AcDbObjectId CPolylineUtil::Add(const AcGePoint2dArray &points,double width)

{

int numVertices=points.length();

AcDbPolyline *pPoly=new AcDbPolyline(numVertices);

for (int i=0;i<numVertices;i++)

{

pPoly->addVertexAt(i,points.at(i),0,width,width);

}

return CDwgDatabaseUtil::PostToModelSpace(pPoly);

}

AcDbObjectId CPolylineUtil::Add(const AcGePoint2d &ptStart,const AcGePoint2d &ptEnd,double width)

{

AcGePoint2dArray points;

points.append(ptStart);

points.append(ptEnd);

return Add(points,width);

}

AcDbObjectId CPolylineUtil::Add3dPolyline(const AcGePoint3dArray &points)

{

AcGePoint3dArray verts=points;

AcDb3dPolyline *pPoly3d=new AcDb3dPolyline(AcDb::k3dSimplePoly,verts);

return CDwgDatabaseUtil::PostToModelSpace(pPoly3d);

}

AcDbObjectId  CPolylineUtil::AddPolygon(const AcGePoint2d &ptCenter,int number,double radius,double rotation,double width)

{

double angle=2*CMathUtil::PI()/(double)number;

AcGePoint2dArray points;

for (int i=0;i<number;i++)

{

AcGePoint2d pt;

pt.x=ptCenter.x+radius*cos(i*angle);

pt.y=ptCenter.y+radius*sin(i*angle);

points.append(pt);

}

AcDbObjectId polyId=Add(points,width);

AcDbEntity *pEnt=NULL;

if (acdbOpenObject(pEnt,polyId,AcDb::kForWrite)==Acad::eOk)

{

AcDbPolyline *pPoly=AcDbPolyline::cast(pEnt);

if (pPoly!=NULL)

{

pPoly->setClosed(Adesk::kTrue);

}

pEnt->close();

}

EntityUtil::Rotate(polyId,ptCenter,rotation);

return polyId;

}

AcDbObjectId CPolylineUtil::AddRectangle(const AcGePoint2d &pt1,const AcGePoint2d &pt2,double width)

{

double x1=pt1.x,x2=pt2.x;

double y1=pt1.y,y2=pt2.y;

AcGePoint2d ptLeftBottom(min(x1,x2),min(y1,y2));

AcGePoint2d ptRightBottom(max(x1,x2),min(y1,y2));

AcGePoint2d ptRightTop(max(x1,x2),max(y1,y2));

AcGePoint2d ptLeftTop(min(x1,x2),max(y1,y2));

AcDbPolyline *pPoly=new AcDbPolyline(4);

pPoly->addVertexAt(0,ptLeftBottom,0,width,width);

pPoly->addVertexAt(1,ptRightBottom,0,width,width);

pPoly->addVertexAt(2,ptRightTop,0,width,width);

pPoly->addVertexAt(3,ptLeftTop,0,width,width);

pPoly->setClosed(true);

return CDwgDatabaseUtil::PostToModelSpace(pPoly);

}

AcDbObjectId CPolylineUtil::AddPolyCircle(const AcGePoint2d &ptCenter,double radius,double width)

{

AcGePoint2d pt1,pt2,pt3;

pt1.x=ptCenter.x+radius;

pt1.y=ptCenter.y;

pt2.x=ptCenter.x-radius;

pt2.y=ptCenter.y;

pt3.x=ptCenter.x+radius;

pt3.y=ptCenter.y;

AcDbPolyline *pPoly=new AcDbPolyline(3);

pPoly->addVertexAt(0,pt1,1,width,width);

pPoly->addVertexAt(1,pt2,1,width,width);

pPoly->addVertexAt(2,pt3,1,width,width);

pPoly->setClosed(Adesk::kTrue);

return CDwgDatabaseUtil::PostToModelSpace(pPoly);

}