225 lines
3.7 KiB
C++
225 lines
3.7 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGObject.cpp
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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: 类的定义
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#include "StdAfx.h"
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#include "TGObject.h"
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#include "TGMatrix.h"
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#include "TGObjectList.h"
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TGObject::OutputGObject TGObject::s_pOutputFun = NULL;
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IMPLEMENT_RUN_TIME_CLASS1(TGObject,"TGObject",TWRunTimeClass)
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TGObject::~TGObject()
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{
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}
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bool TGObject::operator>(const TGObject&obj) const
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{
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return GetClassID()>obj.GetClassID();
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}
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bool TGObject::operator<(const TGObject&obj) const
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{
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return GetClassID()<obj.GetClassID();
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}
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//实体有效性,如果非特殊说明，对实体的所有函数调用必须满足实体有效!
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bool TGObject::IsValid() const
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{
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return false;
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}
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//实体克隆
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TGObject * TGObject::Clone() const
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{
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return NULL;
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}
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//坐标变换
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void TGObject::TransformBy(const TGMatrix& pMatrix)
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{
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}
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bool TGObject::Explode(TGObjectList& res) const
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{
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return false;
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}
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//如果ECS与WCS不重合，返回实体坐标系且return true
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bool TGObject::GetEcs(TPGeCoordSys&ecs) const
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{
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return false;
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}
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//采样测试点,不取端点、节点之类的不光滑点!
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TGPoint TGObject::GetSamplePoint() const
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{
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return TGPoint();
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}
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void TGObject::Output(int color) const
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{
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if (TGObject::s_pOutputFun != NULL)
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{
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TGObject::s_pOutputFun(this,color);
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}
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}
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bool TGObject::Intersect(const TGObject&obj,TGObjectList& res) const
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{
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TGObjectList oList;
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Explode(oList);
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TGObjectList buf;
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for (oList.MoveToFirst();!oList.IsOut();oList.MoveToNext())
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{
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oList.GetCurPData().Intersect(obj,buf);
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}
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if (buf.IsEmpty())
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{
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return false;
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}
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else
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{
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res.Conbine(buf);
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return true;
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}
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}
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bool TGObject::IsInclude(const TGObject&obj) const
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{
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TGObjectList oList;
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if (obj.Explode(oList))
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{
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for (oList.MoveToFirst();!oList.IsOut();oList.MoveToNext())
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{
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if (!IsInclude(oList.GetCurPData()))
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{
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return false;
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}
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}
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return true;
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}
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return false;
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}
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GRelation TGObject::HitTest(const TGPoint&pt) const
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{
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TGObjectList oList;
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Explode(oList);
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for (oList.MoveToFirst();!oList.IsOut();oList.MoveToNext())
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{
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GRelation r = oList.GetCurPData().HitTest(pt);
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if (r.Is(GR_IN))
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{
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return GR_IN;
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}
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}
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return GR_OUT;//NULL
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}
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bool TGObject::GetExtend2D(TPGeExtend2D& pExt) const
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{
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ASSERT(pExt != NULL);
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TGObjectList oList;
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if (Explode(oList))
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{
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return oList.GetExtend2D(pExt);
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}
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return false;
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}
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bool TGObject::GetExtend3D(TPGeExtend3D& pExt) const
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{
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ASSERT(pExt != NULL);
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TGObjectList oList;
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if (Explode(oList))
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{
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return oList.GetExtend3D(pExt);
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}
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return false;
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}
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void TGObject::ExplodeEx(TGObjectList& pRes) const
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{
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TGObjectList buf;
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if (Explode(buf))
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{
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buf.ExplodeEx();
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pRes.Conbine(buf);
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}
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else
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{
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pRes << Clone();
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}
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}
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void TGObject::TransEcs(TGObject*pObj) const
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{
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TPGeCoordSys ecs;
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if (GetEcs(ecs))
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{
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TGMatrix mat;
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ecs.GetMatrixTo(&mat);
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pObj->TransformBy(mat);
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}
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}
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void TGObject::TransWcs(TGObject*pObj) const
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{
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TPGeCoordSys ecs;
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if (GetEcs(ecs))
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{
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TGMatrix mat;
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ecs.GetMatrixFrom(&mat);
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pObj->TransformBy(mat);
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}
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}
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bool TGObject::IsExtendInter(const TPGeExtend2D& pExt) const
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{
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ASSERT(pExt != NULL);
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TPGeExtend2D ext1;
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if (!GetExtend2D(ext1))
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{
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return true;//无限大，因此有交
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}
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else
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{
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return pExt.IsIntersect(ext1);
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}
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}
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bool TGObject::IsExtendInter(const TPGeExtend3D& pExt) const
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{
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ASSERT(pExt != NULL);
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TPGeExtend3D ext1;
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if (!GetExtend3D(ext1))
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{
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return true; //无限大，因此有交
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}
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else
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{
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return pExt.IsIntersect(ext1);
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}
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} |