
		{
			C_ASSERT(cadellipsearc <= cadtext);

			const CCadEllipseArc* _pCadEllipseArc = dynamic_cast<const CCadEllipseArc*> (_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadText(_pCadEllipseArc, _pCadText, pvectorIntersect_);
		}
		break;

		// 多段线和多段线 --- 吴阳明 2010 09 19
	case (cadmultisegments << 16 | cadmultisegments):
	case (cadmultisegments << 16 | cadrectangle):
	case (cadmultisegments << 16 | cadpolygon):
	case (cadmultisegments << 16 | cadstar):
	case (cadmultisegments << 16 | cadpolyline):
	case (cadrectangle << 16 | cadrectangle):
	case (cadrectangle << 16 | cadpolygon):
	case (cadrectangle << 16 | cadstar):
	case (cadrectangle << 16 | cadpolyline):
	case (cadpolygon << 16 | cadpolygon):
	case (cadpolygon << 16 | cadstar):
	case (cadpolygon << 16 | cadpolyline):
	case (cadstar << 16 | cadstar):
	case (cadstar << 16 | cadpolyline):
	case (cadpolyline << 16 | cadpolyline):
		{
			C_ASSERT(cadmultisegments <= cadrectangle &&
					 cadrectangle <= cadpolygon &&
					 cadpolygon <= cadstar &&
					 cadstar <= cadpolyline);

			const CCadMultiSegments* _pCadMultiSegments1 = dynamic_cast<const CCadMultiSegments*> (_pCadObject1);
			const CCadMultiSegments* _pCadMultiSegments2 = dynamic_cast<const CCadMultiSegments*> (_pCadObject2);
			_nResult = Intersect_CadMultiSegmentsWithCadMultiSegments(_pCadMultiSegments1, _pCadMultiSegments2, pvectorIntersect_);
		}
		break;

		// 多段线和群组 --- 吴阳明 2010 10 21
	case (cadmultisegments << 16 | cadgroup):
	case (cadrectangle << 16 | cadgroup):
	case (cadpolygon << 16 | cadgroup):
	case (cadstar << 16 | cadgroup):
	case (cadpolyline << 16 | cadgroup):
		{
			C_ASSERT(cadmultisegments <= cadgroup &&
					 cadrectangle <= cadgroup &&
					 cadpolygon <= cadgroup &&
					 cadstar <= cadgroup &&
					 cadpolyline <= cadgroup);

			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject1);
			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadGroup(_pCadMultiSegments, _pCadGroup, pvectorIntersect_);
		}
		break;

		// 多段线和文字 --- 吴阳明 2010 10 21
	case (cadmultisegments << 16 | cadtext):
	case (cadrectangle << 16 | cadtext):
	case (cadpolygon << 16 | cadtext):
	case (cadstar << 16 | cadtext):
	case (cadpolyline << 16 | cadtext):
		{
			C_ASSERT(cadmultisegments <= cadtext &&
				cadrectangle <= cadtext &&
				cadpolygon <= cadtext &&
				cadstar <= cadtext &&
				cadpolyline <= cadtext);

			const CCadMultiSegments* _pCadMultiSegments = dynamic_cast<const CCadMultiSegments*> (_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadObjectWithCadText(_pCadMultiSegments, _pCadText, pvectorIntersect_);
		}
		break;

		// 椭圆弧和群组 --- 吴阳明 2010 10 21
	case (cadgroup << 16 | cadgroup):
		{
			C_ASSERT(cadgroup <= cadgroup);

			const CCadGroup* _pCadGroup1 = dynamic_cast<const CCadGroup*> (_pCadObject1);
			const CCadGroup* _pCadGroup2 = dynamic_cast<const CCadGroup*> (_pCadObject2);
			_nResult = Intersect_CadGroupWithCadGroup(_pCadGroup1, _pCadGroup2, pvectorIntersect_);
		}
		break;

		// 群组和文字 --- 吴阳明 2010 10 21
	case (cadgroup<< 16 | cadtext):
		{
			C_ASSERT(cadgroup <= cadtext);

			const CCadGroup* _pCadGroup = dynamic_cast<const CCadGroup*> (_pCadObject1);
			const CCadText* _pCadText = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadGroupWithCadText(_pCadGroup, _pCadText, pvectorIntersect_);
		}
		break;

		// 文字和文字 --- 吴阳明 2010 10 21
	case (cadtext<< 16 | cadtext):
		{
			C_ASSERT(cadgroup <= cadtext);

			const CCadText* _pCadText1 = dynamic_cast<const CCadText*> (_pCadObject1);
			const CCadText* _pCadText2 = dynamic_cast<const CCadText*> (_pCadObject2);
			_nResult = Intersect_CadTextWithCadText(_pCadText1, _pCadText2, pvectorIntersect_);
		}
		break;

	default:
		break;
	}

	return _nResult;
}

int nce::Intersect_CadArcWithCadArc(IN const CCadArc* pCadArc1_,
									IN const CCadArc* pCadArc2_,
									OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadArc1_);
	ASSERT(pCadArc2_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadArc1_->GetLength()));
	ASSERT(DOUBLE_GREAT_ZERO(pCadArc2_->GetLength()));

	// 圆弧信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptArc1Center = pCadArc1_->GetCenterPoint();
	DPOINT2 _ptArc2Center = pCadArc2_->GetCenterPoint();

	double _nArc1Radius = pCadArc1_->GetRadius();
	double _nArc2Radius = pCadArc2_->GetRadius();

	double _nArc1StartAngle = pCadArc1_->GetStartAngle();
	double _nArc2StartAngle = pCadArc2_->GetStartAngle();

	double _nFactor1 = pCadArc1_->IsNormalDir() ? 1 : -1;
	double _nFactor2 = pCadArc2_->IsNormalDir() ? 1 : -1;

	double _nArc1CentralAngle = pCadArc1_->GetCentralAngle() * _nFactor1;
	double _nArc2CentralAngle = pCadArc2_->GetCentralAngle() * _nFactor2;

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_ArcWithArc(_ptArc1Center, _nArc1Radius, _nArc1StartAngle, _nArc1CentralAngle,
		_ptArc2Center, _nArc2Radius, _nArc2StartAngle, _nArc2CentralAngle, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadArcWithCadCircle(IN const CCadArc* pCadArc_,
									   IN const CCadCircle* pCadCircle_,
									   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadArc_);
	ASSERT(pCadCircle_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadArc_->GetLength()));
	ASSERT(DOUBLE_GREAT_ZERO(pCadCircle_->GetLength()));

	// 圆心 --- 吴阳明 2010 09 09
	DPOINT2 _ptArcCenter = pCadArc_->GetCenterPoint();
	DPOINT2 _ptCircleCenter = pCadCircle_->GetCenterPoint();

	// 半径 --- 吴阳明 2010 09 09
	double _nArcRadius = pCadArc_->GetRadius();
	double _nCircleRadius = pCadCircle_->GetRadius();

	// 圆弧起始角和中心角 --- 吴阳明 2010 09 09
	double _nArcStartAngle = pCadArc_->GetStartAngle();
	double _nArcCentralAngle = pCadArc_->GetCentralAngle();

	// 将中心角赋予方向 --- 吴阳明 2010 09 09
	double _nFactor = pCadArc_->IsNormalDir() ? 1 : -1;
	_nArcCentralAngle *= _nFactor;

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_CircleWithArc(_ptCircleCenter, _nCircleRadius, _ptArcCenter,
		_nArcRadius, _nArcStartAngle, _nArcCentralAngle, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadArcWithCadEllipse(IN const CCadArc* pCadArc_,
										IN const CCadEllipse* pCadEllipse_,
										OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadArc_);
	ASSERT(pCadEllipse_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 圆弧信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptArcCenter = pCadArc_->GetCenterPoint();
	double _nRadius = pCadArc_->GetRadius();
	double _nArcStartAngle = pCadArc_->GetStartAngle();
	double _nArcSweptAngle = pCadArc_->GetCentralAngle();
	if (!pCadArc_->IsNormalDir())
		_nArcSweptAngle *= -1;

	// 椭圆信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptEllipseCenter = pCadEllipse_->GetCenterPoint();
	double _nLongRadius = pCadEllipse_->GetLongRadius();
	double _nShortRadius = pCadEllipse_->GetShortRadius();
	double _nAngle = pCadEllipse_->GetAngle();

	int _nRet = 0;
	if (!pvectorIntersect_)
	{
		_nRet = Intersect_ArcWithEllipse(_ptArcCenter, _nRadius, _nArcStartAngle, _nArcSweptAngle,
				_ptEllipseCenter, _nLongRadius, _nShortRadius, _nAngle);
	}
	else
	{
		_nRet = Intersect_ArcWithEllipse(_ptArcCenter, _nRadius, _nArcStartAngle, _nArcSweptAngle,
				_ptEllipseCenter, _nLongRadius, _nShortRadius, _nAngle, *pvectorIntersect_);
	}

	return _nRet;
}

int nce::Intersect_CadArcWithCadEllipseArc(IN const CCadArc* pCadArc_, 
										   IN const CCadEllipseArc* pCadEllipseArc_,
										   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadArc_);
	ASSERT(pCadEllipseArc_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 圆弧信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptArcCenter = pCadArc_->GetCenterPoint();
	double _nRadius = pCadArc_->GetRadius();
	double _nArcStartAngle = pCadArc_->GetStartAngle();
	double _nArcSweptAngle = pCadArc_->GetCentralAngle();
	if (!pCadArc_->IsNormalDir())
		_nArcSweptAngle *= -1;

	// 椭圆弧信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptEllipseArcCenter = pCadEllipseArc_->GetCenterPoint();
	double _nLongRadius = pCadEllipseArc_->GetLongRadius();
	double _nShortRadius = pCadEllipseArc_->GetShortRadius();
	double _nAngle = pCadEllipseArc_->GetAngle();
	double _nEllipseArcStartAngle = pCadEllipseArc_->GetStartAngle();
	double _nEllipseArcSweptAngle = pCadEllipseArc_->GetCentralAngle();
	if (!pCadEllipseArc_->IsNormalDir())
		_nEllipseArcSweptAngle *= -1;

	int _nRet = 0;
	if (!pvectorIntersect_)
	{
		_nRet = Intersect_ArcWithEllipseArc(
				_ptArcCenter, _nRadius, _nArcStartAngle, _nArcSweptAngle,
				_ptEllipseArcCenter, _nLongRadius, _nShortRadius, _nAngle,
				_nEllipseArcStartAngle, _nEllipseArcSweptAngle);
	}
	else
	{
		_nRet = Intersect_ArcWithEllipseArc(
				_ptArcCenter, _nRadius, _nArcStartAngle, _nArcSweptAngle,
				_ptEllipseArcCenter, _nLongRadius, _nShortRadius, _nAngle,
				_nEllipseArcStartAngle, _nEllipseArcSweptAngle, *pvectorIntersect_);
	}

	return _nRet;
}

int nce::Intersect_CadArcWithCadMultiSegments(IN const CCadArc* pCadArc_,
											  IN const CCadMultiSegments* pCadMultiSegments_,
											  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadArc_);
	ASSERT(pCadMultiSegments_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadArc_->GetLength()));
	ASSERT(DOUBLE_GREAT_ZERO(pCadMultiSegments_->GetLength()));

	// 信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptArc1Center = pCadArc_->GetCenterPoint();
	double _nArc1Radius = pCadArc_->GetRadius();
	double _nArc1StartAngle = pCadArc_->GetStartAngle();

	double _nFactor = pCadArc_->IsNormalDir() ? 1 : -1;
	double _nArc1CentralAngle = _nFactor * pCadArc_->GetCentralAngle();

	int _nResult = 0;
	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	// 将圆弧同多段线个片段求交 --- 吴阳明 2010 09 19
	for (int _i = 0; _i != pCadMultiSegments_->GetSegmentCount(); ++_i)
	{
		SEGMENT _Segment = pCadMultiSegments_->GetSegment(_i);
		std::vector<DPOINT2> _vectorTemp;

		switch(_Segment.nType)
		{
			// 圆弧求交 --- 吴阳明 2010 09 19
		case SEGMENT::ARC:
			{
				DPOINT2 _ptArc2Center(ncmath::c_nINVALID_DOUBLE, ncmath::c_nINVALID_DOUBLE);
				double _nArc2Radius = 0.0;
				double _nArc2StartAngle = 0.0;
				double _nArc2CentralAngle = 0.0;

				SEGMENT::SolveArc(_Segment.ptStart, _Segment.ptEnd, _Segment.nBulge,
					&_ptArc2Center, &_nArc2Radius, &_nArc2StartAngle, &_nArc2CentralAngle);

				_nResult += ncmath::Intersect_ArcWithArc(_ptArc1Center, _nArc1Radius, _nArc1StartAngle, 
														_nArc1CentralAngle, _ptArc2Center, _nArc2Radius,
														_nArc2StartAngle, _nArc2CentralAngle, _vectorTemp,
														_nNeed);
			}
			break;

			// 线段求交 --- 吴阳明 2010 09 19
		case SEGMENT::LINE:
			{
				_nResult += ncmath::Intersect_LineWithArc(_Segment.ptStart, _Segment.ptEnd, _ptArc1Center,
								_nArc1Radius, _nArc1StartAngle, _nArc1CentralAngle, _vectorTemp, _nNeed);
			}
			break;

			// 不支持的格式 --- 吴阳明 2010 09 19
		case SEGMENT::BEZIER:
		default:
			ASSERT(false);
		}

		if (pvectorIntersect_ != NULL && !_vectorTemp.empty())
			copy(_vectorTemp.begin(), _vectorTemp.end(), back_inserter(*pvectorIntersect_));
	}
	return _nResult;
}

int nce::Intersect_CadBeelineWithCadArc(IN const CCadBeeline* pCadBeeline_,
										IN const CCadArc* pCadArc_,
										OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadArc_);
	ASSERT(pCadBeeline_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadArc_->GetLength()));

	//直线和圆弧信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptBeeline = pCadBeeline_->GetPoint();
	double _nAngle = pCadBeeline_->GetAngle();

	DPOINT2 _ptArcCenter = pCadArc_->GetCenterPoint();
	double _nArcRadius = pCadArc_->GetRadius();
	double _nArcStartAngle = pCadArc_->GetStartAngle();

	double _nFactor = pCadArc_->IsNormalDir() ? 1 : -1;
	double _nArcCentralAngle = _nFactor * pCadArc_->GetCentralAngle();

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_BeelineWithArc(_ptBeeline, _nAngle, _ptArcCenter,_nArcRadius,
					 _nArcStartAngle, _nArcCentralAngle, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadBeelineWithCadBeeline(IN const CCadBeeline* pCadBeeline1_,
											IN const CCadBeeline* pCadBeeline2_,
											OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadBeeline1_);
	ASSERT(pCadBeeline2_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());

	// 直线信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptBeeline1 = pCadBeeline1_->GetPoint();
	double _nAngle1 = pCadBeeline1_->GetAngle();

	DPOINT2 _ptBeeline2 = pCadBeeline2_->GetPoint();
	double _nAngle2 = pCadBeeline2_->GetAngle();

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_BeelineWithBeeline(_ptBeeline1, _nAngle1,
			  _ptBeeline2, _nAngle2, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadBeelineWithCadCircle(IN const CCadBeeline* pCadBeeline_,
										   IN const CCadCircle* pCadCircle_,
										   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadBeeline_);
	ASSERT(pCadCircle_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadCircle_->GetLength()));

	DPOINT2 _ptBeeline = pCadBeeline_->GetPoint();
	double _nAngle = pCadBeeline_->GetAngle();

	DPOINT2 _ptCircleCenter = pCadCircle_->GetCenterPoint();
	double _nCircleRadius = pCadCircle_->GetRadius();

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_BeelineWithCircle(_ptBeeline, _nAngle,_ptCircleCenter,
								  _nCircleRadius, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadBeelineWithCadEllipse(IN const CCadBeeline* pCadBeeline_,
											IN const CCadEllipse* pCadEllipse_,
											OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadBeeline_);
	ASSERT(pCadEllipse_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;

	// 直线和椭圆信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptBeeline = pCadBeeline_->GetPoint();
	double _nAngle = pCadBeeline_->GetAngle();

	DPOINT2 _ptCenter = pCadEllipse_->GetCenterPoint();
	double _nLRadius = pCadEllipse_->GetLongRadius();
	double _nSRadius = pCadEllipse_->GetShortRadius();
	double _nUAngle = pCadEllipse_->GetAngle();

	return ncmath::Intersect_BeelineWithEllipse(_ptBeeline, _nAngle, _ptCenter, _nLRadius,
									_nSRadius, _nUAngle, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadBeelineWithCadEllipseArc(IN const CCadBeeline* pCadBeeline_,
											   IN const CCadEllipseArc* pCadEllipseArc_,
											   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadBeeline_);
	ASSERT(pCadEllipseArc_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;

	// 直线信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptBeeline = pCadBeeline_->GetPoint();
	double _nAngle = pCadBeeline_->GetAngle();

	// 椭圆弧信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptCenter = pCadEllipseArc_->GetCenterPoint();
	double _nLRadius = pCadEllipseArc_->GetLongRadius();
	double _nSRadius = pCadEllipseArc_->GetShortRadius();
	double _nUAngle = pCadEllipseArc_->GetAngle();
	double _nStartAngle = pCadEllipseArc_->GetStartAngle();
	double _nFactor = pCadEllipseArc_->IsNormalDir() ? 1 : -1;
	double _nCentralAngle = pCadEllipseArc_->GetCentralAngle() * _nFactor;

	return ncmath::Intersect_BeelineWithEllipseArc(_ptBeeline, _nAngle, _ptCenter, _nLRadius, _nSRadius,
								_nUAngle,_nStartAngle, _nCentralAngle, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadBeelineWithCadMultiSegments(IN const CCadBeeline* pCadBeeline_,
												  IN const CCadMultiSegments* pCadMultiSegments_,
												  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadBeeline_);
	ASSERT(pCadMultiSegments_);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadMultiSegments_->GetLength()));

	DPOINT2 _ptBeeline = pCadBeeline_->GetPoint();
	double _nAngle = pCadBeeline_->GetAngle();

	int _nResult = 0;
	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	for (int _i = 0; _i < pCadMultiSegments_->GetSegmentCount(); ++_i)
	{
		SEGMENT _Segment = pCadMultiSegments_->GetSegment(_i);
		std::vector<DPOINT2> _vectorTemp;

		switch(_Segment.nType)
		{
		case SEGMENT::ARC:
			{
				DPOINT2 _ptArcCenter(ncmath::c_nINVALID_DOUBLE, ncmath::c_nINVALID_DOUBLE);
				double _nArcRadius = 0.0;
				double _nArcStartAngle = 0.0;
				double _nArcCentralAngle = 0.0;

				SEGMENT::SolveArc(_Segment.ptStart, _Segment.ptEnd, _Segment.nBulge,
					&_ptArcCenter, &_nArcRadius, &_nArcStartAngle, &_nArcCentralAngle);

				_nResult += ncmath::Intersect_BeelineWithArc(_ptBeeline, _nAngle, _ptArcCenter, 
						_nArcRadius, _nArcStartAngle, _nArcCentralAngle, _vectorTemp, _nNeed);
			}
			break;

		case SEGMENT::LINE:
			{
				_nResult += ncmath::Intersect_BeelineWithLine(_ptBeeline, _nAngle, _Segment.ptStart,
														  _Segment.ptEnd, _vectorTemp, _nNeed);
			}
			break;
		default:
			ASSERT(false);
		}

		// 有交点且需要存储则存储到容器中 --- 吴阳明 2010 09 19
		if (pvectorIntersect_ != NULL && !_vectorTemp.empty())
			copy(_vectorTemp.begin(), _vectorTemp.end(), back_inserter(*pvectorIntersect_));
	}

	return _nResult;
}

int nce::Intersect_CadCircleWithCadCircle(IN const CCadCircle* pCadCircle1_,
										  IN const CCadCircle* pCadCircle2_,
										  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadCircle1_ != NULL);
	ASSERT(pCadCircle1_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_CircleWithCircle(pCadCircle1_->GetCenterPoint(), pCadCircle1_->GetRadius(),
		pCadCircle2_->GetCenterPoint(), pCadCircle2_->GetRadius(), *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadCircleWithCadEllipse(IN const CCadCircle* pCadCircle_,
										   IN const CCadEllipse* pCadEllipse_,
										   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadCircle_);
	ASSERT(pCadEllipse_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	DPOINT2 _ptCircleCenter = pCadCircle_->GetCenterPoint();
	double _nRadius = pCadCircle_->GetRadius();
	DPOINT2 _ptEllipseCenter = pCadEllipse_->GetCenterPoint();
	double _nLongRadius = pCadEllipse_->GetLongRadius();
	double _nShortRadius = pCadEllipse_->GetShortRadius();
	double _nAngle = pCadEllipse_->GetAngle();

	int _nRet = 0;
	if (!pvectorIntersect_)
	{
		_nRet = Intersect_CircleWithEllipse(_ptCircleCenter, _nRadius, _ptEllipseCenter,
				_nLongRadius, _nShortRadius, _nAngle);
	}
	else
	{
		_nRet = Intersect_CircleWithEllipse(_ptCircleCenter, _nRadius, _ptEllipseCenter,
				_nLongRadius, _nShortRadius, _nAngle, *pvectorIntersect_);
	}

	return _nRet;
}

int nce::Intersect_CadCircleWithCadEllipseArc(IN const CCadCircle* pCadCircle_,
											  IN const CCadEllipseArc* pCadEllipseArc_,
											  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadCircle_);
	ASSERT(pCadEllipseArc_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	DPOINT2 _ptCircleCenter = pCadCircle_->GetCenterPoint();
	double _nRadius = pCadCircle_->GetRadius();
	DPOINT2 _ptEllipseArcCenter = pCadEllipseArc_->GetCenterPoint();
	double _nLongRadius = pCadEllipseArc_->GetLongRadius();
	double _nShortRadius = pCadEllipseArc_->GetShortRadius();
	double _nAngle = pCadEllipseArc_->GetAngle();
	double _nStartAngle = pCadEllipseArc_->GetStartAngle();
	double _nSweptAngle = pCadEllipseArc_->GetCentralAngle();

	if (!pCadEllipseArc_->IsNormalDir())
		_nSweptAngle *= -1;

	int _nRet = 0;
	if (!pvectorIntersect_)
	{
		_nRet = Intersect_CircleWithEllipseArc(_ptCircleCenter, _nRadius, _ptEllipseArcCenter,
			_nLongRadius, _nShortRadius, _nAngle, _nStartAngle, _nSweptAngle);
	}
	else
	{
		_nRet = Intersect_CircleWithEllipseArc(_ptCircleCenter, _nRadius, _ptEllipseArcCenter,
			_nLongRadius, _nShortRadius, _nAngle,_nStartAngle, _nSweptAngle, *pvectorIntersect_);
	}

	return _nRet;
}

int nce::Intersect_CadCircleWithCadMultiSegments(IN const CCadCircle* pCadCircle_,
												 IN const CCadMultiSegments* pCadMultiSegments_,
												 OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadCircle_ != NULL);
	ASSERT(pCadMultiSegments_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	int _nResult = 0;
	int _nSegCount = pCadMultiSegments_->GetSegmentCount();
	for (int _i = 0; _i < _nSegCount; ++_i)
	{
		std::vector<DPOINT2> _vecTmp;

		SEGMENT _segTmp = pCadMultiSegments_->GetSegment(_i);
		switch (_segTmp.nType)
		{
		case SEGMENT::ARC:
			{
			
			DPOINT2 _ptArcCenter(ncmath::c_nINVALID_DOUBLE, ncmath::c_nINVALID_DOUBLE);
			double _nArcRadius = 0.0;
			double _nArcStartAngle = 0.0, _nArcCentralAngle = 0.0;

			SEGMENT::SolveArc(_segTmp.ptStart, _segTmp.ptEnd, _segTmp.nBulge,
				&_ptArcCenter, &_nArcRadius, &_nArcStartAngle, &_nArcCentralAngle);

			_nResult += ncmath::Intersect_CircleWithArc(pCadCircle_->GetCenterPoint(), pCadCircle_->GetRadius(),
										_ptArcCenter, _nArcRadius, _nArcStartAngle, _nArcCentralAngle, _vecTmp);
			}
			break;

		case SEGMENT::LINE:
			_nResult += ncmath::Intersect_LineWithCircle(_segTmp.ptStart, _segTmp.ptEnd,
							pCadCircle_->GetCenterPoint(), pCadCircle_->GetRadius(), _vecTmp);
			break;

		case SEGMENT::BEZIER:
		default:
			// 这里可以选择抛出异常 --- wanghong 2010 09 12
			ASSERT(false);
		}

		if (pvectorIntersect_ != NULL && !_vecTmp.empty())
			std::copy(_vecTmp.begin(), _vecTmp.end(), std::back_inserter(*pvectorIntersect_));
	}

	return _nResult;
}

int nce::Intersect_CadEllipseWithCadEllipse(IN const CCadEllipse* pCadEllipse1_,
											IN const CCadEllipse* pCadEllipse2_,
											OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadEllipse1_);
	ASSERT(pCadEllipse2_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 提取几何参数。椭圆所需的几何参数有：中心点、长半轴、短半轴、长半轴对X正向
	// 的倾角。                                           ---- 杨开锦 2010-09-14
	DPOINT2 _ptCenter1 = pCadEllipse1_->GetCenterPoint();
	double _nURadius1 = pCadEllipse1_->GetLongRadius();
	double _nVRadius1 = pCadEllipse1_->GetShortRadius();
	double _nUAngle1 = pCadEllipse1_->GetAngle();
	DPOINT2 _ptCenter2 = pCadEllipse2_->GetCenterPoint();
	double _nURadius2 = pCadEllipse2_->GetLongRadius();
	double _nVRadius2 = pCadEllipse2_->GetShortRadius();
	double _nUAngle2 = pCadEllipse2_->GetAngle();

	// 调用数学函数计算交点 ---- 杨开锦 2010-09-14
	int _nRet = 0;
	if (pvectorIntersect_ == NULL)
	{
		_nRet = ncmath::Intersect_EllipseWithEllipse(
			_ptCenter1, _nURadius1, _nVRadius1, _nUAngle1,
			_ptCenter2, _nURadius2, _nVRadius2, _nUAngle2);
	}
	else
	{
		_nRet = ncmath::Intersect_EllipseWithEllipse(
			_ptCenter1, _nURadius1, _nVRadius1, _nUAngle1,
			_ptCenter2, _nURadius2, _nVRadius2, _nUAngle2,
			*pvectorIntersect_);
	}

	return _nRet;
}

int nce::Intersect_CadEllipseWithCadEllipseArc(IN const CCadEllipse* pCadEllipse_,
											   IN const CCadEllipseArc* pCadEllipseArc_,
											   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadEllipse_);
	ASSERT(pCadEllipseArc_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 提取几何参数。椭圆所需的几何参数有：中心点、长半轴、短半轴、长半轴对X正向
	// 的倾角；椭圆弧所需的几何参数有：中心点、长半轴、短半轴、长半轴对X正向的倾
	// 角、起始角、扫过角。                               ---- 杨开锦 2010-09-14
	DPOINT2 _ptCenter1 = pCadEllipse_->GetCenterPoint();
	double _nURadius1 = pCadEllipse_->GetLongRadius();
	double _nVRadius1 = pCadEllipse_->GetShortRadius();
	double _nUAngle1 = pCadEllipse_->GetAngle();
	DPOINT2 _ptCenter2 = pCadEllipseArc_->GetCenterPoint();
	double _nURadius2 = pCadEllipseArc_->GetLongRadius();
	double _nVRadius2 = pCadEllipseArc_->GetShortRadius();
	double _nUAngle2 = pCadEllipseArc_->GetAngle();
	double _nStartAngle2 = pCadEllipseArc_->GetStartAngle();
	double _nSweptAngle2 = pCadEllipseArc_->GetCentralAngle();
	if (!pCadEllipseArc_->IsNormalDir())
	{
		// 数学函数中只接受逆时针椭圆弧 ---- 杨开锦 2010-09-14
		_nStartAngle2 -= _nSweptAngle2;

		while (_nStartAngle2 < 0.0)
		{
			_nStartAngle2 += 2.0 * c_nPIE;
		}

		while (_nStartAngle2 >= 2.0 * c_nPIE)
		{
			_nStartAngle2 -= 2.0 * c_nPIE;
		}
	}

	// 调用数学函数计算交点 ---- 杨开锦 2010-09-14
	int _nRet = 0;
	if (pvectorIntersect_ == NULL)
	{
		_nRet = ncmath::Intersect_EllipseWithEllipseArc(
			_ptCenter1, _nURadius1, _nVRadius1, _nUAngle1,
			_ptCenter2, _nURadius2, _nVRadius2, _nUAngle2, _nStartAngle2, _nSweptAngle2);
	}
	else
	{
		_nRet = ncmath::Intersect_EllipseWithEllipseArc(
			_ptCenter1, _nURadius1, _nVRadius1, _nUAngle1,
			_ptCenter2, _nURadius2, _nVRadius2, _nUAngle2, _nStartAngle2, _nSweptAngle2,
			*pvectorIntersect_);
	}

	return _nRet;
}

int nce::Intersect_CadEllipseArcWithCadEllipseArc(IN const CCadEllipseArc* pCadEllipseArc1_,
												  IN const CCadEllipseArc* pCadEllipseArc2_,
												  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadEllipseArc1_);
	ASSERT(pCadEllipseArc2_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 提取几何参数。椭圆弧所需的几何参数有：中心点、长半轴、短半轴、长半轴对X正
	// 向的倾角、起始角、扫过角。                         ---- 杨开锦 2010-09-14
	DPOINT2 _ptCenter1 = pCadEllipseArc1_->GetCenterPoint();
	double _nURadius1 = pCadEllipseArc1_->GetLongRadius();
	double _nVRadius1 = pCadEllipseArc1_->GetShortRadius();
	double _nUAngle1 = pCadEllipseArc1_->GetAngle();
	double _nStartAngle1 = pCadEllipseArc1_->GetStartAngle();
	double _nSweptAngle1 = pCadEllipseArc1_->GetCentralAngle();
	if (!pCadEllipseArc1_->IsNormalDir())
	{
		// 数学函数中只接受逆时针椭圆弧 ---- 杨开锦 2010-09-14
		_nStartAngle1 -= _nSweptAngle1;

		while (_nStartAngle1 < 0.0)
		{
			_nStartAngle1 += 2.0 * c_nPIE;
		}

		while (_nStartAngle1 >= 2.0 * c_nPIE)
		{
			_nStartAngle1 -= 2.0 * c_nPIE;
		}
	}

	// 同上 ---- 杨开锦 2010-09-14
	DPOINT2 _ptCenter2 = pCadEllipseArc2_->GetCenterPoint();
	double _nURadius2 = pCadEllipseArc2_->GetLongRadius();
	double _nVRadius2 = pCadEllipseArc2_->GetShortRadius();
	double _nUAngle2 = pCadEllipseArc2_->GetAngle();
	double _nStartAngle2 = pCadEllipseArc2_->GetStartAngle();
	double _nSweptAngle2 = pCadEllipseArc2_->GetCentralAngle();
	if (!pCadEllipseArc2_->IsNormalDir())
	{
		_nStartAngle2 -= _nSweptAngle2;

		while (_nStartAngle2 < 0.0)
		{
			_nStartAngle2 += 2.0 * c_nPIE;
		}

		while (_nStartAngle2 >= 2.0 * c_nPIE)
		{
			_nStartAngle2 -= 2.0 * c_nPIE;
		}
	}

	// 调用数学函数计算交点 ---- 杨开锦 2010-09-14
	int _nRet = 0;
	if (pvectorIntersect_ == NULL)
	{
		_nRet = ncmath::Intersect_EllipseArcWithEllipseArc(
			_ptCenter1, _nURadius1, _nVRadius1, _nUAngle1, _nStartAngle1, _nSweptAngle1,
			_ptCenter2, _nURadius2, _nVRadius2, _nUAngle2, _nStartAngle2, _nSweptAngle2);
	}
	else
	{
		_nRet = ncmath::Intersect_EllipseArcWithEllipseArc(
			_ptCenter1, _nURadius1, _nVRadius1, _nUAngle1, _nStartAngle1, _nSweptAngle1,
			_ptCenter2, _nURadius2, _nVRadius2, _nUAngle2, _nStartAngle2, _nSweptAngle2,
			*pvectorIntersect_);
	}

	return _nRet;
}

int nce::Intersect_CadLineWithCadArc(IN const CCadLine* pCadLine_,
									 IN const CCadArc* pCadArc_,
									 OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadLine_);
	ASSERT(pCadArc_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadLine_->GetLength()));
	ASSERT(DOUBLE_GREAT_ZERO(pCadArc_->GetLength()));

	// 线段信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptLineStart = pCadLine_->GetStartPoint();
	DPOINT2 _ptLineEnd = pCadLine_->GetEndPoint();

	// 圆弧信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptArcCenter = pCadArc_->GetCenterPoint();
	double _nArcRadius = pCadArc_->GetRadius();
	double _nArcStartAngle = pCadArc_->GetStartAngle();

	double _nArcCentralAngle = pCadArc_->GetCentralAngle();
	double _nFactor = pCadArc_->IsNormalDir() ? 1 : -1;
	_nArcCentralAngle *= _nFactor;

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_LineWithArc(_ptLineStart, _ptLineEnd, _ptArcCenter,_nArcRadius,
					   _nArcStartAngle, _nArcCentralAngle, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadLineWithCadBeeline(IN const CCadLine* pCadLine_,
										 IN const CCadBeeline* pCadBeeline_,
										 OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadLine_ != NULL);
	ASSERT(pCadBeeline_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_BeelineWithLine(pCadBeeline_->GetPoint(), pCadBeeline_->GetAngle(),
		pCadLine_->GetStartPoint(), pCadLine_->GetEndPoint(), *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadLineWithCadCircle(IN const CCadLine* pCadLine_,
										IN const CCadCircle* pCadCircle_,
										OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadLine_ != NULL);
	ASSERT(pCadCircle_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_LineWithCircle(pCadLine_->GetStartPoint(), pCadLine_->GetEndPoint(),
		pCadCircle_->GetCenterPoint(), pCadCircle_->GetRadius(), *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadLineWithCadEllipse(IN const CCadLine* pCadLine_,
										 IN const CCadEllipse* pCadEllipse_,
										 OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadLine_ && pCadEllipse_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;

	// 线段信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptStart = pCadLine_->GetStartPoint();
	DPOINT2 _ptEnd = pCadLine_->GetEndPoint();

	// 椭圆信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptCenter = pCadEllipse_->GetCenterPoint();
	double _nLRadius = pCadEllipse_->GetLongRadius();
	double _nSRadius = pCadEllipse_->GetShortRadius();
	double _nUAngle = pCadEllipse_->GetAngle();

	return ncmath::Intersect_LineWithEllipse(_ptStart, _ptEnd,
					_ptCenter, _nLRadius, _nSRadius, _nUAngle,
					*pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadLineWithCadEllipseArc(IN const CCadLine* pCadLine_,
											IN const CCadEllipseArc* pCadEllipseArc_,
											OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadLine_ && pCadEllipseArc_);
	ASSERT(!pvectorIntersect_ || pvectorIntersect_->empty());

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;

	// 线段信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptStart = pCadLine_->GetStartPoint();
	DPOINT2 _ptEnd = pCadLine_->GetEndPoint();

	// 椭圆信息求取 --- 吴阳明 2010 09 19
	DPOINT2 _ptCenter = pCadEllipseArc_->GetCenterPoint();
	double _nLRadius = pCadEllipseArc_->GetLongRadius();
	double _nSRadius = pCadEllipseArc_->GetShortRadius();
	double _nUAngle = pCadEllipseArc_->GetAngle();
	double _nStartAngle = pCadEllipseArc_->GetStartAngle();
	double _nFactor = pCadEllipseArc_->IsNormalDir() ? 1 : -1;
	double _nCentralAngle = pCadEllipseArc_->GetCentralAngle() * _nFactor;

	return ncmath::Intersect_LineWithEllipseArc(_ptStart, _ptEnd,
		_ptCenter, _nLRadius, _nSRadius, _nUAngle, _nStartAngle, _nCentralAngle,
		*pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadLineWithCadLine(IN const CCadLine* pCadLine1_,
									  IN const CCadLine* pCadLine2_,
									  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadLine1_);
	ASSERT(pCadLine2_);
	ASSERT(pvectorIntersect_== NULL || pvectorIntersect_->empty());
	ASSERT(DOUBLE_GREAT_ZERO(pCadLine1_->GetLength()));
	ASSERT(DOUBLE_GREAT_ZERO(pCadLine2_->GetLength()));

	// 线段信息提取 --- 吴阳明 2010 09 19
	DPOINT2 _ptLine1Start = pCadLine1_->GetStartPoint();
	DPOINT2 _ptLine2Start = pCadLine2_->GetStartPoint();
	DPOINT2 _ptLine1End = pCadLine1_->GetEndPoint();
	DPOINT2 _ptLine2End = pCadLine2_->GetEndPoint();

	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	return ncmath::Intersect_LineWithLine(_ptLine1Start, _ptLine1End,
		 _ptLine2Start, _ptLine2End, *pvectorIntersect_, _nNeed);
}

int nce::Intersect_CadLineWithCadMultiSegments(IN const CCadLine* pCadLine_,
											   IN const CCadMultiSegments* pCadMultiSegments_,
											   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadLine_ != NULL);
	ASSERT(pCadMultiSegments_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	int _nResult = 0;
	// 需要交点个数 0代表不需要，而-1代表尽可能多 --- 吴阳明 2010 09 19
	int _nNeed = (pvectorIntersect_ == NULL) ? 0 : -1;
	int _nSegCount = pCadMultiSegments_->GetSegmentCount();
	for (int _i = 0; _i < _nSegCount; ++_i)
	{
		std::vector<DPOINT2> _vecTmp;

		SEGMENT _segTmp = pCadMultiSegments_->GetSegment(_i);
		switch (_segTmp.nType)
		{
		case SEGMENT::ARC:
			{
			DPOINT2 _ptArcCenter(ncmath::c_nINVALID_DOUBLE, ncmath::c_nINVALID_DOUBLE);
			double _nArcRadius = 0.0;
			double _nArcStartAngle = 0.0, _nArcCentralAngle = 0.0;

			SEGMENT::SolveArc(_segTmp.ptStart, _segTmp.ptEnd, _segTmp.nBulge,
				&_ptArcCenter, &_nArcRadius, &_nArcStartAngle, &_nArcCentralAngle);

			_nResult += ncmath::Intersect_LineWithArc(pCadLine_->GetStartPoint(), pCadLine_->GetEndPoint(),
					  _ptArcCenter, _nArcRadius, _nArcStartAngle, _nArcCentralAngle, _vecTmp, _nNeed);
			}
			break;

		case SEGMENT::LINE:
			_nResult += ncmath::Intersect_LineWithLine(pCadLine_->GetStartPoint(), pCadLine_->GetEndPoint(),
													  _segTmp.ptStart, _segTmp.ptEnd, _vecTmp, _nNeed);
			break;

		case SEGMENT::BEZIER:
		default:
			// 这里可以选择抛出异常 --- wanghong 2010 09 12
			ASSERT(false);
		}

		if (pvectorIntersect_ != NULL && !_vecTmp.empty())
			std::copy(_vecTmp.begin(), _vecTmp.end(), std::back_inserter(*pvectorIntersect_));
	}

	return _nResult;
}

int nce::Intersect_CadObjectWithCadGroup(IN const CCadObject* pCadObject_,
										 IN const CCadGroup* pCadGroup_,
										 OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadObject_ && pCadGroup_);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());
	ASSERT(pCadObject_->GetType() != cadgroup);

	int _nResult = 0;
	for (int _i = 0; _i != pCadGroup_->GetNumOfChild(); ++_i)
	{
		const CCadObject* _pCadObjectTemp = pCadGroup_->GetAt(_i);
		int _nNum = 0;

		if (pvectorIntersect_ != NULL)
		{
			std::vector<DPOINT2> _vecTmp;
			if (_nNum = GetIntersection(pCadObject_, _pCadObjectTemp, &_vecTmp))
			{
				_nResult += _nNum;
				copy(_vecTmp.begin(), _vecTmp.end(), back_inserter(*pvectorIntersect_));
			}
		}
		else
		{
			if (_nNum = GetIntersection(pCadObject_, _pCadObjectTemp, NULL))
				_nResult += _nNum;
		}
	}

	return _nResult;
}

int nce::Intersect_CadObjectWithCadText(IN const CCadObject* pCadObject_,
										IN const CCadText* pCadText_,
										OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadObject_ && pCadText_);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());
	ASSERT(pCadObject_->GetType() != cadtext);

	const CCadGroup* _pCadGroup = pCadText_->GetTextGroup();
	return GetIntersection(pCadObject_, _pCadGroup, pvectorIntersect_);
}

// 群组与群组求交
int nce::Intersect_CadGroupWithCadGroup(IN const CCadGroup* pCadGroup1_,
										IN const CCadGroup* pCadGroup2_,
										OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadGroup1_ && pCadGroup1_->GetType() == cadgroup);
	ASSERT(pCadGroup2_ && pCadGroup2_->GetType() == cadgroup);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	int _nResult = 0;
	for (int _i = 0; _i != pCadGroup1_->GetNumOfChild(); ++_i)
	{
		const CCadObject* _pCadObjectTemp = pCadGroup1_->GetAt(_i);
		int _nNum = 0;

		if (pvectorIntersect_ != NULL)
		{
			std::vector<DPOINT2> _vecTmp;
			if (_nNum = GetIntersection(_pCadObjectTemp, pCadGroup2_, &_vecTmp))
			{
				_nResult += _nNum;
				copy(_vecTmp.begin(), _vecTmp.end(), back_inserter(*pvectorIntersect_));
			}
		}
		else
		{
			if (_nNum = GetIntersection(_pCadObjectTemp, pCadGroup2_, NULL))
				_nResult += _nNum;
		}
	}

	return _nResult;
}

// 群组与文字求交
int nce::Intersect_CadGroupWithCadText(IN const CCadGroup* pCadGroup_,
									   IN const CCadText* pCadText_,
									   OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadGroup_ && pCadGroup_->GetType() == cadgroup);
	ASSERT(pCadText_ && pCadText_->GetType() == cadtext);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	int _nResult = 0;
	for (int _i = 0; _i != pCadGroup_->GetNumOfChild(); ++_i)
	{
		const CCadObject* _pCadObjectTemp = pCadGroup_->GetAt(_i);
		int _nNum = 0;

		if (pvectorIntersect_ != NULL)
		{
			std::vector<DPOINT2> _vecTmp;
			if (_nNum = GetIntersection(_pCadObjectTemp, pCadText_, &_vecTmp))
			{
				_nResult += _nNum;
				copy(_vecTmp.begin(), _vecTmp.end(), back_inserter(*pvectorIntersect_));
			}
		}
		else
		{
			if (_nNum = GetIntersection(_pCadObjectTemp, pCadText_, NULL))
				_nResult += _nNum;
		}
	}

	return _nResult;
}

// 群组与文字求交
int nce::Intersect_CadTextWithCadText(IN const CCadText* pCadText1_,
									  IN const CCadText* pCadText2_,
									  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadText1_ && pCadText1_->GetType() == cadtext);
	ASSERT(pCadText2_ && pCadText2_->GetType() == cadtext);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	const CCadGroup* _pCadGroup1 = pCadText1_->GetTextGroup();
	const CCadGroup* _pCadGroup2 = pCadText2_->GetTextGroup();

	return Intersect_CadGroupWithCadGroup(_pCadGroup1, _pCadGroup2, pvectorIntersect_);
}

int nce::Intersect_CadMultiSegmentsWithCadEllipse(IN const CCadMultiSegments* pCadMultiSegments_,
												  IN const CCadEllipse* pCadEllipse_,
												  OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadMultiSegments_ != NULL);
	ASSERT(pCadEllipse_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	int _nResult = 0;
	// 多段线中的各段与椭圆进行求交 --- 吴阳明 2010 09 19
	for (int _i = 0; _i != pCadMultiSegments_->GetSegmentCount(); ++_i)
	{
		SEGMENT _SegmentOut = pCadMultiSegments_->GetSegment(_i);
		std::vector<DPOINT2> _vectorTemp;

		switch(_SegmentOut.nType)
		{
		case SEGMENT::LINE:
			{
				CCadLine _CadLine(_SegmentOut.ptStart, _SegmentOut.ptEnd);

				if (pvectorIntersect_ != NULL)
					_nResult += Intersect_CadLineWithCadEllipse(&_CadLine, pCadEllipse_, &_vectorTemp);
				else
					_nResult += Intersect_CadLineWithCadEllipse(&_CadLine, pCadEllipse_, NULL);
			}
			break;

		case SEGMENT::ARC:
			{
				DPOINT2 _ptArcCenter(ncmath::c_nINVALID_DOUBLE, ncmath::c_nINVALID_DOUBLE);
				double _nArcRadius = 0.0;
				double _nArcStartAngle = 0.0, _nArcCentralAngle = 0.0;

				SEGMENT::SolveArc(_SegmentOut.ptStart, _SegmentOut.ptEnd, _SegmentOut.nBulge,
					&_ptArcCenter, &_nArcRadius, &_nArcStartAngle, &_nArcCentralAngle);
				CCadArc _CadArc(_ptArcCenter, _nArcRadius, _nArcStartAngle, fabs(_nArcCentralAngle), _SegmentOut.nBulge > 0);

				if (pvectorIntersect_ != NULL)
					_nResult += Intersect_CadArcWithCadEllipse(&_CadArc, pCadEllipse_, &_vectorTemp);
				else
					_nResult += Intersect_CadArcWithCadEllipse(&_CadArc, pCadEllipse_, NULL);
			}
			break;

		case SEGMENT::BEZIER:
		default:
			ASSERT(false);
		}

		// 需要求取交点，且求取交点不为空则进行存储 --- 吴阳明 2010 09 19
		if (pvectorIntersect_ != NULL && !_vectorTemp.empty())
		{
			copy(_vectorTemp.begin(), _vectorTemp.end(), back_inserter(*pvectorIntersect_));
		}
	}
	return _nResult;
}

int nce::Intersect_CadMultiSegmentsWithCadEllipseArc(IN const CCadMultiSegments* pCadMultiSegments_,
													 IN const CCadEllipseArc* pCadEllipseArc_,
													 OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadMultiSegments_ != NULL);
	ASSERT(pCadEllipseArc_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	int _nResult = 0;
	// 多段线中的各段同椭圆弧进行求交 --- 吴阳明 2010 09 19
	for (int _i = 0; _i != pCadMultiSegments_->GetSegmentCount(); ++_i)
	{
		SEGMENT _SegmentOut = pCadMultiSegments_->GetSegment(_i);
		std::vector<DPOINT2> _vectorTemp;

		switch(_SegmentOut.nType)
		{
		case SEGMENT::LINE:
			{
				CCadLine _CadLine(_SegmentOut.ptStart, _SegmentOut.ptEnd);

				if (pvectorIntersect_ != NULL)
					_nResult += Intersect_CadLineWithCadEllipseArc(&_CadLine, pCadEllipseArc_, &_vectorTemp);
				else
					_nResult += Intersect_CadLineWithCadEllipseArc(&_CadLine, pCadEllipseArc_, NULL);
			}
			break;

		case SEGMENT::ARC:
			{
				DPOINT2 _ptArcCenter(ncmath::c_nINVALID_DOUBLE, ncmath::c_nINVALID_DOUBLE);
				double _nArcRadius = 0.0;
				double _nArcStartAngle = 0.0, _nArcCentralAngle = 0.0;

				SEGMENT::SolveArc(_SegmentOut.ptStart, _SegmentOut.ptEnd, _SegmentOut.nBulge,
					&_ptArcCenter, &_nArcRadius, &_nArcStartAngle, &_nArcCentralAngle);
				CCadArc _CadArc(_ptArcCenter, _nArcRadius, _nArcStartAngle, fabs(_nArcCentralAngle), _SegmentOut.nBulge > 0);

				if (pvectorIntersect_ != NULL)
					_nResult += Intersect_CadArcWithCadEllipseArc(&_CadArc, pCadEllipseArc_, &_vectorTemp);
				else
					_nResult += Intersect_CadArcWithCadEllipseArc(&_CadArc, pCadEllipseArc_, NULL);
			}
			break;

		case SEGMENT::BEZIER:
		default:
			ASSERT(false);
		}

		if (pvectorIntersect_ != NULL && !_vectorTemp.empty())
		{
			copy(_vectorTemp.begin(), _vectorTemp.end(), back_inserter(*pvectorIntersect_));
		}
	}
	return _nResult;
}

int nce::Intersect_CadMultiSegmentsWithCadMultiSegments(IN const CCadMultiSegments* pCadMultiSegments1_,
														IN const CCadMultiSegments* pCadMultiSegments2_,
														OUT std::vector<DPOINT2>* pvectorIntersect_)
{
	ASSERT(pCadMultiSegments1_ != NULL);
	ASSERT(pCadMultiSegments2_ != NULL);
	ASSERT(pvectorIntersect_ == NULL || pvectorIntersect_->empty());

	int _nResult = 0;
	// 将多段线中的各段同多段线进行求交 --- 吴阳明 2010 09 19
	for (int _i = 0; _i != pCadMultiSegments1_->GetSegmentCount(); ++_i)
	{
		SEGMENT _SegmentOut = pCadMultiSegments1_->GetSegment(_i);

		CCadObject* _pCadObjectOut = NULL;
		if (!GetCadObjectFromSegment(_SegmentOut, &_pCadObjectOut))
			continue;

		std::vector<DPOINT2> _vectorTemp;
		int _j = pCadMultiSegments1_->GetID() == pCadMultiSegments2_->GetID() ? _i + 1 : 0;
		for (; _j < pCadMultiSegments2_->GetSegmentCount(); ++_j)
		{
			SEGMENT _SegmentIn = pCadMultiSegments2_->GetSegment(_j);

			CCadObject* _pCadObjectIn = NULL;
			if (!GetCadObjectFromSegment(_SegmentIn, &_pCadObjectIn))
				continue;

			std::vector<DPOINT2> _vectorTemp;
			if (pvectorIntersect_ != NULL)
				_nResult += GetIntersection(_pCadObjectOut, _pCadObjectIn, &_vectorTemp);
			else
				_nResult += GetIntersection(_pCadObjectOut, _pCadObjectIn, NULL);

			if (pvectorIntersect_ != NULL && !_vectorTemp.empty())
			{
				copy(_vectorTemp.begin(), _vectorTemp.end(), back_inserter(*pvectorIntersect_));
			}
			delete _pCadObjectIn;
		}
		delete _pCadObjectOut;
	}
	return _nResult;
}

bool nce::GetCadObjectFromSegment(IN const SEGMENT& Segment_, OUT CCadObject** ppCadObject_)
{
	ASSERT(IsValidDouble(Segment_.ptStart.x));
	ASSERT(IsValidDouble(Segment_.ptStart.y));
	ASSERT(IsValidDouble(Segment_.ptEnd.x));
	ASSERT(IsValidDouble(Segment_.ptEnd.y));
	ASSERT(IsValidDouble(Segment_.nBulge));
	ASSERT(*ppCadObject_ == NULL);

	switch(Segment_.nType)
	{
	case SEGMENT::LINE:
		{
			CCadLine _CadLine(Segment_.ptStart, Segment_.ptEnd);
			*ppCadObject_ = _CadLine.Clone();
		}
		break;

	case SEGMENT::ARC:
		{
			DPOINT2 _ptArcCenter(ncmath::c_nINVALID_DOUBLE, ncmath::c_nINVALID_DOUBLE);
			double _nArcRadius = 0.0;
			double _nArcStartAngle = 0.0, _nArcCentralAngle = 0.0;

			SEGMENT::SolveArc(Segment_.ptStart, Segment_.ptEnd, Segment_.nBulge,
				&_ptArcCenter, &_nArcRadius, &_nArcStartAngle, &_nArcCentralAngle);
			CCadArc _CadArc(_ptArcCenter, _nArcRadius, _nArcStartAngle, fabs(_nArcCentralAngle), Segment_.nBulge > 0);

			*ppCadObject_ = _CadArc.Clone();
		}
		break;

		// 不支持的类型 --- 吴阳明 2010 09 19
	case SEGMENT::BEZIER:
	default:
		return false;
	}

	return true;
}