77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TPGeGraph.h
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// = Version : ver2.0
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// = Author : xlc
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// = CreateDate : 2002-09-09
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// = Description: 类的声明 有向图，支持仅一端有限曲线
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _TPGEGRAPH_H_
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#define _TPGEGRAPH_H_
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#ifndef _TGPOINT_H_
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#include "TGPoint.h"
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#endif
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#ifndef _TPGELINE3D_H_
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#include "TPGeLine3D.h"
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#endif
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#ifndef _TGVECTOR2D_H_
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#include "TGVector2D.h"
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#endif
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#ifndef _TGNODE_H_
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#include "TGNode.h"
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#endif
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#ifndef _TPGEEDGE_H_
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#include "TPGeEdge.h"
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#endif
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#ifndef _TPDLIST_H_
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#include "TPDList.h"
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#endif
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#ifndef _TGOBJECTLIST_H_
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#include "TGObjectList.h"
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#endif
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#ifndef _TPGEEDGEPATH_H_
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#include "TPGeEdgePath.h"
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#endif
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class TPGeCurve2D;
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class GEOAPI TPGeGraph
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{
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public:
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virtual ~TPGeGraph();
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//找已有结点，否则新建结点并返回之
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TGNode* FindOrAddNode(const TGPoint&pt);
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//加入一边,不能自交但可封闭,pSeg内部释放
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virtual void AppendEdge(TPGeCurve2D*pSeg);
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//加入一组边,curves将被置空
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void AppendEdge(TGObjectList&curves);
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//现只用于面布尔运算//找所有有效环路,所有路径之间都无相同边,同一路径上的一个点最多属于两条边
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void FindLoop(TPDList<TPGeEdgePath>&res);
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//找所有有效环路曲线和完全无限曲线,结果中所有曲线之间无相同边,都不自交
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void FindCurve(TGObjectList&closed,TGObjectList&infinite);
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protected:
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//节点表
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TPDList<TGNode> nodeTable;
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//边表
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TPDList<TPGeEdge> edgeTable;
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};
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#endif |